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{"parentUuid":"28917872-9434-4d12-89e7-7439130e0e1f","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_018SBcs9bRVQZGEQuVU7nPak","type":"tool_result","content":"     1→/*\n     2→Copyright The Kubernetes Authors.\n     3→\n     4→Licensed under the Apache License, Version 2.0 (the \"License\");\n     5→you may not use this file except in compliance with the License.\n     6→You may obtain a copy of the License at\n     7→\n     8→\thttp://www.apache.org/licenses/LICENSE-2.0\n     9→\n    10→Unless required by applicable law or agreed to in writing, software\n    11→distributed under the License is distributed on an \"AS IS\" BASIS,\n    12→WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n    13→See the License for the specific language governing permissions and\n    14→limitations under the License.\n    15→*/\n    16→package pricing\n    17→\n    18→import (\n    19→\t\"context\"\n    20→\t\"fmt\"\n    21→\t\"sync\"\n    22→\t\"time\"\n    23→\n    24→\t\"github.com/IBM/platform-services-go-sdk/globalcatalogv1\"\n    25→\t\"github.com/IBM/vpc-go-sdk/vpcv1\"\n    26→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/batcher\"\n    27→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/cache\"\n    28→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/cloudprovider/ibm\"\n    29→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/logging\"\n    30→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/metrics\"\n    31→)\n    32→\n    33→// IBMPricingProvider implements the Provider interface for IBM Cloud pricing\n    34→type IBMPricingProvider struct {\n    35→\tclient         *ibm.Client\n    36→\tpricingBatcher *batcher.PricingBatcher\n    37→\tpricingMap     map[string]map[string]float64 // instanceType -> zone -> price\n    38→\tlastUpdate     time.Time\n    39→\tmutex          sync.RWMutex\n    40→\tttl            time.Duration\n    41→\tpriceCache     *cache.Cache\n    42→\tlogger         *logging.Logger\n    43→}\n    44→\n    45→// NewIBMPricingProvider creates a new IBM Cloud pricing provider\n    46→func NewIBMPricingProvider(ctx context.Context, client *ibm.Client) *IBMPricingProvider {\n    47→\tvar pricingBatcher *batcher.PricingBatcher\n    48→\tif client != nil {\n    49→\t\tif catalogClient, err := client.GetGlobalCatalogClient(); err == nil {\n    50→\t\t\tpricingBatcher = batcher.NewPricingBatcher(ctx, catalogClient)\n    51→\t\t}\n    52→\t}\n    53→\n    54→\treturn &IBMPricingProvider{\n    55→\t\tclient:         client,\n    56→\t\tpricingBatcher: pricingBatcher,\n    57→\t\tpricingMap:     make(map[string]map[string]float64),\n    58→\t\tttl:            12 * time.Hour,            // Cache pricing for 12 hours\n    59→\t\tpriceCache:     cache.New(12 * time.Hour), // Use new cache infrastructure\n    60→\t\tlogger:         logging.PricingLogger(),\n    61→\t}\n    62→}\n    63→\n    64→// GetPrice returns the hourly price for the specified instance type in the given zone\n    65→func (p *IBMPricingProvider) GetPrice(ctx context.Context, instanceType string, zone string) (float64, error) {\n    66→\tcacheKey := fmt.Sprintf(\"price:%s:%s\", instanceType, zone)\n    67→\n    68→\t// Try to get from cache first\n    69→\tif cached, exists := p.priceCache.Get(cacheKey); exists {\n    70→\t\treturn cached.(float64), nil\n    71→\t}\n    72→\n    73→\tp.mutex.RLock()\n    74→\n    75→\t// Check if cache needs refresh\n    76→\tif time.Since(p.lastUpdate) > p.ttl {\n    77→\t\tp.mutex.RUnlock()\n    78→\t\tif err := p.Refresh(ctx); err != nil {\n    79→\t\t\t// Log error but continue with cached data if available\n    80→\t\t\tp.logger.Warn(\"Failed to refresh pricing data\", \"error\", err)\n    81→\t\t}\n    82→\t\tp.mutex.RLock()\n    83→\t}\n    84→\n    85→\tif zoneMap, exists := p.pricingMap[instanceType]; exists {\n    86→\t\tif price, exists := zoneMap[zone]; exists {\n    87→\t\t\tp.mutex.RUnlock()\n    88→\t\t\t// Cache the result\n    89→\t\t\tp.priceCache.Set(cacheKey, price)\n    90→\n    91→\t\t\t// Extract region from zone (assuming zone format like \"us-south-1\")\n    92→\t\t\tregion := zone\n    93→\t\t\tif len(zone) > 2 && zone[len(zone)-2] == '-' {\n    94→\t\t\t\tregion = zone[:len(zone)-2]\n    95→\t\t\t}\n    96→\n    97→\t\t\t// Update cost metric\n    98→\t\t\tmetrics.CostPerHour.WithLabelValues(instanceType, region).Set(price)\n    99→\n   100→\t\t\treturn price, nil\n   101→\t\t}\n   102→\t}\n   103→\tp.mutex.RUnlock()\n   104→\n   105→\t// No pricing data available - return error instead of fallback\n   106→\treturn 0, fmt.Errorf(\"no pricing data available for instance type %s in zone %s\", instanceType, zone)\n   107→}\n   108→\n   109→// GetPrices returns a map of instance type to price for all instance types in the given zone\n   110→func (p *IBMPricingProvider) GetPrices(ctx context.Context, zone string) (map[string]float64, error) {\n   111→\tp.mutex.RLock()\n   112→\tdefer p.mutex.RUnlock()\n   113→\n   114→\t// Check if cache needs refresh\n   115→\tif time.Since(p.lastUpdate) > p.ttl {\n   116→\t\tp.mutex.RUnlock()\n   117→\t\tif err := p.Refresh(ctx); err != nil {\n   118→\t\t\t// Log error but continue with cached data if available\n   119→\t\t\tp.logger.Warn(\"Failed to refresh pricing data\", \"error\", err)\n   120→\t\t}\n   121→\t\tp.mutex.RLock()\n   122→\t}\n   123→\n   124→\tprices := make(map[string]float64)\n   125→\tfor instanceType, zoneMap := range p.pricingMap {\n   126→\t\tif price, exists := zoneMap[zone]; exists {\n   127→\t\t\tprices[instanceType] = price\n   128→\t\t}\n   129→\t\t// Skip instance types without pricing data for this zone\n   130→\t}\n   131→\n   132→\t// Return empty map if no pricing data available\n   133→\tif len(prices) == 0 {\n   134→\t\treturn nil, fmt.Errorf(\"no pricing data available for zone %s\", zone)\n   135→\t}\n   136→\n   137→\treturn prices, nil\n   138→}\n   139→\n   140→// Refresh updates the cached pricing information using IBM Cloud API\n   141→func (p *IBMPricingProvider) Refresh(ctx context.Context) error {\n   142→\tp.mutex.Lock()\n   143→\tdefer p.mutex.Unlock()\n   144→\n   145→\t// If no client available, return error\n   146→\tif p.client == nil {\n   147→\t\treturn fmt.Errorf(\"IBM client not available for pricing API calls\")\n   148→\t}\n   149→\n   150→\t// Try to fetch pricing data from IBM Cloud API\n   151→\tnewPricingMap, err := p.fetchPricingData(ctx)\n   152→\tif err != nil {\n   153→\t\t// API failed - don't update lastUpdate to allow retry\n   154→\t\treturn fmt.Errorf(\"failed to fetch pricing data from IBM Cloud API: %w\", err)\n   155→\t}\n   156→\n   157→\t// Successfully fetched from API - update cache\n   158→\tp.pricingMap = newPricingMap\n   159→\tp.lastUpdate = time.Now()\n   160→\treturn nil\n   161→}\n   162→\n   163→// fetchPricingData fetches pricing from IBM Cloud Global Catalog API\n   164→func (p *IBMPricingProvider) fetchPricingData(ctx context.Context) (map[string]map[string]float64, error) {\n   165→\tif p.client == nil {\n   166→\t\treturn nil, fmt.Errorf(\"IBM client not initialized\")\n   167→\t}\n   168→\n   169→\t// Get the catalog client\n   170→\tcatalogClient, err := p.client.GetGlobalCatalogClient()\n   171→\tif err != nil {\n   172→\t\treturn nil, fmt.Errorf(\"getting catalog client: %w\", err)\n   173→\t}\n   174→\n   175→\t// Fetch all instance types from catalog\n   176→\tinstanceTypes, err := catalogClient.ListInstanceTypes(ctx)\n   177→\tif err != nil {\n   178→\t\treturn nil, fmt.Errorf(\"listing instance types: %w\", err)\n   179→\t}\n   180→\n   181→\tpricingMap := make(map[string]map[string]float64)\n   182→\n   183→\t// Get all regions and zones dynamically from VPC API\n   184→\tregionZones, err := p.getAllRegionsAndZones(ctx)\n   185→\tif err != nil {\n   186→\t\treturn nil, fmt.Errorf(\"getting regions and zones: %w\", err)\n   187→\t}\n   188→\n   189→\t// Process each instance type\n   190→\tfor _, entry := range instanceTypes {\n   191→\t\tif entry.Name == nil {\n   192→\t\t\tcontinue\n   193→\t\t}\n   194→\n   195→\t\tinstanceTypeName := *entry.Name\n   196→\n   197→\t\t// Fetch pricing for this instance type\n   198→\t\tprice, err := p.fetchInstancePricing(ctx, catalogClient, entry)\n   199→\t\tif err != nil {\n   200→\t\t\t// Skip this instance type if pricing unavailable\n   201→\t\t\tp.logger.Warn(\"Skipping instance type due to pricing error\",\n   202→\t\t\t\t\"instanceType\", instanceTypeName,\n   203→\t\t\t\t\"error\", err)\n   204→\t\t\tcontinue\n   205→\t\t}\n   206→\n   207→\t\t// Initialize map for this instance type\n   208→\t\tpricingMap[instanceTypeName] = make(map[string]float64)\n   209→\n   210→\t\t// IBM Cloud pricing is typically uniform across zones in a region\n   211→\t\t// Set the same price for all zones across all regions\n   212→\t\tfor _, zones := range regionZones {\n   213→\t\t\tfor _, zone := range zones {\n   214→\t\t\t\tpricingMap[instanceTypeName][zone] = price\n   215→\t\t\t}\n   216→\t\t}\n   217→\t}\n   218→\n   219→\treturn pricingMap, nil\n   220→}\n   221→\n   222→// getAllRegionsAndZones fetches all regions and their zones from VPC API\n   223→func (p *IBMPricingProvider) getAllRegionsAndZones(ctx context.Context) (map[string][]string, error) {\n   224→\tvpcClient, err := p.client.GetVPCClient(ctx)\n   225→\tif err != nil {\n   226→\t\treturn nil, fmt.Errorf(\"getting VPC client: %w\", err)\n   227→\t}\n   228→\n   229→\t// Get SDK client\n   230→\tsdkClient := vpcClient.GetSDKClient()\n   231→\tif sdkClient == nil {\n   232→\t\treturn nil, fmt.Errorf(\"VPC SDK client not available\")\n   233→\t}\n   234→\n   235→\t// List all regions\n   236→\tregionsResult, _, err := sdkClient.ListRegions(&vpcv1.ListRegionsOptions{})\n   237→\tif err != nil {\n   238→\t\treturn nil, fmt.Errorf(\"listing regions: %w\", err)\n   239→\t}\n   240→\n   241→\tif regionsResult == nil || regionsResult.Regions == nil {\n   242→\t\treturn nil, fmt.Errorf(\"no regions found\")\n   243→\t}\n   244→\n   245→\tregionZones := make(map[string][]string)\n   246→\n   247→\t// For each region, get its zones\n   248→\tfor _, region := range regionsResult.Regions {\n   249→\t\tif region.Name == nil {\n   250→\t\t\tcontinue\n   251→\t\t}\n   252→\n   253→\t\tregionName := *region.Name\n   254→\n   255→\t\t// List zones for this region\n   256→\t\tzonesResult, _, err := sdkClient.ListRegionZonesWithContext(ctx, &vpcv1.ListRegionZonesOptions{\n   257→\t\t\tRegionName: region.Name,\n   258→\t\t})\n   259→\t\tif err != nil {\n   260→\t\t\tp.logger.Warn(\"Failed to get zones for region\", \"region\", regionName, \"error\", err)\n   261→\t\t\tcontinue\n   262→\t\t}\n   263→\n   264→\t\tif zonesResult != nil && zonesResult.Zones != nil {\n   265→\t\t\tvar zones []string\n   266→\t\t\tfor _, zone := range zonesResult.Zones {\n   267→\t\t\t\tif zone.Name != nil {\n   268→\t\t\t\t\tzones = append(zones, *zone.Name)\n   269→\t\t\t\t}\n   270→\t\t\t}\n   271→\t\t\tif len(zones) > 0 {\n   272→\t\t\t\tregionZones[regionName] = zones\n   273→\t\t\t}\n   274→\t\t}\n   275→\t}\n   276→\n   277→\tif len(regionZones) == 0 {\n   278→\t\treturn nil, fmt.Errorf(\"no regions with zones found\")\n   279→\t}\n   280→\n   281→\treturn regionZones, nil\n   282→}\n   283→\n   284→// fetchInstancePricing fetches pricing for a specific instance type from IBM Cloud API\n   285→func (p *IBMPricingProvider) fetchInstancePricing(ctx context.Context, catalogClient *ibm.GlobalCatalogClient, entry globalcatalogv1.CatalogEntry) (float64, error) {\n   286→\tif entry.ID == nil {\n   287→\t\treturn 0, fmt.Errorf(\"catalog entry ID is nil\")\n   288→\t}\n   289→\n   290→\t// Use IBM Cloud GetPricing API to fetch pricing data\n   291→\tcatalogEntryID := *entry.ID\n   292→\n   293→\t// Access the underlying global catalog client to use GetPricing\n   294→\t// This requires extending our catalog client interface\n   295→\tprice, err := p.fetchPricingFromAPI(ctx, catalogEntryID)\n   296→\tif err != nil {\n   297→\t\treturn 0, fmt.Errorf(\"fetching pricing for %s: %w\", *entry.Name, err)\n   298→\t}\n   299→\n   300→\treturn price, nil\n   301→}\n   302→\n   303→// fetchPricingFromAPI calls IBM Cloud GetPricing API for the catalog entry\n   304→func (p *IBMPricingProvider) fetchPricingFromAPI(ctx context.Context, catalogEntryID string) (float64, error) {\n   305→\tif p.pricingBatcher == nil {\n   306→\t\treturn 0, fmt.Errorf(\"pricing batcher not initialized\")\n   307→\t}\n   308→\tpricingData, err := p.pricingBatcher.GetPricing(ctx, catalogEntryID)\n   309→\tif err != nil {\n   310→\t\treturn 0, fmt.Errorf(\"calling GetPricing API: %w\", err)\n   311→\t}\n   312→\n   313→\t// Extract pricing from response - based on tools/gen_instance_types.go pattern\n   314→\tif pricingData.Metrics != nil {\n   315→\t\tfor _, metric := range pricingData.Metrics {\n   316→\t\t\tif metric.Amounts != nil {\n   317→\t\t\t\tfor _, amount := range metric.Amounts {\n   318→\t\t\t\t\tif amount.Country != nil && *amount.Country == \"USA\" {\n   319→\t\t\t\t\t\tif amount.Prices != nil {\n   320→\t\t\t\t\t\t\tfor _, priceObj := range amount.Prices {\n   321→\t\t\t\t\t\t\t\tif priceObj.Price != nil {\n   322→\t\t\t\t\t\t\t\t\treturn *priceObj.Price, nil\n   323→\t\t\t\t\t\t\t\t}\n   324→\t\t\t\t\t\t\t}\n   325→\t\t\t\t\t\t}\n   326→\t\t\t\t\t}\n   327→\t\t\t\t}\n   328→\t\t\t}\n   329→\t\t}\n   330→\t}\n   331→\n   332→\treturn 0, fmt.Errorf(\"no pricing data found in API response\")\n   333→}\n   334→"}]},"uuid":"5e83b590-4eaf-4858-91c6-d9bd365ff8d9","timestamp":"2026-02-28T15:00:56.533Z"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"929b2ba5-8322-4810-b696-44e5e4efbbc6","timestamp":"2026-02-28T15:00:56.740Z"}
{"parentUuid":"929b2ba5-8322-4810-b696-44e5e4efbbc6","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"assistant","timestamp":"2026-02-28T15:00:56.747Z","message":{"model":"claude-sonnet-4-6","id":"msg_011LBPbrkrpMpNEcssr1RKVo","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01UkjtbLQ4PkGqRF2y7cyNAE","name":"Read","input":{"file_path":"/home/josie/development/kubernetes/karpenter-ibm/pkg/providers/common/pricing/provider.go"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":12311,"cache_read_input_tokens":34309,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":12311},"output_tokens":24,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"requestId":"req_011CYaffoSwedUK343zHm4nx","uuid":"899193f8-6bf5-42d5-8773-a202181b6fb0"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"b46d32b7-22de-472c-b2e5-ef63e79c3ebe","timestamp":"2026-02-28T15:00:56.748Z"}
{"parentUuid":"b46d32b7-22de-472c-b2e5-ef63e79c3ebe","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01UkjtbLQ4PkGqRF2y7cyNAE","type":"tool_result","content":"     1→/*\n     2→Copyright The Kubernetes Authors.\n     3→\n     4→Licensed under the Apache License, Version 2.0 (the \"License\");\n     5→you may not use this file except in compliance with the License.\n     6→You may obtain a copy of the License at\n     7→\n     8→\thttp://www.apache.org/licenses/LICENSE-2.0\n     9→\n    10→Unless required by applicable law or agreed to in writing, software\n    11→distributed under the License is distributed on an \"AS IS\" BASIS,\n    12→WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n    13→See the License for the specific language governing permissions and\n    14→limitations under the License.\n    15→*/\n    16→\n    17→//go:generate go run go.uber.org/mock/mockgen@latest -source=./provider.go -destination=./mock/provider_generated.go -package=mock\n    18→\n    19→package pricing\n    20→\n    21→import (\n    22→\t\"context\"\n    23→)\n    24→\n    25→// Provider defines the interface for retrieving IBM Cloud pricing information\n    26→type Provider interface {\n    27→\t// GetPrice returns the hourly price for the specified instance type in the given zone\n    28→\tGetPrice(ctx context.Context, instanceType string, zone string) (float64, error)\n    29→\n    30→\t// GetPrices returns a map of instance type to price for all instance types in the given zone\n    31→\tGetPrices(ctx context.Context, zone string) (map[string]float64, error)\n    32→\n    33→\t// Refresh updates the cached pricing information\n    34→\tRefresh(ctx context.Context) error\n    35→}\n    36→\n    37→// Price represents pricing information for an IBM Cloud instance type\n    38→type Price struct {\n    39→\t// InstanceType is the instance type name\n    40→\tInstanceType string\n    41→\n    42→\t// Zone is the availability zone\n    43→\tZone string\n    44→\n    45→\t// HourlyPrice is the cost per hour for the instance type\n    46→\tHourlyPrice float64\n    47→\n    48→\t// Currency is the currency of the price (e.g., USD)\n    49→\tCurrency string\n    50→}\n    51→"}]},"uuid":"f06251aa-1c82-4339-b068-61f9adf3a96d","timestamp":"2026-02-28T15:00:56.793Z"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"f89f6322-c372-4656-a582-d3800aacdcbd","timestamp":"2026-02-28T15:00:57.227Z"}
{"parentUuid":"f89f6322-c372-4656-a582-d3800aacdcbd","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"assistant","timestamp":"2026-02-28T15:00:57.235Z","message":{"model":"claude-sonnet-4-6","id":"msg_011LBPbrkrpMpNEcssr1RKVo","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01MWdnwqF9uQDc7dwBvQNpbT","name":"Read","input":{"file_path":"/home/josie/development/kubernetes/karpenter-ibm/pkg/controllers/interruption/controller.go"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":12311,"cache_read_input_tokens":34309,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":12311},"output_tokens":24,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"requestId":"req_011CYaffoSwedUK343zHm4nx","uuid":"0eaa185c-27aa-466a-9c43-d4803a64c462"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"6cdfbccf-bbe9-4d50-bfa0-3065b70bae50","timestamp":"2026-02-28T15:00:57.235Z"}
{"parentUuid":"6cdfbccf-bbe9-4d50-bfa0-3065b70bae50","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01MWdnwqF9uQDc7dwBvQNpbT","type":"tool_result","content":"     1→/*\n     2→Copyright The Kubernetes Authors.\n     3→\n     4→Licensed under the Apache License, Version 2.0 (the \"License\");\n     5→you may not use this file except in compliance with the License.\n     6→You may obtain a copy of the License at\n     7→\n     8→\thttp://www.apache.org/licenses/LICENSE-2.0\n     9→\n    10→Unless required by applicable law or agreed to in writing, software\n    11→distributed under the License is distributed on an \"AS IS\" BASIS,\n    12→WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n    13→See the License for the specific language governing permissions and\n    14→limitations under the License.\n    15→*/\n    16→package interruption\n    17→\n    18→import (\n    19→\t\"context\"\n    20→\t\"encoding/json\"\n    21→\t\"fmt\"\n    22→\t\"net/http\"\n    23→\t\"strings\"\n    24→\t\"time\"\n    25→\n    26→\t\"github.com/awslabs/operatorpkg/reconciler\"\n    27→\t\"github.com/awslabs/operatorpkg/singleton\"\n    28→\tv1 \"k8s.io/api/core/v1\"\n    29→\t\"k8s.io/client-go/tools/record\"\n    30→\t\"sigs.k8s.io/controller-runtime/pkg/builder\"\n    31→\t\"sigs.k8s.io/controller-runtime/pkg/client\"\n    32→\t\"sigs.k8s.io/controller-runtime/pkg/log\"\n    33→\t\"sigs.k8s.io/controller-runtime/pkg/manager\"\n    34→\n    35→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/apis/v1alpha1\"\n    36→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/cache\"\n    37→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/providers\"\n    38→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/providers/common/types\"\n    39→)\n    40→\n    41→// Controller handles instance interruption events from IBM Cloud\n    42→// Supports both VPC and IKS deployment modes with mode-specific response strategies\n    43→//\n    44→// Deployment Mode Support:\n    45→//   - VPC Mode: Direct VPC instance management with immediate node deletion and replacement\n    46→//   - IKS Mode: Hybrid approach using node cordoning and IKS worker pool management\n    47→//\n    48→// Interruption Detection:\n    49→//   - Node condition monitoring (Ready, MemoryPressure, NetworkUnavailable, etc.)\n    50→//   - IBM Cloud metadata service health state checking\n    51→//   - IBM Cloud-specific annotations and maintenance signals\n    52→//\n    53→// Mode-Specific Response Strategies:\n    54→//   - VPC Mode: Immediate node deletion for all interruption types to trigger Karpenter replacement\n    55→//   - IKS Mode: Node cordoning for capacity issues (let IKS manage), deletion for infrastructure issues\n    56→//\n    57→// Supported Interruption Reasons:\n    58→//   - CapacityUnavailable: Resource exhaustion scenarios\n    59→//   - NetworkResourceLimit: Network/IP address exhaustion\n    60→//   - HostMaintenance: Scheduled infrastructure maintenance\n    61→//   - InstanceHealthFailed: Instance health degradation\n    62→//   - StorageFailure: Boot/data volume issues\n    63→type Controller struct {\n    64→\tkubeClient           client.Client\n    65→\trecorder             record.EventRecorder\n    66→\tunavailableOfferings *cache.UnavailableOfferings\n    67→\thttpClient           *http.Client\n    68→\tproviderFactory      *providers.ProviderFactory\n    69→}\n    70→\n    71→// InstanceMetadata represents IBM Cloud instance metadata response\n    72→type InstanceMetadata struct {\n    73→\tID             string `json:\"id\"`\n    74→\tLifecycleState string `json:\"lifecycle_state\"`\n    75→\tHealthState    string `json:\"health_state\"`\n    76→\tStatus         string `json:\"status\"`\n    77→}\n    78→\n    79→// InterruptionReason represents the cause of an interruption\n    80→type InterruptionReason string\n    81→\n    82→const (\n    83→\t// IBM Cloud metadata service endpoints\n    84→\tMetadataBaseURL     = \"http://api.metadata.cloud.ibm.com\"\n    85→\tMetadataTokenURL    = MetadataBaseURL + \"/instance_identity/v1/token?version=2022-03-29\"\n    86→\tMetadataInstanceURL = MetadataBaseURL + \"/metadata/v1/instance?version=2022-03-29\"\n    87→\n    88→\t// Interruption reasons\n    89→\tCapacityUnavailable  InterruptionReason = \"capacity-unavailable\"\n    90→\tHostMaintenance      InterruptionReason = \"host-maintenance\"\n    91→\tInstanceHealthFailed InterruptionReason = \"instance-health-failed\"\n    92→\tNetworkResourceLimit InterruptionReason = \"network-resource-limit\"\n    93→\tStorageFailure       InterruptionReason = \"storage-failure\"\n    94→\n    95→\t// Node annotations for IBM Cloud interruption info\n    96→\tInterruptionAnnotation       = \"karpenter-ibm.sh/interruption-detected\"\n    97→\tInterruptionReasonAnnotation = \"karpenter-ibm.sh/interruption-reason\"\n    98→\tInterruptionTimeAnnotation   = \"karpenter-ibm.sh/interruption-time\"\n    99→)\n   100→\n   101→// NewController constructs a controller instance\n   102→func NewController(kubeClient client.Client, recorder record.EventRecorder, unavailableOfferings *cache.UnavailableOfferings, providerFactory *providers.ProviderFactory) *Controller {\n   103→\treturn &Controller{\n   104→\t\tkubeClient:           kubeClient,\n   105→\t\trecorder:             recorder,\n   106→\t\tunavailableOfferings: unavailableOfferings,\n   107→\t\tproviderFactory:      providerFactory,\n   108→\t\thttpClient: &http.Client{\n   109→\t\t\tTimeout: 10 * time.Second,\n   110→\t\t},\n   111→\t}\n   112→}\n   113→\n   114→// Reconcile executes a control loop for the resource\n   115→func (c *Controller) Reconcile(ctx context.Context) (reconciler.Result, error) {\n   116→\t// Since we're using singleton pattern, we don't get a request object\n   117→\t// Instead, we'll process all nodes in the cluster\n   118→\n   119→\tnodeList := &v1.NodeList{}\n   120→\tif err := c.kubeClient.List(ctx, nodeList); err != nil {\n   121→\t\treturn reconciler.Result{}, err\n   122→\t}\n   123→\n   124→\tfor _, node := range nodeList.Items {\n   125→\t\t// Check if node is being interrupted\n   126→\t\tinterrupted, reason := c.isNodeInterrupted(ctx, &node)\n   127→\t\tif !interrupted {\n   128→\t\t\tcontinue\n   129→\t\t}\n   130→\n   131→\t\t// Add interruption annotations to the node\n   132→\t\tif err := c.markNodeAsInterrupted(ctx, &node, reason); err != nil {\n   133→\t\t\tlog.FromContext(ctx).Error(err, \"Failed to mark node as interrupted\", \"node\", node.Name)\n   134→\t\t\tcontinue\n   135→\t\t}\n   136→\n   137→\t\t// Record interruption event\n   138→\t\tc.recorder.Event(&node, v1.EventTypeWarning, \"Interruption\",\n   139→\t\t\tfmt.Sprintf(\"Node is being interrupted by IBM Cloud: %s\", reason))\n   140→\n   141→\t\t// Handle interruption based on deployment mode (VPC vs IKS)\n   142→\t\tif err := c.handleInterruption(ctx, &node, reason); err != nil {\n   143→\t\t\tlog.FromContext(ctx).Error(err, \"Failed to handle interruption\", \"node\", node.Name, \"reason\", reason)\n   144→\t\t\tcontinue\n   145→\t\t}\n   146→\t}\n   147→\n   148→\treturn reconciler.Result{RequeueAfter: time.Minute}, nil\n   149→}\n   150→\n   151→// isNodeInterrupted checks if a node is being interrupted by IBM Cloud\n   152→func (c *Controller) isNodeInterrupted(ctx context.Context, node *v1.Node) (bool, InterruptionReason) {\n   153→\tlogger := log.FromContext(ctx).WithValues(\"node\", node.Name)\n   154→\n   155→\t// Check if node already has interruption annotation (avoid duplicate processing)\n   156→\tif _, exists := node.Annotations[InterruptionAnnotation]; exists {\n   157→\t\treturn false, \"\"\n   158→\t}\n   159→\n   160→\t// 1. Check node readiness and health conditions\n   161→\tif reason := c.checkNodeConditions(node); reason != \"\" {\n   162→\t\tlogger.V(1).Info(\"Detecting interruption from node conditions\", \"reason\", reason)\n   163→\t\treturn true, reason\n   164→\t}\n   165→\n   166→\t// 2. Check IBM Cloud-specific metadata (if instance ID is available)\n   167→\tif instanceID := c.getInstanceIDFromNode(node); instanceID != \"\" {\n   168→\t\tif reason := c.checkInstanceMetadata(ctx, instanceID); reason != \"\" {\n   169→\t\t\tlogger.V(1).Info(\"Detecting interruption from instance metadata\", \"reason\", reason)\n   170→\t\t\treturn true, reason\n   171→\t\t}\n   172→\t}\n   173→\n   174→\t// 3. Check for capacity-related issues from node events or annotations\n   175→\tif reason := c.checkCapacitySignals(node); reason != \"\" {\n   176→\t\tlogger.V(1).Info(\"Detecting capacity-related interruption\", \"reason\", reason)\n   177→\t\treturn true, reason\n   178→\t}\n   179→\n   180→\treturn false, \"\"\n   181→}\n   182→\n   183→// isCapacityRelated checks if the interruption is due to capacity constraints\n   184→func (c *Controller) isCapacityRelated(node *v1.Node, reason InterruptionReason) bool {\n   185→\tswitch reason {\n   186→\tcase CapacityUnavailable, NetworkResourceLimit:\n   187→\t\treturn true\n   188→\tcase HostMaintenance, InstanceHealthFailed, StorageFailure:\n   189→\t\treturn false\n   190→\tdefault:\n   191→\t\t// For unknown reasons, check node conditions for capacity indicators\n   192→\t\treturn c.hasCapacityPressure(node)\n   193→\t}\n   194→}\n   195→\n   196→// Name returns the name of the controller\n   197→func (c *Controller) Name() string {\n   198→\treturn \"interruption\"\n   199→}\n   200→\n   201→// Register registers the controller with the manager\n   202→// markNodeAsInterrupted adds interruption annotations to the node\n   203→func (c *Controller) markNodeAsInterrupted(ctx context.Context, node *v1.Node, reason InterruptionReason) error {\n   204→\tnodeCopy := node.DeepCopy()\n   205→\tif nodeCopy.Annotations == nil {\n   206→\t\tnodeCopy.Annotations = make(map[string]string)\n   207→\t}\n   208→\n   209→\tnodeCopy.Annotations[InterruptionAnnotation] = \"true\"\n   210→\tnodeCopy.Annotations[InterruptionReasonAnnotation] = string(reason)\n   211→\tnodeCopy.Annotations[InterruptionTimeAnnotation] = time.Now().Format(time.RFC3339)\n   212→\n   213→\treturn c.kubeClient.Update(ctx, nodeCopy)\n   214→}\n   215→\n   216→// checkNodeConditions examines standard Kubernetes node conditions for health issues\n   217→func (c *Controller) checkNodeConditions(node *v1.Node) InterruptionReason {\n   218→\t// Skip interruption detection for nodes that have never been ready (startup phase)\n   219→\t// This prevents false positives from normal startup conditions like \"network plugin not ready\"\n   220→\tif !c.hasEverBeenReady(node) {\n   221→\t\treturn \"\"\n   222→\t}\n   223→\n   224→\tfor _, condition := range node.Status.Conditions {\n   225→\t\tswitch condition.Type {\n   226→\t\tcase v1.NodeReady:\n   227→\t\t\tif condition.Status != v1.ConditionTrue {\n   228→\t\t\t\t// Check the reason for not being ready\n   229→\t\t\t\tif strings.Contains(strings.ToLower(condition.Message), \"capacity\") ||\n   230→\t\t\t\t\tstrings.Contains(strings.ToLower(condition.Reason), \"capacity\") {\n   231→\t\t\t\t\treturn CapacityUnavailable\n   232→\t\t\t\t}\n   233→\t\t\t\t// Only treat as network interruption if it's not a startup-related message\n   234→\t\t\t\tif strings.Contains(strings.ToLower(condition.Message), \"network\") &&\n   235→\t\t\t\t\t!strings.Contains(strings.ToLower(condition.Message), \"plugin\") &&\n   236→\t\t\t\t\t!strings.Contains(strings.ToLower(condition.Reason), \"NetworkPluginNotReady\") {\n   237→\t\t\t\t\treturn NetworkResourceLimit\n   238→\t\t\t\t}\n   239→\t\t\t\treturn InstanceHealthFailed\n   240→\t\t\t}\n   241→\t\tcase v1.NodeMemoryPressure, v1.NodeDiskPressure, v1.NodePIDPressure:\n   242→\t\t\tif condition.Status == v1.ConditionTrue {\n   243→\t\t\t\treturn CapacityUnavailable\n   244→\t\t\t}\n   245→\t\tcase v1.NodeNetworkUnavailable:\n   246→\t\t\tif condition.Status == v1.ConditionTrue {\n   247→\t\t\t\treturn NetworkResourceLimit\n   248→\t\t\t}\n   249→\t\t}\n   250→\t}\n   251→\treturn \"\"\n   252→}\n   253→\n   254→// hasEverBeenReady checks if the node has ever been in Ready state\n   255→// by checking if the Ready condition has transitioned to True at least once\n   256→func (c *Controller) hasEverBeenReady(node *v1.Node) bool {\n   257→\tfor _, condition := range node.Status.Conditions {\n   258→\t\tif condition.Type == v1.NodeReady {\n   259→\t\t\t// If the node is currently ready, it has been ready\n   260→\t\t\tif condition.Status == v1.ConditionTrue {\n   261→\t\t\t\treturn true\n   262→\t\t\t}\n   263→\t\t\t// If LastTransitionTime is set and the node is not ready,\n   264→\t\t\t// check if it was ready before (transition happened from True to False)\n   265→\t\t\t// A node that has never been ready will have Status=False from creation\n   266→\t\t\t// and LastTransitionTime will be very recent (within a few minutes of creation)\n   267→\t\t\tif !condition.LastTransitionTime.IsZero() && !node.CreationTimestamp.IsZero() {\n   268→\t\t\t\ttimeSinceCreation := condition.LastTransitionTime.Sub(node.CreationTimestamp.Time)\n   269→\t\t\t\t// If transition happened more than 2 minutes after creation,\n   270→\t\t\t\t// it likely transitioned from True to False (was ready, now not ready)\n   271→\t\t\t\tif timeSinceCreation > 2*time.Minute {\n   272→\t\t\t\t\treturn true\n   273→\t\t\t\t}\n   274→\t\t\t}\n   275→\t\t}\n   276→\t}\n   277→\treturn false\n   278→}\n   279→\n   280→// getInstanceIDFromNode extracts IBM Cloud instance ID from node labels or annotations\n   281→func (c *Controller) getInstanceIDFromNode(node *v1.Node) string {\n   282→\t// Try to get instance ID from provider ID (format: ibm:///zone/instance-id)\n   283→\tif node.Spec.ProviderID != \"\" {\n   284→\t\tparts := strings.Split(node.Spec.ProviderID, \"/\")\n   285→\t\tif len(parts) >= 2 {\n   286→\t\t\treturn parts[len(parts)-1]\n   287→\t\t}\n   288→\t}\n   289→\n   290→\t// Fallback to labels or annotations if available\n   291→\tif instanceID, exists := node.Labels[\"ibm-cloud.kubernetes.io/instance-id\"]; exists {\n   292→\t\treturn instanceID\n   293→\t}\n   294→\tif instanceID, exists := node.Annotations[\"ibm-cloud.kubernetes.io/instance-id\"]; exists {\n   295→\t\treturn instanceID\n   296→\t}\n   297→\n   298→\treturn \"\"\n   299→}\n   300→\n   301→// checkInstanceMetadata queries IBM Cloud metadata service for instance health\n   302→func (c *Controller) checkInstanceMetadata(ctx context.Context, instanceID string) InterruptionReason {\n   303→\t// Note: This requires the controller to run on the actual node to access metadata service\n   304→\t// In most cases, this won't be accessible from the control plane\n   305→\t// This is here for completeness but may not be practically usable\n   306→\n   307→\tmetadata, err := c.getInstanceMetadata(ctx)\n   308→\tif err != nil {\n   309→\t\t// Metadata service not accessible from this location (expected)\n   310→\t\treturn \"\"\n   311→\t}\n   312→\n   313→\t// Check health state\n   314→\tswitch strings.ToLower(metadata.HealthState) {\n   315→\tcase \"degraded\":\n   316→\t\treturn InstanceHealthFailed\n   317→\tcase \"faulted\":\n   318→\t\treturn InstanceHealthFailed\n   319→\tdefault:\n   320→\t\treturn \"\"\n   321→\t}\n   322→}\n   323→\n   324→// getInstanceMetadata fetches instance metadata from IBM Cloud metadata service\n   325→func (c *Controller) getInstanceMetadata(ctx context.Context) (*InstanceMetadata, error) {\n   326→\t// Get authentication token\n   327→\ttokenReq, err := http.NewRequestWithContext(ctx, \"PUT\", MetadataTokenURL, nil)\n   328→\tif err != nil {\n   329→\t\treturn nil, err\n   330→\t}\n   331→\ttokenReq.Header.Set(\"Metadata-Flavor\", \"ibm\")\n   332→\n   333→\ttokenResp, err := c.httpClient.Do(tokenReq)\n   334→\tif err != nil {\n   335→\t\treturn nil, err\n   336→\t}\n   337→\tdefer func() {\n   338→\t\tif closeErr := tokenResp.Body.Close(); closeErr != nil {\n   339→\t\t\tlog.FromContext(ctx).Error(closeErr, \"Failed to close token response body\")\n   340→\t\t}\n   341→\t}()\n   342→\n   343→\tif tokenResp.StatusCode != http.StatusOK {\n   344→\t\treturn nil, fmt.Errorf(\"failed to get metadata token: %d\", tokenResp.StatusCode)\n   345→\t}\n   346→\n   347→\tvar tokenResponse struct {\n   348→\t\tAccessToken string `json:\"access_token\"`\n   349→\t}\n   350→\tif decodeErr := json.NewDecoder(tokenResp.Body).Decode(&tokenResponse); decodeErr != nil {\n   351→\t\treturn nil, decodeErr\n   352→\t}\n   353→\n   354→\t// Get instance metadata\n   355→\tmetadataReq, err := http.NewRequestWithContext(ctx, \"GET\", MetadataInstanceURL, nil)\n   356→\tif err != nil {\n   357→\t\treturn nil, err\n   358→\t}\n   359→\tmetadataReq.Header.Set(\"Authorization\", \"Bearer \"+tokenResponse.AccessToken)\n   360→\n   361→\tmetadataResp, err := c.httpClient.Do(metadataReq)\n   362→\tif err != nil {\n   363→\t\treturn nil, err\n   364→\t}\n   365→\tdefer func() {\n   366→\t\tif closeErr := metadataResp.Body.Close(); closeErr != nil {\n   367→\t\t\tlog.FromContext(ctx).Error(closeErr, \"Failed to close metadata response body\")\n   368→\t\t}\n   369→\t}()\n   370→\n   371→\tif metadataResp.StatusCode != http.StatusOK {\n   372→\t\treturn nil, fmt.Errorf(\"failed to get instance metadata: %d\", metadataResp.StatusCode)\n   373→\t}\n   374→\n   375→\tvar metadata InstanceMetadata\n   376→\tif err := json.NewDecoder(metadataResp.Body).Decode(&metadata); err != nil {\n   377→\t\treturn nil, err\n   378→\t}\n   379→\n   380→\treturn &metadata, nil\n   381→}\n   382→\n   383→// checkCapacitySignals looks for capacity-related issues in node labels/annotations\n   384→func (c *Controller) checkCapacitySignals(node *v1.Node) InterruptionReason {\n   385→\t// Check for IBM Cloud-specific capacity annotations or labels\n   386→\tfor key, value := range node.Annotations {\n   387→\t\tif strings.Contains(key, \"ibm\") && strings.Contains(strings.ToLower(value), \"capacity\") {\n   388→\t\t\treturn CapacityUnavailable\n   389→\t\t}\n   390→\t\tif strings.Contains(key, \"ibm\") && strings.Contains(strings.ToLower(value), \"network\") {\n   391→\t\t\treturn NetworkResourceLimit\n   392→\t\t}\n   393→\t}\n   394→\n   395→\t// Check for maintenance-related annotations\n   396→\tif maintenance, exists := node.Annotations[\"ibm-cloud.kubernetes.io/maintenance\"]; exists && maintenance == \"true\" {\n   397→\t\treturn HostMaintenance\n   398→\t}\n   399→\n   400→\treturn \"\"\n   401→}\n   402→\n   403→// hasCapacityPressure checks if node has any resource pressure conditions\n   404→func (c *Controller) hasCapacityPressure(node *v1.Node) bool {\n   405→\tfor _, condition := range node.Status.Conditions {\n   406→\t\tswitch condition.Type {\n   407→\t\tcase v1.NodeMemoryPressure, v1.NodeDiskPressure, v1.NodePIDPressure:\n   408→\t\t\tif condition.Status == v1.ConditionTrue {\n   409→\t\t\t\treturn true\n   410→\t\t\t}\n   411→\t\t}\n   412→\t}\n   413→\treturn false\n   414→}\n   415→\n   416→// handleInterruption processes an interruption event based on the deployment mode\n   417→func (c *Controller) handleInterruption(ctx context.Context, node *v1.Node, reason InterruptionReason) error {\n   418→\tlogger := log.FromContext(ctx).WithValues(\"node\", node.Name, \"reason\", reason)\n   419→\n   420→\t// Get the node class to determine deployment mode\n   421→\tnodeClass, err := c.getNodeClassForNode(ctx, node)\n   422→\tif err != nil {\n   423→\t\tlogger.V(1).Info(\"Failing to determine node class, defaulting to VPC mode handling\", \"error\", err)\n   424→\t\t// Default to VPC mode handling if we can't determine the mode\n   425→\t\treturn c.handleVPCInterruption(ctx, node, reason)\n   426→\t}\n   427→\n   428→\t// Determine provider mode\n   429→\tvar mode types.ProviderMode\n   430→\tif c.providerFactory != nil {\n   431→\t\tmode = c.providerFactory.GetProviderMode(nodeClass)\n   432→\t} else {\n   433→\t\t// Fallback: try to infer from node labels/annotations\n   434→\t\tmode = c.inferModeFromNode(node)\n   435→\t}\n   436→\n   437→\tlogger.V(1).Info(\"Handling interruption\", \"mode\", mode)\n   438→\n   439→\t// Handle based on deployment mode\n   440→\tswitch mode {\n   441→\tcase types.IKSMode:\n   442→\t\treturn c.handleIKSInterruption(ctx, node, reason)\n   443→\tcase types.VPCMode:\n   444→\t\treturn c.handleVPCInterruption(ctx, node, reason)\n   445→\tdefault:\n   446→\t\tlogger.Info(\"Unknown deployment mode was encountered, defaulted to VPC handling\", \"mode\", mode)\n   447→\t\treturn c.handleVPCInterruption(ctx, node, reason)\n   448→\t}\n   449→}\n   450→\n   451→// handleVPCInterruption handles interruptions for VPC mode (direct instance management)\n   452→func (c *Controller) handleVPCInterruption(ctx context.Context, node *v1.Node, reason InterruptionReason) error {\n   453→\tlogger := log.FromContext(ctx).WithValues(\"node\", node.Name, \"mode\", \"vpc\")\n   454→\n   455→\t// Mark instance type as unavailable if capacity related\n   456→\tif c.isCapacityRelated(node, reason) {\n   457→\t\tinstanceType := node.Labels[\"node.kubernetes.io/instance-type\"]\n   458→\t\tzone := node.Labels[\"topology.kubernetes.io/zone\"]\n   459→\t\tif instanceType != \"\" && zone != \"\" {\n   460→\t\t\tc.unavailableOfferings.Add(instanceType+\":\"+zone, time.Now().Add(time.Hour))\n   461→\t\t\tlogger.Info(\"Marked instance type as unavailable due to capacity issue\",\n   462→\t\t\t\t\"instanceType\", instanceType, \"zone\", zone)\n   463→\t\t}\n   464→\t}\n   465→\n   466→\t// Cordon the node first\n   467→\tif !node.Spec.Unschedulable {\n   468→\t\tnodeCopy := node.DeepCopy()\n   469→\t\tnodeCopy.Spec.Unschedulable = true\n   470→\t\tif err := c.kubeClient.Update(ctx, nodeCopy); err != nil {\n   471→\t\t\treturn fmt.Errorf(\"failed to cordon node: %w\", err)\n   472→\t\t}\n   473→\t\tlogger.Info(\"Cordoned node for interruption\")\n   474→\t}\n   475→\n   476→\t// Delete the node to trigger immediate replacement\n   477→\tif err := c.kubeClient.Delete(ctx, node); err != nil {\n   478→\t\tif client.IgnoreNotFound(err) != nil {\n   479→\t\t\treturn fmt.Errorf(\"failed to delete node: %w\", err)\n   480→\t\t}\n   481→\t}\n   482→\tlogger.Info(\"Deleted node to trigger replacement\")\n   483→\n   484→\treturn nil\n   485→}\n   486→\n   487→// handleIKSInterruption handles interruptions for IKS mode (worker pool management)\n   488→func (c *Controller) handleIKSInterruption(ctx context.Context, node *v1.Node, reason InterruptionReason) error {\n   489→\tlogger := log.FromContext(ctx).WithValues(\"node\", node.Name, \"mode\", \"iks\")\n   490→\n   491→\t// For IKS mode, we primarily cordon the node and let IKS worker pool management handle replacement\n   492→\t// Direct node deletion might interfere with IKS worker pool sizing\n   493→\n   494→\t// Mark instance type as unavailable if capacity related (affects future provisioning)\n   495→\tif c.isCapacityRelated(node, reason) {\n   496→\t\tinstanceType := node.Labels[\"node.kubernetes.io/instance-type\"]\n   497→\t\tzone := node.Labels[\"topology.kubernetes.io/zone\"]\n   498→\t\tif instanceType != \"\" && zone != \"\" {\n   499→\t\t\tc.unavailableOfferings.Add(instanceType+\":\"+zone, time.Now().Add(time.Hour))\n   500→\t\t\tlogger.Info(\"Marked instance type as unavailable due to capacity issue\",\n   501→\t\t\t\t\"instanceType\", instanceType, \"zone\", zone)\n   502→\t\t}\n   503→\t}\n   504→\n   505→\t// Cordon the node to prevent new pods from being scheduled\n   506→\tif !node.Spec.Unschedulable {\n   507→\t\tnodeCopy := node.DeepCopy()\n   508→\t\tnodeCopy.Spec.Unschedulable = true\n   509→\t\tif err := c.kubeClient.Update(ctx, nodeCopy); err != nil {\n   510→\t\t\treturn fmt.Errorf(\"failed to cordon node: %w\", err)\n   511→\t\t}\n   512→\t\tlogger.Info(\"Cordoned node for interruption and left replacement to IKS worker pool management\")\n   513→\t}\n   514→\n   515→\t// For non-capacity issues (like maintenance), we might want to delete the node\n   516→\t// to trigger faster replacement, but for capacity issues, cordoning is sufficient\n   517→\tif !c.isCapacityRelated(node, reason) {\n   518→\t\t// For infrastructure/maintenance issues, trigger replacement\n   519→\t\tif err := c.kubeClient.Delete(ctx, node); err != nil {\n   520→\t\t\tif client.IgnoreNotFound(err) != nil {\n   521→\t\t\t\treturn fmt.Errorf(\"failed to delete node: %w\", err)\n   522→\t\t\t}\n   523→\t\t}\n   524→\t\tlogger.Info(\"Deleted node to trigger replacement for non-capacity interruption\")\n   525→\t}\n   526→\n   527→\treturn nil\n   528→}\n   529→\n   530→// getNodeClassForNode retrieves the IBMNodeClass associated with a node\n   531→func (c *Controller) getNodeClassForNode(ctx context.Context, node *v1.Node) (*v1alpha1.IBMNodeClass, error) {\n   532→\t// Try to get node class name from node labels\n   533→\tnodeClassName, exists := node.Labels[\"karpenter-ibm.sh/nodeclass\"]\n   534→\tif !exists {\n   535→\t\t// Fallback: try standard Karpenter label\n   536→\t\tnodeClassName, exists = node.Labels[\"karpenter.sh/nodepool\"]\n   537→\t\tif !exists {\n   538→\t\t\treturn nil, fmt.Errorf(\"no nodeclass label found on node\")\n   539→\t\t}\n   540→\t}\n   541→\n   542→\tnodeClass := &v1alpha1.IBMNodeClass{}\n   543→\tif err := c.kubeClient.Get(ctx, client.ObjectKey{\n   544→\t\tName: nodeClassName,\n   545→\t}, nodeClass); err != nil {\n   546→\t\treturn nil, fmt.Errorf(\"failed to get nodeclass %s: %w\", nodeClassName, err)\n   547→\t}\n   548→\n   549→\treturn nodeClass, nil\n   550→}\n   551→\n   552→// inferModeFromNode attempts to infer the deployment mode from node characteristics\n   553→func (c *Controller) inferModeFromNode(node *v1.Node) types.ProviderMode {\n   554→\t// Check for IKS-specific labels or annotations\n   555→\tif _, exists := node.Labels[\"ibm-cloud.kubernetes.io/iks-cluster-id\"]; exists {\n   556→\t\treturn types.IKSMode\n   557→\t}\n   558→\tif _, exists := node.Annotations[\"ibm-cloud.kubernetes.io/iks-worker-pool\"]; exists {\n   559→\t\treturn types.IKSMode\n   560→\t}\n   561→\n   562→\t// Check provider ID format\n   563→\tif strings.Contains(node.Spec.ProviderID, \"iks://\") {\n   564→\t\treturn types.IKSMode\n   565→\t}\n   566→\n   567→\t// Default to VPC mode\n   568→\treturn types.VPCMode\n   569→}\n   570→\n   571→func (c *Controller) Register(_ context.Context, m manager.Manager) error {\n   572→\treturn builder.ControllerManagedBy(m).\n   573→\t\tFor(&v1.Node{}).\n   574→\t\tComplete(singleton.AsReconciler(c))\n   575→}\n   576→"}]},"uuid":"94ef9031-96a7-4003-8fd0-49184ead60b2","timestamp":"2026-02-28T15:00:57.289Z"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"93679b14-11c9-4cb0-9bdc-628155009cea","timestamp":"2026-02-28T15:00:57.334Z"}
{"parentUuid":"93679b14-11c9-4cb0-9bdc-628155009cea","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"assistant","timestamp":"2026-02-28T15:01:03.543Z","message":{"model":"claude-sonnet-4-6","id":"msg_01VDVAYuVZmrvU19EA3DjcpX","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_016J8ceVpMxwNfPWpnZCekUG","name":"Read","input":{"file_path":"/home/josie/.claude/projects/-home-josie-development-kubernetes-karpenter-ibm/373fe3e0-7a5e-4df7-8926-717aecb51f1d/tool-results/toolu_01MHxktLafp7ZdfzkHd98Kvy.txt","offset":1,"limit":500},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":13663,"cache_read_input_tokens":46620,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":13663},"output_tokens":4,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"requestId":"req_011CYafg4VKChVY6XYDTWf3b","uuid":"8823dba7-0220-498d-96a1-b3af6e8d1110"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"ec0d25d5-2aa2-4bf5-b8ff-f341131d13af","timestamp":"2026-02-28T15:01:03.543Z"}
{"parentUuid":"ec0d25d5-2aa2-4bf5-b8ff-f341131d13af","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_016J8ceVpMxwNfPWpnZCekUG","type":"tool_result","content":"     1→     1→/*\n     2→     2→Copyright The Kubernetes Authors.\n     3→     3→\n     4→     4→Licensed under the Apache License, Version 2.0 (the \"License\");\n     5→     5→you may not use this file except in compliance with the License.\n     6→     6→You may obtain a copy of the License at\n     7→     7→\n     8→     8→    http://www.apache.org/licenses/LICENSE-2.0\n     9→     9→\n    10→    10→Unless required by applicable law or agreed to in writing, software\n    11→    11→distributed under the License is distributed on an \"AS IS\" BASIS,\n    12→    12→WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n    13→    13→See the License for the specific language governing permissions and\n    14→    14→limitations under the License.\n    15→    15→*/\n    16→    16→\n    17→    17→package instance\n    18→    18→\n    19→    19→import (\n    20→    20→\t\"context\"\n    21→    21→\t\"encoding/json\"\n    22→    22→\t\"fmt\"\n    23→    23→\t\"os\"\n    24→    24→\t\"strings\"\n    25→    25→\t\"time\"\n    26→    26→\n    27→    27→\t\"github.com/IBM/go-sdk-core/v5/core\"\n    28→    28→\t\"github.com/IBM/vpc-go-sdk/vpcv1\"\n    29→    29→\t\"github.com/go-logr/logr\"\n    30→    30→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/cache\"\n    31→    31→\tcorev1 \"k8s.io/api/core/v1\"\n    32→    32→\tmetav1 \"k8s.io/apimachinery/pkg/apis/meta/v1\"\n    33→    33→\t\"k8s.io/apimachinery/pkg/types\"\n    34→    34→\t\"k8s.io/client-go/kubernetes\"\n    35→    35→\t\"k8s.io/client-go/rest\"\n    36→    36→\t\"sigs.k8s.io/controller-runtime/pkg/client\"\n    37→    37→\t\"sigs.k8s.io/controller-runtime/pkg/log\"\n    38→    38→\tkarpv1 \"sigs.k8s.io/karpenter/pkg/apis/v1\"\n    39→    39→\t\"sigs.k8s.io/karpenter/pkg/cloudprovider\"\n    40→    40→\n    41→    41→\t\"github.com/IBM/platform-services-go-sdk/resourcemanagerv2\"\n    42→    42→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/apis/v1alpha1\"\n    43→    43→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/cloudprovider/ibm\"\n    44→    44→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/constants\"\n    45→    45→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/metrics\"\n    46→    46→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/providers/common/image\"\n    47→    47→\tcommonTypes \"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/providers/common/types\"\n    48→    48→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/providers/vpc/bootstrap\"\n    49→    49→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/providers/vpc/subnet\"\n    50→    50→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/utils/vpcclient\"\n    51→    51→\t\"github.com/kubernetes-sigs/karpenter-provider-ibm-cloud/pkg/version\"\n    52→    52→)\n    53→    53→\n    54→    54→type QuotaInfo struct {\n    55→    55→\tInstanceUtilization float64\n    56→    56→\tVCPUUtilization     float64\n    57→    57→}\n    58→    58→\n    59→    59→// VPCInstanceProvider implements VPC-specific instance provisioning\n    60→    60→type VPCInstanceProvider struct {\n    61→    61→\tclient                 *ibm.Client\n    62→    62→\tkubeClient             client.Client\n    63→    63→\tk8sClient              kubernetes.Interface\n    64→    64→\tbootstrapProvider      *bootstrap.VPCBootstrapProvider\n    65→    65→\tsubnetProvider         subnet.Provider\n    66→    66→\tvpcClientManager       *vpcclient.Manager\n    67→    67→\tresourceManagerService *resourcemanagerv2.ResourceManagerV2\n    68→    68→\tinstanceCache          *cache.Cache\n    69→    69→}\n    70→    70→\n    71→    71→// Option configures the VPCInstanceProvider\n    72→    72→type Option func(*VPCInstanceProvider) error\n    73→    73→\n    74→    74→// WithKubernetesClient sets the Kubernetes client for the provider\n    75→    75→func WithKubernetesClient(k8sClient kubernetes.Interface) Option {\n    76→    76→\treturn func(p *VPCInstanceProvider) error {\n    77→    77→\t\tif k8sClient == nil {\n    78→    78→\t\t\treturn fmt.Errorf(\"kubernetes client cannot be nil when provided\")\n    79→    79→\t\t}\n    80→    80→\t\tp.k8sClient = k8sClient\n    81→    81→\t\t// Create bootstrap provider immediately with proper dependency injection\n    82→    82→\t\tp.bootstrapProvider = bootstrap.NewVPCBootstrapProvider(p.client, k8sClient, p.kubeClient)\n    83→    83→\t\t// Set Kubernetes client on subnet provider for cluster awareness\n    84→    84→\t\tp.subnetProvider.SetKubernetesClient(k8sClient)\n    85→    85→\t\treturn nil\n    86→    86→\t}\n    87→    87→}\n    88→    88→\n    89→    89→// WithBootstrapProvider sets a custom bootstrap provider\n    90→    90→func WithBootstrapProvider(bootstrapProvider *bootstrap.VPCBootstrapProvider) Option {\n    91→    91→\treturn func(p *VPCInstanceProvider) error {\n    92→    92→\t\tif bootstrapProvider == nil {\n    93→    93→\t\t\treturn fmt.Errorf(\"bootstrap provider cannot be nil when provided\")\n    94→    94→\t\t}\n    95→    95→\t\tp.bootstrapProvider = bootstrapProvider\n    96→    96→\t\treturn nil\n    97→    97→\t}\n    98→    98→}\n    99→    99→\n   100→   100→// WithVPCClientManager sets a custom VPC client manager\n   101→   101→func WithVPCClientManager(manager *vpcclient.Manager) Option {\n   102→   102→\treturn func(p *VPCInstanceProvider) error {\n   103→   103→\t\tif manager == nil {\n   104→   104→\t\t\treturn fmt.Errorf(\"VPC client manager cannot be nil when provided\")\n   105→   105→\t\t}\n   106→   106→\t\tp.vpcClientManager = manager\n   107→   107→\t\treturn nil\n   108→   108→\t}\n   109→   109→}\n   110→   110→\n   111→   111→// WithInstanceCache sets a custom instance cache (for testing)\n   112→   112→func WithInstanceCache(c *cache.Cache) Option {\n   113→   113→\treturn func(p *VPCInstanceProvider) error {\n   114→   114→\t\tif c == nil {\n   115→   115→\t\t\treturn fmt.Errorf(\"instance cache cannot be nil when provided\")\n   116→   116→\t\t}\n   117→   117→\t\tp.instanceCache = c\n   118→   118→\t\treturn nil\n   119→   119→\t}\n   120→   120→}\n   121→   121→\n   122→   122→// NewVPCInstanceProvider creates a new VPC instance provider with optional configuration\n   123→   123→func NewVPCInstanceProvider(client *ibm.Client, kubeClient client.Client, opts ...Option) (commonTypes.VPCInstanceProvider, error) {\n   124→   124→\tif client == nil {\n   125→   125→\t\treturn nil, fmt.Errorf(\"IBM client cannot be nil\")\n   126→   126→\t}\n   127→   127→\tif kubeClient == nil {\n   128→   128→\t\treturn nil, fmt.Errorf(\"kubernetes client cannot be nil\")\n   129→   129→\t}\n   130→   130→\n   131→   131→\t// Create base provider with defaults\n   132→   132→\tprovider := &VPCInstanceProvider{\n   133→   133→\t\tclient:                 client,\n   134→   134→\t\tkubeClient:             kubeClient,\n   135→   135→\t\tk8sClient:              nil, // Will be set via options if provided\n   136→   136→\t\tbootstrapProvider:      nil, // Will be lazily initialized or set via options\n   137→   137→\t\tsubnetProvider:         subnet.NewProvider(client),\n   138→   138→\t\tvpcClientManager:       vpcclient.NewManager(client, constants.DefaultVPCClientCacheTTL),\n   139→   139→\t\tresourceManagerService: nil, // Will be initialized after applying options\n   140→   140→\t\tinstanceCache:          cache.New(constants.DefaultVPCClientCacheTTL),\n   141→   141→\t}\n   142→   142→\n   143→   143→\t// Apply options\n   144→   144→\tfor _, opt := range opts {\n   145→   145→\t\tif err := opt(provider); err != nil {\n   146→   146→\t\t\treturn nil, fmt.Errorf(\"applying option: %w\", err)\n   147→   147→\t\t}\n   148→   148→\t}\n   149→   149→\n   150→   150→\t// Create Resource Manager service if not provided via options\n   151→   151→\tif provider.resourceManagerService == nil {\n   152→   152→\t\tapiKey := os.Getenv(\"IBMCLOUD_API_KEY\")\n   153→   153→\t\tif apiKey == \"\" {\n   154→   154→\t\t\treturn nil, fmt.Errorf(\"IBMCLOUD_API_KEY environment variable is required\")\n   155→   155→\t\t}\n   156→   156→\n   157→   157→\t\tauthenticator := &core.IamAuthenticator{\n   158→   158→\t\t\tApiKey: apiKey,\n   159→   159→\t\t}\n   160→   160→\t\tresourceManagerServiceOptions := &resourcemanagerv2.ResourceManagerV2Options{\n   161→   161→\t\t\tAuthenticator: authenticator,\n   162→   162→\t\t}\n   163→   163→\t\tresourceManagerService, err := resourcemanagerv2.NewResourceManagerV2(resourceManagerServiceOptions)\n   164→   164→\t\tif err != nil {\n   165→   165→\t\t\treturn nil, fmt.Errorf(\"failed to create resource manager service: %w\", err)\n   166→   166→\t\t}\n   167→   167→\t\tprovider.resourceManagerService = resourceManagerService\n   168→   168→\t}\n   169→   169→\n   170→   170→\treturn provider, nil\n   171→   171→}\n   172→   172→\n   173→   173→// Deprecated: Use NewVPCInstanceProvider with WithKubernetesClient option instead\n   174→   174→// NewVPCInstanceProviderWithKubernetesClient creates a new VPC instance provider with kubernetes client\n   175→   175→func NewVPCInstanceProviderWithKubernetesClient(client *ibm.Client, kubeClient client.Client, kubernetesClient kubernetes.Interface) (commonTypes.VPCInstanceProvider, error) {\n   176→   176→\treturn NewVPCInstanceProvider(client, kubeClient, WithKubernetesClient(kubernetesClient))\n   177→   177→}\n   178→   178→\n   179→   179→// Create provisions a new VPC instance\n   180→   180→func (p *VPCInstanceProvider) Create(ctx context.Context, nodeClaim *karpv1.NodeClaim, instanceTypes []*cloudprovider.InstanceType) (*corev1.Node, error) {\n   181→   181→\tlogger := log.FromContext(ctx)\n   182→   182→\n   183→   183→\t// Start timing for provisioning duration\n   184→   184→\tstart := time.Now()\n   185→   185→\tvar instanceType string\n   186→   186→\tif len(instanceTypes) > 0 {\n   187→   187→\t\tinstanceType = instanceTypes[0].Name\n   188→   188→\t}\n   189→   189→\n   190→   190→\tif p.kubeClient == nil {\n   191→   191→\t\treturn nil, fmt.Errorf(\"kubernetes client not set\")\n   192→   192→\t}\n   193→   193→\n   194→   194→\t// Get the NodeClass to extract configuration\n   195→   195→\tnodeClass := &v1alpha1.IBMNodeClass{}\n   196→   196→\tif getErr := p.kubeClient.Get(ctx, types.NamespacedName{Name: nodeClaim.Spec.NodeClassRef.Name}, nodeClass); getErr != nil {\n   197→   197→\t\treturn nil, fmt.Errorf(\"getting NodeClass %s: %w\", nodeClaim.Spec.NodeClassRef.Name, getErr)\n   198→   198→\t}\n   199→   199→\n   200→   200→\tvpcClient, err := p.vpcClientManager.GetVPCClient(ctx)\n   201→   201→\tif err != nil {\n   202→   202→\t\tmetrics.ErrorsByType.WithLabelValues(\"vpc_client_error\", \"instance_provider\", nodeClass.Spec.Region).Inc()\n   203→   203→\t\treturn nil, err\n   204→   204→\t}\n   205→   205→\n   206→   206→\t// Select an instance type from the compatible types provided by Karpenter\n   207→   207→\tif len(instanceTypes) == 0 {\n   208→   208→\t\treturn nil, fmt.Errorf(\"no compatible instance types provided for nodeclaim %s\", nodeClaim.Name)\n   209→   209→\t}\n   210→   210→\n   211→   211→\t// Use the first compatible instance type (Karpenter has already ranked them by preference)\n   212→   212→\tselectedInstanceType := instanceTypes[0]\n   213→   213→\tif selectedInstanceType == nil {\n   214→   214→\t\treturn nil, fmt.Errorf(\"first instance type in slice is nil for nodeclaim %s, available types: %d\", nodeClaim.Name, len(instanceTypes))\n   215→   215→\t}\n   216→   216→\n   217→   217→\tinstanceProfile := selectedInstanceType.Name\n   218→   218→\tif instanceProfile == \"\" {\n   219→   219→\t\treturn nil, fmt.Errorf(\"selected instance type has empty name: %+v, available types: %d. \"+\n   220→   220→\t\t\t\"This will cause IBM VPC oneOf constraint errors. \"+\n   221→   221→\t\t\t\"Ensure IBMNodeClass has a valid instanceProfile specified\", selectedInstanceType, len(instanceTypes))\n   222→   222→\t}\n   223→   223→\n   224→   224→\t// Additional validation for oneOf constraint compliance\n   225→   225→\tif strings.TrimSpace(instanceProfile) == \"\" {\n   226→   226→\t\treturn nil, fmt.Errorf(\"instance profile is empty or whitespace-only: '%s'. \"+\n   227→   227→\t\t\t\"This will cause IBM VPC oneOf constraint validation to fail\", instanceProfile)\n   228→   228→\t}\n   229→   229→\n   230→   230→\tlogger.Info(\"Selected instance type\",\n   231→   231→\t\t\"instanceType\", instanceProfile,\n   232→   232→\t\t\"availableTypes\", len(instanceTypes),\n   233→   233→\t\t\"selectedInstanceTypeDetails\", fmt.Sprintf(\"%+v\", selectedInstanceType),\n   234→   234→\t\t\"nodeClaim\", nodeClaim.Name)\n   235→   235→\n   236→   236→\t// Determine zone and subnet - support both explicit and dynamic selection\n   237→   237→\tzone := nodeClass.Spec.Zone\n   238→   238→\tsubnet := nodeClass.Spec.Subnet\n   239→   239→\n   240→   240→\tif zone == \"\" && subnet == \"\" {\n   241→   241→\t\t// Neither zone nor subnet specified - use placement strategy for multi-AZ\n   242→   242→\t\tif nodeClass.Spec.PlacementStrategy == nil {\n   243→   243→\t\t\treturn nil, fmt.Errorf(\"zone selection requires either explicit zone/subnet or placement strategy\")\n   244→   244→\t\t}\n   245→   245→\n   246→   246→\t\t// First, check if the controller has already selected subnets for us\n   247→   247→\t\tif len(nodeClass.Status.SelectedSubnets) > 0 {\n   248→   248→\t\t\t// Use pre-selected subnets from the autoplacement controller\n   249→   249→\t\t\tselectedSubnetID := p.selectSubnetFromStatusList(nodeClass.Status.SelectedSubnets)\n   250→   250→\n   251→   251→\t\t\t// Get subnet info to retrieve zone\n   252→   252→\t\t\tsubnetInfo, subnetErr := p.subnetProvider.GetSubnet(ctx, selectedSubnetID)\n   253→   253→\t\t\tif subnetErr != nil {\n   254→   254→\t\t\t\treturn nil, fmt.Errorf(\"getting subnet info for selected subnet %s: %w\", selectedSubnetID, subnetErr)\n   255→   255→\t\t\t}\n   256→   256→\n   257→   257→\t\t\tzone = subnetInfo.Zone\n   258→   258→\t\t\tsubnet = selectedSubnetID\n   259→   259→\n   260→   260→\t\t\tlogger.Info(\"Used pre-selected subnet from status\",\n   261→   261→\t\t\t\t\"zone\", zone, \"subnet\", subnet, \"selectedSubnets\", nodeClass.Status.SelectedSubnets)\n   262→   262→\t\t} else {\n   263→   263→\t\t\t// Fallback: Select subnets directly if status not populated\n   264→   264→\t\t\t// This handles backward compatibility and cases where autoplacement controller hasn't run yet\n   265→   265→\t\t\tselectedSubnets, selectErr := p.subnetProvider.SelectSubnets(ctx, nodeClass.Spec.VPC, nodeClass.Spec.PlacementStrategy)\n   266→   266→\t\t\tif selectErr != nil {\n   267→   267→\t\t\t\treturn nil, fmt.Errorf(\"selecting subnets with placement strategy: %w\", selectErr)\n   268→   268→\t\t\t}\n   269→   269→\n   270→   270→\t\t\tif len(selectedSubnets) == 0 {\n   271→   271→\t\t\t\treturn nil, fmt.Errorf(\"no subnets selected by placement strategy\")\n   272→   272→\t\t\t}\n   273→   273→\n   274→   274→\t\t\t// Select subnet using round-robin across zones for balanced distribution\n   275→   275→\t\t\tselectedSubnet := p.selectSubnetFromMultiZoneList(selectedSubnets)\n   276→   276→\t\t\tzone = selectedSubnet.Zone\n   277→   277→\t\t\tsubnet = selectedSubnet.ID\n   278→   278→\n   279→   279→\t\t\tlogger.Info(\"Selected zone and subnet using placement strategy (fallback)\",\n   280→   280→\t\t\t\t\"zone\", zone, \"subnet\", subnet, \"strategy\", nodeClass.Spec.PlacementStrategy.ZoneBalance)\n   281→   281→\t\t}\n   282→   282→\n   283→   283→\t} else if zone == \"\" && subnet != \"\" {\n   284→   284→\t\t// Subnet specified but no zone - derive zone from subnet\n   285→   285→\t\tsubnetInfo, subnetErr := p.subnetProvider.GetSubnet(ctx, subnet)\n   286→   286→\t\tif subnetErr != nil {\n   287→   287→\t\t\treturn nil, fmt.Errorf(\"getting subnet info for zone derivation: %w\", subnetErr)\n   288→   288→\t\t}\n   289→   289→\t\tzone = subnetInfo.Zone\n   290→   290→\t\tlogger.Info(\"Derived zone from subnet\", \"zone\", zone, \"subnet\", subnet)\n   291→   291→\n   292→   292→\t} else if zone != \"\" && subnet == \"\" {\n   293→   293→\t\t// Zone specified but no subnet - select subnet within zone\n   294→   294→\t\tallSubnets, listErr := p.subnetProvider.ListSubnets(ctx, nodeClass.Spec.VPC)\n   295→   295→\t\tif listErr != nil {\n   296→   296→\t\t\treturn nil, fmt.Errorf(\"listing subnets for zone-based selection: %w\", listErr)\n   297→   297→\t\t}\n   298→   298→\n   299→   299→\t\t// Find best subnet in the specified zone\n   300→   300→\t\tvar bestSubnetID string\n   301→   301→\t\tvar bestSubnetAvailableIPs int32 = -1\n   302→   302→\t\tfor _, s := range allSubnets {\n   303→   303→\t\t\tif s.Zone == zone && s.State == \"available\" {\n   304→   304→\t\t\t\tif s.AvailableIPs > bestSubnetAvailableIPs {\n   305→   305→\t\t\t\t\tbestSubnetID = s.ID\n   306→   306→\t\t\t\t\tbestSubnetAvailableIPs = s.AvailableIPs\n   307→   307→\t\t\t\t}\n   308→   308→\t\t\t}\n   309→   309→\t\t}\n   310→   310→\n   311→   311→\t\tif bestSubnetID == \"\" {\n   312→   312→\t\t\treturn nil, fmt.Errorf(\"no available subnet found in zone %s\", zone)\n   313→   313→\t\t}\n   314→   314→\n   315→   315→\t\tsubnet = bestSubnetID\n   316→   316→\t\tlogger.Info(\"Selected subnet within specified zone\", \"zone\", zone, \"subnet\", subnet)\n   317→   317→\t}\n   318→   318→\n   319→   319→\t// Both zone and subnet specified - use them directly (existing behavior)\n   320→   320→\tif zone == \"\" || subnet == \"\" {\n   321→   321→\t\treturn nil, fmt.Errorf(\"both zone and subnet must be specified\")\n   322→   322→\t}\n   323→   323→\n   324→   324→\tlogger.Info(\"Initiated VPC instance creation with VNI\", \"instance_profile\", instanceProfile, \"zone\", zone, \"subnet\", subnet)\n   325→   325→\n   326→   326→\t// Create virtual network interface for proper VPC service network access\n   327→   327→\tvniPrototype := &vpcv1.InstanceNetworkAttachmentPrototypeVirtualNetworkInterfaceVirtualNetworkInterfacePrototypeInstanceNetworkAttachmentContext{\n   328→   328→\t\tSubnet: &vpcv1.SubnetIdentityByID{\n   329→   329→\t\t\tID: &subnet,\n   330→   330→\t\t},\n   331→   331→\t\t// Enable infrastructure NAT for proper VPC service network routing\n   332→   332→\t\tEnableInfrastructureNat: &[]bool{true}[0],\n   333→   333→\t\t// Allow IP spoofing set to false for security\n   334→   334→\t\tAllowIPSpoofing: &[]bool{false}[0],\n   335→   335→\t\t// Set protocol state filtering to auto for proper instance network attachment\n   336→   336→\t\tProtocolStateFilteringMode: &[]string{\"auto\"}[0],\n   337→   337→\t\t// Set explicit name\n   338→   338→\t\tName: &[]string{fmt.Sprintf(\"%s-vni\", nodeClaim.Name)}[0],\n   339→   339→\t\t// Auto-delete when instance is deleted\n   340→   340→\t\tAutoDelete: &[]bool{true}[0],\n   341→   341→\t}\n   342→   342→\n   343→   343→\t// Add resource group to VNI (required for oneOf validation)\n   344→   344→\t// The VNI prototype requires a resource group to satisfy oneOf constraint\n   345→   345→\tif nodeClass.Spec.ResourceGroup != \"\" {\n   346→   346→\t\tresourceGroupID, rgErr := p.resolveResourceGroupID(ctx, nodeClass.Spec.ResourceGroup)\n   347→   347→\t\tif rgErr != nil {\n   348→   348→\t\t\treturn nil, fmt.Errorf(\"resolving resource group for VNI %s: %w\", nodeClass.Spec.ResourceGroup, rgErr)\n   349→   349→\t\t}\n   350→   350→\t\tvniPrototype.ResourceGroup = &vpcv1.ResourceGroupIdentityByID{\n   351→   351→\t\t\tID: &resourceGroupID,\n   352→   352→\t\t}\n   353→   353→\t\tlogger.Info(\"VNI resource group set\", \"input\", nodeClass.Spec.ResourceGroup, \"resolved_id\", resourceGroupID)\n   354→   354→\t} else {\n   355→   355→\t\t// If no resource group specified, the VNI will use the account default\n   356→   356→\t\t// This satisfies the oneOf constraint by explicitly not setting the ResourceGroup field\n   357→   357→\t\tlogger.Info(\"Used account default for VNI as no resource group was specified\")\n   358→   358→\t}\n   359→   359→\n   360→   360→\tvar actualSecurityGroups []string\n   361→   361→\n   362→   362→\t// Add security groups if specified, otherwise use default\n   363→   363→\tif len(nodeClass.Spec.SecurityGroups) > 0 {\n   364→   364→\t\tvar securityGroups []vpcv1.SecurityGroupIdentityIntf\n   365→   365→\t\tfor _, sg := range nodeClass.Spec.SecurityGroups {\n   366→   366→\t\t\tsecurityGroups = append(securityGroups, &vpcv1.SecurityGroupIdentityByID{ID: &sg})\n   367→   367→\t\t}\n   368→   368→\t\tvniPrototype.SecurityGroups = securityGroups\n   369→   369→\t\tactualSecurityGroups = nodeClass.Spec.SecurityGroups\n   370→   370→\t\tlogger.Info(\"Applied security groups to VNI\", \"security_groups\", nodeClass.Spec.SecurityGroups, \"count\", len(securityGroups))\n   371→   371→\t} else {\n   372→   372→\t\t// Get default security group for VPC\n   373→   373→\t\tdefaultSG, sgErr := vpcClient.GetDefaultSecurityGroup(ctx, nodeClass.Spec.VPC)\n   374→   374→\t\tif sgErr != nil {\n   375→   375→\t\t\treturn nil, fmt.Errorf(\"getting default security group for VPC %s: %w\", nodeClass.Spec.VPC, sgErr)\n   376→   376→\t\t}\n   377→   377→\t\tvniPrototype.SecurityGroups = []vpcv1.SecurityGroupIdentityIntf{\n   378→   378→\t\t\t&vpcv1.SecurityGroupIdentityByID{ID: defaultSG.ID},\n   379→   379→\t\t}\n   380→   380→\t\tactualSecurityGroups = []string{*defaultSG.ID}\n   381→   381→\t\tlogger.Info(\"Used default security group for VNI\", \"security_group\", *defaultSG.ID)\n   382→   382→\t}\n   383→   383→\n   384→   384→\t// Create primary network attachment with VNI\n   385→   385→\t// VPC resource names have a max length of 63 characters\n   386→   386→\t// The suffix \"-primary\" is 8 chars, leaving 55 chars for the nodeclaim name\n   387→   387→\tattachmentName := nodeClaim.Name\n   388→   388→\tif len(attachmentName) > 55 {\n   389→   389→\t\tattachmentName = attachmentName[:55]\n   390→   390→\t}\n   391→   391→\tprimaryNetworkAttachment := &vpcv1.InstanceNetworkAttachmentPrototype{\n   392→   392→\t\tName:                    &[]string{fmt.Sprintf(\"%s-primary\", attachmentName)}[0],\n   393→   393→\t\tVirtualNetworkInterface: vniPrototype,\n   394→   394→\t}\n   395→   395→\n   396→   396→\t// Resolve image identifier to image ID\n   397→   397→\t// First, try to use the cached resolved image from NodeClass status (populated by status controller)\n   398→   398→\t// This eliminates duplicate VPC API calls and ensures consistency\n   399→   399→\tvar imageID string\n   400→   400→\n   401→   401→\tif nodeClass.Status.ResolvedImageID != \"\" {\n   402→   402→\t\t// Use cached resolved image from status\n   403→   403→\t\timageID = nodeClass.Status.ResolvedImageID\n   404→   404→\t\tlogger.Info(\"Used cached resolved image from NodeClass status\",\n   405→   405→\t\t\t\"resolvedImageID\", imageID,\n   406→   406→\t\t\t\"hasImageSelector\", nodeClass.Spec.ImageSelector != nil,\n   407→   407→\t\t\t\"hasExplicitImage\", nodeClass.Spec.Image != \"\")\n   408→   408→\t} else {\n   409→   409→\t\t// Fall back to inline resolution for backwards compatibility\n   410→   410→\t\t// This handles cases where status controller hasn't populated the field yet\n   411→   411→\t\tlogger.V(1).Info(\"NodeClass status does not have cached resolved image, performing inline resolution\")\n   412→   412→\n   413→   413→\t\timageResolver := image.NewResolver(vpcClient, nodeClass.Spec.Region, logger)\n   414→   414→\n   415→   415→\t\t// Use explicit image if specified, otherwise use imageSelector\n   416→   416→\t\tif nodeClass.Spec.Image != \"\" {\n   417→   417→\t\t\tlogger.Info(\"Resolved explicit image inline\", \"image\", nodeClass.Spec.Image)\n   418→   418→\t\t\timageID, err = imageResolver.ResolveImage(ctx, nodeClass.Spec.Image)\n   419→   419→\t\t\tif err != nil {\n   420→   420→\t\t\t\tlogger.Error(err, \"Failed to resolve explicit image\", \"image\", nodeClass.Spec.Image)\n   421→   421→\t\t\t\treturn nil, fmt.Errorf(\"resolving image %s: %w\", nodeClass.Spec.Image, err)\n   422→   422→\t\t\t}\n   423→   423→\t\t\tlogger.Info(\"Successfully resolved explicit image inline\", \"image\", nodeClass.Spec.Image, \"imageID\", imageID)\n   424→   424→\t\t} else if nodeClass.Spec.ImageSelector != nil {\n   425→   425→\t\t\tlogger.Info(\"Resolved image using selector inline\",\n   426→   426→\t\t\t\t\"os\", nodeClass.Spec.ImageSelector.OS,\n   427→   427→\t\t\t\t\"majorVersion\", nodeClass.Spec.ImageSelector.MajorVersion,\n   428→   428→\t\t\t\t\"minorVersion\", nodeClass.Spec.ImageSelector.MinorVersion,\n   429→   429→\t\t\t\t\"architecture\", nodeClass.Spec.ImageSelector.Architecture,\n   430→   430→\t\t\t\t\"variant\", nodeClass.Spec.ImageSelector.Variant)\n   431→   431→\t\t\timageID, err = imageResolver.ResolveImageBySelector(ctx, nodeClass.Spec.ImageSelector)\n   432→   432→\t\t\tif err != nil {\n   433→   433→\t\t\t\tlogger.Error(err, \"Failed to resolve image using selector\",\n   434→   434→\t\t\t\t\t\"os\", nodeClass.Spec.ImageSelector.OS,\n   435→   435→\t\t\t\t\t\"majorVersion\", nodeClass.Spec.ImageSelector.MajorVersion,\n   436→   436→\t\t\t\t\t\"minorVersion\", nodeClass.Spec.ImageSelector.MinorVersion,\n   437→   437→\t\t\t\t\t\"architecture\", nodeClass.Spec.ImageSelector.Architecture,\n   438→   438→\t\t\t\t\t\"variant\", nodeClass.Spec.ImageSelector.Variant)\n   439→   439→\t\t\t\treturn nil, fmt.Errorf(\"resolving image using selector (os=%s, majorVersion=%s, minorVersion=%s, architecture=%s, variant=%s): %w\",\n   440→   440→\t\t\t\t\tnodeClass.Spec.ImageSelector.OS,\n   441→   441→\t\t\t\t\tnodeClass.Spec.ImageSelector.MajorVersion,\n   442→   442→\t\t\t\t\tnodeClass.Spec.ImageSelector.MinorVersion,\n   443→   443→\t\t\t\t\tnodeClass.Spec.ImageSelector.Architecture,\n   444→   444→\t\t\t\t\tnodeClass.Spec.ImageSelector.Variant,\n   445→   445→\t\t\t\t\terr)\n   446→   446→\t\t\t}\n   447→   447→\t\t\tlogger.Info(\"Successfully resolved image using selector inline\",\n   448→   448→\t\t\t\t\"os\", nodeClass.Spec.ImageSelector.OS,\n   449→   449→\t\t\t\t\"majorVersion\", nodeClass.Spec.ImageSelector.MajorVersion,\n   450→   450→\t\t\t\t\"minorVersion\", nodeClass.Spec.ImageSelector.MinorVersion,\n   451→   451→\t\t\t\t\"architecture\", nodeClass.Spec.ImageSelector.Architecture,\n   452→   452→\t\t\t\t\"variant\", nodeClass.Spec.ImageSelector.Variant,\n   453→   453→\t\t\t\t\"resolvedImageID\", imageID)\n   454→   454→\t\t} else {\n   455→   455→\t\t\tlogger.Error(nil, \"Neither image nor imageSelector specified in NodeClass\")\n   456→   456→\t\t\treturn nil, fmt.Errorf(\"neither image nor imageSelector specified in NodeClass\")\n   457→   457→\t\t}\n   458→   458→\t}\n   459→   459→\n   460→   460→\t// Validate the resolved imageID is not empty\n   461→   461→\tif imageID == \"\" {\n   462→   462→\t\tlogger.Error(nil, \"Image resolution returned empty imageID\",\n   463→   463→\t\t\t\"hasImage\", nodeClass.Spec.Image != \"\",\n   464→   464→\t\t\t\"hasImageSelector\", nodeClass.Spec.ImageSelector != nil,\n   465→   465→\t\t\t\"hasStatusResolvedImage\", nodeClass.Status.ResolvedImageID != \"\",\n   466→   466→\t\t\t\"explicitImage\", nodeClass.Spec.Image)\n   467→   467→\t\treturn nil, fmt.Errorf(\"image resolution returned empty imageID\")\n   468→   468→\t}\n   469→   469→\n   470→   470→\t// Create boot volume attachment based on block device mappings or use default\n   471→   471→\tbootVolumeAttachment, additionalVolumes, err := p.buildVolumeAttachments(nodeClass, nodeClaim.Name, nodeClass.Spec.Zone)\n   472→   472→\tif err != nil {\n   473→   473→\t\treturn nil, fmt.Errorf(\"building volume attachments: %w\", err)\n   474→   474→\t}\n   475→   475→\n   476→   476→\t// Debug log the instance profile value before VPC instance creation\n   477→   477→\tlogger.V(1).Info(\"Logged VPC instance creation profile details\",\n   478→   478→\t\t\"instanceProfile\", instanceProfile,\n   479→   479→\t\t\"instanceProfile-ptr\", &instanceProfile,\n   480→   480→\t\t\"instanceProfile-empty\", instanceProfile == \"\",\n   481→   481→\t\t\"selectedInstanceType\", selectedInstanceType.Name,\n   482→   482→\t\t\"selectedInstanceType-ptr\", &selectedInstanceType.Name,\n   483→   483→\t\t\"availableTypes\", len(instanceTypes))\n   484→   484→\n   485→   485→\tsdkClient, ok := vpcClient.GetSDKClient().(*vpcv1.VpcV1)\n   486→   486→\tif !ok {\n   487→   487→\t\treturn nil, fmt.Errorf(\"failed to get VPC SDK client for builder function\")\n   488→   488→\t}\n   489→   489→\n   490→   490→\t// Use the SDK builder to create the prototype with required fields\n   491→   491→\tinstancePrototype, err := sdkClient.NewInstancePrototypeInstanceByImageInstanceByImageInstanceByNetworkAttachment(\n   492→   492→\t\t&vpcv1.ImageIdentityByID{ID: &imageID},\n   493→   493→\t\t&vpcv1.ZoneIdentityByName{Name: &zone},\n   494→   494→\t\tprimaryNetworkAttachment,\n   495→   495→\t)\n   496→   496→\tif err != nil {\n   497→   497→\t\treturn nil, fmt.Errorf(\"creating instance prototype with SDK builder: %w\", err)\n   498→   498→\t}\n   499→   499→\n   500→   500→\t// Set additional optional fields"}]},"uuid":"9180b1fe-6186-4dae-aaf7-128595cb5ebc","timestamp":"2026-02-28T15:01:03.582Z"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"752c2538-bd87-4325-a0a9-a8df9a1f46b9","timestamp":"2026-02-28T15:01:03.642Z"}
{"parentUuid":"752c2538-bd87-4325-a0a9-a8df9a1f46b9","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"assistant","timestamp":"2026-02-28T15:01:08.548Z","message":{"model":"claude-sonnet-4-6","id":"msg_01Q2PLj7z4h7uzrHM5MCuZxf","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01SWWYEi4eLgQmwxVH5qmyVU","name":"Read","input":{"file_path":"/home/josie/.claude/projects/-home-josie-development-kubernetes-karpenter-ibm/373fe3e0-7a5e-4df7-8926-717aecb51f1d/tool-results/toolu_01MHxktLafp7ZdfzkHd98Kvy.txt","offset":500,"limit":500},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":9636,"cache_read_input_tokens":60283,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":9636},"output_tokens":18,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"requestId":"req_011CYafgXTYLVTyDEr8KJ1Sb","uuid":"9756e596-e323-44ce-9005-2d2705158cb8"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"9ac6071f-26e7-4229-a60c-5bb9c8859529","timestamp":"2026-02-28T15:01:08.548Z"}
{"parentUuid":"9ac6071f-26e7-4229-a60c-5bb9c8859529","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01SWWYEi4eLgQmwxVH5qmyVU","type":"tool_result","content":"   500→   500→\t// Set additional optional fields\n   501→   501→\tinstancePrototype.VPC = &vpcv1.VPCIdentityByID{\n   502→   502→\t\tID: &nodeClass.Spec.VPC,\n   503→   503→\t}\n   504→   504→\tinstancePrototype.Name = &nodeClaim.Name\n   505→   505→\tinstancePrototype.Profile = &vpcv1.InstanceProfileIdentityByName{\n   506→   506→\t\tName: &instanceProfile,\n   507→   507→\t}\n   508→   508→\tinstancePrototype.BootVolumeAttachment = bootVolumeAttachment\n   509→   509→\tinstancePrototype.AvailabilityPolicy = &vpcv1.InstanceAvailabilityPolicyPrototype{\n   510→   510→\t\tHostFailure: &[]string{\"restart\"}[0],\n   511→   511→\t}\n   512→   512→\n   513→   513→\t// Add placement target if specified\n   514→   514→\tif nodeClass.Spec.PlacementTarget != \"\" {\n   515→   515→\t\tinstancePrototype.PlacementTarget = &vpcv1.InstancePlacementTargetPrototype{\n   516→   516→\t\t\tID: &nodeClass.Spec.PlacementTarget,\n   517→   517→\t\t}\n   518→   518→\t}\n   519→   519→\n   520→   520→\t// Add resource group if specified\n   521→   521→\tif nodeClass.Spec.ResourceGroup != \"\" {\n   522→   522→\t\tlogger.Info(\"Started instance resource group resolution\",\n   523→   523→\t\t\t\"resourceGroup\", nodeClass.Spec.ResourceGroup,\n   524→   524→\t\t\t\"instanceProfile\", instanceProfile,\n   525→   525→\t\t\t\"selectionType\", \"dynamic\")\n   526→   526→\n   527→   527→\t\tresourceGroupID, rgErr := p.resolveResourceGroupID(ctx, nodeClass.Spec.ResourceGroup)\n   528→   528→\t\tif rgErr != nil {\n   529→   529→\t\t\tlogger.Error(rgErr, \"Instance resource group resolution failed\",\n   530→   530→\t\t\t\t\"resourceGroup\", nodeClass.Spec.ResourceGroup,\n   531→   531→\t\t\t\t\"instanceProfile\", instanceProfile)\n   532→   532→\t\t\treturn nil, fmt.Errorf(\"resolving resource group %s: %w\", nodeClass.Spec.ResourceGroup, rgErr)\n   533→   533→\t\t}\n   534→   534→\n   535→   535→\t\tif resourceGroupID == \"\" {\n   536→   536→\t\t\tlogger.Error(nil, \"Instance resource group resolved to empty string\",\n   537→   537→\t\t\t\t\"resourceGroup\", nodeClass.Spec.ResourceGroup,\n   538→   538→\t\t\t\t\"instanceProfile\", instanceProfile)\n   539→   539→\t\t\treturn nil, fmt.Errorf(\"resource group %s resolved to empty ID\", nodeClass.Spec.ResourceGroup)\n   540→   540→\t\t}\n   541→   541→\n   542→   542→\t\tinstancePrototype.ResourceGroup = &vpcv1.ResourceGroupIdentityByID{\n   543→   543→\t\t\tID: &resourceGroupID,\n   544→   544→\t\t}\n   545→   545→\t\tlogger.Info(\"Instance resource group successfully set\",\n   546→   546→\t\t\t\"input\", nodeClass.Spec.ResourceGroup,\n   547→   547→\t\t\t\"resolved_id\", resourceGroupID,\n   548→   548→\t\t\t\"instanceProfile\", instanceProfile,\n   549→   549→\t\t\t\"instance_has_resource_group\", instancePrototype.ResourceGroup != nil)\n   550→   550→\t}\n   551→   551→\n   552→   552→\t// Add SSH keys if specified\n   553→   553→\tif len(nodeClass.Spec.SSHKeys) > 0 {\n   554→   554→\t\tvar sshKeys []vpcv1.KeyIdentityIntf\n   555→   555→\t\tfor _, key := range nodeClass.Spec.SSHKeys {\n   556→   556→\t\t\tsshKeys = append(sshKeys, &vpcv1.KeyIdentityByID{ID: &key})\n   557→   557→\t\t}\n   558→   558→\t\tinstancePrototype.Keys = sshKeys\n   559→   559→\t}\n   560→   560→\n   561→   561→\t// Generate bootstrap user data using the bootstrap provider with selected instance type\n   562→   562→\tuserData, err := p.generateBootstrapUserDataWithType(ctx, nodeClass, types.NamespacedName{\n   563→   563→\t\tName:      nodeClaim.Name,\n   564→   564→\t\tNamespace: nodeClaim.Namespace,\n   565→   565→\t}, instanceProfile)\n   566→   566→\tif err != nil {\n   567→   567→\t\treturn nil, fmt.Errorf(\"generating bootstrap user data: %w\", err)\n   568→   568→\t}\n   569→   569→\n   570→   570→\t// Set user data\n   571→   571→\tinstancePrototype.UserData = &userData\n   572→   572→\n   573→   573→\t// Add additional volume attachments if specified\n   574→   574→\tif len(additionalVolumes) > 0 {\n   575→   575→\t\tinstancePrototype.VolumeAttachments = additionalVolumes\n   576→   576→\t}\n   577→   577→\n   578→   578→\t// Enable metadata service for instance ID retrieval\n   579→   579→\tinstancePrototype.MetadataService = &vpcv1.InstanceMetadataServicePrototype{\n   580→   580→\t\tEnabled:          &[]bool{true}[0],\n   581→   581→\t\tProtocol:         &[]string{\"http\"}[0],\n   582→   582→\t\tResponseHopLimit: &[]int64{2}[0],\n   583→   583→\t}\n   584→   584→\n   585→   585→\t// Debug logging: COMPREHENSIVE struct validation\n   586→   586→\tlogger.Info(\"Validated VPC instance prototype\",\n   587→   587→\t\t\"instance_name\", nodeClaim.Name,\n   588→   588→\t\t\"instanceProfile\", instanceProfile,\n   589→   589→\t\t\"imageID\", imageID,\n   590→   590→\t\t\"zone\", zone,\n   591→   591→\t\t\"subnet\", subnet,\n   592→   592→\t\t\"vpc\", nodeClass.Spec.VPC,\n   593→   593→\t\t\"PlacementTarget\", nodeClass.Spec.PlacementTarget,\n   594→   594→\t\t// Check all required and optional fields\n   595→   595→\t\t\"hasImage\", instancePrototype.Image != nil,\n   596→   596→\t\t\"hasZone\", instancePrototype.Zone != nil,\n   597→   597→\t\t\"hasProfile\", instancePrototype.Profile != nil,\n   598→   598→\t\t\"hasPrimaryNetworkAttachment\", instancePrototype.PrimaryNetworkAttachment != nil,\n   599→   599→\t\t\"hasVPC\", instancePrototype.VPC != nil,\n   600→   600→\t\t\"hasBootVolumeAttachment\", instancePrototype.BootVolumeAttachment != nil,\n   601→   601→\t\t\"hasPlacementTarget\", instancePrototype.PlacementTarget != nil,\n   602→   602→\t\t\"hasName\", instancePrototype.Name != nil,\n   603→   603→\t\t\"hasAvailabilityPolicy\", instancePrototype.AvailabilityPolicy != nil)\n   604→   604→\n   605→   605→\t// Pre-API call validation to prevent oneOf constraint errors\n   606→   606→\tif instancePrototype.Profile == nil {\n   607→   607→\t\treturn nil, fmt.Errorf(\"CRITICAL: instance prototype Profile field is nil - this violates IBM VPC oneOf constraint requirements\")\n   608→   608→\t}\n   609→   609→\n   610→   610→\t// Validate the profile name in the prototype\n   611→   611→\tif profileIdentity, ok := instancePrototype.Profile.(*vpcv1.InstanceProfileIdentityByName); ok {\n   612→   612→\t\tif profileIdentity.Name == nil || *profileIdentity.Name == \"\" {\n   613→   613→\t\t\treturn nil, fmt.Errorf(\"CRITICAL: instance profile Name is nil or empty in prototype - this violates IBM VPC oneOf constraint requirements\")\n   614→   614→\t\t}\n   615→   615→\t\tlogger.Info(\"Profile validation passed for oneOf compliance\",\n   616→   616→\t\t\t\"profileName\", *profileIdentity.Name,\n   617→   617→\t\t\t\"profileType\", fmt.Sprintf(\"%T\", instancePrototype.Profile))\n   618→   618→\t} else {\n   619→   619→\t\tlogger.Info(\"Logged profile field details for oneOf debugging\",\n   620→   620→\t\t\t\"profileType\", fmt.Sprintf(\"%T\", instancePrototype.Profile),\n   621→   621→\t\t\t\"profileName\", instanceProfile,\n   622→   622→\t\t\t\"profilePtr\", fmt.Sprintf(\"%p\", instancePrototype.Profile))\n   623→   623→\t}\n   624→   624→\n   625→   625→\t// Create the instance\n   626→   626→\tlogger.Info(\"Initiated VPC instance creation\",\n   627→   627→\t\t\"instance_name\", nodeClaim.Name,\n   628→   628→\t\t\"instance_profile\", instanceProfile,\n   629→   629→\t\t\"zone\", zone)\n   630→   630→\n   631→   631→\t// DETAILED REQUEST LOGGING: Log the full instance prototype details\n   632→   632→\tlogger.Info(\"Logged VPC CreateInstance request details\",\n   633→   633→\t\t\"prototype_type\", fmt.Sprintf(\"%T\", instancePrototype),\n   634→   634→\t\t\"name\", instancePrototype.Name,\n   635→   635→\t\t\"image_id\", instancePrototype.Image,\n   636→   636→\t\t\"zone\", instancePrototype.Zone,\n   637→   637→\t\t\"profile\", instancePrototype.Profile,\n   638→   638→\t\t\"vpc\", instancePrototype.VPC,\n   639→   639→\t\t\"primary_network_attachment\", instancePrototype.PrimaryNetworkAttachment != nil,\n   640→   640→\t\t\"boot_volume_attachment\", instancePrototype.BootVolumeAttachment != nil,\n   641→   641→\t\t\"volume_attachments_count\", len(instancePrototype.VolumeAttachments),\n   642→   642→\t\t\"availability_policy\", instancePrototype.AvailabilityPolicy != nil,\n   643→   643→\t\t\"metadata_service\", instancePrototype.MetadataService != nil,\n   644→   644→\t\t\"placement_target\", instancePrototype.PlacementTarget,\n   645→   645→\t\t\"resource_group\", instancePrototype.ResourceGroup,\n   646→   646→\t\t\"user_data_length\", len(*instancePrototype.UserData))\n   647→   647→\n   648→   648→\t// DEBUG: Marshal the entire instancePrototype to JSON to see exactly what will be sent to the API\n   649→   649→\t// This helps debug oneOf constraint violations\n   650→   650→\tprototypeJSON, jsonErr := json.MarshalIndent(instancePrototype, \"\", \"  \")\n   651→   651→\tif jsonErr != nil {\n   652→   652→\t\tlogger.Info(\"Warning: Failed to marshal instancePrototype for debugging\", \"error\", jsonErr)\n   653→   653→\t} else {\n   654→   654→\t\t// Sanitize user data before logging (it contains sensitive bootstrap tokens)\n   655→   655→\t\tvar prototypeMap map[string]interface{}\n   656→   656→\t\tif unmarshalErr := json.Unmarshal(prototypeJSON, &prototypeMap); unmarshalErr == nil {\n   657→   657→\t\t\tif prototypeMap[\"user_data\"] != nil {\n   658→   658→\t\t\t\tprototypeMap[\"user_data\"] = \"[REDACTED - contains bootstrap token]\"\n   659→   659→\t\t\t}\n   660→   660→\t\t\tsanitizedJSON, _ := json.MarshalIndent(prototypeMap, \"\", \"  \")\n   661→   661→\t\t\tlogger.V(1).Info(\"Logged InstancePrototype JSON payload\", \"json\", string(sanitizedJSON))\n   662→   662→\t\t} else {\n   663→   663→\t\t\tlogger.V(1).Info(\"Logged InstancePrototype JSON payload (raw)\", \"json\", string(prototypeJSON))\n   664→   664→\t\t}\n   665→   665→\t}\n   666→   666→\n   667→   667→\t// Log volume attachments details for block device troubleshooting\n   668→   668→\tif len(instancePrototype.VolumeAttachments) > 0 {\n   669→   669→\t\tfor i, va := range instancePrototype.VolumeAttachments {\n   670→   670→\t\t\tlogger.Info(\"Logged VolumeAttachment details\",\n   671→   671→\t\t\t\t\"index\", i,\n   672→   672→\t\t\t\t\"name\", va.Name,\n   673→   673→\t\t\t\t\"volume_type\", fmt.Sprintf(\"%T\", va.Volume),\n   674→   674→\t\t\t\t\"delete_on_termination\", va.DeleteVolumeOnInstanceDelete)\n   675→   675→\n   676→   676→\t\t\t// Log detailed volume fields for oneOf debugging\n   677→   677→\t\t\tif volumeByCapacity, ok := va.Volume.(*vpcv1.VolumeAttachmentPrototypeVolumeVolumePrototypeInstanceContextVolumePrototypeInstanceContextVolumeByCapacity); ok {\n   678→   678→\t\t\t\tlogger.Info(\"Logged volume by capacity details\",\n   679→   679→\t\t\t\t\t\"index\", i,\n   680→   680→\t\t\t\t\t\"volume_name\", volumeByCapacity.Name,\n   681→   681→\t\t\t\t\t\"volume_capacity\", volumeByCapacity.Capacity,\n   682→   682→\t\t\t\t\t\"volume_profile\", volumeByCapacity.Profile,\n   683→   683→\t\t\t\t\t\"has_name\", volumeByCapacity.Name != nil,\n   684→   684→\t\t\t\t\t\"has_capacity\", volumeByCapacity.Capacity != nil,\n   685→   685→\t\t\t\t\t\"has_profile\", volumeByCapacity.Profile != nil,\n   686→   686→\t\t\t\t\t\"has_iops\", volumeByCapacity.Iops != nil,\n   687→   687→\t\t\t\t\t\"has_bandwidth\", volumeByCapacity.Bandwidth != nil,\n   688→   688→\t\t\t\t\t\"has_user_tags\", volumeByCapacity.UserTags != nil,\n   689→   689→\t\t\t\t\t\"has_encryption_key\", volumeByCapacity.EncryptionKey != nil)\n   690→   690→\t\t\t}\n   691→   691→\t\t}\n   692→   692→\t}\n   693→   693→\n   694→   694→\t// Create the instance\n   695→   695→\tinstance, err := vpcClient.CreateInstance(ctx, instancePrototype)\n   696→   696→\tif err != nil {\n   697→   697→\t\t// Check if this is a partial failure that might have created resources\n   698→   698→\t\tibmErr := ibm.ParseError(err)\n   699→   699→\n   700→   700→\t\t// Track error metrics BEFORE existing logging\n   701→   701→\t\tif isTimeoutError(err) {\n   702→   702→\t\t\tmetrics.TimeoutErrors.WithLabelValues(\"CreateInstance\", nodeClass.Spec.Region).Inc()\n   703→   703→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"timeout\", \"instance_provider\", nodeClass.Spec.Region).Inc()\n   704→   704→\t\t} else if isQuotaError(err) {\n   705→   705→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"quota_exceeded\", \"instance_provider\", nodeClass.Spec.Region).Inc()\n   706→   706→\t\t} else if isAuthError(err) {\n   707→   707→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"authentication\", \"instance_provider\", nodeClass.Spec.Region).Inc()\n   708→   708→\t\t} else if ibmErr.StatusCode >= 400 && ibmErr.StatusCode < 500 {\n   709→   709→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"client_error\", \"instance_provider\", nodeClass.Spec.Region).Inc()\n   710→   710→\t\t} else if ibmErr.StatusCode >= 500 {\n   711→   711→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"server_error\", \"instance_provider\", nodeClass.Spec.Region).Inc()\n   712→   712→\t\t} else {\n   713→   713→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"api_error\", \"instance_provider\", nodeClass.Spec.Region).Inc()\n   714→   714→\t\t}\n   715→   715→\n   716→   716→\t\t// Enhanced error logging with FULL error details for oneOf debugging\n   717→   717→\t\tlogger.Error(err, \"VPC instance creation error - FULL ERROR MESSAGE\",\n   718→   718→\t\t\t\"status_code\", ibmErr.StatusCode,\n   719→   719→\t\t\t\"error_code\", ibmErr.Code,\n   720→   720→\t\t\t\"retryable\", ibmErr.Retryable,\n   721→   721→\t\t\t\"full_error_string\", fmt.Sprintf(\"%s\", err),\n   722→   722→\t\t\t\"full_error_details\", fmt.Sprintf(\"%+v\", err),\n   723→   723→\t\t\t\"error_type\", fmt.Sprintf(\"%T\", err),\n   724→   724→\t\t\t\"instance_prototype_type\", fmt.Sprintf(\"%T\", instancePrototype),\n   725→   725→\t\t\t\"ibm_error_message\", ibmErr.Message,\n   726→   726→\t\t\t\"ibm_error_more_info\", ibmErr.MoreInfo,\n   727→   727→\t\t\t\"raw_error\", err.Error())\n   728→   728→\n   729→   729→\t\t// ENHANCED DEBUGGING: Try to extract full HTTP response for oneOf errors\n   730→   730→\t\tif detailedErr, ok := err.(*core.SDKProblem); ok {\n   731→   731→\t\t\tlogger.Error(err, \"IBM VPC SDK detailed error response\",\n   732→   732→\t\t\t\t\"instance_name\", nodeClaim.Name,\n   733→   733→\t\t\t\t\"sdk_problem\", fmt.Sprintf(\"%+v\", detailedErr),\n   734→   734→\t\t\t\t\"problem_summary\", detailedErr.Summary)\n   735→   735→\t\t}\n   736→   736→\n   737→   737→\t\t// Log specific oneOf error pattern analysis\n   738→   738→\t\terrorString := err.Error()\n   739→   739→\t\tisOneOfError := strings.Contains(errorString, \"oneOf\") || strings.Contains(errorString, \"Expected only one\")\n   740→   740→\t\tlogger.Info(\"Analyzed OneOf error\",\n   741→   741→\t\t\t\"instance_name\", nodeClaim.Name,\n   742→   742→\t\t\t\"is_oneof_error\", isOneOfError,\n   743→   743→\t\t\t\"error_contains_oneof\", strings.Contains(errorString, \"oneOf\"),\n   744→   744→\t\t\t\"error_contains_expected_only_one\", strings.Contains(errorString, \"Expected only one\"),\n   745→   745→\t\t\t\"selected_instance_type\", instanceProfile,\n   746→   746→\t\t\t\"zone\", zone,\n   747→   747→\t\t\t\"nodeclass_instance_profile\", nodeClass.Spec.InstanceProfile,\n   748→   748→\t\t\t\"is_dynamic_selection\", nodeClass.Spec.InstanceProfile == \"\")\n   749→   749→\n   750→   750→\t\tif p.isPartialFailure(ibmErr) {\n   751→   751→\t\t\tlogger.Info(\"Attempted cleanup after instance creation failed with partial resource creation\",\n   752→   752→\t\t\t\t\"instance_name\", nodeClaim.Name,\n   753→   753→\t\t\t\t\"error_code\", ibmErr.Code)\n   754→   754→\n   755→   755→\t\t\t// Attempt to clean up any orphaned resources\n   756→   756→\t\t\tif cleanupErr := p.cleanupOrphanedResources(ctx, vpcClient, nodeClaim.Name, nodeClass.Spec.VPC, logger); cleanupErr != nil {\n   757→   757→\t\t\t\tlogger.Error(cleanupErr, \"Failed to cleanup orphaned resources after instance creation failure\",\n   758→   758→\t\t\t\t\t\"instance_name\", nodeClaim.Name)\n   759→   759→\t\t\t\t// Don't fail the original error, but log the cleanup failure\n   760→   760→\t\t\t}\n   761→   761→\t\t}\n   762→   762→\n   763→   763→\t\t// Create detailed error message for better debugging in NodeClaim conditions\n   764→   764→\t\tdetailedErr := fmt.Errorf(\"creating VPC instance failed: %s (code: %s, status: %d, instance_profile: %s, zone: %s, resolvedImageID: %s)\",\n   765→   765→\t\t\terr.Error(), ibmErr.Code, ibmErr.StatusCode, instanceProfile, zone, imageID)\n   766→   766→\n   767→   767→\t\t// Still use HandleVPCError for consistent logging but return our detailed error\n   768→   768→\t\t_ = vpcclient.HandleVPCError(err, logger, \"creating VPC instance\",\n   769→   769→\t\t\t\"instance_profile\", instanceProfile, \"zone\", zone, \"resolvedImageID\", imageID)\n   770→   770→\t\treturn nil, detailedErr\n   771→   771→\t}\n   772→   772→\n   773→   773→\t// DETAILED RESPONSE LOGGING: Log the full VPC response details\n   774→   774→\tlogger.Info(\"VPC instance created successfully\",\n   775→   775→\t\t\"instance_id\", *instance.ID,\n   776→   776→\t\t\"name\", *instance.Name,\n   777→   777→\t\t\"status\", instance.Status,\n   778→   778→\t\t\"lifecycle_state\", instance.LifecycleState,\n   779→   779→\t\t\"zone\", instance.Zone,\n   780→   780→\t\t\"vpc\", instance.VPC,\n   781→   781→\t\t\"image\", instance.Image,\n   782→   782→\t\t\"profile\", instance.Profile)\n   783→   783→\n   784→   784→\t// Log network attachment details\n   785→   785→\tif len(instance.NetworkAttachments) > 0 {\n   786→   786→\t\tfor i, na := range instance.NetworkAttachments {\n   787→   787→\t\t\tlogger.Info(\"Logged network attachment in response\",\n   788→   788→\t\t\t\t\"index\", i,\n   789→   789→\t\t\t\t\"attachment_id\", na.ID,\n   790→   790→\t\t\t\t\"attachment_type\", fmt.Sprintf(\"%T\", na))\n   791→   791→\t\t}\n   792→   792→\t}\n   793→   793→\n   794→   794→\t// Log volume attachment details in response\n   795→   795→\tif len(instance.VolumeAttachments) > 0 {\n   796→   796→\t\tfor i, va := range instance.VolumeAttachments {\n   797→   797→\t\t\tlogger.Info(\"Logged volume attachment in response\",\n   798→   798→\t\t\t\t\"index\", i,\n   799→   799→\t\t\t\t\"attachment_id\", va.ID,\n   800→   800→\t\t\t\t\"volume_id\", va.Volume,\n   801→   801→\t\t\t\t\"attachment_name\", va.Name,\n   802→   802→\t\t\t\t\"device_name\", va.Device)\n   803→   803→\t\t}\n   804→   804→\t}\n   805→   805→\n   806→   806→\t// Verify network attachment was applied correctly\n   807→   807→\tif len(instance.NetworkAttachments) > 0 && instance.NetworkAttachments[0].ID != nil {\n   808→   808→\t\tlogger.Info(\"Instance created with VNI network attachment\", \"attachment_id\", *instance.NetworkAttachments[0].ID)\n   809→   809→\t\t// Note: Security groups information may not be available in the instance creation response\n   810→   810→\t\t// This would require a separate GetInstance call to verify security groups\n   811→   811→\t} else {\n   812→   812→\t\tlogger.Info(\"Instance created but network attachment information not available in response\")\n   813→   813→\t}\n   814→   814→\n   815→   815→\t// Create Node representation\n   816→   816→\tnode := &corev1.Node{\n   817→   817→\t\tObjectMeta: metav1.ObjectMeta{\n   818→   818→\t\t\tName: nodeClaim.Name,\n   819→   819→\t\t\tLabels: map[string]string{\n   820→   820→\t\t\t\t\"karpenter.sh/managed\":             \"true\",\n   821→   821→\t\t\t\t\"karpenter-ibm.sh/vpc-id\":          nodeClass.Spec.VPC,\n   822→   822→\t\t\t\t\"karpenter-ibm.sh/zone\":            zone,\n   823→   823→\t\t\t\t\"karpenter-ibm.sh/region\":          nodeClass.Spec.Region,\n   824→   824→\t\t\t\t\"karpenter-ibm.sh/instance-type\":   instanceProfile,\n   825→   825→\t\t\t\t\"node.kubernetes.io/instance-type\": instanceProfile,\n   826→   826→\t\t\t\t\"topology.kubernetes.io/zone\":      zone,\n   827→   827→\t\t\t\t\"topology.kubernetes.io/region\":    nodeClass.Spec.Region,\n   828→   828→\t\t\t\t\"karpenter.sh/capacity-type\":       \"on-demand\",\n   829→   829→\t\t\t\t\"karpenter.sh/nodepool\":            nodeClaim.Labels[\"karpenter.sh/nodepool\"],\n   830→   830→\t\t\t},\n   831→   831→\t\t\tAnnotations: map[string]string{\n   832→   832→\t\t\t\tv1alpha1.AnnotationIBMNodeClaimSubnetID:       subnet,\n   833→   833→\t\t\t\tv1alpha1.AnnotationIBMNodeClaimSecurityGroups: strings.Join(actualSecurityGroups, \",\"),\n   834→   834→\t\t\t},\n   835→   835→\t\t},\n   836→   836→\t\tSpec: corev1.NodeSpec{\n   837→   837→\t\t\t// Use the full instance ID including the zone prefix (e.g., 02u7_uuid)\n   838→   838→\t\t\t// This ensures consistency with how IBM Cloud APIs expect the instance ID\n   839→   839→\t\t\tProviderID: fmt.Sprintf(\"ibm:///%s/%s\", nodeClass.Spec.Region, *instance.ID),\n   840→   840→\t\t},\n   841→   841→\t\tStatus: corev1.NodeStatus{\n   842→   842→\t\t\tPhase: corev1.NodePending,\n   843→   843→\t\t\tConditions: []corev1.NodeCondition{\n   844→   844→\t\t\t\t{\n   845→   845→\t\t\t\t\tType:               corev1.NodeReady,\n   846→   846→\t\t\t\t\tStatus:             corev1.ConditionUnknown,\n   847→   847→\t\t\t\t\tLastHeartbeatTime:  metav1.Now(),\n   848→   848→\t\t\t\t\tLastTransitionTime: metav1.Now(),\n   849→   849→\t\t\t\t\tReason:             \"NodeCreating\",\n   850→   850→\t\t\t\t\tMessage:            \"Node is being created\",\n   851→   851→\t\t\t\t},\n   852→   852→\t\t\t},\n   853→   853→\t\t},\n   854→   854→\t}\n   855→   855→\n   856→   856→\t// Add Karpenter-specific tags to the instance for orphan cleanup identification\n   857→   857→\tif err := p.addKarpenterTags(ctx, vpcClient, *instance.ID, nodeClass, nodeClaim); err != nil {\n   858→   858→\t\tlogger.Error(err, \"failed to add Karpenter tags to instance, continuing anyway\", \"instance-id\", *instance.ID)\n   859→   859→\t\t// Don't fail instance creation due to tagging issues\n   860→   860→\t}\n   861→   861→\n   862→   862→\t// Record successful provisioning metrics\n   863→   863→\tduration := time.Since(start).Seconds()\n   864→   864→\tmetrics.ProvisioningDuration.WithLabelValues(instanceType, zone).Observe(duration)\n   865→   865→\tmetrics.InstanceLifecycle.WithLabelValues(\"running\", instanceType).Set(1)\n   866→   866→\tmetrics.ApiRequests.WithLabelValues(\"CreateInstance\", \"200\", nodeClass.Spec.Region).Inc()\n   867→   867→\t// Track quota utilization with actual data\n   868→   868→\tif quotaInfo, err := p.getQuotaInfo(ctx, nodeClass.Spec.Region); err == nil {\n   869→   869→\t\tmetrics.QuotaUtilization.WithLabelValues(\"instances\", nodeClass.Spec.Region).Set(quotaInfo.InstanceUtilization)\n   870→   870→\t\tmetrics.QuotaUtilization.WithLabelValues(\"vCPU\", nodeClass.Spec.Region).Set(quotaInfo.VCPUUtilization)\n   871→   871→\t} else {\n   872→   872→\t\t// Log the error but don't fail the instance creation\n   873→   873→\t\tlogger.Info(\"Failed to get quota information\", \"error\", err, \"region\", nodeClass.Spec.Region)\n   874→   874→\t}\n   875→   875→\n   876→   876→\treturn node, nil\n   877→   877→}\n   878→   878→\n   879→   879→func (p *VPCInstanceProvider) getQuotaInfo(ctx context.Context, region string) (*QuotaInfo, error) {\n   880→   880→\t// Create authenticator\n   881→   881→\tauthenticator := &core.IamAuthenticator{\n   882→   882→\t\tApiKey: os.Getenv(\"IBMCLOUD_API_KEY\"),\n   883→   883→\t}\n   884→   884→\n   885→   885→\t// Create Resource Manager service with authenticator in options\n   886→   886→\tresourceManagerServiceOptions := &resourcemanagerv2.ResourceManagerV2Options{\n   887→   887→\t\tAuthenticator: authenticator,\n   888→   888→\t}\n   889→   889→\n   890→   890→\tresourceManagerService, err := resourcemanagerv2.NewResourceManagerV2(resourceManagerServiceOptions)\n   891→   891→\tif err != nil {\n   892→   892→\t\tmetrics.ErrorsByType.WithLabelValues(\"service_init\", \"quota_provider\", region).Inc()\n   893→   893→\t\treturn nil, fmt.Errorf(\"failed to create resource manager service: %w\", err)\n   894→   894→\t}\n   895→   895→\n   896→   896→\t// List quota definitions\n   897→   897→\tlistQuotaDefinitionsOptions := resourceManagerService.NewListQuotaDefinitionsOptions()\n   898→   898→\tquotaDefinitionList, _, err := resourceManagerService.ListQuotaDefinitions(listQuotaDefinitionsOptions)\n   899→   899→\tif err != nil {\n   900→   900→\t\tif isTimeoutError(err) {\n   901→   901→\t\t\tmetrics.TimeoutErrors.WithLabelValues(\"ListQuotaDefinitions\", region).Inc()\n   902→   902→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"timeout\", \"quota_provider\", region).Inc()\n   903→   903→\t\t} else if isAuthError(err) {\n   904→   904→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"authentication\", \"quota_provider\", region).Inc()\n   905→   905→\t\t} else {\n   906→   906→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"api_error\", \"quota_provider\", region).Inc()\n   907→   907→\t\t}\n   908→   908→\t\treturn nil, fmt.Errorf(\"failed to list quota definitions: %w\", err)\n   909→   909→\t}\n   910→   910→\n   911→   911→\t// Get current VPC usage\n   912→   912→\tcurrentInstances, currentVCPUs, err := p.getCurrentVPCUsage(ctx)\n   913→   913→\tif err != nil {\n   914→   914→\t\tmetrics.ErrorsByType.WithLabelValues(\"vpc_usage\", \"quota_provider\", region).Inc()\n   915→   915→\t\treturn nil, fmt.Errorf(\"failed to get current VPC usage: %w\", err)\n   916→   916→\t}\n   917→   917→\n   918→   918→\tquotaInfo := &QuotaInfo{\n   919→   919→\t\tInstanceUtilization: 0.0,\n   920→   920→\t\tVCPUUtilization:     0.0,\n   921→   921→\t}\n   922→   922→\n   923→   923→\t// Process quota definitions\n   924→   924→\tif quotaDefinitionList.Resources != nil {\n   925→   925→\t\tfor _, quota := range quotaDefinitionList.Resources {\n   926→   926→\t\t\tif quota.Name == nil {\n   927→   927→\t\t\t\tcontinue\n   928→   928→\t\t\t}\n   929→   929→\n   930→   930→\t\t\tswitch *quota.Name {\n   931→   931→\t\t\tcase \"vpc-instances\", \"instances\":\n   932→   932→\t\t\t\tmaxInstances := 100.0\n   933→   933→\t\t\t\tquotaInfo.InstanceUtilization = float64(currentInstances) / maxInstances\n   934→   934→\t\t\tcase \"vpc-vcpu\", \"vcpu\":\n   935→   935→\t\t\t\tmaxVCPUs := 500.0\n   936→   936→\t\t\t\tquotaInfo.VCPUUtilization = float64(currentVCPUs) / maxVCPUs\n   937→   937→\t\t\t}\n   938→   938→\t\t}\n   939→   939→\t}\n   940→   940→\n   941→   941→\treturn quotaInfo, nil\n   942→   942→}\n   943→   943→\n   944→   944→func (p *VPCInstanceProvider) getCurrentVPCUsage(ctx context.Context) (int, int, error) {\n   945→   945→\tvpcClient, err := p.vpcClientManager.GetVPCClient(ctx)\n   946→   946→\tif err != nil {\n   947→   947→\t\treturn 0, 0, err\n   948→   948→\t}\n   949→   949→\n   950→   950→\tinstances, err := vpcClient.ListInstances(ctx)\n   951→   951→\tif err != nil {\n   952→   952→\t\treturn 0, 0, err\n   953→   953→\t}\n   954→   954→\n   955→   955→\tinstanceCount := len(instances)\n   956→   956→\tvcpuCount := 0\n   957→   957→\n   958→   958→\tfor _, instance := range instances {\n   959→   959→\t\tif instance.Vcpu != nil && instance.Vcpu.Count != nil {\n   960→   960→\t\t\tvcpuCount += int(*instance.Vcpu.Count)\n   961→   961→\t\t}\n   962→   962→\t}\n   963→   963→\n   964→   964→\treturn instanceCount, vcpuCount, nil\n   965→   965→}\n   966→   966→\n   967→   967→// Delete removes a VPC instance\n   968→   968→func (p *VPCInstanceProvider) Delete(ctx context.Context, node *corev1.Node) error {\n   969→   969→\tlogger := log.FromContext(ctx)\n   970→   970→\n   971→   971→\tinstanceID := extractInstanceIDFromProviderID(node.Spec.ProviderID)\n   972→   972→\tif instanceID == \"\" {\n   973→   973→\t\treturn fmt.Errorf(\"could not extract instance ID from provider ID: %s\", node.Spec.ProviderID)\n   974→   974→\t}\n   975→   975→\n   976→   976→\tvpcClient, err := p.vpcClientManager.GetVPCClient(ctx)\n   977→   977→\tif err != nil {\n   978→   978→\t\treturn err\n   979→   979→\t}\n   980→   980→\n   981→   981→\tlogger.Info(\"Initiated VPC instance deletion\", \"instance_id\", instanceID, \"node\", node.Name)\n   982→   982→\n   983→   983→\t// Extract instance type from node labels for metrics\n   984→   984→\tinstanceType := \"unknown\"\n   985→   985→\tregion := \"unknown\"\n   986→   986→\tif node.Labels != nil {\n   987→   987→\t\tif r, exists := node.Labels[\"topology.kubernetes.io/region\"]; exists {\n   988→   988→\t\t\tregion = r\n   989→   989→\t\t}\n   990→   990→\t\tif it, exists := node.Labels[\"node.kubernetes.io/instance-type\"]; exists {\n   991→   991→\t\t\tinstanceType = it\n   992→   992→\t\t}\n   993→   993→\t}\n   994→   994→\n   995→   995→\t// First attempt to delete the instance\n   996→   996→\terr = vpcClient.DeleteInstance(ctx, instanceID)\n   997→   997→\tif err != nil && !isIBMInstanceNotFoundError(err) {\n   998→   998→\t\t// Track specific error types\n   999→   999→\t\tif isTimeoutError(err) {"}]},"uuid":"b4b938ab-0e0a-45ff-bcb4-37d051e88408","timestamp":"2026-02-28T15:01:08.591Z"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"748df996-5378-427f-865e-352994edcf34","timestamp":"2026-02-28T15:01:08.641Z"}
{"parentUuid":"748df996-5378-427f-865e-352994edcf34","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"assistant","timestamp":"2026-02-28T15:01:14.348Z","message":{"model":"claude-sonnet-4-6","id":"msg_01VVYnqdYJDxhmY3xJomhpQC","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_015U1t3wVbfYJwSeyMQzzgZZ","name":"Read","input":{"file_path":"/home/josie/.claude/projects/-home-josie-development-kubernetes-karpenter-ibm/373fe3e0-7a5e-4df7-8926-717aecb51f1d/tool-results/toolu_01MHxktLafp7ZdfzkHd98Kvy.txt","offset":1000,"limit":400},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":9619,"cache_read_input_tokens":69919,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":9619},"output_tokens":3,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"requestId":"req_011CYafgtqR5ojDc6GdTv27K","uuid":"e7068124-7b27-4526-9aed-342b750fa992"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"efec9fa3-e4cd-4d0a-acf2-cc4706bca128","timestamp":"2026-02-28T15:01:14.348Z"}
{"parentUuid":"efec9fa3-e4cd-4d0a-acf2-cc4706bca128","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_015U1t3wVbfYJwSeyMQzzgZZ","type":"tool_result","content":"  1000→  1000→\t\t\tmetrics.TimeoutErrors.WithLabelValues(\"DeleteInstance\", region).Inc()\n  1001→  1001→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"timeout\", \"instance_provider\", region).Inc()\n  1002→  1002→\t\t} else if isAuthError(err) {\n  1003→  1003→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"authentication\", \"instance_provider\", region).Inc()\n  1004→  1004→\t\t} else {\n  1005→  1005→\t\t\tmetrics.ErrorsByType.WithLabelValues(\"api_error\", \"instance_provider\", region).Inc()\n  1006→  1006→\t\t}\n  1007→  1007→\n  1008→  1008→\t\tmetrics.ApiRequests.WithLabelValues(\"DeleteInstance\", \"500\", region).Inc()\n  1009→  1009→\t\treturn vpcclient.HandleVPCError(err, logger, \"deleting VPC instance\", \"instance_id\", instanceID)\n  1010→  1010→\t}\n  1011→  1011→\n  1012→  1012→\tp.instanceCache.Delete(instanceID)\n  1013→  1013→\t// Check if the instance actually exists to confirm deletion status\n  1014→  1014→\t// This is critical for proper Karpenter finalizer management\n  1015→  1015→\t_, getErr := vpcClient.GetInstance(ctx, instanceID)\n  1016→  1016→\tif isIBMInstanceNotFoundError(getErr) {\n  1017→  1017→\t\tlogger.Info(\"VPC instance confirmed deleted\", \"instance_id\", instanceID)\n  1018→  1018→\t\tmetrics.ApiRequests.WithLabelValues(\"DeleteInstance\", \"200\", region).Inc()\n  1019→  1019→\t\tmetrics.InstanceLifecycle.WithLabelValues(\"terminated\", instanceType).Set(0)\n  1020→  1020→\t\treturn cloudprovider.NewNodeClaimNotFoundError(fmt.Errorf(\"instance %s not found\", instanceID))\n  1021→  1021→\t}\n  1022→  1022→\tif getErr != nil {\n  1023→  1023→\t\t// If we can't determine instance status due to API error, assume deletion in progress\n  1024→  1024→\t\tlogger.Info(\"Unable to verify instance status, assuming deletion in progress\", \"instance_id\", instanceID, \"error\", getErr)\n  1025→  1025→\t\tmetrics.ApiRequests.WithLabelValues(\"DeleteInstance\", \"200\", region).Inc()\n  1026→  1026→\t\tmetrics.InstanceLifecycle.WithLabelValues(\"terminated\", instanceType).Set(0)\n  1027→  1027→\t\treturn nil\n  1028→  1028→\t}\n  1029→  1029→\n  1030→  1030→\t// Instance still exists, deletion was triggered but is in progress\n  1031→  1031→\tlogger.Info(\"VPC instance deletion triggered, still in progress\", \"instance_id\", instanceID)\n  1032→  1032→\tmetrics.ApiRequests.WithLabelValues(\"DeleteInstance\", \"200\", region).Inc()\n  1033→  1033→\tmetrics.InstanceLifecycle.WithLabelValues(\"terminated\", instanceType).Set(0)\n  1034→  1034→\treturn nil\n  1035→  1035→}\n  1036→  1036→\n  1037→  1037→// Get retrieves information about a VPC instance\n  1038→  1038→func (p *VPCInstanceProvider) Get(ctx context.Context, providerID string) (*corev1.Node, error) {\n  1039→  1039→\tinstanceID := extractInstanceIDFromProviderID(providerID)\n  1040→  1040→\tif instanceID == \"\" {\n  1041→  1041→\t\treturn nil, fmt.Errorf(\"could not extract instance ID from provider ID: %s\", providerID)\n  1042→  1042→\t}\n  1043→  1043→\n  1044→  1044→\tif cached, exists := p.instanceCache.Get(instanceID); exists {\n  1045→  1045→\t\tif node, ok := cached.(*corev1.Node); ok {\n  1046→  1046→\t\t\treturn node, nil\n  1047→  1047→\t\t}\n  1048→  1048→\t\t// Type mismatch - delete invalid cache entry and continue to fetch\n  1049→  1049→\t\tp.instanceCache.Delete(instanceID)\n  1050→  1050→\t}\n  1051→  1051→\n  1052→  1052→\tvpcClient, err := p.vpcClientManager.GetVPCClient(ctx)\n  1053→  1053→\tif err != nil {\n  1054→  1054→\t\treturn nil, err\n  1055→  1055→\t}\n  1056→  1056→\n  1057→  1057→\tinstance, err := vpcClient.GetInstance(ctx, instanceID)\n  1058→  1058→\tif err != nil {\n  1059→  1059→\t\tif isIBMInstanceNotFoundError(err) {\n  1060→  1060→\t\t\treturn nil, cloudprovider.NewNodeClaimNotFoundError(fmt.Errorf(\"instance %s not found\", instanceID))\n  1061→  1061→\t\t}\n  1062→  1062→\t\treturn nil, fmt.Errorf(\"getting VPC instance %s: %w\", instanceID, err)\n  1063→  1063→\t}\n  1064→  1064→\n  1065→  1065→\t// Convert VPC instance to Node representation\n  1066→  1066→\tnode := &corev1.Node{\n  1067→  1067→\t\tObjectMeta: metav1.ObjectMeta{\n  1068→  1068→\t\t\tName: *instance.Name,\n  1069→  1069→\t\t},\n  1070→  1070→\t\tSpec: corev1.NodeSpec{\n  1071→  1071→\t\t\tProviderID: providerID,\n  1072→  1072→\t\t},\n  1073→  1073→\t}\n  1074→  1074→\n  1075→  1075→\tif instance.Status == nil || *instance.Status != vpcv1.InstanceStatusDeletingConst {\n  1076→  1076→\t\tp.instanceCache.Set(instanceID, node)\n  1077→  1077→\t}\n  1078→  1078→\n  1079→  1079→\treturn node, nil\n  1080→  1080→}\n  1081→  1081→\n  1082→  1082→// List returns all VPC instances\n  1083→  1083→func (p *VPCInstanceProvider) List(ctx context.Context) ([]*corev1.Node, error) {\n  1084→  1084→\tvpcClient, err := p.vpcClientManager.GetVPCClient(ctx)\n  1085→  1085→\tif err != nil {\n  1086→  1086→\t\treturn nil, err\n  1087→  1087→\t}\n  1088→  1088→\n  1089→  1089→\tinstances, err := vpcClient.ListInstances(ctx)\n  1090→  1090→\tif err != nil {\n  1091→  1091→\t\treturn nil, fmt.Errorf(\"listing VPC instances: %w\", err)\n  1092→  1092→\t}\n  1093→  1093→\n  1094→  1094→\tvar nodes []*corev1.Node\n  1095→  1095→\tfor _, instance := range instances {\n  1096→  1096→\t\tif instance.ID != nil && instance.Name != nil && instance.Zone != nil && instance.Zone.Name != nil {\n  1097→  1097→\t\t\tregion := ibm.ExtractRegionFromZone(*instance.Zone.Name)\n  1098→  1098→\t\t\tnode := &corev1.Node{\n  1099→  1099→\t\t\t\tObjectMeta: metav1.ObjectMeta{\n  1100→  1100→\t\t\t\t\tName: *instance.Name,\n  1101→  1101→\t\t\t\t},\n  1102→  1102→\t\t\t\tSpec: corev1.NodeSpec{\n  1103→  1103→\t\t\t\t\tProviderID: fmt.Sprintf(\"ibm:///%s/%s\", region, *instance.ID),\n  1104→  1104→\t\t\t\t},\n  1105→  1105→\t\t\t}\n  1106→  1106→\t\t\tif instance.Status == nil || *instance.Status != vpcv1.InstanceStatusDeletingConst {\n  1107→  1107→\t\t\t\tp.instanceCache.Set(*instance.ID, node)\n  1108→  1108→\t\t\t}\n  1109→  1109→\t\t\tnodes = append(nodes, node)\n  1110→  1110→\t\t}\n  1111→  1111→\t}\n  1112→  1112→\n  1113→  1113→\treturn nodes, nil\n  1114→  1114→}\n  1115→  1115→\n  1116→  1116→// UpdateTags updates tags on a VPC instance\n  1117→  1117→func (p *VPCInstanceProvider) UpdateTags(ctx context.Context, providerID string, tags map[string]string) error {\n  1118→  1118→\tinstanceID := extractInstanceIDFromProviderID(providerID)\n  1119→  1119→\tif instanceID == \"\" {\n  1120→  1120→\t\treturn fmt.Errorf(\"could not extract instance ID from provider ID: %s\", providerID)\n  1121→  1121→\t}\n  1122→  1122→\n  1123→  1123→\tvpcClient, err := p.vpcClientManager.GetVPCClient(ctx)\n  1124→  1124→\tif err != nil {\n  1125→  1125→\t\treturn err\n  1126→  1126→\t}\n  1127→  1127→\n  1128→  1128→\treturn vpcClient.UpdateInstanceTags(ctx, instanceID, tags)\n  1129→  1129→}\n  1130→  1130→\n  1131→  1131→// extractInstanceIDFromProviderID extracts the instance ID from a provider ID\n  1132→  1132→func extractInstanceIDFromProviderID(providerID string) string {\n  1133→  1133→\t// Provider ID format: ibm:///region/instance-id\n  1134→  1134→\t// Instance ID includes zone prefix (e.g., 02u7_uuid)\n  1135→  1135→\tparts := strings.Split(providerID, \"/\")\n  1136→  1136→\tif len(parts) >= 4 {\n  1137→  1137→\t\treturn parts[len(parts)-1]\n  1138→  1138→\t}\n  1139→  1139→\treturn \"\"\n  1140→  1140→}\n  1141→  1141→\n  1142→  1142→// isIBMInstanceNotFoundError checks if the error indicates an instance was not found in IBM Cloud VPC\n  1143→  1143→func isIBMInstanceNotFoundError(err error) bool {\n  1144→  1144→\treturn ibm.IsNotFound(err)\n  1145→  1145→}\n  1146→  1146→\n  1147→  1147→// isPartialFailure determines if an instance creation error indicates partial resource creation\n  1148→  1148→func (p *VPCInstanceProvider) isPartialFailure(ibmErr *ibm.IBMError) bool {\n  1149→  1149→\tif ibmErr == nil {\n  1150→  1150→\t\treturn false\n  1151→  1151→\t}\n  1152→  1152→\n  1153→  1153→\t// Check for specific error codes that indicate partial failure\n  1154→  1154→\tswitch ibmErr.Code {\n  1155→  1155→\tcase \"vpc_instance_quota_exceeded\", \"vpc_instance_profile_not_available\":\n  1156→  1156→\t\t// These errors can occur after VNI creation but before instance completion\n  1157→  1157→\t\treturn true\n  1158→  1158→\tcase \"vpc_security_group_not_found\", \"vpc_subnet_not_available\":\n  1159→  1159→\t\t// These might occur after some network resources are created\n  1160→  1160→\t\treturn true\n  1161→  1161→\tcase \"vpc_volume_capacity_insufficient\", \"vpc_boot_volume_creation_failed\":\n  1162→  1162→\t\t// Volume creation failures might leave network resources\n  1163→  1163→\t\treturn true\n  1164→  1164→\tdefault:\n  1165→  1165→\t\t// For unknown errors with 5xx status codes, assume potential partial failure\n  1166→  1166→\t\treturn ibmErr.StatusCode >= 500 && ibmErr.StatusCode < 600\n  1167→  1167→\t}\n  1168→  1168→}\n  1169→  1169→\n  1170→  1170→// cleanupOrphanedResources attempts to clean up resources that might be left after instance creation failure\n  1171→  1171→func (p *VPCInstanceProvider) cleanupOrphanedResources(ctx context.Context, vpcClient *ibm.VPCClient, instanceName, vpcID string, logger logr.Logger) error {\n  1172→  1172→\tlogger.Info(\"Started cleanup of potentially orphaned resources\", \"instance_name\", instanceName)\n  1173→  1173→\n  1174→  1174→\tvar errors []error\n  1175→  1175→\n  1176→  1176→\t// Look for orphaned VNIs with the expected name pattern\n  1177→  1177→\tvniName := fmt.Sprintf(\"%s-vni\", instanceName)\n  1178→  1178→\tif err := p.cleanupOrphanedVNI(ctx, vpcClient, vniName, vpcID, logger); err != nil {\n  1179→  1179→\t\terrors = append(errors, fmt.Errorf(\"cleaning up VNI %s: %w\", vniName, err))\n  1180→  1180→\t}\n  1181→  1181→\n  1182→  1182→\t// Look for orphaned volumes with the expected name pattern\n  1183→  1183→\tvolumeName := fmt.Sprintf(\"%s-boot\", instanceName)\n  1184→  1184→\tif err := p.cleanupOrphanedVolume(ctx, vpcClient, volumeName, logger); err != nil {\n  1185→  1185→\t\terrors = append(errors, fmt.Errorf(\"cleaning up volume %s: %w\", volumeName, err))\n  1186→  1186→\t}\n  1187→  1187→\n  1188→  1188→\tif len(errors) > 0 {\n  1189→  1189→\t\treturn fmt.Errorf(\"cleanup failed with %d errors: %v\", len(errors), errors)\n  1190→  1190→\t}\n  1191→  1191→\n  1192→  1192→\tlogger.Info(\"Cleanup of orphaned resources completed successfully\")\n  1193→  1193→\treturn nil\n  1194→  1194→}\n  1195→  1195→\n  1196→  1196→// cleanupOrphanedVNI removes a VNI that might have been created during failed instance creation\n  1197→  1197→func (p *VPCInstanceProvider) cleanupOrphanedVNI(ctx context.Context, vpcClient *ibm.VPCClient, vniName, vpcID string, logger logr.Logger) error {\n  1198→  1198→\tlogger.Info(\"Searched for orphaned VNI to cleanup\", \"vni_name\", vniName, \"vpc_id\", vpcID)\n  1199→  1199→\n  1200→  1200→\t// List virtual network interfaces to find the orphaned one\n  1201→  1201→\toptions := &vpcv1.ListVirtualNetworkInterfacesOptions{\n  1202→  1202→\t\t// Note: VNI listing doesn't support name filtering, so we list all and filter manually\n  1203→  1203→\t}\n  1204→  1204→\n  1205→  1205→\tvnis, err := vpcClient.ListVirtualNetworkInterfaces(ctx, options)\n  1206→  1206→\tif err != nil {\n  1207→  1207→\t\treturn fmt.Errorf(\"listing virtual network interfaces for cleanup: %w\", err)\n  1208→  1208→\t}\n  1209→  1209→\n  1210→  1210→\t// Look for VNI with matching name\n  1211→  1211→\tfor _, vni := range vnis.VirtualNetworkInterfaces {\n  1212→  1212→\t\tif vni.Name != nil && *vni.Name == vniName {\n  1213→  1213→\t\t\tlogger.Info(\"Found orphaned VNI and initiated deletion\", \"vni_id\", *vni.ID, \"vni_name\", vniName)\n  1214→  1214→\n  1215→  1215→\t\t\tif err := vpcClient.DeleteVirtualNetworkInterface(ctx, *vni.ID); err != nil {\n  1216→  1216→\t\t\t\t// Check if it's already deleted (not found error is acceptable)\n  1217→  1217→\t\t\t\tif ibm.IsNotFound(err) {\n  1218→  1218→\t\t\t\t\tlogger.Info(\"VNI already deleted during cleanup\", \"vni_id\", *vni.ID)\n  1219→  1219→\t\t\t\t\treturn nil\n  1220→  1220→\t\t\t\t}\n  1221→  1221→\t\t\t\treturn fmt.Errorf(\"deleting orphaned VNI %s: %w\", *vni.ID, err)\n  1222→  1222→\t\t\t}\n  1223→  1223→\n  1224→  1224→\t\t\tlogger.Info(\"Successfully cleaned up orphaned VNI\", \"vni_id\", *vni.ID, \"vni_name\", vniName)\n  1225→  1225→\t\t\treturn nil\n  1226→  1226→\t\t}\n  1227→  1227→\t}\n  1228→  1228→\n  1229→  1229→\tlogger.Info(\"No orphaned VNI found with expected name\", \"vni_name\", vniName)\n  1230→  1230→\treturn nil\n  1231→  1231→}\n  1232→  1232→\n  1233→  1233→// cleanupOrphanedVolume removes a volume that might have been created during failed instance creation\n  1234→  1234→func (p *VPCInstanceProvider) cleanupOrphanedVolume(ctx context.Context, vpcClient *ibm.VPCClient, volumeName string, logger logr.Logger) error {\n  1235→  1235→\tlogger.Info(\"Searched for orphaned volume to cleanup\", \"volume_name\", volumeName)\n  1236→  1236→\n  1237→  1237→\t// List volumes to find the orphaned one\n  1238→  1238→\toptions := &vpcv1.ListVolumesOptions{\n  1239→  1239→\t\tName: &volumeName,\n  1240→  1240→\t}\n  1241→  1241→\n  1242→  1242→\tvolumes, err := vpcClient.ListVolumes(ctx, options)\n  1243→  1243→\tif err != nil {\n  1244→  1244→\t\treturn fmt.Errorf(\"listing volumes for cleanup: %w\", err)\n  1245→  1245→\t}\n  1246→  1246→\n  1247→  1247→\t// Look for volume with matching name\n  1248→  1248→\tfor _, volume := range volumes.Volumes {\n  1249→  1249→\t\tif volume.Name != nil && *volume.Name == volumeName {\n  1250→  1250→\t\t\tlogger.Info(\"Found orphaned volume and initiated deletion\", \"volume_id\", *volume.ID, \"volume_name\", volumeName)\n  1251→  1251→\n  1252→  1252→\t\t\tif err := vpcClient.DeleteVolume(ctx, *volume.ID); err != nil {\n  1253→  1253→\t\t\t\t// Check if it's already deleted (not found error is acceptable)\n  1254→  1254→\t\t\t\tif ibm.IsNotFound(err) {\n  1255→  1255→\t\t\t\t\tlogger.Info(\"Volume already deleted during cleanup\", \"volume_id\", *volume.ID)\n  1256→  1256→\t\t\t\t\treturn nil\n  1257→  1257→\t\t\t\t}\n  1258→  1258→\t\t\t\treturn fmt.Errorf(\"deleting orphaned volume %s: %w\", *volume.ID, err)\n  1259→  1259→\t\t\t}\n  1260→  1260→\n  1261→  1261→\t\t\tlogger.Info(\"Successfully cleaned up orphaned volume\", \"volume_id\", *volume.ID, \"volume_name\", volumeName)\n  1262→  1262→\t\t\treturn nil\n  1263→  1263→\t\t}\n  1264→  1264→\t}\n  1265→  1265→\n  1266→  1266→\tlogger.Info(\"No orphaned volume found with expected name\", \"volume_name\", volumeName)\n  1267→  1267→\treturn nil\n  1268→  1268→}\n  1269→  1269→\n  1270→  1270→// generateBootstrapUserData generates bootstrap user data using the VPC bootstrap provider\n  1271→  1271→// buildVolumeAttachments creates volume attachments based on block device mappings or uses defaults\n  1272→  1272→func (p *VPCInstanceProvider) buildVolumeAttachments(nodeClass *v1alpha1.IBMNodeClass, instanceName, zone string) (*vpcv1.VolumeAttachmentPrototypeInstanceByImageContext, []vpcv1.VolumeAttachmentPrototype, error) {\n  1273→  1273→\t// If no block device mappings specified, use default configuration\n  1274→  1274→\tif len(nodeClass.Spec.BlockDeviceMappings) == 0 {\n  1275→  1275→\t\t// Default boot volume: 100GB general-purpose\n  1276→  1276→\t\tdefaultBootVolume := &vpcv1.VolumeAttachmentPrototypeInstanceByImageContext{\n  1277→  1277→\t\t\tVolume: &vpcv1.VolumePrototypeInstanceByImageContext{\n  1278→  1278→\t\t\t\tName: &[]string{fmt.Sprintf(\"%s-boot\", instanceName)}[0],\n  1279→  1279→\t\t\t\tProfile: &vpcv1.VolumeProfileIdentityByName{\n  1280→  1280→\t\t\t\t\tName: &[]string{\"general-purpose\"}[0],\n  1281→  1281→\t\t\t\t},\n  1282→  1282→\t\t\t\tCapacity: &[]int64{100}[0],\n  1283→  1283→\t\t\t},\n  1284→  1284→\t\t\tDeleteVolumeOnInstanceDelete: &[]bool{true}[0],\n  1285→  1285→\t\t}\n  1286→  1286→\t\treturn defaultBootVolume, nil, nil\n  1287→  1287→\t}\n  1288→  1288→\n  1289→  1289→\t// Process block device mappings\n  1290→  1290→\tvar bootVolumeAttachment *vpcv1.VolumeAttachmentPrototypeInstanceByImageContext\n  1291→  1291→\tvar additionalVolumes []vpcv1.VolumeAttachmentPrototype\n  1292→  1292→\n  1293→  1293→\tfor _, mapping := range nodeClass.Spec.BlockDeviceMappings {\n  1294→  1294→\t\tif mapping.RootVolume {\n  1295→  1295→\t\t\t// Build boot volume from mapping\n  1296→  1296→\t\t\tbootVolume := &vpcv1.VolumePrototypeInstanceByImageContext{\n  1297→  1297→\t\t\t\tName: &[]string{fmt.Sprintf(\"%s-boot\", instanceName)}[0],\n  1298→  1298→\t\t\t}\n  1299→  1299→\n  1300→  1300→\t\t\t// Set volume spec if provided\n  1301→  1301→\t\t\tif mapping.VolumeSpec != nil {\n  1302→  1302→\t\t\t\t// Set capacity if specified\n  1303→  1303→\t\t\t\tif mapping.VolumeSpec.Capacity != nil {\n  1304→  1304→\t\t\t\t\tbootVolume.Capacity = mapping.VolumeSpec.Capacity\n  1305→  1305→\t\t\t\t} else {\n  1306→  1306→\t\t\t\t\t// Default to 100GB if not specified\n  1307→  1307→\t\t\t\t\tbootVolume.Capacity = &[]int64{100}[0]\n  1308→  1308→\t\t\t\t}\n  1309→  1309→\n  1310→  1310→\t\t\t\t// Set profile if specified\n  1311→  1311→\t\t\t\tif mapping.VolumeSpec.Profile != nil {\n  1312→  1312→\t\t\t\t\tbootVolume.Profile = &vpcv1.VolumeProfileIdentityByName{\n  1313→  1313→\t\t\t\t\t\tName: mapping.VolumeSpec.Profile,\n  1314→  1314→\t\t\t\t\t}\n  1315→  1315→\t\t\t\t} else {\n  1316→  1316→\t\t\t\t\t// Default to general-purpose\n  1317→  1317→\t\t\t\t\tbootVolume.Profile = &vpcv1.VolumeProfileIdentityByName{\n  1318→  1318→\t\t\t\t\t\tName: &[]string{\"general-purpose\"}[0],\n  1319→  1319→\t\t\t\t\t}\n  1320→  1320→\t\t\t\t}\n  1321→  1321→\n  1322→  1322→\t\t\t\t// Set IOPS if specified (for custom profiles)\n  1323→  1323→\t\t\t\tif mapping.VolumeSpec.IOPS != nil {\n  1324→  1324→\t\t\t\t\tbootVolume.Iops = mapping.VolumeSpec.IOPS\n  1325→  1325→\t\t\t\t}\n  1326→  1326→\n  1327→  1327→\t\t\t\t// Set bandwidth if specified\n  1328→  1328→\t\t\t\tif mapping.VolumeSpec.Bandwidth != nil {\n  1329→  1329→\t\t\t\t\tbootVolume.Bandwidth = mapping.VolumeSpec.Bandwidth\n  1330→  1330→\t\t\t\t}\n  1331→  1331→\n  1332→  1332→\t\t\t\t// Set encryption key if specified\n  1333→  1333→\t\t\t\tif mapping.VolumeSpec.EncryptionKeyID != nil {\n  1334→  1334→\t\t\t\t\tbootVolume.EncryptionKey = &vpcv1.EncryptionKeyIdentityByCRN{\n  1335→  1335→\t\t\t\t\t\tCRN: mapping.VolumeSpec.EncryptionKeyID,\n  1336→  1336→\t\t\t\t\t}\n  1337→  1337→\t\t\t\t}\n  1338→  1338→\n  1339→  1339→\t\t\t\t// Set user tags if specified\n  1340→  1340→\t\t\t\tif len(mapping.VolumeSpec.Tags) > 0 {\n  1341→  1341→\t\t\t\t\tbootVolume.UserTags = mapping.VolumeSpec.Tags\n  1342→  1342→\t\t\t\t}\n  1343→  1343→\t\t\t} else {\n  1344→  1344→\t\t\t\t// Use defaults if no volume spec\n  1345→  1345→\t\t\t\tbootVolume.Capacity = &[]int64{100}[0]\n  1346→  1346→\t\t\t\tbootVolume.Profile = &vpcv1.VolumeProfileIdentityByName{\n  1347→  1347→\t\t\t\t\tName: &[]string{\"general-purpose\"}[0],\n  1348→  1348→\t\t\t\t}\n  1349→  1349→\t\t\t}\n  1350→  1350→\n  1351→  1351→\t\t\t// Set delete on termination (default true)\n  1352→  1352→\t\t\tdeleteOnTermination := true\n  1353→  1353→\t\t\tif mapping.VolumeSpec != nil && mapping.VolumeSpec.DeleteOnTermination != nil {\n  1354→  1354→\t\t\t\tdeleteOnTermination = *mapping.VolumeSpec.DeleteOnTermination\n  1355→  1355→\t\t\t}\n  1356→  1356→\n  1357→  1357→\t\t\tbootVolumeAttachment = &vpcv1.VolumeAttachmentPrototypeInstanceByImageContext{\n  1358→  1358→\t\t\t\tVolume:                       bootVolume,\n  1359→  1359→\t\t\t\tDeleteVolumeOnInstanceDelete: &deleteOnTermination,\n  1360→  1360→\t\t\t}\n  1361→  1361→\n  1362→  1362→\t\t\t// Set device name if specified\n  1363→  1363→\t\t\tif mapping.DeviceName != nil {\n  1364→  1364→\t\t\t\tbootVolumeAttachment.Name = mapping.DeviceName\n  1365→  1365→\t\t\t}\n  1366→  1366→\t\t} else {\n  1367→  1367→\t\t\t// Build additional data volume\n  1368→  1368→\t\t\tif mapping.VolumeSpec == nil {\n  1369→  1369→\t\t\t\tcontinue // Skip if no volume spec for data volume\n  1370→  1370→\t\t\t}\n  1371→  1371→\n  1372→  1372→\t\t\tvolumeName := fmt.Sprintf(\"%s-data-%d\", instanceName, len(additionalVolumes))\n  1373→  1373→\t\t\tif mapping.DeviceName != nil {\n  1374→  1374→\t\t\t\tvolumeName = *mapping.DeviceName\n  1375→  1375→\t\t\t}\n  1376→  1376→\n  1377→  1377→\t\t\t// Set delete on termination (default true)\n  1378→  1378→\t\t\tdeleteOnTermination := true\n  1379→  1379→\t\t\tif mapping.VolumeSpec.DeleteOnTermination != nil {\n  1380→  1380→\t\t\t\tdeleteOnTermination = *mapping.VolumeSpec.DeleteOnTermination\n  1381→  1381→\t\t\t}\n  1382→  1382→\n  1383→  1383→\t\t\t// Use concrete oneOf type for volume creation by capacity\n  1384→  1384→\t\t\t// This is required for proper JSON marshaling with discriminator\n  1385→  1385→\t\t\tvolumeProto := &vpcv1.VolumeAttachmentPrototypeVolumeVolumePrototypeInstanceContextVolumePrototypeInstanceContextVolumeByCapacity{\n  1386→  1386→\t\t\t\tName: &volumeName,\n  1387→  1387→\t\t\t}\n  1388→  1388→\n  1389→  1389→\t\t\t// Set capacity (required field for byCapacity variant)\n  1390→  1390→\t\t\tif mapping.VolumeSpec.Capacity != nil {\n  1391→  1391→\t\t\t\tvolumeProto.Capacity = mapping.VolumeSpec.Capacity\n  1392→  1392→\t\t\t} else {\n  1393→  1393→\t\t\t\t// Default to 100GB for data volumes\n  1394→  1394→\t\t\t\tvolumeProto.Capacity = &[]int64{100}[0]\n  1395→  1395→\t\t\t}\n  1396→  1396→\n  1397→  1397→\t\t\t// Set profile (required field)\n  1398→  1398→\t\t\tif mapping.VolumeSpec.Profile != nil {\n  1399→  1399→\t\t\t\tvolumeProto.Profile = &vpcv1.VolumeProfileIdentityByName{"}]},"uuid":"166859ac-d7ef-4397-990e-62710dab3a61","timestamp":"2026-02-28T15:01:14.395Z"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"3d1d3b15-a865-4479-a2e9-aaf615fd7012","timestamp":"2026-02-28T15:01:14.450Z"}
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{"parentUuid":"31eeda2e-a80c-40b4-a2e7-a0fb02573928","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01XFNH5HMLSi2eJRuz8WYCRm","type":"tool_result","content":"324:\tlogger.Info(\"Initiated VPC instance creation with VNI\", \"instance_profile\", instanceProfile, \"zone\", zone, \"subnet\", subnet)\n327:\tvniPrototype := &vpcv1.InstanceNetworkAttachmentPrototypeVirtualNetworkInterfaceVirtualNetworkInterfacePrototypeInstanceNetworkAttachmentContext{\n335:\t\t// Set protocol state filtering to auto for proper instance network attachment\n338:\t\tName: &[]string{fmt.Sprintf(\"%s-vni\", nodeClaim.Name)}[0],\n343:\t// Add resource group to VNI (required for oneOf validation)\n344:\t// The VNI prototype requires a resource group to satisfy oneOf constraint\n348:\t\t\treturn nil, fmt.Errorf(\"resolving resource group for VNI %s: %w\", nodeClass.Spec.ResourceGroup, rgErr)\n350:\t\tvniPrototype.ResourceGroup = &vpcv1.ResourceGroupIdentityByID{\n353:\t\tlogger.Info(\"VNI resource group set\", \"input\", nodeClass.Spec.ResourceGroup, \"resolved_id\", resourceGroupID)\n355:\t\t// If no resource group specified, the VNI will use the account default\n357:\t\tlogger.Info(\"Used account default for VNI as no resource group was specified\")\n368:\t\tvniPrototype.SecurityGroups = securityGroups\n370:\t\tlogger.Info(\"Applied security groups to VNI\", \"security_groups\", nodeClass.Spec.SecurityGroups, \"count\", len(securityGroups))\n377:\t\tvniPrototype.SecurityGroups = []vpcv1.SecurityGroupIdentityIntf{\n381:\t\tlogger.Info(\"Used default security group for VNI\", \"security_group\", *defaultSG.ID)\n384:\t// Create primary network attachment with VNI\n393:\t\tVirtualNetworkInterface: vniPrototype,\n514:\tif nodeClass.Spec.PlacementTarget != \"\" {\n515:\t\tinstancePrototype.PlacementTarget = &vpcv1.InstancePlacementTargetPrototype{\n516:\t\t\tID: &nodeClass.Spec.PlacementTarget,\n593:\t\t\"PlacementTarget\", nodeClass.Spec.PlacementTarget,\n601:\t\t\"hasPlacementTarget\", instancePrototype.PlacementTarget != nil,\n639:\t\t\"primary_network_attachment\", instancePrototype.PrimaryNetworkAttachment != nil,\n644:\t\t\"placement_target\", instancePrototype.PlacementTarget,\n784:\t// Log network attachment details\n787:\t\t\tlogger.Info(\"Logged network attachment in response\",\n806:\t// Verify network attachment was applied correctly\n808:\t\tlogger.Info(\"Instance created with VNI network attachment\", \"attachment_id\", *instance.NetworkAttachments[0].ID)\n812:\t\tlogger.Info(\"Instance created but network attachment information not available in response\")\n1156:\t\t// These errors can occur after VNI creation but before instance completion\n1176:\t// Look for orphaned VNIs with the expected name pattern\n1177:\tvniName := fmt.Sprintf(\"%s-vni\", instanceName)\n1178:\tif err := p.cleanupOrphanedVNI(ctx, vpcClient, vniName, vpcID, logger); err != nil {\n1179:\t\terrors = append(errors, fmt.Errorf(\"cleaning up VNI %s: %w\", vniName, err))\n1196:// cleanupOrphanedVNI removes a VNI that might have been created during failed instance creation\n1197:func (p *VPCInstanceProvider) cleanupOrphanedVNI(ctx context.Context, vpcClient *ibm.VPCClient, vniName, vpcID string, logger logr.Logger) error {\n1198:\tlogger.Info(\"Searched for orphaned VNI to cleanup\", \"vni_name\", vniName, \"vpc_id\", vpcID)\n1202:\t\t// Note: VNI listing doesn't support name filtering, so we list all and filter manually\n1205:\tvnis, err := vpcClient.ListVirtualNetworkInterfaces(ctx, options)\n1210:\t// Look for VNI with matching name\n1211:\tfor _, vni := range vnis.VirtualNetworkInterfaces {\n1212:\t\tif vni.Name != nil && *vni.Name == vniName {\n1213:\t\t\tlogger.Info(\"Found orphaned VNI and initiated deletion\", \"vni_id\", *vni.ID, \"vni_name\", vniName)\n1215:\t\t\tif err := vpcClient.DeleteVirtualNetworkInterface(ctx, *vni.ID); err != nil {\n1218:\t\t\t\t\tlogger.Info(\"VNI already deleted during cleanup\", \"vni_id\", *vni.ID)\n1221:\t\t\t\treturn fmt.Errorf(\"deleting orphaned VNI %s: %w\", *vni.ID, err)\n1224:\t\t\tlogger.Info(\"Successfully cleaned up orphaned VNI\", \"vni_id\", *vni.ID, \"vni_name\", vniName)\n1229:\tlogger.Info(\"No orphaned VNI found with expected name\", \"vni_name\", vniName)","is_error":false}]},"uuid":"485871ca-940c-4fa3-b8f0-b532d6bce0b8","timestamp":"2026-02-28T15:01:20.290Z"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"ddace7f0-5a4a-45bd-b420-c612b657df7d","timestamp":"2026-02-28T15:01:20.333Z"}
{"parentUuid":"ddace7f0-5a4a-45bd-b420-c612b657df7d","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"assistant","timestamp":"2026-02-28T15:01:23.808Z","message":{"model":"claude-sonnet-4-6","id":"msg_01GRpXahiFVrr61cedpqNkwQ","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01SCPLAFJPa2ed6RbvmXFs1a","name":"Bash","input":{"command":"grep -n \"TODO\\|FIXME\\|NOTE\\|IBM Cloud pricing\\|uniform\\|region-level\\|zone.*price\\|price.*zone\" /home/josie/development/kubernetes/karpenter-ibm/pkg/providers/common/pricing/ibm_provider.go","description":"Check pricing comments about region-level pricing"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1479,"cache_read_input_tokens":87762,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1479},"output_tokens":25,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"requestId":"req_011CYafhkozYQtqCDqpv7wwX","uuid":"6e0eeecd-d129-4ed3-b53a-62d09ace4aea"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"3de549a9-c306-4c04-9344-fbbb1765d6b5","timestamp":"2026-02-28T15:01:23.809Z"}
{"parentUuid":"3de549a9-c306-4c04-9344-fbbb1765d6b5","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01SCPLAFJPa2ed6RbvmXFs1a","type":"tool_result","content":"33:// IBMPricingProvider implements the Provider interface for IBM Cloud pricing\n37:\tpricingMap     map[string]map[string]float64 // instanceType -> zone -> price\n45:// NewIBMPricingProvider creates a new IBM Cloud pricing provider\n64:// GetPrice returns the hourly price for the specified instance type in the given zone\n66:\tcacheKey := fmt.Sprintf(\"price:%s:%s\", instanceType, zone)\n86:\t\tif price, exists := zoneMap[zone]; exists {\n109:// GetPrices returns a map of instance type to price for all instance types in the given zone\n126:\t\tif price, exists := zoneMap[zone]; exists {\n210:\t\t// IBM Cloud pricing is typically uniform across zones in a region\n211:\t\t// Set the same price for all zones across all regions\n214:\t\t\t\tpricingMap[instanceTypeName][zone] = price","is_error":false}]},"uuid":"25e6a632-e7e2-40fb-8e15-7fbfe94014ed","timestamp":"2026-02-28T15:01:23.873Z"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"57295f13-ecdc-4ba0-a254-da126f7b3c37","timestamp":"2026-02-28T15:01:23.911Z"}
{"parentUuid":"57295f13-ecdc-4ba0-a254-da126f7b3c37","isSidechain":false,"userType":"external","cwd":"/home/josie/development/kubernetes/karpenter-ibm","sessionId":"373fe3e0-7a5e-4df7-8926-717aecb51f1d","version":"2.1.63","gitBranch":"dependabot/go_modules/github.com/IBM/platform-services-go-sdk-0.94.3","slug":"typed-puzzling-tower","type":"progress","data":{"message":{"type":"assistant","timestamp":"2026-02-28T15:01:26.188Z","message":{"model":"claude-sonnet-4-6","id":"msg_01FnLZ5fxXf8LEAYTVqTsjjR","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_015AJB5iF5cuveR8GTMfMj7R","name":"Bash","input":{"command":"grep -n \"TODO\\|FIXME\\|NOTE\\|mock\\|generate\\|go:generate\" /home/josie/development/kubernetes/karpenter-ibm/pkg/providers/common/pricing/provider.go","description":"Check provider.go for mock generation directive"},"caller":{"type":"direct"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":368,"cache_read_input_tokens":89241,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":368},"output_tokens":19,"service_tier":"standard","inference_geo":"not_available"},"context_management":null},"requestId":"req_011CYafi2FBeM4U59QAwVjsc","uuid":"2d6e9103-d22d-4c22-b65d-dff952452cb0"},"normalizedMessages":[],"type":"agent_progress","prompt":"","agentId":"a169670ebee53d8b1"},"toolUseID":"agent_msg_013UiLyrFDgC5YR6eirqtmwu","parentToolUseID":"toolu_019mb1ALaqWHHdNpSgZZFH3g","uuid":"7166f095-6430-433a-aa40-e5922fd14aa4","timestamp":"2026-02-28T15:01:26.188Z"}
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