#
k8s_openapi/v1_35/api/resource/v1beta1/
cel_device_selector.rs

    1// Generated from definition io.k8s.api.resource.v1beta1.CELDeviceSelector
    2
    3/// CELDeviceSelector contains a CEL expression for selecting a device.
    4#[derive(Clone, Debug, Default, PartialEq)]
    5pub struct CELDeviceSelector {
    6    /// Expression is a CEL expression which evaluates a single device. It must evaluate to true when the device under consideration satisfies the desired criteria, and false when it does not. Any other result is an error and causes allocation of devices to abort.
    7    ///
    8    /// The expression's input is an object named "device", which carries the following properties:
    9    ///  - driver (string): the name of the driver which defines this device.
    10    ///  - attributes (map\[string\]object): the device's attributes, grouped by prefix
    11    ///    (e.g. device.attributes\["dra.example.com"\] evaluates to an object with all
    12    ///    of the attributes which were prefixed by "dra.example.com".
    13    ///  - capacity (map\[string\]object): the device's capacities, grouped by prefix.
    14    ///  - allowMultipleAllocations (bool): the allowMultipleAllocations property of the device
    15    ///    (v1.34+ with the DRAConsumableCapacity feature enabled).
    16    ///
    17    /// Example: Consider a device with driver="dra.example.com", which exposes two attributes named "model" and "ext.example.com/family" and which exposes one capacity named "modules". This input to this expression would have the following fields:
    18    ///
    19    ///   device.driver
    20    ///     device.attributes\["dra.example.com"\].model
    21    ///     device.attributes\["ext.example.com"\].family
    22    ///     device.capacity\["dra.example.com"\].modules
    23    ///
    24    /// The device.driver field can be used to check for a specific driver, either as a high-level precondition (i.e. you only want to consider devices from this driver) or as part of a multi-clause expression that is meant to consider devices from different drivers.
    25    ///
    26    /// The value type of each attribute is defined by the device definition, and users who write these expressions must consult the documentation for their specific drivers. The value type of each capacity is Quantity.
    27    ///
    28    /// If an unknown prefix is used as a lookup in either device.attributes or device.capacity, an empty map will be returned. Any reference to an unknown field will cause an evaluation error and allocation to abort.
    29    ///
    30    /// A robust expression should check for the existence of attributes before referencing them.
    31    ///
    32    /// For ease of use, the cel.bind() function is enabled, and can be used to simplify expressions that access multiple attributes with the same domain. For example:
    33    ///
    34    ///   cel.bind(dra, device.attributes\["dra.example.com"\], dra.someBool && dra.anotherBool)
    35    ///
    36    /// The length of the expression must be smaller or equal to 10 Ki. The cost of evaluating it is also limited based on the estimated number of logical steps.
    37    pub expression: std::string::String,
    38}
    39
    40impl crate::DeepMerge for CELDeviceSelector {
    41    fn merge_from(&mut self, other: Self) {
    42        crate::DeepMerge::merge_from(&mut self.expression, other.expression);
    43    }
    44}
    45
    46impl<'de> crate::serde::Deserialize<'de> for CELDeviceSelector {
    47    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: crate::serde::Deserializer<'de> {
    48        #[allow(non_camel_case_types)]
    49        enum Field {
    50            Key_expression,
    51            Other,
    52        }
    53
    54        impl<'de> crate::serde::Deserialize<'de> for Field {
    55            fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: crate::serde::Deserializer<'de> {
    56                struct Visitor;
    57
    58                impl crate::serde::de::Visitor<'_> for Visitor {
    59                    type Value = Field;
    60
    61                    fn expecting(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
    62                        f.write_str("field identifier")
    63                    }
    64
    65                    fn visit_str<E>(self, v: &str) -> Result<Self::Value, E> where E: crate::serde::de::Error {
    66                        Ok(match v {
    67                            "expression" => Field::Key_expression,
    68                            _ => Field::Other,
    69                        })
    70                    }
    71                }
    72
    73                deserializer.deserialize_identifier(Visitor)
    74            }
    75        }
    76
    77        struct Visitor;
    78
    79        impl<'de> crate::serde::de::Visitor<'de> for Visitor {
    80            type Value = CELDeviceSelector;
    81
    82            fn expecting(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
    83                f.write_str("CELDeviceSelector")
    84            }
    85
    86            fn visit_map<A>(self, mut map: A) -> Result<Self::Value, A::Error> where A: crate::serde::de::MapAccess<'de> {
    87                let mut value_expression: Option<std::string::String> = None;
    88
    89                while let Some(key) = crate::serde::de::MapAccess::next_key::<Field>(&mut map)? {
    90                    match key {
    91                        Field::Key_expression => value_expression = crate::serde::de::MapAccess::next_value(&mut map)?,
    92                        Field::Other => { let _: crate::serde::de::IgnoredAny = crate::serde::de::MapAccess::next_value(&mut map)?; },
    93                    }
    94                }
    95
    96                Ok(CELDeviceSelector {
    97                    expression: value_expression.unwrap_or_default(),
    98                })
    99            }
    100        }
    101
    102        deserializer.deserialize_struct(
    103            "CELDeviceSelector",
    104            &[
    105                "expression",
    106            ],
    107            Visitor,
    108        )
    109    }
    110}
    111
    112impl crate::serde::Serialize for CELDeviceSelector {
    113    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: crate::serde::Serializer {
    114        let mut state = serializer.serialize_struct(
    115            "CELDeviceSelector",
    116            1,
    117        )?;
    118        crate::serde::ser::SerializeStruct::serialize_field(&mut state, "expression", &self.expression)?;
    119        crate::serde::ser::SerializeStruct::end(state)
    120    }
    121}
    122
    123#[cfg(feature = "schemars")]
    124impl crate::schemars::JsonSchema for CELDeviceSelector {
    125    fn schema_name() -> std::borrow::Cow<'static, str> {
    126        "io.k8s.api.resource.v1beta1.CELDeviceSelector".into()
    127    }
    128
    129    fn json_schema(__gen: &mut crate::schemars::SchemaGenerator) -> crate::schemars::Schema {
    130        crate::schemars::json_schema!({
    131            "description": "CELDeviceSelector contains a CEL expression for selecting a device.",
    132            "type": "object",
    133            "properties": {
    134                "expression": {
    135                    "description": "Expression is a CEL expression which evaluates a single device. It must evaluate to true when the device under consideration satisfies the desired criteria, and false when it does not. Any other result is an error and causes allocation of devices to abort.\n\nThe expression's input is an object named \"device\", which carries the following properties:\n - driver (string): the name of the driver which defines this device.\n - attributes (map[string]object): the device's attributes, grouped by prefix\n   (e.g. device.attributes[\"dra.example.com\"] evaluates to an object with all\n   of the attributes which were prefixed by \"dra.example.com\".\n - capacity (map[string]object): the device's capacities, grouped by prefix.\n - allowMultipleAllocations (bool): the allowMultipleAllocations property of the device\n   (v1.34+ with the DRAConsumableCapacity feature enabled).\n\nExample: Consider a device with driver=\"dra.example.com\", which exposes two attributes named \"model\" and \"ext.example.com/family\" and which exposes one capacity named \"modules\". This input to this expression would have the following fields:\n\n    device.driver\n    device.attributes[\"dra.example.com\"].model\n    device.attributes[\"ext.example.com\"].family\n    device.capacity[\"dra.example.com\"].modules\n\nThe device.driver field can be used to check for a specific driver, either as a high-level precondition (i.e. you only want to consider devices from this driver) or as part of a multi-clause expression that is meant to consider devices from different drivers.\n\nThe value type of each attribute is defined by the device definition, and users who write these expressions must consult the documentation for their specific drivers. The value type of each capacity is Quantity.\n\nIf an unknown prefix is used as a lookup in either device.attributes or device.capacity, an empty map will be returned. Any reference to an unknown field will cause an evaluation error and allocation to abort.\n\nA robust expression should check for the existence of attributes before referencing them.\n\nFor ease of use, the cel.bind() function is enabled, and can be used to simplify expressions that access multiple attributes with the same domain. For example:\n\n    cel.bind(dra, device.attributes[\"dra.example.com\"], dra.someBool && dra.anotherBool)\n\nThe length of the expression must be smaller or equal to 10 Ki. The cost of evaluating it is also limited based on the estimated number of logical steps.",
    136                    "type": "string",
    137                },
    138            },
    139            "required": [
    140                "expression",
    141            ],
    142        })
    143    }
    144}