{ "description": "ValidatingAdmissionPolicySpec is the specification of the desired behavior of the AdmissionPolicy.", "properties": { "failurePolicy": { "description": "FailurePolicy defines how to handle failures for the admission policy. Failures can occur from invalid or mis-configured policy definitions or bindings. A policy is invalid if spec.paramKind refers to a non-existent Kind. A binding is invalid if spec.paramRef.name refers to a non-existent resource. Allowed values are Ignore or Fail. Defaults to Fail.", "type": [ "string", "null" ] }, "matchConstraints": { "description": "MatchResources decides whether to run the admission control policy on an object based on whether it meets the match criteria. The exclude rules take precedence over include rules (if a resource matches both, it is excluded)", "properties": { "excludeResourceRules": { "description": "ExcludeResourceRules describes what operations on what resources/subresources the ValidatingAdmissionPolicy should not care about. The exclude rules take precedence over include rules (if a resource matches both, it is excluded)", "items": { "description": "NamedRuleWithOperations is a tuple of Operations and Resources with ResourceNames.", "properties": { "apiGroups": { "description": "APIGroups is the API groups the resources belong to. '*' is all groups. If '*' is present, the length of the slice must be one. Required.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "apiVersions": { "description": "APIVersions is the API versions the resources belong to. '*' is all versions. If '*' is present, the length of the slice must be one. Required.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "operations": { "description": "Operations is the operations the admission hook cares about - CREATE, UPDATE, DELETE, CONNECT or * for all of those operations and any future admission operations that are added. If '*' is present, the length of the slice must be one. Required.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "resourceNames": { "description": "ResourceNames is an optional white list of names that the rule applies to. An empty set means that everything is allowed.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "resources": { "description": "Resources is a list of resources this rule applies to.\n\nFor example: 'pods' means pods. 'pods/log' means the log subresource of pods. '*' means all resources, but not subresources. 'pods/*' means all subresources of pods. '*/scale' means all scale subresources. '*/*' means all resources and their subresources.\n\nIf wildcard is present, the validation rule will ensure resources do not overlap with each other.\n\nDepending on the enclosing object, subresources might not be allowed. Required.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "scope": { "description": "scope specifies the scope of this rule. Valid values are \"Cluster\", \"Namespaced\", and \"*\" \"Cluster\" means that only cluster-scoped resources will match this rule. Namespace API objects are cluster-scoped. \"Namespaced\" means that only namespaced resources will match this rule. \"*\" means that there are no scope restrictions. Subresources match the scope of their parent resource. Default is \"*\".", "type": [ "string", "null" ] } }, "type": [ "object", "null" ], "x-kubernetes-map-type": "atomic" }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "matchPolicy": { "description": "matchPolicy defines how the \"MatchResources\" list is used to match incoming requests. Allowed values are \"Exact\" or \"Equivalent\".\n\n- Exact: match a request only if it exactly matches a specified rule. For example, if deployments can be modified via apps/v1, apps/v1beta1, and extensions/v1beta1, but \"rules\" only included `apiGroups:[\"apps\"], apiVersions:[\"v1\"], resources: [\"deployments\"]`, a request to apps/v1beta1 or extensions/v1beta1 would not be sent to the ValidatingAdmissionPolicy.\n\n- Equivalent: match a request if modifies a resource listed in rules, even via another API group or version. For example, if deployments can be modified via apps/v1, apps/v1beta1, and extensions/v1beta1, and \"rules\" only included `apiGroups:[\"apps\"], apiVersions:[\"v1\"], resources: [\"deployments\"]`, a request to apps/v1beta1 or extensions/v1beta1 would be converted to apps/v1 and sent to the ValidatingAdmissionPolicy.\n\nDefaults to \"Equivalent\"", "type": [ "string", "null" ] }, "namespaceSelector": { "description": "A label selector is a label query over a set of resources. The result of matchLabels and matchExpressions are ANDed. An empty label selector matches all objects. A null label selector matches no objects.", "properties": { "matchExpressions": { "description": "matchExpressions is a list of label selector requirements. The requirements are ANDed.", "items": { "description": "A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values.", "properties": { "key": { "description": "key is the label key that the selector applies to.", "type": "string", "x-kubernetes-patch-merge-key": "key", "x-kubernetes-patch-strategy": "merge" }, "operator": { "description": "operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist.", "type": "string" }, "values": { "description": "values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ] } }, "required": [ "key", "operator" ], "type": [ "object", "null" ] }, "type": [ "array", "null" ] }, "matchLabels": { "additionalProperties": { "type": [ "string", "null" ] }, "description": "matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is \"key\", the operator is \"In\", and the values array contains only \"value\". The requirements are ANDed.", "type": [ "object", "null" ] } }, "type": [ "object", "null" ], "x-kubernetes-map-type": "atomic" }, "objectSelector": { "description": "A label selector is a label query over a set of resources. The result of matchLabels and matchExpressions are ANDed. An empty label selector matches all objects. A null label selector matches no objects.", "properties": { "matchExpressions": { "description": "matchExpressions is a list of label selector requirements. The requirements are ANDed.", "items": { "description": "A label selector requirement is a selector that contains values, a key, and an operator that relates the key and values.", "properties": { "key": { "description": "key is the label key that the selector applies to.", "type": "string", "x-kubernetes-patch-merge-key": "key", "x-kubernetes-patch-strategy": "merge" }, "operator": { "description": "operator represents a key's relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist.", "type": "string" }, "values": { "description": "values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ] } }, "required": [ "key", "operator" ], "type": [ "object", "null" ] }, "type": [ "array", "null" ] }, "matchLabels": { "additionalProperties": { "type": [ "string", "null" ] }, "description": "matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is \"key\", the operator is \"In\", and the values array contains only \"value\". The requirements are ANDed.", "type": [ "object", "null" ] } }, "type": [ "object", "null" ], "x-kubernetes-map-type": "atomic" }, "resourceRules": { "description": "ResourceRules describes what operations on what resources/subresources the ValidatingAdmissionPolicy matches. The policy cares about an operation if it matches _any_ Rule.", "items": { "description": "NamedRuleWithOperations is a tuple of Operations and Resources with ResourceNames.", "properties": { "apiGroups": { "description": "APIGroups is the API groups the resources belong to. '*' is all groups. If '*' is present, the length of the slice must be one. Required.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "apiVersions": { "description": "APIVersions is the API versions the resources belong to. '*' is all versions. If '*' is present, the length of the slice must be one. Required.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "operations": { "description": "Operations is the operations the admission hook cares about - CREATE, UPDATE, DELETE, CONNECT or * for all of those operations and any future admission operations that are added. If '*' is present, the length of the slice must be one. Required.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "resourceNames": { "description": "ResourceNames is an optional white list of names that the rule applies to. An empty set means that everything is allowed.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "resources": { "description": "Resources is a list of resources this rule applies to.\n\nFor example: 'pods' means pods. 'pods/log' means the log subresource of pods. '*' means all resources, but not subresources. 'pods/*' means all subresources of pods. '*/scale' means all scale subresources. '*/*' means all resources and their subresources.\n\nIf wildcard is present, the validation rule will ensure resources do not overlap with each other.\n\nDepending on the enclosing object, subresources might not be allowed. Required.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "scope": { "description": "scope specifies the scope of this rule. Valid values are \"Cluster\", \"Namespaced\", and \"*\" \"Cluster\" means that only cluster-scoped resources will match this rule. Namespace API objects are cluster-scoped. \"Namespaced\" means that only namespaced resources will match this rule. \"*\" means that there are no scope restrictions. Subresources match the scope of their parent resource. Default is \"*\".", "type": [ "string", "null" ] } }, "type": [ "object", "null" ], "x-kubernetes-map-type": "atomic" }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" } }, "type": [ "object", "null" ], "x-kubernetes-map-type": "atomic" }, "paramKind": { "description": "ParamKind is a tuple of Group Kind and Version.", "properties": { "apiVersion": { "description": "APIVersion is the API group version the resources belong to. In format of \"group/version\". Required.", "type": [ "string", "null" ] }, "kind": { "description": "Kind is the API kind the resources belong to. Required.", "type": [ "string", "null" ] } }, "type": [ "object", "null" ], "x-kubernetes-map-type": "atomic" }, "validations": { "description": "Validations contain CEL expressions which is used to apply the validation. A minimum of one validation is required for a policy definition. Required.", "items": { "description": "Validation specifies the CEL expression which is used to apply the validation.", "properties": { "expression": { "description": "Expression represents the expression which will be evaluated by CEL. ref: https://github.com/google/cel-spec CEL expressions have access to the contents of the Admission request/response, organized into CEL variables as well as some other useful variables:\n\n'object' - The object from the incoming request. The value is null for DELETE requests. 'oldObject' - The existing object. The value is null for CREATE requests. 'request' - Attributes of the admission request([ref](/pkg/apis/admission/types.go#AdmissionRequest)). 'params' - Parameter resource referred to by the policy binding being evaluated. Only populated if the policy has a ParamKind.\n\nThe `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the object. No other metadata properties are accessible.\n\nOnly property names of the form `[a-zA-Z_.-/][a-zA-Z0-9_.-/]*` are accessible. Accessible property names are escaped according to the following rules when accessed in the expression: - '__' escapes to '__underscores__' - '.' escapes to '__dot__' - '-' escapes to '__dash__' - '/' escapes to '__slash__' - Property names that exactly match a CEL RESERVED keyword escape to '__{keyword}__'. The keywords are:\n\t \"true\", \"false\", \"null\", \"in\", \"as\", \"break\", \"const\", \"continue\", \"else\", \"for\", \"function\", \"if\",\n\t \"import\", \"let\", \"loop\", \"package\", \"namespace\", \"return\".\nExamples:\n - Expression accessing a property named \"namespace\": {\"Expression\": \"object.__namespace__ > 0\"}\n - Expression accessing a property named \"x-prop\": {\"Expression\": \"object.x__dash__prop > 0\"}\n - Expression accessing a property named \"redact__d\": {\"Expression\": \"object.redact__underscores__d > 0\"}\n\nEquality on arrays with list type of 'set' or 'map' ignores element order, i.e. [1, 2] == [2, 1]. Concatenation on arrays with x-kubernetes-list-type use the semantics of the list type:\n - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and\n non-intersecting elements in `Y` are appended, retaining their partial order.\n - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values\n are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with\n non-intersecting keys are appended, retaining their partial order.\nRequired.", "type": "string" }, "message": { "description": "Message represents the message displayed when validation fails. The message is required if the Expression contains line breaks. The message must not contain line breaks. If unset, the message is \"failed rule: {Rule}\". e.g. \"must be a URL with the host matching spec.host\" If the Expression contains line breaks. Message is required. The message must not contain line breaks. If unset, the message is \"failed Expression: {Expression}\".", "type": [ "string", "null" ] }, "reason": { "description": "Reason represents a machine-readable description of why this validation failed. If this is the first validation in the list to fail, this reason, as well as the corresponding HTTP response code, are used in the HTTP response to the client. The currently supported reasons are: \"Unauthorized\", \"Forbidden\", \"Invalid\", \"RequestEntityTooLarge\". If not set, StatusReasonInvalid is used in the response to the client.", "type": [ "string", "null" ] } }, "required": [ "expression" ], "type": [ "object", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" } }, "required": [ "validations" ], "type": "object", "$schema": "http://json-schema.org/schema#" }