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Merge pull request #116054 from jpbetz/secondary-authz

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KEP-3488: Implement secondary authz for ValidatingAdmissionPolicy
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Kubernetes Prow Robot
2023-03-06 11:54:16 -08:00
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parent 7a4c4eaae7 4d30c43494
commit 64259b43b8
28 changed files with 1363 additions and 106 deletions
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pkg/generated/openapi/zz_generated.openapi.go generated
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@@ -2407,7 +2407,7 @@ func schema_k8sio_api_admissionregistration_v1alpha1_Validation(ref common.Refer
Properties: map[string]spec.Schema{
"expression": {
SchemaProps: spec.SchemaProps{
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.",
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. - 'authorizer' - A CEL Authorizer. May be used to perform authorization checks for the principal (user or service account) of the request.\n See https://pkg.go.dev/k8s.io/apiserver/pkg/cel/library#Authz\n- 'authorizer.requestResource' - A CEL ResourceCheck constructed from the 'authorizer' and configured with the\n request resource.\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.",
Default: "",
Type: []string{"string"},
Format: "",