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1065 lines
50 KiB
Protocol Buffer
1065 lines
50 KiB
Protocol Buffer
/*
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Copyright The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// This file was autogenerated by go-to-protobuf. Do not edit it manually!
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syntax = "proto2";
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package k8s.io.api.admissionregistration.v1beta1;
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import "k8s.io/api/admissionregistration/v1/generated.proto";
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import "k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto";
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import "k8s.io/apimachinery/pkg/runtime/generated.proto";
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import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";
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// Package-wide variables from generator "generated".
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option go_package = "k8s.io/api/admissionregistration/v1beta1";
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// AuditAnnotation describes how to produce an audit annotation for an API request.
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message AuditAnnotation {
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// key specifies the audit annotation key. The audit annotation keys of
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// a ValidatingAdmissionPolicy must be unique. The key must be a qualified
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// name ([A-Za-z0-9][-A-Za-z0-9_.]*) no more than 63 bytes in length.
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//
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// The key is combined with the resource name of the
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// ValidatingAdmissionPolicy to construct an audit annotation key:
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// "{ValidatingAdmissionPolicy name}/{key}".
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//
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// If an admission webhook uses the same resource name as this ValidatingAdmissionPolicy
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// and the same audit annotation key, the annotation key will be identical.
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// In this case, the first annotation written with the key will be included
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// in the audit event and all subsequent annotations with the same key
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// will be discarded.
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//
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// Required.
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optional string key = 1;
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// valueExpression represents the expression which is evaluated by CEL to
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// produce an audit annotation value. The expression must evaluate to either
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// a string or null value. If the expression evaluates to a string, the
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// audit annotation is included with the string value. If the expression
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// evaluates to null or empty string the audit annotation will be omitted.
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// The valueExpression may be no longer than 5kb in length.
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// If the result of the valueExpression is more than 10kb in length, it
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// will be truncated to 10kb.
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//
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// If multiple ValidatingAdmissionPolicyBinding resources match an
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// API request, then the valueExpression will be evaluated for
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// each binding. All unique values produced by the valueExpressions
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// will be joined together in a comma-separated list.
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//
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// Required.
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optional string valueExpression = 2;
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}
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// ExpressionWarning is a warning information that targets a specific expression.
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message ExpressionWarning {
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// The path to the field that refers the expression.
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// For example, the reference to the expression of the first item of
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// validations is "spec.validations[0].expression"
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optional string fieldRef = 2;
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// The content of type checking information in a human-readable form.
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// Each line of the warning contains the type that the expression is checked
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// against, followed by the type check error from the compiler.
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optional string warning = 3;
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}
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// MatchCondition represents a condition which must be fulfilled for a request to be sent to a webhook.
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message MatchCondition {
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// Name is an identifier for this match condition, used for strategic merging of MatchConditions,
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// as well as providing an identifier for logging purposes. A good name should be descriptive of
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// the associated expression.
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// Name must be a qualified name consisting of alphanumeric characters, '-', '_' or '.', and
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// must start and end with an alphanumeric character (e.g. 'MyName', or 'my.name', or
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// '123-abc', regex used for validation is '([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]') with an
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// optional DNS subdomain prefix and '/' (e.g. 'example.com/MyName')
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//
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// Required.
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optional string name = 1;
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// Expression represents the expression which will be evaluated by CEL. Must evaluate to bool.
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// CEL expressions have access to the contents of the AdmissionRequest and Authorizer, organized into CEL variables:
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//
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// 'object' - The object from the incoming request. The value is null for DELETE requests.
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// 'oldObject' - The existing object. The value is null for CREATE requests.
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// 'request' - Attributes of the admission request(/pkg/apis/admission/types.go#AdmissionRequest).
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// 'authorizer' - A CEL Authorizer. May be used to perform authorization checks for the principal (user or service account) of the request.
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// See https://pkg.go.dev/k8s.io/apiserver/pkg/cel/library#Authz
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// 'authorizer.requestResource' - A CEL ResourceCheck constructed from the 'authorizer' and configured with the
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// request resource.
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// Documentation on CEL: https://kubernetes.io/docs/reference/using-api/cel/
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//
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// Required.
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optional string expression = 2;
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}
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// MatchResources decides whether to run the admission control policy on an object based
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// on whether it meets the match criteria.
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// The exclude rules take precedence over include rules (if a resource matches both, it is excluded)
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// +structType=atomic
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message MatchResources {
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// NamespaceSelector decides whether to run the admission control policy on an object based
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// on whether the namespace for that object matches the selector. If the
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// object itself is a namespace, the matching is performed on
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// object.metadata.labels. If the object is another cluster scoped resource,
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// it never skips the policy.
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//
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// For example, to run the webhook on any objects whose namespace is not
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// associated with "runlevel" of "0" or "1"; you will set the selector as
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// follows:
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// "namespaceSelector": {
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// "matchExpressions": [
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// {
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// "key": "runlevel",
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// "operator": "NotIn",
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// "values": [
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// "0",
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// "1"
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// ]
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// }
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// ]
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// }
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//
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// If instead you want to only run the policy on any objects whose
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// namespace is associated with the "environment" of "prod" or "staging";
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// you will set the selector as follows:
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// "namespaceSelector": {
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// "matchExpressions": [
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// {
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// "key": "environment",
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// "operator": "In",
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// "values": [
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// "prod",
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// "staging"
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// ]
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// }
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// ]
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// }
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//
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// See
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// https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
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// for more examples of label selectors.
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//
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// Default to the empty LabelSelector, which matches everything.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector namespaceSelector = 1;
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// ObjectSelector decides whether to run the validation based on if the
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// object has matching labels. objectSelector is evaluated against both
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// the oldObject and newObject that would be sent to the cel validation, and
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// is considered to match if either object matches the selector. A null
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// object (oldObject in the case of create, or newObject in the case of
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// delete) or an object that cannot have labels (like a
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// DeploymentRollback or a PodProxyOptions object) is not considered to
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// match.
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// Use the object selector only if the webhook is opt-in, because end
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// users may skip the admission webhook by setting the labels.
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// Default to the empty LabelSelector, which matches everything.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector objectSelector = 2;
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// ResourceRules describes what operations on what resources/subresources the ValidatingAdmissionPolicy matches.
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// The policy cares about an operation if it matches _any_ Rule.
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// +listType=atomic
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// +optional
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repeated NamedRuleWithOperations resourceRules = 3;
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// ExcludeResourceRules describes what operations on what resources/subresources the ValidatingAdmissionPolicy should not care about.
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// The exclude rules take precedence over include rules (if a resource matches both, it is excluded)
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// +listType=atomic
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// +optional
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repeated NamedRuleWithOperations excludeResourceRules = 4;
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// matchPolicy defines how the "MatchResources" list is used to match incoming requests.
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// Allowed values are "Exact" or "Equivalent".
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//
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// - Exact: match a request only if it exactly matches a specified rule.
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// For example, if deployments can be modified via apps/v1, apps/v1beta1, and extensions/v1beta1,
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// but "rules" only included `apiGroups:["apps"], apiVersions:["v1"], resources: ["deployments"]`,
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// a request to apps/v1beta1 or extensions/v1beta1 would not be sent to the ValidatingAdmissionPolicy.
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//
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// - Equivalent: match a request if modifies a resource listed in rules, even via another API group or version.
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// For example, if deployments can be modified via apps/v1, apps/v1beta1, and extensions/v1beta1,
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// and "rules" only included `apiGroups:["apps"], apiVersions:["v1"], resources: ["deployments"]`,
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// a request to apps/v1beta1 or extensions/v1beta1 would be converted to apps/v1 and sent to the ValidatingAdmissionPolicy.
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//
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// Defaults to "Equivalent"
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// +optional
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optional string matchPolicy = 7;
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}
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// MutatingWebhook describes an admission webhook and the resources and operations it applies to.
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message MutatingWebhook {
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// The name of the admission webhook.
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// Name should be fully qualified, e.g., imagepolicy.kubernetes.io, where
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// "imagepolicy" is the name of the webhook, and kubernetes.io is the name
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// of the organization.
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// Required.
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optional string name = 1;
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// ClientConfig defines how to communicate with the hook.
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// Required
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optional WebhookClientConfig clientConfig = 2;
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// Rules describes what operations on what resources/subresources the webhook cares about.
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// The webhook cares about an operation if it matches _any_ Rule.
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// However, in order to prevent ValidatingAdmissionWebhooks and MutatingAdmissionWebhooks
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// from putting the cluster in a state which cannot be recovered from without completely
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// disabling the plugin, ValidatingAdmissionWebhooks and MutatingAdmissionWebhooks are never called
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// on admission requests for ValidatingWebhookConfiguration and MutatingWebhookConfiguration objects.
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repeated k8s.io.api.admissionregistration.v1.RuleWithOperations rules = 3;
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// FailurePolicy defines how unrecognized errors from the admission endpoint are handled -
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// allowed values are Ignore or Fail. Defaults to Ignore.
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// +optional
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optional string failurePolicy = 4;
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// matchPolicy defines how the "rules" list is used to match incoming requests.
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// Allowed values are "Exact" or "Equivalent".
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//
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// - Exact: match a request only if it exactly matches a specified rule.
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// For example, if deployments can be modified via apps/v1, apps/v1beta1, and extensions/v1beta1,
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// but "rules" only included `apiGroups:["apps"], apiVersions:["v1"], resources: ["deployments"]`,
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// a request to apps/v1beta1 or extensions/v1beta1 would not be sent to the webhook.
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//
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// - Equivalent: match a request if modifies a resource listed in rules, even via another API group or version.
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// For example, if deployments can be modified via apps/v1, apps/v1beta1, and extensions/v1beta1,
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// and "rules" only included `apiGroups:["apps"], apiVersions:["v1"], resources: ["deployments"]`,
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// a request to apps/v1beta1 or extensions/v1beta1 would be converted to apps/v1 and sent to the webhook.
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//
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// Defaults to "Exact"
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// +optional
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optional string matchPolicy = 9;
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// NamespaceSelector decides whether to run the webhook on an object based
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// on whether the namespace for that object matches the selector. If the
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// object itself is a namespace, the matching is performed on
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// object.metadata.labels. If the object is another cluster scoped resource,
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// it never skips the webhook.
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//
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// For example, to run the webhook on any objects whose namespace is not
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// associated with "runlevel" of "0" or "1"; you will set the selector as
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// follows:
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// "namespaceSelector": {
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// "matchExpressions": [
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// {
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// "key": "runlevel",
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// "operator": "NotIn",
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// "values": [
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// "0",
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// "1"
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// ]
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// }
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// ]
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// }
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//
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// If instead you want to only run the webhook on any objects whose
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// namespace is associated with the "environment" of "prod" or "staging";
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// you will set the selector as follows:
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// "namespaceSelector": {
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// "matchExpressions": [
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// {
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// "key": "environment",
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// "operator": "In",
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// "values": [
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// "prod",
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// "staging"
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// ]
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// }
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// ]
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// }
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//
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// See
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// https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/
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// for more examples of label selectors.
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//
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// Default to the empty LabelSelector, which matches everything.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector namespaceSelector = 5;
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// ObjectSelector decides whether to run the webhook based on if the
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// object has matching labels. objectSelector is evaluated against both
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// the oldObject and newObject that would be sent to the webhook, and
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// is considered to match if either object matches the selector. A null
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// object (oldObject in the case of create, or newObject in the case of
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// delete) or an object that cannot have labels (like a
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// DeploymentRollback or a PodProxyOptions object) is not considered to
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// match.
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// Use the object selector only if the webhook is opt-in, because end
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// users may skip the admission webhook by setting the labels.
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// Default to the empty LabelSelector, which matches everything.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector objectSelector = 11;
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// SideEffects states whether this webhook has side effects.
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// Acceptable values are: Unknown, None, Some, NoneOnDryRun
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// Webhooks with side effects MUST implement a reconciliation system, since a request may be
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// rejected by a future step in the admission chain and the side effects therefore need to be undone.
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// Requests with the dryRun attribute will be auto-rejected if they match a webhook with
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// sideEffects == Unknown or Some. Defaults to Unknown.
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// +optional
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optional string sideEffects = 6;
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// TimeoutSeconds specifies the timeout for this webhook. After the timeout passes,
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// the webhook call will be ignored or the API call will fail based on the
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// failure policy.
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// The timeout value must be between 1 and 30 seconds.
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// Default to 30 seconds.
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// +optional
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optional int32 timeoutSeconds = 7;
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// AdmissionReviewVersions is an ordered list of preferred `AdmissionReview`
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// versions the Webhook expects. API server will try to use first version in
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// the list which it supports. If none of the versions specified in this list
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// supported by API server, validation will fail for this object.
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// If a persisted webhook configuration specifies allowed versions and does not
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// include any versions known to the API Server, calls to the webhook will fail
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// and be subject to the failure policy.
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// Default to `['v1beta1']`.
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// +optional
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repeated string admissionReviewVersions = 8;
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// reinvocationPolicy indicates whether this webhook should be called multiple times as part of a single admission evaluation.
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// Allowed values are "Never" and "IfNeeded".
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//
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// Never: the webhook will not be called more than once in a single admission evaluation.
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//
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// IfNeeded: the webhook will be called at least one additional time as part of the admission evaluation
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// if the object being admitted is modified by other admission plugins after the initial webhook call.
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// Webhooks that specify this option *must* be idempotent, able to process objects they previously admitted.
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// Note:
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// * the number of additional invocations is not guaranteed to be exactly one.
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// * if additional invocations result in further modifications to the object, webhooks are not guaranteed to be invoked again.
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// * webhooks that use this option may be reordered to minimize the number of additional invocations.
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// * to validate an object after all mutations are guaranteed complete, use a validating admission webhook instead.
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//
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// Defaults to "Never".
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// +optional
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optional string reinvocationPolicy = 10;
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// MatchConditions is a list of conditions that must be met for a request to be sent to this
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// webhook. Match conditions filter requests that have already been matched by the rules,
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// namespaceSelector, and objectSelector. An empty list of matchConditions matches all requests.
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// There are a maximum of 64 match conditions allowed.
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//
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// The exact matching logic is (in order):
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// 1. If ANY matchCondition evaluates to FALSE, the webhook is skipped.
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// 2. If ALL matchConditions evaluate to TRUE, the webhook is called.
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// 3. If any matchCondition evaluates to an error (but none are FALSE):
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// - If failurePolicy=Fail, reject the request
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// - If failurePolicy=Ignore, the error is ignored and the webhook is skipped
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//
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// This is a beta feature and managed by the AdmissionWebhookMatchConditions feature gate.
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//
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// +patchMergeKey=name
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// +patchStrategy=merge
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// +listType=map
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// +listMapKey=name
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// +featureGate=AdmissionWebhookMatchConditions
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// +optional
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repeated MatchCondition matchConditions = 12;
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}
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// MutatingWebhookConfiguration describes the configuration of and admission webhook that accept or reject and may change the object.
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// Deprecated in v1.16, planned for removal in v1.19. Use admissionregistration.k8s.io/v1 MutatingWebhookConfiguration instead.
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message MutatingWebhookConfiguration {
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// Standard object metadata; More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
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// Webhooks is a list of webhooks and the affected resources and operations.
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// +optional
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// +patchMergeKey=name
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// +patchStrategy=merge
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repeated MutatingWebhook Webhooks = 2;
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}
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// MutatingWebhookConfigurationList is a list of MutatingWebhookConfiguration.
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message MutatingWebhookConfigurationList {
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// Standard list metadata.
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// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
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// List of MutatingWebhookConfiguration.
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repeated MutatingWebhookConfiguration items = 2;
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}
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|
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// NamedRuleWithOperations is a tuple of Operations and Resources with ResourceNames.
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|
// +structType=atomic
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|
message NamedRuleWithOperations {
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// ResourceNames is an optional white list of names that the rule applies to. An empty set means that everything is allowed.
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// +listType=atomic
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// +optional
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repeated string resourceNames = 1;
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// RuleWithOperations is a tuple of Operations and Resources.
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optional k8s.io.api.admissionregistration.v1.RuleWithOperations ruleWithOperations = 2;
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}
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// ParamKind is a tuple of Group Kind and Version.
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// +structType=atomic
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message ParamKind {
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// APIVersion is the API group version the resources belong to.
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// In format of "group/version".
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// Required.
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optional string apiVersion = 1;
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// Kind is the API kind the resources belong to.
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// Required.
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|
optional string kind = 2;
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}
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// ParamRef describes how to locate the params to be used as input to
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// expressions of rules applied by a policy binding.
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// +structType=atomic
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|
message ParamRef {
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// name is the name of the resource being referenced.
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//
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// One of `name` or `selector` must be set, but `name` and `selector` are
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// mutually exclusive properties. If one is set, the other must be unset.
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//
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// A single parameter used for all admission requests can be configured
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// by setting the `name` field, leaving `selector` blank, and setting namespace
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// if `paramKind` is namespace-scoped.
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|
optional string name = 1;
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|
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// namespace is the namespace of the referenced resource. Allows limiting
|
|
// the search for params to a specific namespace. Applies to both `name` and
|
|
// `selector` fields.
|
|
//
|
|
// A per-namespace parameter may be used by specifying a namespace-scoped
|
|
// `paramKind` in the policy and leaving this field empty.
|
|
//
|
|
// - If `paramKind` is cluster-scoped, this field MUST be unset. Setting this
|
|
// field results in a configuration error.
|
|
//
|
|
// - If `paramKind` is namespace-scoped, the namespace of the object being
|
|
// evaluated for admission will be used when this field is left unset. Take
|
|
// care that if this is left empty the binding must not match any cluster-scoped
|
|
// resources, which will result in an error.
|
|
//
|
|
// +optional
|
|
optional string namespace = 2;
|
|
|
|
// selector can be used to match multiple param objects based on their labels.
|
|
// Supply selector: {} to match all resources of the ParamKind.
|
|
//
|
|
// If multiple params are found, they are all evaluated with the policy expressions
|
|
// and the results are ANDed together.
|
|
//
|
|
// One of `name` or `selector` must be set, but `name` and `selector` are
|
|
// mutually exclusive properties. If one is set, the other must be unset.
|
|
//
|
|
// +optional
|
|
optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 3;
|
|
|
|
// `parameterNotFoundAction` controls the behavior of the binding when the resource
|
|
// exists, and name or selector is valid, but there are no parameters
|
|
// matched by the binding. If the value is set to `Allow`, then no
|
|
// matched parameters will be treated as successful validation by the binding.
|
|
// If set to `Deny`, then no matched parameters will be subject to the
|
|
// `failurePolicy` of the policy.
|
|
//
|
|
// Allowed values are `Allow` or `Deny`
|
|
//
|
|
// Required
|
|
optional string parameterNotFoundAction = 4;
|
|
}
|
|
|
|
// ServiceReference holds a reference to Service.legacy.k8s.io
|
|
message ServiceReference {
|
|
// `namespace` is the namespace of the service.
|
|
// Required
|
|
optional string namespace = 1;
|
|
|
|
// `name` is the name of the service.
|
|
// Required
|
|
optional string name = 2;
|
|
|
|
// `path` is an optional URL path which will be sent in any request to
|
|
// this service.
|
|
// +optional
|
|
optional string path = 3;
|
|
|
|
// If specified, the port on the service that hosting webhook.
|
|
// Default to 443 for backward compatibility.
|
|
// `port` should be a valid port number (1-65535, inclusive).
|
|
// +optional
|
|
optional int32 port = 4;
|
|
}
|
|
|
|
// TypeChecking contains results of type checking the expressions in the
|
|
// ValidatingAdmissionPolicy
|
|
message TypeChecking {
|
|
// The type checking warnings for each expression.
|
|
// +optional
|
|
// +listType=atomic
|
|
repeated ExpressionWarning expressionWarnings = 1;
|
|
}
|
|
|
|
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
|
|
// +genclient
|
|
// +genclient:nonNamespaced
|
|
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
|
|
// +k8s:prerelease-lifecycle-gen:introduced=1.28
|
|
// ValidatingAdmissionPolicy describes the definition of an admission validation policy that accepts or rejects an object without changing it.
|
|
message ValidatingAdmissionPolicy {
|
|
// Standard object metadata; More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata.
|
|
// +optional
|
|
optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
|
|
|
|
// Specification of the desired behavior of the ValidatingAdmissionPolicy.
|
|
optional ValidatingAdmissionPolicySpec spec = 2;
|
|
|
|
// The status of the ValidatingAdmissionPolicy, including warnings that are useful to determine if the policy
|
|
// behaves in the expected way.
|
|
// Populated by the system.
|
|
// Read-only.
|
|
// +optional
|
|
optional ValidatingAdmissionPolicyStatus status = 3;
|
|
}
|
|
|
|
// ValidatingAdmissionPolicyBinding binds the ValidatingAdmissionPolicy with paramerized resources.
|
|
// ValidatingAdmissionPolicyBinding and parameter CRDs together define how cluster administrators configure policies for clusters.
|
|
//
|
|
// For a given admission request, each binding will cause its policy to be
|
|
// evaluated N times, where N is 1 for policies/bindings that don't use
|
|
// params, otherwise N is the number of parameters selected by the binding.
|
|
//
|
|
// The CEL expressions of a policy must have a computed CEL cost below the maximum
|
|
// CEL budget. Each evaluation of the policy is given an independent CEL cost budget.
|
|
// Adding/removing policies, bindings, or params can not affect whether a
|
|
// given (policy, binding, param) combination is within its own CEL budget.
|
|
message ValidatingAdmissionPolicyBinding {
|
|
// Standard object metadata; More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata.
|
|
// +optional
|
|
optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
|
|
|
|
// Specification of the desired behavior of the ValidatingAdmissionPolicyBinding.
|
|
optional ValidatingAdmissionPolicyBindingSpec spec = 2;
|
|
}
|
|
|
|
// ValidatingAdmissionPolicyBindingList is a list of ValidatingAdmissionPolicyBinding.
|
|
message ValidatingAdmissionPolicyBindingList {
|
|
// Standard list metadata.
|
|
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
|
|
// +optional
|
|
optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
|
|
|
|
// List of PolicyBinding.
|
|
repeated ValidatingAdmissionPolicyBinding items = 2;
|
|
}
|
|
|
|
// ValidatingAdmissionPolicyBindingSpec is the specification of the ValidatingAdmissionPolicyBinding.
|
|
message ValidatingAdmissionPolicyBindingSpec {
|
|
// PolicyName references a ValidatingAdmissionPolicy name which the ValidatingAdmissionPolicyBinding binds to.
|
|
// If the referenced resource does not exist, this binding is considered invalid and will be ignored
|
|
// Required.
|
|
optional string policyName = 1;
|
|
|
|
// paramRef specifies the parameter resource used to configure the admission control policy.
|
|
// It should point to a resource of the type specified in ParamKind of the bound ValidatingAdmissionPolicy.
|
|
// If the policy specifies a ParamKind and the resource referred to by ParamRef does not exist, this binding is considered mis-configured and the FailurePolicy of the ValidatingAdmissionPolicy applied.
|
|
// If the policy does not specify a ParamKind then this field is ignored, and the rules are evaluated without a param.
|
|
// +optional
|
|
optional ParamRef paramRef = 2;
|
|
|
|
// MatchResources declares what resources match this binding and will be validated by it.
|
|
// Note that this is intersected with the policy's matchConstraints, so only requests that are matched by the policy can be selected by this.
|
|
// If this is unset, all resources matched by the policy are validated by this binding
|
|
// When resourceRules is unset, it does not constrain resource matching. If a resource is matched by the other fields of this object, it will be validated.
|
|
// Note that this is differs from ValidatingAdmissionPolicy matchConstraints, where resourceRules are required.
|
|
// +optional
|
|
optional MatchResources matchResources = 3;
|
|
|
|
// validationActions declares how Validations of the referenced ValidatingAdmissionPolicy are enforced.
|
|
// If a validation evaluates to false it is always enforced according to these actions.
|
|
//
|
|
// Failures defined by the ValidatingAdmissionPolicy's FailurePolicy are enforced according
|
|
// to these actions only if the FailurePolicy is set to Fail, otherwise the failures are
|
|
// ignored. This includes compilation errors, runtime errors and misconfigurations of the policy.
|
|
//
|
|
// validationActions is declared as a set of action values. Order does
|
|
// not matter. validationActions may not contain duplicates of the same action.
|
|
//
|
|
// The supported actions values are:
|
|
//
|
|
// "Deny" specifies that a validation failure results in a denied request.
|
|
//
|
|
// "Warn" specifies that a validation failure is reported to the request client
|
|
// in HTTP Warning headers, with a warning code of 299. Warnings can be sent
|
|
// both for allowed or denied admission responses.
|
|
//
|
|
// "Audit" specifies that a validation failure is included in the published
|
|
// audit event for the request. The audit event will contain a
|
|
// `validation.policy.admission.k8s.io/validation_failure` audit annotation
|
|
// with a value containing the details of the validation failures, formatted as
|
|
// a JSON list of objects, each with the following fields:
|
|
// - message: The validation failure message string
|
|
// - policy: The resource name of the ValidatingAdmissionPolicy
|
|
// - binding: The resource name of the ValidatingAdmissionPolicyBinding
|
|
// - expressionIndex: The index of the failed validations in the ValidatingAdmissionPolicy
|
|
// - validationActions: The enforcement actions enacted for the validation failure
|
|
// Example audit annotation:
|
|
// `"validation.policy.admission.k8s.io/validation_failure": "[{\"message\": \"Invalid value\", {\"policy\": \"policy.example.com\", {\"binding\": \"policybinding.example.com\", {\"expressionIndex\": \"1\", {\"validationActions\": [\"Audit\"]}]"`
|
|
//
|
|
// Clients should expect to handle additional values by ignoring
|
|
// any values not recognized.
|
|
//
|
|
// "Deny" and "Warn" may not be used together since this combination
|
|
// needlessly duplicates the validation failure both in the
|
|
// API response body and the HTTP warning headers.
|
|
//
|
|
// Required.
|
|
// +listType=set
|
|
repeated string validationActions = 4;
|
|
}
|
|
|
|
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
|
|
// +k8s:prerelease-lifecycle-gen:introduced=1.28
|
|
// ValidatingAdmissionPolicyList is a list of ValidatingAdmissionPolicy.
|
|
message ValidatingAdmissionPolicyList {
|
|
// Standard list metadata.
|
|
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
|
|
// +optional
|
|
optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
|
|
|
|
// List of ValidatingAdmissionPolicy.
|
|
repeated ValidatingAdmissionPolicy items = 2;
|
|
}
|
|
|
|
// ValidatingAdmissionPolicySpec is the specification of the desired behavior of the AdmissionPolicy.
|
|
message ValidatingAdmissionPolicySpec {
|
|
// ParamKind specifies the kind of resources used to parameterize this policy.
|
|
// If absent, there are no parameters for this policy and the param CEL variable will not be provided to validation expressions.
|
|
// If ParamKind refers to a non-existent kind, this policy definition is mis-configured and the FailurePolicy is applied.
|
|
// If paramKind is specified but paramRef is unset in ValidatingAdmissionPolicyBinding, the params variable will be null.
|
|
// +optional
|
|
optional ParamKind paramKind = 1;
|
|
|
|
// MatchConstraints specifies what resources this policy is designed to validate.
|
|
// The AdmissionPolicy cares about a request if it matches _all_ Constraints.
|
|
// However, in order to prevent clusters from being put into an unstable state that cannot be recovered from via the API
|
|
// ValidatingAdmissionPolicy cannot match ValidatingAdmissionPolicy and ValidatingAdmissionPolicyBinding.
|
|
// Required.
|
|
optional MatchResources matchConstraints = 2;
|
|
|
|
// Validations contain CEL expressions which is used to apply the validation.
|
|
// Validations and AuditAnnotations may not both be empty; a minimum of one Validations or AuditAnnotations is
|
|
// required.
|
|
// +listType=atomic
|
|
// +optional
|
|
repeated Validation validations = 3;
|
|
|
|
// failurePolicy defines how to handle failures for the admission policy. Failures can
|
|
// occur from CEL expression parse errors, type check errors, runtime errors and 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.
|
|
//
|
|
// failurePolicy does not define how validations that evaluate to false are handled.
|
|
//
|
|
// When failurePolicy is set to Fail, ValidatingAdmissionPolicyBinding validationActions
|
|
// define how failures are enforced.
|
|
//
|
|
// Allowed values are Ignore or Fail. Defaults to Fail.
|
|
// +optional
|
|
optional string failurePolicy = 4;
|
|
|
|
// auditAnnotations contains CEL expressions which are used to produce audit
|
|
// annotations for the audit event of the API request.
|
|
// validations and auditAnnotations may not both be empty; a least one of validations or auditAnnotations is
|
|
// required.
|
|
// +listType=atomic
|
|
// +optional
|
|
repeated AuditAnnotation auditAnnotations = 5;
|
|
|
|
// MatchConditions is a list of conditions that must be met for a request to be validated.
|
|
// Match conditions filter requests that have already been matched by the rules,
|
|
// namespaceSelector, and objectSelector. An empty list of matchConditions matches all requests.
|
|
// There are a maximum of 64 match conditions allowed.
|
|
//
|
|
// If a parameter object is provided, it can be accessed via the `params` handle in the same
|
|
// manner as validation expressions.
|
|
//
|
|
// The exact matching logic is (in order):
|
|
// 1. If ANY matchCondition evaluates to FALSE, the policy is skipped.
|
|
// 2. If ALL matchConditions evaluate to TRUE, the policy is evaluated.
|
|
// 3. If any matchCondition evaluates to an error (but none are FALSE):
|
|
// - If failurePolicy=Fail, reject the request
|
|
// - If failurePolicy=Ignore, the policy is skipped
|
|
//
|
|
// +patchMergeKey=name
|
|
// +patchStrategy=merge
|
|
// +listType=map
|
|
// +listMapKey=name
|
|
// +optional
|
|
repeated MatchCondition matchConditions = 6;
|
|
|
|
// Variables contain definitions of variables that can be used in composition of other expressions.
|
|
// Each variable is defined as a named CEL expression.
|
|
// The variables defined here will be available under `variables` in other expressions of the policy
|
|
// except MatchConditions because MatchConditions are evaluated before the rest of the policy.
|
|
//
|
|
// The expression of a variable can refer to other variables defined earlier in the list but not those after.
|
|
// Thus, Variables must be sorted by the order of first appearance and acyclic.
|
|
// +patchMergeKey=name
|
|
// +patchStrategy=merge
|
|
// +listType=map
|
|
// +listMapKey=name
|
|
// +optional
|
|
repeated Variable variables = 7;
|
|
}
|
|
|
|
// ValidatingAdmissionPolicyStatus represents the status of an admission validation policy.
|
|
message ValidatingAdmissionPolicyStatus {
|
|
// The generation observed by the controller.
|
|
// +optional
|
|
optional int64 observedGeneration = 1;
|
|
|
|
// The results of type checking for each expression.
|
|
// Presence of this field indicates the completion of the type checking.
|
|
// +optional
|
|
optional TypeChecking typeChecking = 2;
|
|
|
|
// The conditions represent the latest available observations of a policy's current state.
|
|
// +optional
|
|
// +listType=map
|
|
// +listMapKey=type
|
|
repeated k8s.io.apimachinery.pkg.apis.meta.v1.Condition conditions = 3;
|
|
}
|
|
|
|
// ValidatingWebhook describes an admission webhook and the resources and operations it applies to.
|
|
message ValidatingWebhook {
|
|
// The name of the admission webhook.
|
|
// Name should be fully qualified, e.g., imagepolicy.kubernetes.io, where
|
|
// "imagepolicy" is the name of the webhook, and kubernetes.io is the name
|
|
// of the organization.
|
|
// Required.
|
|
optional string name = 1;
|
|
|
|
// ClientConfig defines how to communicate with the hook.
|
|
// Required
|
|
optional WebhookClientConfig clientConfig = 2;
|
|
|
|
// Rules describes what operations on what resources/subresources the webhook cares about.
|
|
// The webhook cares about an operation if it matches _any_ Rule.
|
|
// However, in order to prevent ValidatingAdmissionWebhooks and MutatingAdmissionWebhooks
|
|
// from putting the cluster in a state which cannot be recovered from without completely
|
|
// disabling the plugin, ValidatingAdmissionWebhooks and MutatingAdmissionWebhooks are never called
|
|
// on admission requests for ValidatingWebhookConfiguration and MutatingWebhookConfiguration objects.
|
|
repeated k8s.io.api.admissionregistration.v1.RuleWithOperations rules = 3;
|
|
|
|
// FailurePolicy defines how unrecognized errors from the admission endpoint are handled -
|
|
// allowed values are Ignore or Fail. Defaults to Ignore.
|
|
// +optional
|
|
optional string failurePolicy = 4;
|
|
|
|
// matchPolicy defines how the "rules" list is used to match incoming requests.
|
|
// Allowed values are "Exact" or "Equivalent".
|
|
//
|
|
// - 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 webhook.
|
|
//
|
|
// - 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 webhook.
|
|
//
|
|
// Defaults to "Exact"
|
|
// +optional
|
|
optional string matchPolicy = 9;
|
|
|
|
// NamespaceSelector decides whether to run the webhook on an object based
|
|
// on whether the namespace for that object matches the selector. If the
|
|
// object itself is a namespace, the matching is performed on
|
|
// object.metadata.labels. If the object is another cluster scoped resource,
|
|
// it never skips the webhook.
|
|
//
|
|
// For example, to run the webhook on any objects whose namespace is not
|
|
// associated with "runlevel" of "0" or "1"; you will set the selector as
|
|
// follows:
|
|
// "namespaceSelector": {
|
|
// "matchExpressions": [
|
|
// {
|
|
// "key": "runlevel",
|
|
// "operator": "NotIn",
|
|
// "values": [
|
|
// "0",
|
|
// "1"
|
|
// ]
|
|
// }
|
|
// ]
|
|
// }
|
|
//
|
|
// If instead you want to only run the webhook on any objects whose
|
|
// namespace is associated with the "environment" of "prod" or "staging";
|
|
// you will set the selector as follows:
|
|
// "namespaceSelector": {
|
|
// "matchExpressions": [
|
|
// {
|
|
// "key": "environment",
|
|
// "operator": "In",
|
|
// "values": [
|
|
// "prod",
|
|
// "staging"
|
|
// ]
|
|
// }
|
|
// ]
|
|
// }
|
|
//
|
|
// See
|
|
// https://kubernetes.io/docs/concepts/overview/working-with-objects/labels
|
|
// for more examples of label selectors.
|
|
//
|
|
// Default to the empty LabelSelector, which matches everything.
|
|
// +optional
|
|
optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector namespaceSelector = 5;
|
|
|
|
// ObjectSelector decides whether to run the webhook based on if the
|
|
// object has matching labels. objectSelector is evaluated against both
|
|
// the oldObject and newObject that would be sent to the webhook, and
|
|
// is considered to match if either object matches the selector. A null
|
|
// object (oldObject in the case of create, or newObject in the case of
|
|
// delete) or an object that cannot have labels (like a
|
|
// DeploymentRollback or a PodProxyOptions object) is not considered to
|
|
// match.
|
|
// Use the object selector only if the webhook is opt-in, because end
|
|
// users may skip the admission webhook by setting the labels.
|
|
// Default to the empty LabelSelector, which matches everything.
|
|
// +optional
|
|
optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector objectSelector = 10;
|
|
|
|
// SideEffects states whether this webhook has side effects.
|
|
// Acceptable values are: Unknown, None, Some, NoneOnDryRun
|
|
// Webhooks with side effects MUST implement a reconciliation system, since a request may be
|
|
// rejected by a future step in the admission chain and the side effects therefore need to be undone.
|
|
// Requests with the dryRun attribute will be auto-rejected if they match a webhook with
|
|
// sideEffects == Unknown or Some. Defaults to Unknown.
|
|
// +optional
|
|
optional string sideEffects = 6;
|
|
|
|
// TimeoutSeconds specifies the timeout for this webhook. After the timeout passes,
|
|
// the webhook call will be ignored or the API call will fail based on the
|
|
// failure policy.
|
|
// The timeout value must be between 1 and 30 seconds.
|
|
// Default to 30 seconds.
|
|
// +optional
|
|
optional int32 timeoutSeconds = 7;
|
|
|
|
// AdmissionReviewVersions is an ordered list of preferred `AdmissionReview`
|
|
// versions the Webhook expects. API server will try to use first version in
|
|
// the list which it supports. If none of the versions specified in this list
|
|
// supported by API server, validation will fail for this object.
|
|
// If a persisted webhook configuration specifies allowed versions and does not
|
|
// include any versions known to the API Server, calls to the webhook will fail
|
|
// and be subject to the failure policy.
|
|
// Default to `['v1beta1']`.
|
|
// +optional
|
|
repeated string admissionReviewVersions = 8;
|
|
|
|
// MatchConditions is a list of conditions that must be met for a request to be sent to this
|
|
// webhook. Match conditions filter requests that have already been matched by the rules,
|
|
// namespaceSelector, and objectSelector. An empty list of matchConditions matches all requests.
|
|
// There are a maximum of 64 match conditions allowed.
|
|
//
|
|
// The exact matching logic is (in order):
|
|
// 1. If ANY matchCondition evaluates to FALSE, the webhook is skipped.
|
|
// 2. If ALL matchConditions evaluate to TRUE, the webhook is called.
|
|
// 3. If any matchCondition evaluates to an error (but none are FALSE):
|
|
// - If failurePolicy=Fail, reject the request
|
|
// - If failurePolicy=Ignore, the error is ignored and the webhook is skipped
|
|
//
|
|
// This is a beta feature and managed by the AdmissionWebhookMatchConditions feature gate.
|
|
//
|
|
// +patchMergeKey=name
|
|
// +patchStrategy=merge
|
|
// +listType=map
|
|
// +listMapKey=name
|
|
// +featureGate=AdmissionWebhookMatchConditions
|
|
// +optional
|
|
repeated MatchCondition matchConditions = 11;
|
|
}
|
|
|
|
// ValidatingWebhookConfiguration describes the configuration of and admission webhook that accept or reject and object without changing it.
|
|
// Deprecated in v1.16, planned for removal in v1.19. Use admissionregistration.k8s.io/v1 ValidatingWebhookConfiguration instead.
|
|
message ValidatingWebhookConfiguration {
|
|
// Standard object metadata; More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata.
|
|
// +optional
|
|
optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
|
|
|
|
// Webhooks is a list of webhooks and the affected resources and operations.
|
|
// +optional
|
|
// +patchMergeKey=name
|
|
// +patchStrategy=merge
|
|
repeated ValidatingWebhook Webhooks = 2;
|
|
}
|
|
|
|
// ValidatingWebhookConfigurationList is a list of ValidatingWebhookConfiguration.
|
|
message ValidatingWebhookConfigurationList {
|
|
// Standard list metadata.
|
|
// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
|
|
// +optional
|
|
optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
|
|
|
|
// List of ValidatingWebhookConfiguration.
|
|
repeated ValidatingWebhookConfiguration items = 2;
|
|
}
|
|
|
|
// Validation specifies the CEL expression which is used to apply the validation.
|
|
message Validation {
|
|
// 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 API request/response, organized into CEL variables as well as some other useful variables:
|
|
//
|
|
// - '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 API 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.
|
|
// - 'namespaceObject' - The namespace object that the incoming object belongs to. The value is null for cluster-scoped resources.
|
|
// - 'variables' - Map of composited variables, from its name to its lazily evaluated value.
|
|
// For example, a variable named 'foo' can be accessed as 'variables.foo'.
|
|
// - 'authorizer' - A CEL Authorizer. May be used to perform authorization checks for the principal (user or service account) of the request.
|
|
// See https://pkg.go.dev/k8s.io/apiserver/pkg/cel/library#Authz
|
|
// - 'authorizer.requestResource' - A CEL ResourceCheck constructed from the 'authorizer' and configured with the
|
|
// request resource.
|
|
//
|
|
// The `apiVersion`, `kind`, `metadata.name` and `metadata.generateName` are always accessible from the root of the
|
|
// object. No other metadata properties are accessible.
|
|
//
|
|
// Only 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:
|
|
// "true", "false", "null", "in", "as", "break", "const", "continue", "else", "for", "function", "if",
|
|
// "import", "let", "loop", "package", "namespace", "return".
|
|
// Examples:
|
|
// - Expression accessing a property named "namespace": {"Expression": "object.__namespace__ > 0"}
|
|
// - Expression accessing a property named "x-prop": {"Expression": "object.x__dash__prop > 0"}
|
|
// - Expression accessing a property named "redact__d": {"Expression": "object.redact__underscores__d > 0"}
|
|
//
|
|
// Equality 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:
|
|
// - 'set': `X + Y` performs a union where the array positions of all elements in `X` are preserved and
|
|
// non-intersecting elements in `Y` are appended, retaining their partial order.
|
|
// - 'map': `X + Y` performs a merge where the array positions of all keys in `X` are preserved but the values
|
|
// are overwritten by values in `Y` when the key sets of `X` and `Y` intersect. Elements in `Y` with
|
|
// non-intersecting keys are appended, retaining their partial order.
|
|
// Required.
|
|
optional string Expression = 1;
|
|
|
|
// 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}".
|
|
// +optional
|
|
optional string message = 2;
|
|
|
|
// 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.
|
|
// +optional
|
|
optional string reason = 3;
|
|
|
|
// messageExpression declares a CEL expression that evaluates to the validation failure message that is returned when this rule fails.
|
|
// Since messageExpression is used as a failure message, it must evaluate to a string.
|
|
// If both message and messageExpression are present on a validation, then messageExpression will be used if validation fails.
|
|
// If messageExpression results in a runtime error, the runtime error is logged, and the validation failure message is produced
|
|
// as if the messageExpression field were unset. If messageExpression evaluates to an empty string, a string with only spaces, or a string
|
|
// that contains line breaks, then the validation failure message will also be produced as if the messageExpression field were unset, and
|
|
// the fact that messageExpression produced an empty string/string with only spaces/string with line breaks will be logged.
|
|
// messageExpression has access to all the same variables as the `expression` except for 'authorizer' and 'authorizer.requestResource'.
|
|
// Example:
|
|
// "object.x must be less than max ("+string(params.max)+")"
|
|
// +optional
|
|
optional string messageExpression = 4;
|
|
}
|
|
|
|
// Variable is the definition of a variable that is used for composition. A variable is defined as a named expression.
|
|
// +structType=atomic
|
|
message Variable {
|
|
// Name is the name of the variable. The name must be a valid CEL identifier and unique among all variables.
|
|
// The variable can be accessed in other expressions through `variables`
|
|
// For example, if name is "foo", the variable will be available as `variables.foo`
|
|
optional string Name = 1;
|
|
|
|
// Expression is the expression that will be evaluated as the value of the variable.
|
|
// The CEL expression has access to the same identifiers as the CEL expressions in Validation.
|
|
optional string Expression = 2;
|
|
}
|
|
|
|
// WebhookClientConfig contains the information to make a TLS
|
|
// connection with the webhook
|
|
message WebhookClientConfig {
|
|
// `url` gives the location of the webhook, in standard URL form
|
|
// (`scheme://host:port/path`). Exactly one of `url` or `service`
|
|
// must be specified.
|
|
//
|
|
// The `host` should not refer to a service running in the cluster; use
|
|
// the `service` field instead. The host might be resolved via external
|
|
// DNS in some apiservers (e.g., `kube-apiserver` cannot resolve
|
|
// in-cluster DNS as that would be a layering violation). `host` may
|
|
// also be an IP address.
|
|
//
|
|
// Please note that using `localhost` or `127.0.0.1` as a `host` is
|
|
// risky unless you take great care to run this webhook on all hosts
|
|
// which run an apiserver which might need to make calls to this
|
|
// webhook. Such installs are likely to be non-portable, i.e., not easy
|
|
// to turn up in a new cluster.
|
|
//
|
|
// The scheme must be "https"; the URL must begin with "https://".
|
|
//
|
|
// A path is optional, and if present may be any string permissible in
|
|
// a URL. You may use the path to pass an arbitrary string to the
|
|
// webhook, for example, a cluster identifier.
|
|
//
|
|
// Attempting to use a user or basic auth e.g. "user:password@" is not
|
|
// allowed. Fragments ("#...") and query parameters ("?...") are not
|
|
// allowed, either.
|
|
//
|
|
// +optional
|
|
optional string url = 3;
|
|
|
|
// `service` is a reference to the service for this webhook. Either
|
|
// `service` or `url` must be specified.
|
|
//
|
|
// If the webhook is running within the cluster, then you should use `service`.
|
|
//
|
|
// +optional
|
|
optional ServiceReference service = 1;
|
|
|
|
// `caBundle` is a PEM encoded CA bundle which will be used to validate the webhook's server certificate.
|
|
// If unspecified, system trust roots on the apiserver are used.
|
|
// +optional
|
|
optional bytes caBundle = 2;
|
|
}
|
|
|