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- /*
- Copyright The Kubernetes Authors.
- Licensed under the Apache License, Version 2.0 (the "License");
- you may not use this file except in compliance with the License.
- You may obtain a copy of the License at
- http://www.apache.org/licenses/LICENSE-2.0
- Unless required by applicable law or agreed to in writing, software
- distributed under the License is distributed on an "AS IS" BASIS,
- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- See the License for the specific language governing permissions and
- limitations under the License.
- */
- // This file was autogenerated by go-to-protobuf. Do not edit it manually!
- syntax = "proto2";
- package k8s.io.api.admissionregistration.v1;
- import "k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto";
- import "k8s.io/apimachinery/pkg/runtime/generated.proto";
- import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";
- // Package-wide variables from generator "generated".
- option go_package = "k8s.io/api/admissionregistration/v1";
- // MatchCondition represents a condition which must by fulfilled for a request to be sent to a webhook.
- message MatchCondition {
- // Name is an identifier for this match condition, used for strategic merging of MatchConditions,
- // as well as providing an identifier for logging purposes. A good name should be descriptive of
- // the associated expression.
- // Name must be a qualified name consisting of alphanumeric characters, '-', '_' or '.', and
- // must start and end with an alphanumeric character (e.g. 'MyName', or 'my.name', or
- // '123-abc', regex used for validation is '([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9]') with an
- // optional DNS subdomain prefix and '/' (e.g. 'example.com/MyName')
- //
- // Required.
- optional string name = 1;
- // Expression represents the expression which will be evaluated by CEL. Must evaluate to bool.
- // CEL expressions have access to the contents of the AdmissionRequest and Authorizer, organized into CEL 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 admission request(/pkg/apis/admission/types.go#AdmissionRequest).
- // '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.
- // Documentation on CEL: https://kubernetes.io/docs/reference/using-api/cel/
- //
- // Required.
- optional string expression = 2;
- }
- // MutatingWebhook describes an admission webhook and the resources and operations it applies to.
- message MutatingWebhook {
- // 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 RuleWithOperations rules = 3;
- // FailurePolicy defines how unrecognized errors from the admission endpoint are handled -
- // allowed values are Ignore or Fail. Defaults to Fail.
- // +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 "Equivalent"
- // +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 = 11;
- // SideEffects states whether this webhook has side effects.
- // Acceptable values are: None, NoneOnDryRun (webhooks created via v1beta1 may also specify Some or Unknown).
- // 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.
- 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 10 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.
- repeated string admissionReviewVersions = 8;
- // reinvocationPolicy indicates whether this webhook should be called multiple times as part of a single admission evaluation.
- // Allowed values are "Never" and "IfNeeded".
- //
- // Never: the webhook will not be called more than once in a single admission evaluation.
- //
- // IfNeeded: the webhook will be called at least one additional time as part of the admission evaluation
- // if the object being admitted is modified by other admission plugins after the initial webhook call.
- // Webhooks that specify this option *must* be idempotent, able to process objects they previously admitted.
- // Note:
- // * the number of additional invocations is not guaranteed to be exactly one.
- // * if additional invocations result in further modifications to the object, webhooks are not guaranteed to be invoked again.
- // * webhooks that use this option may be reordered to minimize the number of additional invocations.
- // * to validate an object after all mutations are guaranteed complete, use a validating admission webhook instead.
- //
- // Defaults to "Never".
- // +optional
- optional string reinvocationPolicy = 10;
- // 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 = 12;
- }
- // MutatingWebhookConfiguration describes the configuration of and admission webhook that accept or reject and may change the object.
- message MutatingWebhookConfiguration {
- // 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 MutatingWebhook Webhooks = 2;
- }
- // MutatingWebhookConfigurationList is a list of MutatingWebhookConfiguration.
- message MutatingWebhookConfigurationList {
- // 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 MutatingWebhookConfiguration.
- repeated MutatingWebhookConfiguration items = 2;
- }
- // Rule is a tuple of APIGroups, APIVersion, and Resources.It is recommended
- // to make sure that all the tuple expansions are valid.
- message Rule {
- // APIGroups is the API groups the resources belong to. '*' is all groups.
- // If '*' is present, the length of the slice must be one.
- // Required.
- // +listType=atomic
- repeated string apiGroups = 1;
- // APIVersions is the API versions the resources belong to. '*' is all versions.
- // If '*' is present, the length of the slice must be one.
- // Required.
- // +listType=atomic
- repeated string apiVersions = 2;
- // Resources is a list of resources this rule applies to.
- //
- // For 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.
- //
- // If wildcard is present, the validation rule will ensure resources do not
- // overlap with each other.
- //
- // Depending on the enclosing object, subresources might not be allowed.
- // Required.
- // +listType=atomic
- repeated string resources = 3;
- // 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 "*".
- //
- // +optional
- optional string scope = 4;
- }
- // RuleWithOperations is a tuple of Operations and Resources. It is recommended to make
- // sure that all the tuple expansions are valid.
- message RuleWithOperations {
- // 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.
- // +listType=atomic
- repeated string operations = 1;
- // Rule is embedded, it describes other criteria of the rule, like
- // APIGroups, APIVersions, Resources, etc.
- optional Rule rule = 2;
- }
- // 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;
- }
- // 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 RuleWithOperations rules = 3;
- // FailurePolicy defines how unrecognized errors from the admission endpoint are handled -
- // allowed values are Ignore or Fail. Defaults to Fail.
- // +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 "Equivalent"
- // +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: None, NoneOnDryRun (webhooks created via v1beta1 may also specify Some or Unknown).
- // 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.
- 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 10 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.
- 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.
- 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;
- }
- // 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;
- }
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