resources.validatingAdmissionPolicies

ValidatingAdmissionPolicy describes the definition of an admission validation policy that accepts or rejects an object without changing it.

Type: attribute set of (submodule)

Default: { }

Declared by:

resources.validatingAdmissionPolicies.<name>.apiVersion

APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.kind

Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata

Standard object metadata; More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata.

Type: null or (submodule)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.annotations

Annotations is an unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable and should be preserved when modifying objects. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations

Type: null or (attribute set of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.creationTimestamp

CreationTimestamp is a timestamp representing the server time when this object was created. It is not guaranteed to be set in happens-before order across separate operations. Clients may not set this value. It is represented in RFC3339 form and is in UTC.

Populated by the system. Read-only. Null for lists. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.deletionGracePeriodSeconds

Number of seconds allowed for this object to gracefully terminate before it will be removed from the system. Only set when deletionTimestamp is also set. May only be shortened. Read-only.

Type: null or signed integer

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.deletionTimestamp

DeletionTimestamp is RFC 3339 date and time at which this resource will be deleted. This field is set by the server when a graceful deletion is requested by the user, and is not directly settable by a client. The resource is expected to be deleted (no longer visible from resource lists, and not reachable by name) after the time in this field, once the finalizers list is empty. As long as the finalizers list contains items, deletion is blocked. Once the deletionTimestamp is set, this value may not be unset or be set further into the future, although it may be shortened or the resource may be deleted prior to this time. For example, a user may request that a pod is deleted in 30 seconds. The Kubelet will react by sending a graceful termination signal to the containers in the pod. After that 30 seconds, the Kubelet will send a hard termination signal (SIGKILL) to the container and after cleanup, remove the pod from the API. In the presence of network partitions, this object may still exist after this timestamp, until an administrator or automated process can determine the resource is fully terminated. If not set, graceful deletion of the object has not been requested.

Populated by the system when a graceful deletion is requested. Read-only. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.finalizers

Must be empty before the object is deleted from the registry. Each entry is an identifier for the responsible component that will remove the entry from the list. If the deletionTimestamp of the object is non-nil, entries in this list can only be removed. Finalizers may be processed and removed in any order. Order is NOT enforced because it introduces significant risk of stuck finalizers. finalizers is a shared field, any actor with permission can reorder it. If the finalizer list is processed in order, then this can lead to a situation in which the component responsible for the first finalizer in the list is waiting for a signal (field value, external system, or other) produced by a component responsible for a finalizer later in the list, resulting in a deadlock. Without enforced ordering finalizers are free to order amongst themselves and are not vulnerable to ordering changes in the list.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.generateName

GenerateName is an optional prefix, used by the server, to generate a unique name ONLY IF the Name field has not been provided. If this field is used, the name returned to the client will be different than the name passed. This value will also be combined with a unique suffix. The provided value has the same validation rules as the Name field, and may be truncated by the length of the suffix required to make the value unique on the server.

If this field is specified and the generated name exists, the server will return a 409.

Applied only if Name is not specified. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#idempotency

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.generation

A sequence number representing a specific generation of the desired state. Populated by the system. Read-only.

Type: null or signed integer

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.labels

Map of string keys and values that can be used to organize and categorize (scope and select) objects. May match selectors of replication controllers and services. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels

Type: null or (attribute set of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.managedFields

ManagedFields maps workflow-id and version to the set of fields that are managed by that workflow. This is mostly for internal housekeeping, and users typically shouldn’t need to set or understand this field. A workflow can be the user’s name, a controller’s name, or the name of a specific apply path like “ci-cd”. The set of fields is always in the version that the workflow used when modifying the object.

Type: null or (list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.managedFields.*.apiVersion

APIVersion defines the version of this resource that this field set applies to. The format is “group/version” just like the top-level APIVersion field. It is necessary to track the version of a field set because it cannot be automatically converted.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.managedFields.*.fieldsType

FieldsType is the discriminator for the different fields format and version. There is currently only one possible value: “FieldsV1”

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.managedFields.*.fieldsV1

FieldsV1 holds the first JSON version format as described in the “FieldsV1” type.

Type: null or (submodule)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.managedFields.*.manager

Manager is an identifier of the workflow managing these fields.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.managedFields.*.operation

Operation is the type of operation which lead to this ManagedFieldsEntry being created. The only valid values for this field are ‘Apply’ and ‘Update’.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.managedFields.*.subresource

Subresource is the name of the subresource used to update that object, or empty string if the object was updated through the main resource. The value of this field is used to distinguish between managers, even if they share the same name. For example, a status update will be distinct from a regular update using the same manager name. Note that the APIVersion field is not related to the Subresource field and it always corresponds to the version of the main resource.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.managedFields.*.time

Time is the timestamp of when the ManagedFields entry was added. The timestamp will also be updated if a field is added, the manager changes any of the owned fields value or removes a field. The timestamp does not update when a field is removed from the entry because another manager took it over.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.name

Name must be unique within a namespace. Is required when creating resources, although some resources may allow a client to request the generation of an appropriate name automatically. Name is primarily intended for creation idempotence and configuration definition. Cannot be updated. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#names

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.namespace

Namespace defines the space within which each name must be unique. An empty namespace is equivalent to the “default” namespace, but “default” is the canonical representation. Not all objects are required to be scoped to a namespace - the value of this field for those objects will be empty.

Must be a DNS_LABEL. Cannot be updated. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.ownerReferences

List of objects depended by this object. If ALL objects in the list have been deleted, this object will be garbage collected. If this object is managed by a controller, then an entry in this list will point to this controller, with the controller field set to true. There cannot be more than one managing controller.

Type: null or (attribute set of (submodule) or list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.ownerReferences.<name>._priority

This option has no description.

Type: null or signed integer

Default: null

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.ownerReferences.<name>.apiVersion

API version of the referent.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.ownerReferences.<name>.blockOwnerDeletion

If true, AND if the owner has the “foregroundDeletion” finalizer, then the owner cannot be deleted from the key-value store until this reference is removed. See https://kubernetes.io/docs/concepts/architecture/garbage-collection/#foreground-deletion for how the garbage collector interacts with this field and enforces the foreground deletion. Defaults to false. To set this field, a user needs “delete” permission of the owner, otherwise 422 (Unprocessable Entity) will be returned.

Type: null or boolean

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.ownerReferences.<name>.controller

If true, this reference points to the managing controller.

Type: null or boolean

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.ownerReferences.<name>.kind

Kind of the referent. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.ownerReferences.<name>.name

Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#names

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.ownerReferences.<name>.uid

UID of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#uids

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.resourceVersion

An opaque value that represents the internal version of this object that can be used by clients to determine when objects have changed. May be used for optimistic concurrency, change detection, and the watch operation on a resource or set of resources. Clients must treat these values as opaque and passed unmodified back to the server. They may only be valid for a particular resource or set of resources.

Populated by the system. Read-only. Value must be treated as opaque by clients and . More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#concurrency-control-and-consistency

Type: null or (string)

Declared by:

Deprecated: selfLink is a legacy read-only field that is no longer populated by the system.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.metadata.uid

UID is the unique in time and space value for this object. It is typically generated by the server on successful creation of a resource and is not allowed to change on PUT operations.

Populated by the system. Read-only. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#uids

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec

Specification of the desired behavior of the ValidatingAdmissionPolicy.

Type: null or (submodule)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.auditAnnotations

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.

Type: null or (list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.auditAnnotations.*.key

key specifies the audit annotation key. The audit annotation keys of a ValidatingAdmissionPolicy must be unique. The key must be a qualified name ([A-Za-z0-9][-A-Za-z0-9_.]*) no more than 63 bytes in length.

The key is combined with the resource name of the ValidatingAdmissionPolicy to construct an audit annotation key: “{ValidatingAdmissionPolicy name}/{key}”.

If an admission webhook uses the same resource name as this ValidatingAdmissionPolicy and the same audit annotation key, the annotation key will be identical. In this case, the first annotation written with the key will be included in the audit event and all subsequent annotations with the same key will be discarded.

Required.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.auditAnnotations.*.valueExpression

valueExpression represents the expression which is evaluated by CEL to produce an audit annotation value. The expression must evaluate to either a string or null value. If the expression evaluates to a string, the audit annotation is included with the string value. If the expression evaluates to null or empty string the audit annotation will be omitted. The valueExpression may be no longer than 5kb in length. If the result of the valueExpression is more than 10kb in length, it will be truncated to 10kb.

If multiple ValidatingAdmissionPolicyBinding resources match an API request, then the valueExpression will be evaluated for each binding. All unique values produced by the valueExpressions will be joined together in a comma-separated list.

Required.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.failurePolicy

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.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConditions

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

Type: null or (attribute set of (submodule) or list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConditions.<name>._priority

This option has no description.

Type: null or signed integer

Default: null

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConditions.<name>.expression

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.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConditions.<name>.name

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.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints

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.

Type: null or (submodule)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.excludeResourceRules

ExcludeResourceRules describes what operations on what resources/subresources the ValidatingAdmissionPolicy should not care about. The exclude rules take precedence over include rules (if a resource matches both, it is excluded)

Type: null or (list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.excludeResourceRules.*.apiGroups

APIGroups is the API groups the resources belong to. ‘’ is all groups. If '’ is present, the length of the slice must be one. Required.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.excludeResourceRules.*.apiVersions

APIVersions is the API versions the resources belong to. ‘’ is all versions. If '’ is present, the length of the slice must be one. Required.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.excludeResourceRules.*.operations

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.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.excludeResourceRules.*.resourceNames

ResourceNames is an optional white list of names that the rule applies to. An empty set means that everything is allowed.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.excludeResourceRules.*.resources

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.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.excludeResourceRules.*.scope

scope specifies the scope of this rule. Valid values are “Cluster”, “Namespaced”, and “" “Cluster” means that only cluster-scoped resources will match this rule. Namespace API objects are cluster-scoped. “Namespaced” means that only namespaced resources will match this rule. "” means that there are no scope restrictions. Subresources match the scope of their parent resource. Default is “*”.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.matchPolicy

matchPolicy defines how the “MatchResources” 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 ValidatingAdmissionPolicy.

  • Equivalent: match a request if modifies a resource listed in rules, even via another API group or version. For example, if deployments can be modified via apps/v1, apps/v1beta1, and extensions/v1beta1, and “rules” only included apiGroups:["apps"], apiVersions:["v1"], resources: ["deployments"], a request to apps/v1beta1 or extensions/v1beta1 would be converted to apps/v1 and sent to the ValidatingAdmissionPolicy.

Defaults to “Equivalent”

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.namespaceSelector

NamespaceSelector decides whether to run the admission control policy 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 policy.

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 policy 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.

Type: null or (submodule)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.namespaceSelector.matchExpressions

matchExpressions is a list of label selector requirements. The requirements are ANDed.

Type: null or (list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.namespaceSelector.matchExpressions.*.key

key is the label key that the selector applies to.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.namespaceSelector.matchExpressions.*.operator

operator represents a key’s relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.namespaceSelector.matchExpressions.*.values

values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.namespaceSelector.matchLabels

matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is “key”, the operator is “In”, and the values array contains only “value”. The requirements are ANDed.

Type: null or (attribute set of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.objectSelector

ObjectSelector decides whether to run the validation based on if the object has matching labels. objectSelector is evaluated against both the oldObject and newObject that would be sent to the cel validation, 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.

Type: null or (submodule)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.objectSelector.matchExpressions

matchExpressions is a list of label selector requirements. The requirements are ANDed.

Type: null or (list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.objectSelector.matchExpressions.*.key

key is the label key that the selector applies to.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.objectSelector.matchExpressions.*.operator

operator represents a key’s relationship to a set of values. Valid operators are In, NotIn, Exists and DoesNotExist.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.objectSelector.matchExpressions.*.values

values is an array of string values. If the operator is In or NotIn, the values array must be non-empty. If the operator is Exists or DoesNotExist, the values array must be empty. This array is replaced during a strategic merge patch.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.objectSelector.matchLabels

matchLabels is a map of {key,value} pairs. A single {key,value} in the matchLabels map is equivalent to an element of matchExpressions, whose key field is “key”, the operator is “In”, and the values array contains only “value”. The requirements are ANDed.

Type: null or (attribute set of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.resourceRules

ResourceRules describes what operations on what resources/subresources the ValidatingAdmissionPolicy matches. The policy cares about an operation if it matches any Rule.

Type: null or (list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.resourceRules.*.apiGroups

APIGroups is the API groups the resources belong to. ‘’ is all groups. If '’ is present, the length of the slice must be one. Required.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.resourceRules.*.apiVersions

APIVersions is the API versions the resources belong to. ‘’ is all versions. If '’ is present, the length of the slice must be one. Required.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.resourceRules.*.operations

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.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.resourceRules.*.resourceNames

ResourceNames is an optional white list of names that the rule applies to. An empty set means that everything is allowed.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.resourceRules.*.resources

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.

Type: null or (list of (string))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.matchConstraints.resourceRules.*.scope

scope specifies the scope of this rule. Valid values are “Cluster”, “Namespaced”, and “" “Cluster” means that only cluster-scoped resources will match this rule. Namespace API objects are cluster-scoped. “Namespaced” means that only namespaced resources will match this rule. "” means that there are no scope restrictions. Subresources match the scope of their parent resource. Default is “*”.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.paramKind

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.

Type: null or (submodule)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.paramKind.apiVersion

APIVersion is the API group version the resources belong to. In format of “group/version”. Required.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.paramKind.kind

Kind is the API kind the resources belong to. Required.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.validations

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.

Type: null or (list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.validations.*.expression

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). - ‘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.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.validations.*.message

Message represents the message displayed when validation fails. The message is required if the Expression contains line breaks. The message must not contain line breaks. If unset, the message is “failed rule: {Rule}”. e.g. “must be a URL with the host matching spec.host” If the Expression contains line breaks. Message is required. The message must not contain line breaks. If unset, the message is “failed Expression: {Expression}”.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.validations.*.messageExpression

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)+“)”

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.validations.*.reason

Reason represents a machine-readable description of why this validation failed. If this is the first validation in the list to fail, this reason, as well as the corresponding HTTP response code, are used in the HTTP response to the client. The currently supported reasons are: “Unauthorized”, “Forbidden”, “Invalid”, “RequestEntityTooLarge”. If not set, StatusReasonInvalid is used in the response to the client.

Type: null or (string)

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.variables

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.

Type: null or (attribute set of (submodule) or list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.variables.<name>._priority

This option has no description.

Type: null or signed integer

Default: null

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.variables.<name>.expression

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.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.spec.variables.<name>.name

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

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.status

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.

Type: null or (submodule)

Declared by:

resources.validatingAdmissionPolicies.<name>.status.conditions

The conditions represent the latest available observations of a policy’s current state.

Type: null or (list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.status.conditions.*.lastTransitionTime

lastTransitionTime is the last time the condition transitioned from one status to another. This should be when the underlying condition changed. If that is not known, then using the time when the API field changed is acceptable.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.status.conditions.*.message

message is a human readable message indicating details about the transition. This may be an empty string.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.status.conditions.*.observedGeneration

observedGeneration represents the .metadata.generation that the condition was set based upon. For instance, if .metadata.generation is currently 12, but the .status.conditions[x].observedGeneration is 9, the condition is out of date with respect to the current state of the instance.

Type: null or signed integer

Declared by:

resources.validatingAdmissionPolicies.<name>.status.conditions.*.reason

reason contains a programmatic identifier indicating the reason for the condition’s last transition. Producers of specific condition types may define expected values and meanings for this field, and whether the values are considered a guaranteed API. The value should be a CamelCase string. This field may not be empty.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.status.conditions.*.status

status of the condition, one of True, False, Unknown.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.status.conditions.*.type

type of condition in CamelCase or in foo.example.com/CamelCase.

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.status.observedGeneration

The generation observed by the controller.

Type: null or signed integer

Declared by:

resources.validatingAdmissionPolicies.<name>.status.typeChecking

The results of type checking for each expression. Presence of this field indicates the completion of the type checking.

Type: null or (submodule)

Declared by:

resources.validatingAdmissionPolicies.<name>.status.typeChecking.expressionWarnings

The type checking warnings for each expression.

Type: null or (list of (submodule))

Declared by:

resources.validatingAdmissionPolicies.<name>.status.typeChecking.expressionWarnings.*.fieldRef

The path to the field that refers the expression. For example, the reference to the expression of the first item of validations is “spec.validations[0].expression”

Type: string

Declared by:

resources.validatingAdmissionPolicies.<name>.status.typeChecking.expressionWarnings.*.warning

The content of type checking information in a human-readable form. Each line of the warning contains the type that the expression is checked against, followed by the type check error from the compiler.

Type: string

Declared by: