URLPath is the URL path to be used in the HTTP GET request to the Kubernetes API server (e.g. “/api/v1/namespaces” or “/apis/apps/v1/deployments”). The format required is the same format used by the kubectl get --raw command.

JMESPath is an optional JSON Match Expression that can be used to transform the JSON response returned from the API server. For example a JMESPath of “items | length(@)” applied to the API server response to the URLPath “/apis/apps/v1/deployments” will return the total count of deployments across all namespaces.

AnyConditions enable variable-based conditional rule execution. This is useful for finer control of when an rule is applied. A condition can reference object data using JMESPath notation. Here, at least one of the conditions need to pass

AllConditions enable variable-based conditional rule execution. This is useful for finer control of when an rule is applied. A condition can reference object data using JMESPath notation. Here, all of the conditions need to pass

PredicateType defines the type of Predicate contained within the Statement.

Conditions are used to verify attributes within a Predicate. If no Conditions are specified the attestation check is satisfied as long there are predicates that match the predicate type.

StaticKey is a set of attributes used to verify an X.509 public key

Keyless is a set of attribute used to verify a Sigstore keyless attestor. See https://github.com/sigstore/cosign/blob/main/KEYLESS.md.

Attestor is a nested AttestorSet used to specify a more complex set of match authorities TODO: Nested typed declarations are cause issues with OpenAPIv3 Schemas. Need to revisit.

Count specifies the required number of entries that must match. If the count is null, all entries must match (a logical AND). If the count is 1, at least one entry must match (a logical OR). If the count contains a value N, then N must be less than or equal to the size of entries, and at least N entries must match.

Entries contains the available attestors. An attestor can be a static key, attributes for keyless verification, or a nested attestor declaration.

Requested indicates the autogen requested controllers

Supported indicates the autogen supported controllers

Activated indicates the autogen activated controllers

Namespace specifies source resource namespace.

Name specifies name of the resource.

Spec declares policy behaviors.

Status contains policy runtime data.

Key is the context entry (using JMESPath) for conditional rule evaluation.

Operator is the conditional operation to perform. Valid operators are: Equals, NotEquals, In, AnyIn, AllIn, NotIn, AnyNotIn, AllNotIn, GreaterThanOrEquals, GreaterThan, LessThanOrEquals, LessThan, DurationGreaterThanOrEquals, DurationGreaterThan, DurationLessThanOrEquals, DurationLessThan

Value is the conditional value, or set of values. The values can be fixed set or can be variables declared using JMESPath.

Name is the ConfigMap name.

Namespace is the ConfigMap namespace.

Name is the variable name.

ConfigMap is the ConfigMap reference.

APICall defines an HTTP request to the Kubernetes API server. The JSON data retrieved is stored in the context.

ImageRegistry defines requests to an OCI/Docker V2 registry to fetch image details.

Multiple conditions can be declared under an any or all statement. A direct list of conditions (without any or all statements) is also supported for backwards compatibility but will be deprecated in the next major release. See: https://kyverno.io/docs/writing-policies/validate/#deny-rules

List specifies a JMESPath expression that results in one or more elements to which the validation logic is applied.

Context defines variables and data sources that can be used during rule execution.

AnyAllConditions are used to determine if a policy rule should be applied by evaluating a set of conditions. The declaration can contain nested any or all statements. See: https://kyverno.io/docs/writing-policies/preconditions/

PatchStrategicMerge is a strategic merge patch used to modify resources. See https://kubernetes.io/docs/tasks/manage-kubernetes-objects/update-api-object-kubectl-patch/ and https://kubectl.docs.kubernetes.io/references/kustomize/patchesstrategicmerge/.

PatchesJSON6902 is a list of RFC 6902 JSON Patch declarations used to modify resources. See https://tools.ietf.org/html/rfc6902 and https://kubectl.docs.kubernetes.io/references/kustomize/patchesjson6902/.

List specifies a JMESPath expression that results in one or more elements to which the validation logic is applied.

ElementScope specifies whether to use the current list element as the scope for validation. Defaults to “true” if not specified. When set to “false”, “request.object” is used as the validation scope within the foreach block to allow referencing other elements in the subtree.

Context defines variables and data sources that can be used during rule execution.

AnyAllConditions are used to determine if a policy rule should be applied by evaluating a set of conditions. The declaration can contain nested any or all statements. See: https://kyverno.io/docs/writing-policies/preconditions/

Pattern specifies an overlay-style pattern used to check resources.

AnyPattern specifies list of validation patterns. At least one of the patterns must be satisfied for the validation rule to succeed.

Deny defines conditions used to pass or fail a validation rule.

Spec is the information to identify the generate request.

Status contains statistics related to generate request.

Specifies the name of the policy.

ResourceSpec is the information to identify the generate request.

Context …

State represents state of the generate request.

Specifies request status message.

This will track the resources that are generated by the generate Policy. Will be used during clean up resources.

ResourceSpec contains information to select the resource.

Synchronize controls if generated resources should be kept in-sync with their source resource. If Synchronize is set to “true” changes to generated resources will be overwritten with resource data from Data or the resource specified in the Clone declaration. Optional. Defaults to “false” if not specified.

Data provides the resource declaration used to populate each generated resource. At most one of Data or Clone must be specified. If neither are provided, the generated resource will be created with default data only.

Clone specifies the source resource used to populate each generated resource. At most one of Data or Clone can be specified. If neither are provided, the generated resource will be created with default data only.

Reference is image reference to a container image in the registry. Example: ghcr.io/kyverno/kyverno:latest

JMESPath is an optional JSON Match Expression that can be used to transform the ImageData struct returned as a result of processing the image reference.

Image is the image name consisting of the registry address, repository, image, and tag. Wildcards (‘*’ and ‘?’) are allowed. See: https://kubernetes.io/docs/concepts/containers/images. Deprecated. Use ImageReferences instead.

ImageReferences is a list of matching image reference patterns. At least one pattern in the list must match the image for the rule to apply. Each image reference consists of a registry address (defaults to docker.io), repository, image, and tag (defaults to latest). Wildcards (‘*’ and ‘?’) are allowed. See: https://kubernetes.io/docs/concepts/containers/images.

Key is the PEM encoded public key that the image or attestation is signed with. Deprecated. Use StaticKeyAttestor instead.

Roots is the PEM encoded Root certificate chain used for keyless signing Deprecated. Use KeylessAttestor instead.

Subject is the identity used for keyless signing, for example an email address Deprecated. Use KeylessAttestor instead.

Issuer is the certificate issuer used for keyless signing. Deprecated. Use KeylessAttestor instead.

AdditionalExtensions are certificate-extensions used for keyless signing. Deprecated.

Attestors specified the required attestors (i.e. authorities)

Attestations are optional checks for signed in-toto Statements used to verify the image. See https://github.com/in-toto/attestation. Kyverno fetches signed attestations from the OCI registry and decodes them into a list of Statement declarations.

Annotations are used for image verification. Every specified key-value pair must exist and match in the verified payload. The payload may contain other key-value pairs.

Repository is an optional alternate OCI repository to use for image signatures that match this rule. If specified Repository will override the default OCI image repository configured for the installation.

Issuer is the certificate issuer used for keyless signing.

Subject is the verified identity used for keyless signing, for example the email address

Roots is a PEM encoded CA certificate chain

AdditionalExtensions are certificate-extensions used for keyless signing.

Any allows specifying resources which will be ORed

All allows specifying resources which will be ANDed

UserInfo contains information about the user performing the operation. Specifying UserInfo directly under match is being deprecated. Please specify under “any” or “all” instead.

ResourceDescription contains information about the resource being created or modified. Requires at least one tag to be specified when under MatchResources. Specifying ResourceDescription directly under match is being deprecated. Please specify under “any” or “all” instead.

PatchStrategicMerge is a strategic merge patch used to modify resources. See https://kubernetes.io/docs/tasks/manage-kubernetes-objects/update-api-object-kubectl-patch/ and https://kubectl.docs.kubernetes.io/references/kustomize/patchesstrategicmerge/.

PatchesJSON6902 is a list of RFC 6902 JSON Patch declarations used to modify resources. See https://tools.ietf.org/html/rfc6902 and https://kubectl.docs.kubernetes.io/references/kustomize/patchesjson6902/.

ForEach applies mutation rules to a list of sub-elements by creating a context for each entry in the list and looping over it to apply the specified logic.

Spec defines policy behaviors and contains one or more rules.

Status contains policy runtime information. Deprecated. Policy metrics are available via the metrics endpoint

Ready indicates if the policy is ready to serve the admission request. Deprecated in favor of Conditions

Conditions is a list of conditions that apply to the policy

Autogen contains autogen status information

Rules is a list of Rule instances. It contains original rules defined in the spec auto generated rules added for pod controllers

Roles is a list of possible role send the request.

ClusterRoles is a list of possible clusterRoles send the request.

UserInfo is the userInfo carried in the admission request.

Kinds is a list of resource kinds.

Name is the name of the resource. The name supports wildcard characters “*” (matches zero or many characters) and “?” (at least one character).

Names are the names of the resources. Each name supports wildcard characters “*” (matches zero or many characters) and “?” (at least one character). NOTE: “Name” is being deprecated in favor of “Names”.

Namespaces is a list of namespaces names. Each name supports wildcard characters “*” (matches zero or many characters) and “?” (at least one character).

Annotations is a map of annotations (key-value pairs of type string). Annotation keys and values support the wildcard characters “*” (matches zero or many characters) and “?” (matches at least one character).

Selector is a label selector. Label keys and values in matchLabels support the wildcard characters * (matches zero or many characters) and ? (matches one character). Wildcards allows writing label selectors like [“storage.k8s.io/”: “”]. Note that using [”” : “”] matches any key and value but does not match an empty label set.

NamespaceSelector is a label selector for the resource namespace. Label keys and values in matchLabels support the wildcard characters * (matches zero or many characters) and ? (matches one character).Wildcards allows writing label selectors like [“storage.k8s.io/”: “”]. Note that using [”” : “”] matches any key and value but does not match an empty label set.

UserInfo contains information about the user performing the operation.

ResourceDescription contains information about the resource being created or modified.

APIVersion specifies resource apiVersion.

Kind specifies resource kind.

Namespace specifies resource namespace.

Name specifies the resource name.

Name is a label to identify the rule, It must be unique within the policy.

Context defines variables and data sources that can be used during rule execution.

MatchResources defines when this policy rule should be applied. The match criteria can include resource information (e.g. kind, name, namespace, labels) and admission review request information like the user name or role. At least one kind is required.

ExcludeResources defines when this policy rule should not be applied. The exclude criteria can include resource information (e.g. kind, name, namespace, labels) and admission review request information like the name or role.

Preconditions are used to determine if a policy rule should be applied by evaluating a set of conditions. The declaration can contain nested any or all statements. A direct list of conditions (without any or all statements is supported for backwards compatibility but will be deprecated in the next major release. See: https://kyverno.io/docs/writing-policies/preconditions/

Mutation is used to modify matching resources.

Validation is used to validate matching resources.

Generation is used to create new resources.

VerifyImages is used to verify image signatures and mutate them to add a digest

Rules is a list of Rule instances. A Policy contains multiple rules and each rule can validate, mutate, or generate resources.

FailurePolicy defines how unrecognized errors from the admission endpoint are handled. Rules within the same policy share the same failure behavior. Allowed values are Ignore or Fail. Defaults to Fail.

ValidationFailureAction controls if a validation policy rule failure should disallow the admission review request (enforce), or allow (audit) the admission review request and report an error in a policy report. Optional. The default value is “audit”.

ValidationFailureActionOverrides is a Cluster Policy attribute that specifies ValidationFailureAction namespace-wise. It overrides ValidationFailureAction for the specified namespaces.

Background controls if rules are applied to existing resources during a background scan. Optional. Default value is “true”. The value must be set to “false” if the policy rule uses variables that are only available in the admission review request (e.g. user name).

SchemaValidation skips policy validation checks. Optional. The default value is set to “true”, it must be set to “false” to disable the validation checks.

WebhookTimeoutSeconds specifies the maximum time in seconds allowed to apply this policy. After the configured time expires, the admission request may fail, or may simply ignore the policy results, based on the failure policy. The default timeout is 10s, the value must be between 1 and 30 seconds.

Key is an X.509 public key used to verify image signatures. The key can be directly specified or can be a variable reference to a key specified in a ConfigMap (see https://kyverno.io/docs/writing-policies/variables/).

Roles is the list of namespaced role names for the user.

ClusterRoles is the list of cluster-wide role names for the user.

Subjects is the list of subject names like users, user groups, and service accounts.

Message specifies a custom message to be displayed on failure.

ForEach applies validate rules to a list of sub-elements by creating a context for each entry in the list and looping over it to apply the specified logic.

Pattern specifies an overlay-style pattern used to check resources.

AnyPattern specifies list of validation patterns. At least one of the patterns must be satisfied for the validation rule to succeed.

Deny defines conditions used to pass or fail a validation rule.

Name specifies violated rule name.

Type specifies violated rule type.

Message specifies violation message.

Status shows the rule response status