mirror of
https://github.com/kyverno/kyverno.git
synced 2025-03-12 19:06:55 +00:00
a1182859ad
* Added `x509_decode` JMESPath function
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
* Use `crypto/x509` stdlib
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
* Return result as `map[string]interface{}`
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
* Made minor fixes
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
* Fixed error with unmarshalling decoded certificate
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
* Added e2e test for decoding X.509 certs
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
* Reverted to using `smallstep/zcrypto` for X.509
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
* Minor fix
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
* Addressed reviews
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
* Removed redundant dependency on `pkg/errors`
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
Signed-off-by: Abhinav Sinha <abhinav@nirmata.com>
Co-authored-by: shuting <shuting@nirmata.com>
983 lines
41 KiB
Go
983 lines
41 KiB
Go
package validate
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import "fmt"
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// Namespace Description
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var namespaceYaml = []byte(`
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apiVersion: v1
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kind: Namespace
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metadata:
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name: test-validate
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`)
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func newNamespaceYaml(name string) []byte {
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ns := fmt.Sprintf(`
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apiVersion: v1
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kind: Namespace
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metadata:
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name: %s
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`, name)
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return []byte(ns)
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}
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// Regression: https://github.com/kyverno/kyverno/issues/2043
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// Policy: https://github.com/fluxcd/flux2-multi-tenancy/blob/main/infrastructure/kyverno-policies/flux-multi-tenancy.yaml
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var kyverno_2043_policy = []byte(`
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apiVersion: kyverno.io/v1
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kind: ClusterPolicy
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metadata:
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name: flux-multi-tenancy
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spec:
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validationFailureAction: enforce
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rules:
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- name: serviceAccountName
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exclude:
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resources:
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namespaces:
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- flux-system
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match:
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resources:
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kinds:
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- Kustomization
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- HelmRelease
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validate:
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message: ".spec.serviceAccountName is required"
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pattern:
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spec:
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serviceAccountName: "?*"
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- name: sourceRefNamespace
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exclude:
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resources:
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namespaces:
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- flux-system
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match:
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resources:
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kinds:
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- Kustomization
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- HelmRelease
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validate:
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message: "spec.sourceRef.namespace must be the same as metadata.namespace"
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deny:
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conditions:
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- key: "{{request.object.spec.sourceRef.namespace}}"
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operator: NotEquals
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value: "{{request.object.metadata.namespace}}"
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`)
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var kyverno_2241_policy = []byte(`
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apiVersion: kyverno.io/v1
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kind: ClusterPolicy
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metadata:
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name: flux-multi-tenancy
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spec:
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validationFailureAction: enforce
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rules:
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- name: serviceAccountName
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exclude:
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resources:
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namespaces:
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- flux-system
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match:
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resources:
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kinds:
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- Kustomization
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- HelmRelease
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validate:
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message: ".spec.serviceAccountName is required"
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pattern:
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spec:
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serviceAccountName: "?*"
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- name: sourceRefNamespace
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exclude:
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resources:
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namespaces:
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- flux-system
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match:
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resources:
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kinds:
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- Kustomization
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- HelmRelease
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preconditions:
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any:
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- key: "{{request.object.spec.sourceRef.namespace}}"
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operator: NotEquals
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value: ""
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validate:
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message: "spec.sourceRef.namespace must be the same as metadata.namespace"
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deny:
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conditions:
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- key: "{{request.object.spec.sourceRef.namespace}}"
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operator: NotEquals
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value: "{{request.object.metadata.namespace}}"
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`)
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var kyverno_2043_FluxCRD = []byte(`
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apiVersion: apiextensions.k8s.io/v1
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kind: CustomResourceDefinition
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metadata:
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annotations:
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controller-gen.kubebuilder.io/version: v0.5.0
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creationTimestamp: null
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name: kustomizations.kustomize.toolkit.fluxcd.io
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spec:
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group: kustomize.toolkit.fluxcd.io
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names:
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kind: Kustomization
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listKind: KustomizationList
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plural: kustomizations
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shortNames:
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- ks
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singular: kustomization
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scope: Namespaced
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versions:
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- additionalPrinterColumns:
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- jsonPath: .status.conditions[?(@.type=="Ready")].status
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name: Ready
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type: string
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- jsonPath: .status.conditions[?(@.type=="Ready")].message
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name: Status
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type: string
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- jsonPath: .metadata.creationTimestamp
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name: Age
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type: date
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name: v1beta1
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schema:
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openAPIV3Schema:
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description: Kustomization is the Schema for the kustomizations API.
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properties:
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apiVersion:
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description: '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'
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type: string
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kind:
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description: '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'
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type: string
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metadata:
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type: object
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spec:
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description: KustomizationSpec defines the desired state of a kustomization.
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properties:
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decryption:
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description: Decrypt Kubernetes secrets before applying them on the cluster.
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properties:
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provider:
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description: Provider is the name of the decryption engine.
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enum:
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- sops
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type: string
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secretRef:
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description: The secret name containing the private OpenPGP keys used for decryption.
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properties:
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name:
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description: Name of the referent
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type: string
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required:
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- name
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type: object
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required:
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- provider
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type: object
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dependsOn:
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description: DependsOn may contain a dependency.CrossNamespaceDependencyReference slice with references to Kustomization resources that must be ready before this Kustomization can be reconciled.
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items:
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description: CrossNamespaceDependencyReference holds the reference to a dependency.
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properties:
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name:
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description: Name holds the name reference of a dependency.
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type: string
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namespace:
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description: Namespace holds the namespace reference of a dependency.
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type: string
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required:
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- name
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type: object
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type: array
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force:
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default: false
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description: Force instructs the controller to recreate resources when patching fails due to an immutable field change.
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type: boolean
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healthChecks:
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description: A list of resources to be included in the health assessment.
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items:
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description: NamespacedObjectKindReference contains enough information to let you locate the typed referenced object in any namespace
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properties:
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apiVersion:
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description: API version of the referent, if not specified the Kubernetes preferred version will be used
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type: string
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kind:
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description: Kind of the referent
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type: string
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name:
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description: Name of the referent
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type: string
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namespace:
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description: Namespace of the referent, when not specified it acts as LocalObjectReference
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type: string
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required:
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- kind
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- name
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type: object
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type: array
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images:
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description: Images is a list of (image name, new name, new tag or digest) for changing image names, tags or digests. This can also be achieved with a patch, but this operator is simpler to specify.
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items:
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description: Image contains an image name, a new name, a new tag or digest, which will replace the original name and tag.
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properties:
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digest:
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description: Digest is the value used to replace the original image tag. If digest is present NewTag value is ignored.
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type: string
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name:
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description: Name is a tag-less image name.
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type: string
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newName:
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description: NewName is the value used to replace the original name.
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type: string
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newTag:
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description: NewTag is the value used to replace the original tag.
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type: string
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required:
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- name
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type: object
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type: array
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interval:
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description: The interval at which to reconcile the Kustomization.
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type: string
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kubeConfig:
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description: The KubeConfig for reconciling the Kustomization on a remote cluster. When specified, KubeConfig takes precedence over ServiceAccountName.
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properties:
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secretRef:
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description: SecretRef holds the name to a secret that contains a 'value' key with the kubeconfig file as the value. It must be in the same namespace as the Kustomization. It is recommended that the kubeconfig is self-contained, and the secret is regularly updated if credentials such as a cloud-access-token expire.
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properties:
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name:
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description: Name of the referent
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type: string
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required:
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- name
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type: object
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type: object
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patches:
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description: Patches (also called overlays), defined as inline YAML objects.
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items:
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description: Patch contains either a StrategicMerge or a JSON6902 patch, either a file or inline, and the target the patch should be applied to.
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properties:
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patch:
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description: Patch contains the JSON6902 patch document with an array of operation objects.
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type: string
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target:
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description: Target points to the resources that the patch document should be applied to.
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properties:
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annotationSelector:
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description: AnnotationSelector is a string that follows the label selection expression https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#api It matches with the resource annotations.
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type: string
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group:
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description: Group is the API group to select resources from. Together with Version and Kind it is capable of unambiguously identifying and/or selecting resources. https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/api-group.md
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type: string
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kind:
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description: Kind of the API Group to select resources from. Together with Group and Version it is capable of unambiguously identifying and/or selecting resources. https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/api-group.md
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type: string
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labelSelector:
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description: LabelSelector is a string that follows the label selection expression https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#api It matches with the resource labels.
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type: string
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name:
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description: Name to match resources with.
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type: string
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namespace:
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description: Namespace to select resources from.
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type: string
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version:
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description: Version of the API Group to select resources from. Together with Group and Kind it is capable of unambiguously identifying and/or selecting resources. https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/api-group.md
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type: string
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type: object
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type: object
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type: array
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patchesJson6902:
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description: JSON 6902 patches, defined as inline YAML objects.
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items:
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description: JSON6902Patch contains a JSON6902 patch and the target the patch should be applied to.
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properties:
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patch:
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description: Patch contains the JSON6902 patch document with an array of operation objects.
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items:
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description: JSON6902 is a JSON6902 operation object. https://tools.ietf.org/html/rfc6902#section-4
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properties:
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from:
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type: string
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op:
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enum:
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- test
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- remove
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- add
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- replace
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- move
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- copy
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type: string
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path:
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type: string
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value:
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x-kubernetes-preserve-unknown-fields: true
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required:
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- op
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- path
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type: object
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type: array
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target:
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description: Target points to the resources that the patch document should be applied to.
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properties:
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annotationSelector:
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|
description: AnnotationSelector is a string that follows the label selection expression https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#api It matches with the resource annotations.
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type: string
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|
group:
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description: Group is the API group to select resources from. Together with Version and Kind it is capable of unambiguously identifying and/or selecting resources. https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/api-group.md
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type: string
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|
kind:
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|
description: Kind of the API Group to select resources from. Together with Group and Version it is capable of unambiguously identifying and/or selecting resources. https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/api-group.md
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type: string
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|
labelSelector:
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|
description: LabelSelector is a string that follows the label selection expression https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#api It matches with the resource labels.
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|
type: string
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name:
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|
description: Name to match resources with.
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type: string
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namespace:
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|
description: Namespace to select resources from.
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|
type: string
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|
version:
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|
description: Version of the API Group to select resources from. Together with Group and Kind it is capable of unambiguously identifying and/or selecting resources. https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/api-group.md
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type: string
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|
type: object
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required:
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- patch
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- target
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type: object
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type: array
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patchesStrategicMerge:
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description: Strategic merge patches, defined as inline YAML objects.
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items:
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x-kubernetes-preserve-unknown-fields: true
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type: array
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path:
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|
description: Path to the directory containing the kustomization.yaml file, or the set of plain YAMLs a kustomization.yaml should be generated for. Defaults to 'None', which translates to the root path of the SourceRef.
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type: string
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postBuild:
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|
description: PostBuild describes which actions to perform on the YAML manifest generated by building the kustomize overlay.
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properties:
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substitute:
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additionalProperties:
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type: string
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description: Substitute holds a map of key/value pairs. The variables defined in your YAML manifests that match any of the keys defined in the map will be substituted with the set value. Includes support for bash string replacement functions e.g. ${var:=default}, ${var:position} and ${var/substring/replacement}.
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type: object
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substituteFrom:
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description: SubstituteFrom holds references to ConfigMaps and Secrets containing the variables and their values to be substituted in the YAML manifests. The ConfigMap and the Secret data keys represent the var names and they must match the vars declared in the manifests for the substitution to happen.
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items:
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description: SubstituteReference contains a reference to a resource containing the variables name and value.
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properties:
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kind:
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|
description: Kind of the values referent, valid values are ('Secret', 'ConfigMap').
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enum:
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- Secret
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- ConfigMap
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|
type: string
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name:
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description: Name of the values referent. Should reside in the same namespace as the referring resource.
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|
maxLength: 253
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minLength: 1
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|
type: string
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required:
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- kind
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- name
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|
type: object
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|
type: array
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|
type: object
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prune:
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description: Prune enables garbage collection.
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type: boolean
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retryInterval:
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description: The interval at which to retry a previously failed reconciliation. When not specified, the controller uses the KustomizationSpec.Interval value to retry failures.
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type: string
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serviceAccountName:
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description: The name of the Kubernetes service account to impersonate when reconciling this Kustomization.
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|
type: string
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sourceRef:
|
|
description: Reference of the source where the kustomization file is.
|
|
properties:
|
|
apiVersion:
|
|
description: API version of the referent
|
|
type: string
|
|
kind:
|
|
description: Kind of the referent
|
|
enum:
|
|
- GitRepository
|
|
- Bucket
|
|
type: string
|
|
name:
|
|
description: Name of the referent
|
|
type: string
|
|
namespace:
|
|
description: Namespace of the referent, defaults to the Kustomization namespace
|
|
type: string
|
|
required:
|
|
- kind
|
|
- name
|
|
type: object
|
|
suspend:
|
|
description: This flag tells the controller to suspend subsequent kustomize executions, it does not apply to already started executions. Defaults to false.
|
|
type: boolean
|
|
targetNamespace:
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description: TargetNamespace sets or overrides the namespace in the kustomization.yaml file.
|
|
maxLength: 63
|
|
minLength: 1
|
|
type: string
|
|
timeout:
|
|
description: Timeout for validation, apply and health checking operations. Defaults to 'Interval' duration.
|
|
type: string
|
|
validation:
|
|
description: Validate the Kubernetes objects before applying them on the cluster. The validation strategy can be 'client' (local dry-run), 'server' (APIServer dry-run) or 'none'. When 'Force' is 'true', validation will fallback to 'client' if set to 'server' because server-side validation is not supported in this scenario.
|
|
enum:
|
|
- none
|
|
- client
|
|
- server
|
|
type: string
|
|
required:
|
|
- interval
|
|
- prune
|
|
- sourceRef
|
|
type: object
|
|
status:
|
|
description: KustomizationStatus defines the observed state of a kustomization.
|
|
properties:
|
|
conditions:
|
|
items:
|
|
description: "Condition contains details for one aspect of the current state of this API Resource. --- This struct is intended for direct use as an array at the field path .status.conditions."
|
|
properties:
|
|
lastTransitionTime:
|
|
description: 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.
|
|
format: date-time
|
|
type: string
|
|
message:
|
|
description: message is a human readable message indicating details about the transition. This may be an empty string.
|
|
maxLength: 32768
|
|
type: string
|
|
observedGeneration:
|
|
description: 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.
|
|
format: int64
|
|
minimum: 0
|
|
type: integer
|
|
reason:
|
|
description: 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.
|
|
maxLength: 1024
|
|
minLength: 1
|
|
pattern: ^[A-Za-z]([A-Za-z0-9_,:]*[A-Za-z0-9_])?$
|
|
type: string
|
|
status:
|
|
description: status of the condition, one of True, False, Unknown.
|
|
enum:
|
|
- "True"
|
|
- "False"
|
|
- Unknown
|
|
type: string
|
|
type:
|
|
description: type of condition in CamelCase or in foo.example.com/CamelCase. --- Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be useful (see .node.status.conditions), the ability to deconflict is important. The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)
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|
maxLength: 316
|
|
pattern: ^([a-z0-9]([-a-z0-9]*[a-z0-9])?(\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*/)?(([A-Za-z0-9][-A-Za-z0-9_.]*)?[A-Za-z0-9])$
|
|
type: string
|
|
required:
|
|
- lastTransitionTime
|
|
- message
|
|
- reason
|
|
- status
|
|
- type
|
|
type: object
|
|
type: array
|
|
lastAppliedRevision:
|
|
description: The last successfully applied revision. The revision format for Git sources is <branch|tag>/<commit-sha>.
|
|
type: string
|
|
lastAttemptedRevision:
|
|
description: LastAttemptedRevision is the revision of the last reconciliation attempt.
|
|
type: string
|
|
lastHandledReconcileAt:
|
|
description: LastHandledReconcileAt holds the value of the most recent reconcile request value, so a change can be detected.
|
|
type: string
|
|
observedGeneration:
|
|
description: ObservedGeneration is the last reconciled generation.
|
|
format: int64
|
|
type: integer
|
|
snapshot:
|
|
description: The last successfully applied revision metadata.
|
|
properties:
|
|
checksum:
|
|
description: The manifests sha1 checksum.
|
|
type: string
|
|
entries:
|
|
description: A list of Kubernetes kinds grouped by namespace.
|
|
items:
|
|
description: Snapshot holds the metadata of namespaced Kubernetes objects
|
|
properties:
|
|
kinds:
|
|
additionalProperties:
|
|
type: string
|
|
description: The list of Kubernetes kinds.
|
|
type: object
|
|
namespace:
|
|
description: The namespace of this entry.
|
|
type: string
|
|
required:
|
|
- kinds
|
|
type: object
|
|
type: array
|
|
required:
|
|
- checksum
|
|
- entries
|
|
type: object
|
|
type: object
|
|
type: object
|
|
served: true
|
|
storage: true
|
|
subresources:
|
|
status: {}
|
|
status:
|
|
acceptedNames:
|
|
kind: ""
|
|
plural: ""
|
|
conditions: []
|
|
storedVersions: []
|
|
`)
|
|
|
|
var kyverno_2043_FluxKustomization = []byte(`
|
|
apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
|
|
kind: Kustomization
|
|
metadata:
|
|
name: dev-team
|
|
namespace: test-validate
|
|
spec:
|
|
serviceAccountName: dev-team
|
|
interval: 5m
|
|
sourceRef:
|
|
kind: GitRepository
|
|
name: dev-team
|
|
prune: true
|
|
validation: client
|
|
`)
|
|
|
|
var kyverno_2241_FluxKustomization = []byte(`
|
|
apiVersion: kustomize.toolkit.fluxcd.io/v1beta1
|
|
kind: Kustomization
|
|
metadata:
|
|
name: tenants
|
|
namespace: test-validate
|
|
spec:
|
|
serviceAccountName: dev-team
|
|
interval: 5m
|
|
sourceRef:
|
|
kind: GitRepository
|
|
name: flux-system
|
|
path: ./tenants/production
|
|
prune: true
|
|
validation: client
|
|
`)
|
|
|
|
var kyverno_2345_policy = []byte(`
|
|
apiVersion: kyverno.io/v1
|
|
kind: ClusterPolicy
|
|
metadata:
|
|
name: drop-cap-net-raw
|
|
spec:
|
|
validationFailureAction: enforce
|
|
background: false
|
|
rules:
|
|
- name: drop-cap-net-raw
|
|
match:
|
|
resources:
|
|
kinds:
|
|
- Pod
|
|
validate:
|
|
deny:
|
|
conditions:
|
|
any:
|
|
- key: "{{ request.object.spec.containers[].securityContext.capabilities.drop[] | contains(@, 'NET_RAW') }}"
|
|
operator: Equals
|
|
value: false
|
|
`)
|
|
|
|
var kyverno_2345_resource = []byte(`
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: test
|
|
namespace: test-validate1
|
|
spec:
|
|
initContainers:
|
|
- name: jimmy
|
|
image: defdasdabian:923
|
|
command: ["/bin/sh", "-c", "sleep infinity"]
|
|
securityContext:
|
|
capabilities:
|
|
drop:
|
|
- XXXNET_RAWYYY
|
|
- SETUID
|
|
containers:
|
|
- name: test
|
|
image: defdasdabian:923
|
|
command: ["/bin/sh", "-c", "sleep infinity"]
|
|
securityContext:
|
|
capabilities:
|
|
drop:
|
|
- XXXNET_RAWYYY
|
|
- SETUID
|
|
- CAP_FOO_BAR
|
|
- name: asdf
|
|
image: defdasdabian:923
|
|
command: ["/bin/sh", "-c", "sleep infinity"]
|
|
securityContext:
|
|
capabilities:
|
|
drop:
|
|
- CAP_SOMETHING
|
|
`)
|
|
|
|
var kyverno_trustable_image_policy = []byte(`
|
|
apiVersion: kyverno.io/v1
|
|
kind: ClusterPolicy
|
|
metadata:
|
|
name: check-trustable-images
|
|
spec:
|
|
validationFailureAction: enforce
|
|
rules:
|
|
- name: only-allow-trusted-images
|
|
match:
|
|
resources:
|
|
kinds:
|
|
- Pod
|
|
preconditions:
|
|
- key: "{{request.operation}}"
|
|
operator: NotEquals
|
|
value: DELETE
|
|
validate:
|
|
message: "images with root user are not allowed"
|
|
foreach:
|
|
- list: "request.object.spec.containers"
|
|
context:
|
|
- name: imageData
|
|
imageRegistry:
|
|
reference: "{{ element.image }}"
|
|
jmesPath: "{user: configData.config.User || '', registry: registry}"
|
|
deny:
|
|
conditions:
|
|
all:
|
|
- key: "{{ imageData.user }}"
|
|
operator: Equals
|
|
value: ""
|
|
- key: "{{ imageData.registry }}"
|
|
operator: NotEquals
|
|
value: "ghcr.io"
|
|
`)
|
|
|
|
var kyverno_global_anchor_validate_policy = []byte(`
|
|
apiVersion: kyverno.io/v1
|
|
kind: ClusterPolicy
|
|
metadata:
|
|
name: sample
|
|
spec:
|
|
validationFailureAction: enforce
|
|
rules:
|
|
- name: check-container-image
|
|
match:
|
|
resources:
|
|
kinds:
|
|
- Pod
|
|
validate:
|
|
pattern:
|
|
spec:
|
|
containers:
|
|
- name: "*"
|
|
<(image): "nginx"
|
|
imagePullSecrets:
|
|
- name: my-registry-secret
|
|
`)
|
|
|
|
var kyverno_global_anchor_validate_resource_1 = []byte(`
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod-with-nginx-allowed-registory
|
|
spec:
|
|
containers:
|
|
- name: nginx
|
|
image: nginx
|
|
imagePullSecrets:
|
|
- name: my-registry-secret
|
|
`)
|
|
|
|
var kyverno_global_anchor_validate_resource_2 = []byte(`
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod-with-nginx-disallowed-registory
|
|
spec:
|
|
containers:
|
|
- name: nginx
|
|
image: nginx
|
|
imagePullSecrets:
|
|
- name: other-registory-secret
|
|
`)
|
|
|
|
var kyverno_trusted_image_pod = []byte(`
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod-with-trusted-registry
|
|
spec:
|
|
containers:
|
|
- name: kyverno
|
|
image: ghcr.io/kyverno/kyverno:latest
|
|
`)
|
|
|
|
var kyverno_pod_with_root_user = []byte(`
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: pod-with-root-user
|
|
spec:
|
|
containers:
|
|
- name: ubuntu
|
|
image: ubuntu:bionic
|
|
`)
|
|
|
|
var kyverno_small_image_policy = []byte(`
|
|
apiVersion: kyverno.io/v1
|
|
kind: ClusterPolicy
|
|
metadata:
|
|
name: images
|
|
spec:
|
|
validationFailureAction: enforce
|
|
rules:
|
|
- name: only-allow-small-images
|
|
match:
|
|
resources:
|
|
kinds:
|
|
- Pod
|
|
preconditions:
|
|
- key: "{{request.operation}}"
|
|
operator: NotEquals
|
|
value: DELETE
|
|
validate:
|
|
message: "images with size greater than 2Gi not allowed"
|
|
foreach:
|
|
- list: "request.object.spec.containers"
|
|
context:
|
|
- name: imageSize
|
|
imageRegistry:
|
|
reference: "{{ element.image }}"
|
|
# Note that we need to use "to_string" here to allow kyverno to treat it like a resource quantity of type memory
|
|
# the total size of an image as calculated by docker is the total sum of its layer sizes
|
|
jmesPath: "to_string(sum(manifest.layers[*].size))"
|
|
deny:
|
|
conditions:
|
|
- key: "2Gi"
|
|
operator: LessThan
|
|
value: "{{imageSize}}"
|
|
`)
|
|
|
|
var kyverno_pod_with_small_image = []byte(`
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: small-image
|
|
spec:
|
|
containers:
|
|
- name: small-image
|
|
image: busybox:latest
|
|
`)
|
|
|
|
var kyverno_pod_with_large_image = []byte(`
|
|
apiVersion: v1
|
|
kind: Pod
|
|
metadata:
|
|
name: large-image
|
|
spec:
|
|
containers:
|
|
- name: large-image
|
|
image: nvidia/cuda:11.6.0-devel-ubi8
|
|
`)
|
|
|
|
var kyverno_yaml_signing_validate_policy = []byte(`
|
|
apiVersion: kyverno.io/v1
|
|
kind: ClusterPolicy
|
|
metadata:
|
|
name: validate-resources
|
|
spec:
|
|
validationFailureAction: enforce
|
|
background: false
|
|
webhookTimeoutSeconds: 30
|
|
failurePolicy: Fail
|
|
rules:
|
|
- name: validate-resources
|
|
match:
|
|
any:
|
|
- resources:
|
|
kinds:
|
|
- Deployment
|
|
- Pod
|
|
name: test*
|
|
exclude:
|
|
any:
|
|
- resources:
|
|
kinds:
|
|
- Pod
|
|
subjects:
|
|
- kind: ServiceAccount
|
|
namespace: kube-system
|
|
name: replicaset-controller
|
|
- resources:
|
|
kinds:
|
|
- ReplicaSet
|
|
subjects:
|
|
- kind: ServiceAccount
|
|
namespace: kube-system
|
|
name: deployment-controller
|
|
validate:
|
|
manifests:
|
|
attestors:
|
|
- entries:
|
|
- keys:
|
|
publicKeys: |-
|
|
-----BEGIN PUBLIC KEY-----
|
|
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEyQfmL5YwHbn9xrrgG3vgbU0KJxMY
|
|
BibYLJ5L4VSMvGxeMLnBGdM48w5IE//6idUPj3rscigFdHs7GDMH4LLAng==
|
|
-----END PUBLIC KEY-----
|
|
`)
|
|
|
|
var kyverno_yaml_signing_validate_resource_1 = []byte(`
|
|
apiVersion: apps/v1
|
|
kind: Deployment
|
|
metadata:
|
|
labels:
|
|
app: nginx
|
|
name: test-deployment
|
|
spec:
|
|
replicas: 1
|
|
selector:
|
|
matchLabels:
|
|
app: nginx
|
|
template:
|
|
metadata:
|
|
labels:
|
|
app: nginx
|
|
spec:
|
|
containers:
|
|
- image: nginx:1.14.2
|
|
name: nginx
|
|
ports:
|
|
- containerPort: 80
|
|
|
|
`)
|
|
|
|
var kyverno_yaml_signing_validate_resource_2 = []byte(`
|
|
apiVersion: apps/v1
|
|
kind: Deployment
|
|
metadata:
|
|
annotations:
|
|
cosign.sigstore.dev/message: H4sIAAAAAAAA/wBaAaX+H4sIAAAAAAAA/+ySz27bMAzGffZT8AUcSf6TpDrvuMMOw64DazOeEP2bxBZtn35wnXhegOW4oYB/F9rg930gQYlnTOIU7EApC/8mlDye7c9xqNk/Stc49902rn1ppZRy9OKr6IOLiXI2fqwYUzW+KXmQDw9tUx8FU+ZqoGjDqyPPu1d0tigm775t3+th371XWc//E12zL1Rbq042XacOhWzquusKkMU/4CkzpkLKdH4awh1dZjyd7vQvuyz1g4DRfKOUTfAaMMYsnlV5Nn7Q8Gk5Y+mIcUBGXQJYfCSbpy+YDBr8aPxLCeDRkYabF1DmSP0kThSt6TFrUCVAJks9hzTHOOT+x+dV7k0yk4sWmS7q1TAT9g/jjRXgOsBEHzyj8ZRW8gqMw5EuFq12qt3VS/e61u+8mRgSr0LmoCX+S0is4SjL/33djY2Njb/zKwAA//+MAMwjAAgAAAEAAP//7NcJ9loBAAA=
|
|
cosign.sigstore.dev/signature: MEUCICLCfb3LGKXcdKV3gTXl6qba3T2goZMbVX/54gyNR05UAiEAlvPuWVsCPuBx5wVqvtyT7hr/AfR9Fl7cNLDACaNIbx8=
|
|
labels:
|
|
app: nginx
|
|
name: test-deployment
|
|
spec:
|
|
replicas: 1
|
|
selector:
|
|
matchLabels:
|
|
app: nginx
|
|
template:
|
|
metadata:
|
|
labels:
|
|
app: nginx
|
|
spec:
|
|
containers:
|
|
- image: nginx:1.14.2
|
|
name: nginx
|
|
ports:
|
|
- containerPort: 80
|
|
`)
|
|
|
|
var kyverno_decode_x509_certificate_policy = []byte(`
|
|
apiVersion: kyverno.io/v1
|
|
kind: ClusterPolicy
|
|
metadata:
|
|
name: test-x509-decode
|
|
spec:
|
|
validationFailureAction: enforce
|
|
rules:
|
|
- name: test-x509-decode
|
|
match:
|
|
any:
|
|
- resources:
|
|
kinds:
|
|
- ConfigMap
|
|
validate:
|
|
message: "public key modulus mismatch: \"{{ x509_decode('{{request.object.data.cert}}').PublicKey.N }}\" != \"{{ x509_decode('{{base64_decode('{{request.object.data.certB64}}')}}').PublicKey.N }}\""
|
|
deny:
|
|
conditions:
|
|
any:
|
|
- key: "{{ x509_decode('{{request.object.data.cert}}').PublicKey.N }}"
|
|
operator: NotEquals
|
|
value: "{{ x509_decode('{{base64_decode('{{request.object.data.certB64}}')}}').PublicKey.N }}"
|
|
`)
|
|
|
|
var kyverno_decode_x509_certificate_resource_fail = []byte(`
|
|
apiVersion: v1
|
|
kind: ConfigMap
|
|
metadata:
|
|
name: test-configmap
|
|
namespace: test-validate
|
|
data:
|
|
cert: |
|
|
-----BEGIN CERTIFICATE-----
|
|
MIIDSjCCAjKgAwIBAgIUWxmj40l+TDVJq98Xy7c6Leo3np8wDQYJKoZIhvcNAQEL
|
|
BQAwPTELMAkGA1UEBhMCeHgxCjAIBgNVBAgTAXgxCjAIBgNVBAcTAXgxCjAIBgNV
|
|
BAoTAXgxCjAIBgNVBAsTAXgwHhcNMTgwMjAyMTIzODAwWhcNMjMwMjAxMTIzODAw
|
|
WjA9MQswCQYDVQQGEwJ4eDEKMAgGA1UECBMBeDEKMAgGA1UEBxMBeDEKMAgGA1UE
|
|
ChMBeDEKMAgGA1UECxMBeDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
|
|
ANHkqOmVf23KMXdaZU2eFUx1h4wb09JINBB8x/HL7UE0KFJcnOoVnNQB0gRukUop
|
|
iYCzrzMFyGWWmB/pAEKool+ZiI2uMy6mcYBDtOi4pOm7U0TQQMV6L/5Yfi65xRz3
|
|
RTMd/tYAoFi4aCZbJAGjxU6UWNYDzTy8E/cP6ZnlNbVHRiA6/wHsoWcXtWTXYP5y
|
|
n9cf7EWQi1hOBM4BWmOIyB1f6LEgQipZWMOMPPHO3hsuSBn0rk7jovSt5XTlbgRr
|
|
txqAJiNjJUykWzIF+lLnZCioippGv5vkdGvE83JoACXvZTUwzA+MLu49fkw3bweq
|
|
kbhrer8kacjfGlw3aJN37eECAwEAAaNCMEAwDgYDVR0PAQH/BAQDAgEGMA8GA1Ud
|
|
EwEB/wQFMAMBAf8wHQYDVR0OBBYEFKXcb52bv6oqnD+D9fTNFHZL8IWxMA0GCSqG
|
|
SIb3DQEBCwUAA4IBAQADvKvv3ym0XAYwKxPLLl3Lc6sJYHDbTN0donduG7PXeb1d
|
|
huukJ2lfufUYp2IGSAxuLecTYeeByOVp1gaMb5LsIGt2BVDmlMMkiH29LUHsvbyi
|
|
85CpJo7A5RJG6AWW2VBCiDjz5v8JFM6pMkBRFfXH+pwIge65CE+MTSQcfb1/aIIo
|
|
Q226P7E/3uUGX4k4pDXG/O7GNvykF40v1DB5y7DDBTQ4JWiJfyGkT69TmdOGLFAm
|
|
jwxUjWyvEey4qJex/EGEm5RQcMv9iy7tba1wK7sykNGn5uDELGPGIIEAa5rIHm1F
|
|
UFOZZVoELaasWS559wy8og39Eq21dDMynb8Bndn/
|
|
-----END CERTIFICATE-----
|
|
certB64: 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
|
|
`)
|
|
|
|
var kyverno_decode_x509_certificate_resource_pass = []byte(`
|
|
apiVersion: v1
|
|
kind: ConfigMap
|
|
metadata:
|
|
name: test-configmap
|
|
namespace: test-validate
|
|
data:
|
|
cert: |
|
|
-----BEGIN CERTIFICATE-----
|
|
MIIDSjCCAjKgAwIBAgIUWxmj40l+TDVJq98Xy7c6Leo3np8wDQYJKoZIhvcNAQEL
|
|
BQAwPTELMAkGA1UEBhMCeHgxCjAIBgNVBAgTAXgxCjAIBgNVBAcTAXgxCjAIBgNV
|
|
BAoTAXgxCjAIBgNVBAsTAXgwHhcNMTgwMjAyMTIzODAwWhcNMjMwMjAxMTIzODAw
|
|
WjA9MQswCQYDVQQGEwJ4eDEKMAgGA1UECBMBeDEKMAgGA1UEBxMBeDEKMAgGA1UE
|
|
ChMBeDEKMAgGA1UECxMBeDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEB
|
|
ANHkqOmVf23KMXdaZU2eFUx1h4wb09JINBB8x/HL7UE0KFJcnOoVnNQB0gRukUop
|
|
iYCzrzMFyGWWmB/pAEKool+ZiI2uMy6mcYBDtOi4pOm7U0TQQMV6L/5Yfi65xRz3
|
|
RTMd/tYAoFi4aCZbJAGjxU6UWNYDzTy8E/cP6ZnlNbVHRiA6/wHsoWcXtWTXYP5y
|
|
n9cf7EWQi1hOBM4BWmOIyB1f6LEgQipZWMOMPPHO3hsuSBn0rk7jovSt5XTlbgRr
|
|
txqAJiNjJUykWzIF+lLnZCioippGv5vkdGvE83JoACXvZTUwzA+MLu49fkw3bweq
|
|
kbhrer8kacjfGlw3aJN37eECAwEAAaNCMEAwDgYDVR0PAQH/BAQDAgEGMA8GA1Ud
|
|
EwEB/wQFMAMBAf8wHQYDVR0OBBYEFKXcb52bv6oqnD+D9fTNFHZL8IWxMA0GCSqG
|
|
SIb3DQEBCwUAA4IBAQADvKvv3ym0XAYwKxPLLl3Lc6sJYHDbTN0donduG7PXeb1d
|
|
huukJ2lfufUYp2IGSAxuLecTYeeByOVp1gaMb5LsIGt2BVDmlMMkiH29LUHsvbyi
|
|
85CpJo7A5RJG6AWW2VBCiDjz5v8JFM6pMkBRFfXH+pwIge65CE+MTSQcfb1/aIIo
|
|
Q226P7E/3uUGX4k4pDXG/O7GNvykF40v1DB5y7DDBTQ4JWiJfyGkT69TmdOGLFAm
|
|
jwxUjWyvEey4qJex/EGEm5RQcMv9iy7tba1wK7sykNGn5uDELGPGIIEAa5rIHm1F
|
|
UFOZZVoELaasWS559wy8og39Eq21dDMynb8Bndn/
|
|
-----END CERTIFICATE-----
|
|
certB64: 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
|
|
`)
|