kyverno/test/conformance/chainsaw/policy-validation/cluster-policy/success/policy-1.yaml

apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
  name: vault-init-injector
  annotations:
    policies.kyverno.io/title: Inject vault init Container
spec:
  background: false
  validationFailureAction: Audit
  rules:
  - name: inject-vault-sidecar
    match:
      any:
      - resources:
          kinds:
          - Deployment
    preconditions:
      all:
      - key: "{{ request.object.spec.template.metadata.annotations.\"vault.k8s.corp.com/inject\"  || ''}}"
        operator: Equals
        value: "true"
      - key: vault-init
        operator: AnyNotIn
        value: "{{ request.object.spec.template.spec.initContainers[].name || ['']}}"
    mutate:
      patchesJson6902: |-
        - op: add
          path: /spec/template/spec/initContainers
          value: 
            - name: vault-init
              image: registry.corp.com/infrastructure/vault-init:dev-53
              imagePullPolicy: IfNotPresent
              resources:
                requests:
                  cpu: 100m
                  memory: 64M
                limits:
                  cpu: 500m
                  memory: 128M
              volumeMounts:
              - mountPath: "/secret"
                name: vault-secret
              env:
              - name: VAULT_ENTRY
                valueFrom:
                  fieldRef:
                    apiVersion: v1
                    fieldPath: metadata.annotations["vault.k8s.corp.com/role"]
        - op: add
          path: /spec/template/spec/volumes/-1
          value:
            name: vault-secret
            emptyDir:
              medium: Memory
        - op: add
          path: /spec/template/spec/containers/0/volumeMounts/-1
          value:
            mountPath: "/secret"
            name: vault-secret
        - op: add
          path: /spec/template/metadata/annotations/config.linkerd.io~1skip-outbound-ports
          value: "8200"