title: k8s kustomize patch json
body: <p>i'm using kustomize to build k8s manifest file , i'm looking for a solution to insert value of namespace as variable (to be dynamic) into patch operation as described in file below , i had many patch operations and actually i just hardcoded value of namespace in each op.</p>
  <pre><code>apiVersion: kustomize.config.k8s.io/v1beta1
  kind: Kustomization
      namespace: test1
  patchesJson6902:
    - patch: |-
        - op: add
          path: /spec/groups/0/rules/0/labels/namespace
          value: test1
       - op: add
          path: /spec/groups/0/rules/1/labels/namespace
          value: test1
        - op: add
          path: /spec/groups/0/rules/2/labels/namespace
          value: test1
  </code></pre>