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bmaupin/convert-deploymentconfig-to-deployment.md

Last active October 8, 2024 19:38
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Convert OpenShift DeploymentConfig to Kubernetes Deployment
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convert-deploymentconfig-to-deployment.md

  1. Change apiVersion from:

    - apiVersion: v1

    (or apiVersion: apps.openshift.io/v1)

    to:

    - apiVersion: apps/v1

  2. Change kind from:

      kind: DeploymentConfig

    to:

      kind: Deployment

  3. Change spec.selectors from:

        selector:
      name: ...

    to:

        selector:
      matchLabels:
        name: ...

  4. Make sure spec.template.spec.containers.image is set, e.g.

            image: registry.access.redhat.com/rhscl/postgresql-${POSTGRESQL_VERSION}-rhel7
        imagePullPolicy: Always

  5. Remove spec.triggers section entirely

@bomboclat
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If could be useful I wrote down a little script to automate the conversion https://gist.github.com/bomboclat/1c53b7e692b1df58af67598337cc2b88

@lsloan
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lsloan commented Jul 15, 2024 •
edited
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Similar to what @kvaps wrote, I thought the DeploymentConfig to Deployment conversion could be done with yq, if working with YAML.

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