okd/playbooks/common/openshift-cluster/redeploy-certificates/registry.yml

---
- name: Update registry certificates
  hosts: oo_first_master
  vars:
  roles:
  - lib_openshift
  tasks:
  - name: Create temp directory for kubeconfig
    command: mktemp -d /tmp/openshift-ansible-XXXXXX
    register: mktemp
    changed_when: false

  - name: Copy admin client config(s)
    command: >
      cp {{ openshift.common.config_base }}/master//admin.kubeconfig {{ mktemp.stdout }}/admin.kubeconfig
    changed_when: false

  - name: Determine if docker-registry exists
    command: >
      {{ openshift.common.client_binary }} get dc/docker-registry -o json
      --config={{ mktemp.stdout }}/admin.kubeconfig
      -n default
    register: l_docker_registry_dc
    failed_when: false
    changed_when: false

  - set_fact:
      docker_registry_env_vars: "{{ ((l_docker_registry_dc.stdout | from_json)['spec']['template']['spec']['containers'][0]['env']
                                      | oo_collect('name'))
                                      | default([]) }}"
      docker_registry_secrets: "{{ ((l_docker_registry_dc.stdout | from_json)['spec']['template']['spec']['volumes']
                                     | oo_collect('secret')
                                     | oo_collect('secretName'))
                                     | default([]) }}"
    changed_when: false
    when: l_docker_registry_dc.rc == 0

  # Replace dc/docker-registry environment variable certificate data if set.
  - name: Update docker-registry environment variables
    shell: >
      {{ openshift.common.client_binary }} env dc/docker-registry
      OPENSHIFT_CA_DATA="$(cat /etc/origin/master/ca.crt)"
      OPENSHIFT_CERT_DATA="$(cat /etc/origin/master/openshift-registry.crt)"
      OPENSHIFT_KEY_DATA="$(cat /etc/origin/master/openshift-registry.key)"
      --config={{ mktemp.stdout }}/admin.kubeconfig
      -n default
    when: l_docker_registry_dc.rc == 0 and 'OPENSHIFT_CA_DATA' in docker_registry_env_vars and 'OPENSHIFT_CERT_DATA' in docker_registry_env_vars and 'OPENSHIFT_KEY_DATA' in docker_registry_env_vars

  # Replace dc/docker-registry certificate secret contents if set.
  - block:
    - name: Load lib_openshift modules
      include_role:
        name: lib_openshift

    - name: Retrieve registry service IP
      oc_service:
        namespace: default
        name: docker-registry
        state: list
      register: docker_registry_service_ip
      changed_when: false

    - set_fact:
        docker_registry_route_hostname: "{{ 'docker-registry-default.' ~ (openshift.master.default_subdomain | default('router.default.svc.cluster.local', true)) }}"
      changed_when: false

    - name: Generate registry certificate
      command: >
        {{ openshift.common.client_binary }} adm ca create-server-cert
        --signer-cert={{ openshift.common.config_base }}/master/ca.crt
        --signer-key={{ openshift.common.config_base }}/master/ca.key
        --signer-serial={{ openshift.common.config_base }}/master/ca.serial.txt
        --hostnames="{{ docker_registry_service_ip.results.clusterip }},docker-registry.default.svc.cluster.local,{{ docker_registry_route_hostname }}"
        --cert={{ openshift.common.config_base }}/master/registry.crt
        --key={{ openshift.common.config_base }}/master/registry.key

    - name: Update registry certificates secret
      oc_secret:
        kubeconfig: "{{ mktemp.stdout }}/admin.kubeconfig"
        name: registry-certificates
        namespace: default
        state: present
        files:
        - name: registry.crt
          path: "{{ openshift.common.config_base }}/master/registry.crt"
        - name: registry.key
          path: "{{ openshift.common.config_base }}/master/registry.key"
      run_once: true
    when: l_docker_registry_dc.rc == 0 and 'registry-certificates' in docker_registry_secrets and 'REGISTRY_HTTP_TLS_CERTIFICATE' in docker_registry_env_vars and 'REGISTRY_HTTP_TLS_KEY' in docker_registry_env_vars

  - name: Redeploy docker registry
    command: >
      {{ openshift.common.client_binary }} deploy dc/docker-registry
      --latest
      --config={{ mktemp.stdout }}/admin.kubeconfig
      -n default

  - name: Delete temp directory
    file:
      name: "{{ mktemp.stdout }}"
      state: absent
    changed_when: False