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path: root/roles/openshift_hosted/tasks/storage/glusterfs.yml
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---
- name: Get registry DeploymentConfig
  oc_obj:
    namespace: "{{ openshift_hosted_registry_namespace }}"
    state: list
    kind: dc
    name: "{{ openshift_hosted_registry_name }}"
  register: registry_dc

- name: Wait for registry pods
  oc_obj:
    namespace: "{{ openshift_hosted_registry_namespace }}"
    state: list
    kind: pod
    selector: "{% for label, value in registry_dc.results.results[0].spec.selector.items() %}{{ label }}={{ value }}{% if not loop.last %},{% endif %}{% endfor %}"
  register: registry_pods
  until:
  - "registry_pods.results.results[0]['items'] | count > 0"
  # There must be as many matching pods with 'Ready' status True as there are expected replicas
  - "registry_pods.results.results[0]['items'] | lib_utils_oo_collect(attribute='status.conditions') | lib_utils_oo_collect(attribute='status', filters={'type': 'Ready'}) | map('bool') | select | list | count == openshift_hosted_registry_replicas | default(l_default_replicas) | int"
  delay: 10
  retries: "{{ (600 / 10) | int }}"

- name: Determine registry fsGroup
  set_fact:
    openshift_hosted_registry_fsgroup: "{{ registry_pods.results.results[0]['items'][0].spec.securityContext.fsGroup }}"

- name: Create temp mount directory
  command: mktemp -d /tmp/openshift-glusterfs-registry-XXXXXX
  register: mktemp
  changed_when: False
  check_mode: no

- name: Mount registry volume
  mount:
    state: mounted
    fstype: glusterfs
    src: "{% if 'glusterfs_registry' in groups and groups['glusterfs_registry'] | length > 0  %}{% set node = groups.glusterfs_registry[0] %}{% elif 'glusterfs' in groups and groups['glusterfs'] | length > 0 %}{% set node = groups.glusterfs[0] %}{% endif %}{% if openshift_hosted_registry_storage_glusterfs_ips is defined and openshift_hosted_registry_storage_glusterfs_ips|length > 0 %}{{ openshift_hosted_registry_storage_glusterfs_ips[0] }}{% elif 'glusterfs_hostname' in hostvars[node] %}{{ hostvars[node].glusterfs_hostname }}{% elif 'openshift' in hostvars[node] %}{{ hostvars[node].openshift.node.nodename }}{% else %}{{ node }}{% endif %}:/{{ openshift_hosted_registry_storage_glusterfs_path }}"
    name: "{{ mktemp.stdout }}"

- name: Set registry volume permissions
  file:
    dest: "{{ mktemp.stdout }}"
    state: directory
    group: "{{ openshift_hosted_registry_fsgroup }}"
    mode: "2775"
    recurse: True

- block:
  - name: Activate registry maintenance mode
    oc_env:
      kind: dc
      namespace: "{{ openshift_hosted_registry_namespace }}"
      name: "{{ openshift_hosted_registry_name }}"
      env_vars:
        REGISTRY_STORAGE_MAINTENANCE_READONLY_ENABLED: 'true'

  - name: Get first registry pod name
    set_fact:
      registry_pod_name: "{{ registry_pods.results.results[0]['items'][0].metadata.name }}"

  - name: Copy current registry contents to new GlusterFS volume
    command: "oc rsync {{ registry_pod_name }}:/registry/ {{ mktemp.stdout }}/"
    when: openshift_hosted_registry_storage_glusterfs_swapcopy

  - name: Swap new GlusterFS registry volume
    oc_volume:
      namespace: "{{ openshift_hosted_registry_namespace }}"
      name: "{{ openshift_hosted_registry_name }}"
      vol_name: registry-storage
      mount_type: pvc
      claim_name: "{{ openshift_hosted_registry_storage_volume_name }}-glusterfs-claim"

  - name: Deactivate registry maintenance mode
    oc_env:
      kind: dc
      namespace: "{{ openshift_hosted_registry_namespace }}"
      name: "{{ openshift_hosted_registry_name }}"
      state: absent
      env_vars:
        REGISTRY_STORAGE_MAINTENANCE_READONLY_ENABLED: 'true'
  when: openshift_hosted_registry_storage_glusterfs_swap

- name: Unmount registry volume and clean up mount point/fstab
  mount:
    state: absent
    name: "{{ mktemp.stdout }}"