okd/roles/openshift_hosted/tasks/registry.yml

---
- name: setup firewall
  import_tasks: firewall.yml
  vars:
    l_openshift_hosted_firewall_enabled: "{{ r_openshift_hosted_registry_firewall_enabled }}"
    l_openshift_hosted_use_firewalld: "{{ r_openshift_hosted_registry_use_firewalld }}"
    l_openshift_hosted_fw_allow: "{{ r_openshift_hosted_registry_os_firewall_allow }}"
    l_openshift_hosted_fw_deny: "{{ r_openshift_hosted_registry_os_firewall_deny }}"

- when: openshift_hosted_registry_replicas | default(none) is none
  block:
  - name: Retrieve list of openshift nodes matching registry selector
    oc_obj:
      state: list
      kind: node
      selector: "{{ openshift_hosted_registry_selector }}"
    register: registry_nodes

  - name: set_fact l_node_count to number of nodes matching registry selector
    set_fact:
      l_node_count: "{{ registry_nodes.results.results[0]['items'] | length }}"

  # Determine the default number of registry/router replicas to use if no count
  # has been specified.
  # If no registry nodes defined, the default should be 0.
  - name: set_fact l_default_replicas when l_node_count == 0
    set_fact:
      l_default_replicas: 0
    when: l_node_count | int == 0

  # If registry nodes are defined and the registry storage kind is
  # defined, default should be the number of registry nodes, otherwise
  # just 1:
  - name: set_fact l_default_replicas when l_node_count > 0
    set_fact:
      l_default_replicas: "{{ l_node_count if openshift_hosted_registry_storage_kind | default(none) is not none else 1 }}"
    when: l_node_count | int > 0

- name: set openshift_hosted facts
  set_fact:
    # This determines the gluster_ips to use for the registry by looping over the glusterfs_registry group
    openshift_hosted_registry_storage_glusterfs_ips: "{%- set gluster_ips = [] %}{% if groups.glusterfs_registry is defined %}{% for node in groups.glusterfs_registry %}{%- set _ = gluster_ips.append(hostvars[node].glusterfs_ip | default(hostvars[node].openshift.common.ip)) %}{% endfor %}{{ gluster_ips }}{% elif groups.glusterfs is defined %}{% for node in groups.glusterfs %}{%- set _ = gluster_ips.append(hostvars[node].glusterfs_ip | default(hostvars[node].openshift.common.ip)) %}{% endfor %}{{ gluster_ips }}{% else %}{{ openshift_hosted_registry_storage_glusterfs_ips }}{% endif %}"

- name: Update registry environment variables when pushing via dns
  set_fact:
    openshift_hosted_registry_env_vars: "{{ openshift_hosted_registry_env_vars | combine({'REGISTRY_OPENSHIFT_SERVER_ADDR':'docker-registry.default.svc:5000'}) }}"
  when: openshift_push_via_dns | bool

- name: Update registry proxy settings for dc/docker-registry
  set_fact:
    openshift_hosted_registry_env_vars: "{{ {'HTTPS_PROXY': (openshift.common.https_proxy | default('')),
                                             'HTTP_PROXY':  (openshift.common.http_proxy  | default('')),
                                             'NO_PROXY':    (openshift.common.no_proxy    | default(''))}
                                           | combine(openshift_hosted_registry_env_vars) }}"
  when: (openshift.common.https_proxy | default(False)) or (openshift.common.http_proxy | default('')) != ''

- name: Create the registry service account
  oc_serviceaccount:
    name: "{{ openshift_hosted_registry_serviceaccount }}"
    namespace: "{{ openshift_hosted_registry_namespace }}"

- name: Grant the registry service account access to the appropriate scc
  oc_adm_policy_user:
    user: "system:serviceaccount:{{ openshift_hosted_registry_namespace }}:{{ openshift_hosted_registry_serviceaccount }}"
    namespace: "{{ openshift_hosted_registry_namespace }}"
    resource_kind: scc
    resource_name: hostnetwork

- name: oc adm policy add-cluster-role-to-user system:registry system:serviceaccount:default:registry
  oc_adm_policy_user:
    user: "system:serviceaccount:{{ openshift_hosted_registry_namespace }}:{{ openshift_hosted_registry_serviceaccount }}"
    namespace: "{{ openshift_hosted_registry_namespace }}"
    resource_kind: cluster-role
    resource_name: system:registry

- name: create the default registry service
  oc_service:
    namespace: "{{ openshift_hosted_registry_namespace }}"
    name: "{{ openshift_hosted_registry_name }}"
    ports:
    - name: 5000-tcp
      port: 5000
      protocol: TCP
      targetPort: 5000
    selector:
      docker-registry: default
    session_affinity: ClientIP
    service_type: ClusterIP
    clusterip: '{{ openshift_hosted_registry_clusterip | default(omit) }}'

- include_tasks: secure.yml
  run_once: true
  when:
  - not (openshift_docker_hosted_registry_insecure | default(False)) | bool

- include_tasks: storage/object_storage.yml
  when:
  - openshift_hosted_registry_storage_kind | default(none) == 'object'

- name: Update openshift_hosted facts for persistent volumes
  set_fact:
    openshift_hosted_registry_volumes: "{{ openshift_hosted_registry_volumes | union(pvc_volume_mounts) }}"
  vars:
    pvc_volume_mounts:
    - name: registry-storage
      type: persistentVolumeClaim
      claim_name: "{{ openshift_hosted_registry_storage_volume_name }}-claim"
  when:
  - openshift_hosted_registry_storage_kind | default(none) in ['nfs', 'openstack', 'glusterfs']

- include_tasks: storage/glusterfs_endpoints.yml
  when:
  - openshift_hosted_registry_storage_glusterfs_ips|length > 0
  - openshift_hosted_registry_storage_kind | default(none) in ['glusterfs']

- name: Create OpenShift registry
  oc_adm_registry:
    name: "{{ openshift_hosted_registry_name }}"
    namespace: "{{ openshift_hosted_registry_namespace }}"
    selector: "{{ openshift_hosted_registry_selector }}"
    replicas: "{{ openshift_hosted_registry_replicas | default(l_default_replicas) }}"
    service_account: "{{ openshift_hosted_registry_serviceaccount }}"
    images: "{{ openshift_hosted_registry_registryurl }}"
    env_vars: "{{ openshift_hosted_registry_env_vars }}"
    volume_mounts: "{{ openshift_hosted_registry_volumes }}"
    edits: "{{ openshift_hosted_registry_edits }}"
    force: "{{ True|bool in openshift_hosted_registry_force }}"

# TODO(michaelgugino) remove this set fact.  It is currently necessary due to
# custom module not properly templating variables.
- name: setup registry list
  set_fact:
    r_openshift_hosted_registry_list:
    - name: "{{ openshift_hosted_registry_name }}"
      namespace: "{{ openshift_hosted_registry_namespace }}"