okd/roles/openshift_hosted/tasks/registry/secure.yml

---
- name: Determine if registry certificates must be created
  stat:
    path: "{{ openshift_master_config_dir }}/{{ item }}"
  with_items:
  - registry.crt
  - registry.key
  register: docker_registry_certificates_stat_result
  changed_when: false
  failed_when: false

- name: Retrieve registry service IP
  command: >
    {{ openshift.common.client_binary }} get service docker-registry
    --template='{{ '{{' }} .spec.clusterIP {{ '}}' }}'
  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)) }}"

- name: Create registry certificates if they do not exist
  command: >
    {{ openshift.common.admin_binary }} ca create-server-cert
    --signer-cert=/etc/origin/master/ca.crt
    --signer-key=/etc/origin/master/ca.key
    --signer-serial=/etc/origin/master/ca.serial.txt
    --hostnames="{{ docker_registry_service_ip.stdout }},docker-registry.default.svc.cluster.local,{{ docker_registry_route_hostname }}"
    --cert={{ openshift_master_config_dir }}/registry.crt
    --key={{ openshift_master_config_dir }}/registry.key
  when: False in (docker_registry_certificates_stat_result.results | default([]) | oo_collect(attribute='stat.exists') | list)

- name: Create the secret for the registry certificates
  command: >
    {{ openshift.common.client_binary }} secrets new registry-certificates
    {{ openshift_master_config_dir }}/registry.crt
    {{ openshift_master_config_dir }}/registry.key
    --config={{ openshift_hosted_kubeconfig }}
    -n default
  register: create_registry_certificates_secret
  changed_when: "'already exists' not in create_registry_certificates_secret.stderr"
  failed_when: "'already exists' not in create_registry_certificates_secret.stderr and create_registry_certificates_secret.rc != 0"

- name: "Add the secret to the registry's pod service accounts"
  command: >
    {{ openshift.common.client_binary }} secrets link {{ item }} registry-certificates
    --config={{ openshift_hosted_kubeconfig }}
    -n default
  with_items:
  - registry
  - default

- name: Determine if registry-certificates secret volume attached
  command: >
    {{ openshift.common.client_binary }} get dc/docker-registry
    --template='{{ '{{' }} range .spec.template.spec.volumes {{ '}}' }}{{ '{{' }} .secret.secretName {{ '}}' }}{{ '{{' }} end {{ '}}' }}'
    --config={{ openshift_hosted_kubeconfig }}
    -n default
  register: docker_registry_volumes
  changed_when: false
  failed_when: false

- name: Attach registry-certificates secret volume
  command: >
   {{ openshift.common.client_binary }} volume dc/docker-registry --add --type=secret
   --secret-name=registry-certificates
   -m /etc/secrets
   --config={{ openshift_hosted_kubeconfig }}
   -n default
  when: "'registry-certificates' not in docker_registry_volumes.stdout"

- name: Set registry environment variables for TLS certificate
  command: >
    {{ openshift.common.client_binary }} env dc/docker-registry
    REGISTRY_HTTP_TLS_CERTIFICATE=/etc/secrets/registry.crt
    REGISTRY_HTTP_TLS_KEY=/etc/secrets/registry.key

# These commands are on a single line to preserve patch json.
- name: Update registry liveness probe from HTTP to HTTPS
  command: "{{ openshift.common.client_binary }} patch dc/docker-registry --api-version=v1 -p '{\"spec\":{\"template\":{\"spec\":{\"containers\":[{\"name\":\"registry\",\"livenessProbe\":{\"httpGet\":{\"scheme\":\"HTTPS\"}}}]}}}}' --config={{ openshift_hosted_kubeconfig }} -n default"

- name: Update registry readiness probe from HTTP to HTTPS
  command: "{{ openshift.common.client_binary }} patch dc/docker-registry --api-version=v1 -p '{\"spec\":{\"template\":{\"spec\":{\"containers\":[{\"name\":\"registry\",\"readinessProbe\":{\"httpGet\":{\"scheme\":\"HTTPS\"}}}]}}}}' --config={{ openshift_hosted_kubeconfig }} -n default"