okd/roles/openshift_hosted/tasks/router/router.yml

---
- fail:
    msg: "'certfile', 'keyfile' and 'cafile' keys must be specified when supplying the openshift_hosted_router_certificate variable."
  when: openshift_hosted_router_certificate is defined and ('certfile' not in openshift_hosted_router_certificate or 'keyfile' not in openshift_hosted_router_certificate or 'cafile' not in openshift_hosted_router_certificate)

- name: Read router certificate and key
  become: no
  local_action:
    module: slurp
    src: "{{ item }}"
  register: openshift_router_certificate_output
  # Defaulting dictionary keys to none to avoid deprecation warnings
  # (future fatal errors) during template evaluation. Dictionary keys
  # won't be accessed unless openshift_hosted_router_certificate is
  # defined and has all keys (certfile, keyfile, cafile) which we
  # check above.
  with_items:
  - "{{ (openshift_hosted_router_certificate | default({'certfile':none})).certfile }}"
  - "{{ (openshift_hosted_router_certificate | default({'keyfile':none})).keyfile }}"
  - "{{ (openshift_hosted_router_certificate | default({'cafile':none})).cafile }}"
  when: openshift_hosted_router_certificate is defined

- name: Persist certificate contents
  openshift_facts:
    role: hosted
    openshift_env:
      openshift_hosted_router_certificate_contents: "{% for certificate in openshift_router_certificate_output.results -%}{{ certificate.content | b64decode }}{% endfor -%}"
  when: openshift_hosted_router_certificate is defined

- name: Create PEM certificate
  copy:
    content: "{{ openshift.hosted.router.certificate.contents }}"
    dest: "{{ openshift_master_config_dir }}/openshift-router.pem"
    mode: 0600
  when: "'certificate' in openshift.hosted.router and 'contents' in openshift.hosted.router.certificate"

- name: Retrieve list of openshift nodes matching router selector
  command: >
    {{ openshift.common.client_binary }} --api-version='v1' -o json
    get nodes -n default --config={{ openshift_hosted_kubeconfig }}
    --selector={{ openshift.hosted.router.selector | default('') }}
  register: router_nodes_json
  changed_when: false
  when: openshift.hosted.router.replicas | default(none) is none

- set_fact:
    replicas: "{{ openshift.hosted.router.replicas | default((router_nodes_json.stdout | default('{\"items\":[]}') | from_json)['items'] | length) }}"

- name: Create OpenShift router
  command: >
    {{ openshift.common.client_binary }} adm router --create
    --config={{ openshift_hosted_kubeconfig }}
    {% if replicas > 1 -%}
    --replicas={{ replicas }}
    {% endif -%}
    {% if 'certificate' in openshift.hosted.router and 'contents' in openshift.hosted.router.certificate -%}
    --default-cert={{ openshift_master_config_dir }}/openshift-router.pem
    {% endif -%}
    --namespace={{ openshift.hosted.router.namespace | default('default') }}
    {% if openshift.hosted.router.force_subdomain | default(none) is not none %}
    --force-subdomain={{ openshift.hosted.router.force_subdomain }}
    {% endif %}
    --service-account=router
    {% if openshift.hosted.router.selector | default(none) is not none -%}
    --selector='{{ openshift.hosted.router.selector }}'
    {% endif -%}
    {% if not openshift.common.version_gte_3_2_or_1_2 | bool -%}
    --credentials={{ openshift_master_config_dir }}/openshift-router.kubeconfig
    {% endif -%}
    {% if openshift.hosted.router.registryurl | default(none) is not none -%}
    --images='{{ openshift.hosted.router.registryurl }}'
    {% endif -%}
    {% if openshift.hosted.router.name | default(none) is not none -%}
    {{ openshift.hosted.router.name }}
    {% endif -%}

  register: openshift_hosted_router_results
  changed_when: "'service exists' not in openshift_hosted_router_results.stdout"
  failed_when: "openshift_hosted_router_results.rc != 0 and 'service exists' not in openshift_hosted_router_results.stdout and 'deployment_config' not in openshift_hosted_router_results.stderr and 'service' not in openshift_hosted_router_results.stderr"
  when: replicas | int > 0

- command: >
    {{ openshift.common.client_binary }}
    {% if openshift.hosted.router.name | default(none) is not none -%}
    get dc/{{ openshift.hosted.router.name }}
    {% else %}
    get dc/router
    {% endif%}
    --template=\\{\\{.spec.replicas\\}\\} 
    --namespace={{ openshift.hosted.router.namespace | default('default') }}
  register: current_replicas
  when: replicas | int > 0

- name: Ensure router replica count matches desired
  command: >
    {{ openshift.common.client_binary }}
    scale --replicas={{ replicas }} 
    {% if openshift.hosted.router.name | default(none) is not none -%}
    dc/{{ openshift.hosted.router.name }}
    {% else %}
    dc/router
    {% endif%}
    --namespace={{ openshift.hosted.router.namespace | default('default') }}
  when: replicas | int > 0 and replicas | int != current_replicas.stdout | int