ansible/roles/rancher/tasks/rancher_server.yml

---
# DO NOT ADD SPACE AROUND ';'
- name: Start rancher server container
  docker_container:
    name: rancher-server
    image: "{{ rancher_server_image }}"
    command: ["sh", "-c", "/usr/sbin/update-ca-certificates;/usr/bin/entry /usr/bin/s6-svscan /service"]
    ports: 8080:8080
    state: started
    restart_policy: unless-stopped
    volumes:
      - "{{ app_data_path }}/certs:/usr/local/share/ca-certificates/extra:ro"

- name: Wait for rancher server to be ready
  uri:
    url: "{{ rancher_server_url }}/v2-beta"
  register: response
  retries: 10
  delay: 30
  until: not response.failed

- name: Create rancher kubernetes environment
  rancher_k8s_environment:
    name: "{{ app_name }}"
    descr: "Kubernetes environment for {{ app_name }}"
    server: "{{ rancher_server_url }}"
    delete_other_k8s: "{{ rancher_remove_other_env }}"
    force: "{{ rancher_redeploy_k8s_env }}"
    host_os: "{{ ansible_os_family }}"
  register: env
  retries: 10
  delay: 5
  until: env.data is defined

# There is a lack of idempotency in the previous task and so there are new api
# key-pairs created with each run.
#
# ToDo: fix idempotency of rancher role
#
# Anyway as rke will be default k8s orchestrator in Dublin, it's supposed to be
# low prio topic. The following tasks dealing with the API are ignoring this problem
# and they simply use the new created API key-pair, which is set as a fact here:
- name: Set apikey values
  set_fact:
    k8s_env_id: "{{ env.data.environment.id }}"
    key_public: "{{ env.data.apikey.public }}"
    key_private: "{{ env.data.apikey.private }}"
    rancher_agent_image: "{{ env.data.registration_tokens.image }}"
    rancher_agent_reg_url: "{{ env.data.registration_tokens.reg_url }}"

# By default disabled - when enabled this playbook cannot be run more than once.
- name: Setup rancher admin password and enable authentication
  rancher1_api:
    server: "{{ rancher_server_url }}"
    account_key: "{{ key_public }}:{{ key_private }}"
    mode: access_control
    data:
      account_id: 1a1  # default rancher admin account
      password: "{{ rancher.admin_password }}"
  when: "rancher.auth_enabled is defined and rancher.auth_enabled"

- name: Configure the size of the rancher cattle db and logs
  block:
    - name: Main tables
      rancher1_api:
        server: "{{ rancher_server_url }}"
        account_key: "{{ key_public }}:{{ key_private }}"
        mode: settings
        data:
          option: main_tables.purge.after.seconds
          value: "{{ rancher.main_tables_purge_after_seconds }}"
    - name: Events
      rancher1_api:
        server: "{{ rancher_server_url }}"
        account_key: "{{ key_public }}:{{ key_private }}"
        mode: settings
        data:
          option: events.purge.after.seconds
          value: "{{ rancher.events_purge_after_seconds }}"
    - name: Service log
      rancher1_api:
        server: "{{ rancher_server_url }}"
        account_key: "{{ key_public }}:{{ key_private }}"
        mode: settings
        data:
          option: service_log.purge.after.seconds
          value: "{{ rancher.service_log_purge_after_seconds }}"
    - name: Audit log
      rancher1_api:
        server: "{{ rancher_server_url }}"
        account_key: "{{ key_public }}:{{ key_private }}"
        mode: settings
        data:
          option: audit_log.purge.after.seconds
          value: "{{ rancher.audit_log_purge_after_seconds }}"

- name: Ensure .kube directory exists
  file:
    path: "{{ kube_directory }}"
    state: directory

- name: Create kube config
  template:
    src: kube_config.j2
    dest: "{{ kube_directory }}/config"