okd/playbooks/common/openshift-master/config.yml

---
- name: Set master facts and determine if external etcd certs need to be generated
  hosts: oo_masters_to_config
  pre_tasks:
  - name: Check for RPM generated config marker file .config_managed
    stat:
      path: /etc/origin/.config_managed
    register: rpmgenerated_config

  - name: Remove RPM generated config files if present
    file:
      path: "/etc/origin/{{ item }}"
      state: absent
    when: rpmgenerated_config.stat.exists == true and deployment_type in ['openshift-enterprise', 'atomic-enterprise']
    with_items:
    - master
    - node
    - .config_managed

  - set_fact:
      openshift_master_etcd_port: "{{ (etcd_client_port | default('2379')) if (groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config) else none }}"
      openshift_master_etcd_hosts: "{{ hostvars
                                       | oo_select_keys(groups['oo_etcd_to_config']
                                                        | default([]))
                                       | oo_collect('openshift.common.hostname')
                                       | default(none, true) }}"
  roles:
  - openshift_facts
  post_tasks:
  - openshift_facts:
      role: "{{ item.role }}"
      local_facts: "{{ item.local_facts }}"
    with_items:
      - role: common
        local_facts:
          hostname: "{{ openshift_hostname | default(None) }}"
          ip: "{{ openshift_ip | default(None) }}"
          public_hostname: "{{ openshift_public_hostname | default(None) }}"
          public_ip: "{{ openshift_public_ip | default(None) }}"
          deployment_type: "{{ openshift_deployment_type }}"
      - role: master
        local_facts:
          api_port: "{{ openshift_master_api_port | default(None) }}"
          api_url: "{{ openshift_master_api_url | default(None) }}"
          api_use_ssl: "{{ openshift_master_api_use_ssl | default(None) }}"
          public_api_url: "{{ openshift_master_public_api_url | default(None) }}"
          cluster_hostname: "{{ openshift_master_cluster_hostname | default(None) }}"
          cluster_public_hostname: "{{ openshift_master_cluster_public_hostname | default(None) }}"
          console_path: "{{ openshift_master_console_path | default(None) }}"
          console_port: "{{ openshift_master_console_port | default(None) }}"
          console_url: "{{ openshift_master_console_url | default(None) }}"
          console_use_ssl: "{{ openshift_master_console_use_ssl | default(None) }}"
          public_console_url: "{{ openshift_master_public_console_url | default(None) }}"
      - role: etcd
        local_facts: {}
        when: openshift.master.embedded_etcd | bool
  - name: Check status of external etcd certificatees
    stat:
      path: "{{ openshift.common.config_base }}/master/{{ item }}"
    with_items:
    - master.etcd-client.crt
    - master.etcd-ca.crt
    register: g_external_etcd_cert_stat_result
  - set_fact:
      etcd_client_certs_missing: "{{ g_external_etcd_cert_stat_result.results
                                    | map(attribute='stat.exists')
                                    | list | intersect([false])}}"
      etcd_cert_subdir: openshift-master-{{ openshift.common.hostname }}
      etcd_cert_config_dir: "{{ openshift.common.config_base }}/master"
      etcd_cert_prefix: master.etcd-
    when: groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config

- name: Create temp directory for syncing certs
  hosts: localhost
  connection: local
  sudo: false
  gather_facts: no
  tasks:
  - name: Create local temp directory for syncing certs
    local_action: command mktemp -d /tmp/openshift-ansible-XXXXXXX
    register: g_master_mktemp
    changed_when: False

- name: Configure etcd certificates
  hosts: oo_first_etcd
  vars:
    etcd_generated_certs_dir: /etc/etcd/generated_certs
    etcd_needing_client_certs: "{{ hostvars
                                   | oo_select_keys(groups['oo_masters_to_config'])
                                   | oo_filter_list(filter_attr='etcd_client_certs_missing') }}"
    sync_tmpdir: "{{ hostvars.localhost.g_master_mktemp.stdout }}"
  roles:
  - etcd_certificates
  post_tasks:
  - name: Create a tarball of the etcd certs
    command: >
      tar -czvf {{ etcd_generated_certs_dir }}/{{ item.etcd_cert_subdir }}.tgz
        -C {{ etcd_generated_certs_dir }}/{{ item.etcd_cert_subdir }} .
    args:
      creates: "{{ etcd_generated_certs_dir }}/{{ item.etcd_cert_subdir }}.tgz"
    with_items: etcd_needing_client_certs
  - name: Retrieve the etcd cert tarballs
    fetch:
      src: "{{ etcd_generated_certs_dir }}/{{ item.etcd_cert_subdir }}.tgz"
      dest: "{{ sync_tmpdir }}/"
      flat: yes
      fail_on_missing: yes
      validate_checksum: yes
    with_items: etcd_needing_client_certs

- name: Copy the external etcd certs to the masters
  hosts: oo_masters_to_config
  vars:
    sync_tmpdir: "{{ hostvars.localhost.g_master_mktemp.stdout }}"
  tasks:
  - name: Ensure certificate directory exists
    file:
      path: "{{ openshift.common.config_base }}/master"
      state: directory
    when: etcd_client_certs_missing is defined and etcd_client_certs_missing
  - name: Unarchive the tarball on the master
    unarchive:
      src: "{{ sync_tmpdir }}/{{ etcd_cert_subdir }}.tgz"
      dest: "{{ etcd_cert_config_dir }}"
    when: etcd_client_certs_missing is defined and etcd_client_certs_missing
  - file:
      path: "{{ etcd_cert_config_dir }}/{{ item }}"
      owner: root
      group: root
      mode: 0600
    with_items:
    - master.etcd-client.crt
    - master.etcd-client.key
    - master.etcd-ca.crt
    when: etcd_client_certs_missing is defined and etcd_client_certs_missing

- name: Determine if master certificates need to be generated
  hosts: oo_masters_to_config
  tasks:
  - set_fact:
      openshift_master_certs_no_etcd:
      - admin.crt
      - master.kubelet-client.crt
      - "{{ 'master.proxy-client.crt' if openshift.common.version_greater_than_3_1_or_1_1 else omit }}"
      - master.server.crt
      - openshift-master.crt
      - openshift-registry.crt
      - openshift-router.crt
      - etcd.server.crt
      openshift_master_certs_etcd:
      - master.etcd-client.crt

  - set_fact:
      openshift_master_certs: "{{ (openshift_master_certs_no_etcd | union(openshift_master_certs_etcd)) if (groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config) else openshift_master_certs_no_etcd }}"

  - name: Check status of master certificates
    stat:
      path: "{{ openshift.common.config_base }}/master/{{ item }}"
    with_items: openshift_master_certs
    register: g_master_cert_stat_result
  - set_fact:
      master_certs_missing: "{{ False in (g_master_cert_stat_result.results
                                | map(attribute='stat.exists')
                                | list ) }}"
      master_cert_subdir: master-{{ openshift.common.hostname }}
      master_cert_config_dir: "{{ openshift.common.config_base }}/master"

- name: Configure master certificates
  hosts: oo_first_master
  vars:
    master_generated_certs_dir: "{{ openshift.common.config_base }}/generated-configs"
    masters_needing_certs: "{{ hostvars
                               | oo_select_keys(groups['oo_masters_to_config'] | difference(groups['oo_first_master']))
                               | oo_filter_list(filter_attr='master_certs_missing') }}"
    master_hostnames: "{{ hostvars
                               | oo_select_keys(groups['oo_masters_to_config'])
                               | oo_collect('openshift.common.all_hostnames')
                               | oo_flatten | unique }}"
    sync_tmpdir: "{{ hostvars.localhost.g_master_mktemp.stdout }}"
  roles:
  - openshift_master_certificates
  post_tasks:
  - name: Remove generated etcd client certs when using external etcd
    file:
      path: "{{ master_generated_certs_dir }}/{{ item.0.master_cert_subdir }}/{{ item.1 }}"
      state: absent
    when: groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config
    with_nested:
    - masters_needing_certs
    - - master.etcd-client.crt
      - master.etcd-client.key

  - name: Create a tarball of the master certs
    command: >
      tar -czvf {{ master_generated_certs_dir }}/{{ item.master_cert_subdir }}.tgz
        -C {{ master_generated_certs_dir }}/{{ item.master_cert_subdir }} .
    args:
      creates: "{{ master_generated_certs_dir }}/{{ item.master_cert_subdir }}.tgz"
    with_items: masters_needing_certs

  - name: Retrieve the master cert tarball from the master
    fetch:
      src: "{{ master_generated_certs_dir }}/{{ item.master_cert_subdir }}.tgz"
      dest: "{{ sync_tmpdir }}/"
      flat: yes
      fail_on_missing: yes
      validate_checksum: yes
    with_items: masters_needing_certs

- name: Inspect named certificates
  hosts: oo_first_master
  tasks:
  - name: Collect certificate names
    set_fact:
      parsed_named_certificates: "{{ openshift_master_named_certificates | oo_parse_certificate_names(master_cert_config_dir, openshift.common.internal_hostnames) }}"
    when: openshift_master_named_certificates is defined

- name: Compute haproxy_backend_servers
  hosts: localhost
  connection: local
  sudo: false
  gather_facts: no
  tasks:
  - set_fact:
      haproxy_backend_servers: "{{ hostvars | oo_select_keys(groups['oo_masters_to_config']) | oo_haproxy_backend_masters }}"

- name: Configure load balancers
  hosts: oo_lb_to_config
  vars:
    sync_tmpdir: "{{ hostvars.localhost.g_master_mktemp.stdout }}"
    haproxy_frontends:
    - name: atomic-openshift-api
      mode: tcp
      options:
      - tcplog
      binds:
      - "*:{{ hostvars[groups.oo_first_master.0].openshift.master.api_port }}"
      default_backend: atomic-openshift-api
    haproxy_backends:
    - name: atomic-openshift-api
      mode: tcp
      option: tcplog
      balance: source
      servers: "{{ hostvars.localhost.haproxy_backend_servers }}"
  roles:
  - role: haproxy
    when: groups.oo_masters_to_config | length > 1

- name: Generate master session keys
  hosts: oo_first_master
  tasks:
  - fail:
      msg: "Both openshift_master_session_auth_secrets and openshift_master_session_encryption_secrets must be provided if either variable is set"
    when: (openshift_master_session_auth_secrets is defined and openshift_master_session_encryption_secrets is not defined) or (openshift_master_session_encryption_secrets is defined and openshift_master_session_auth_secrets is not defined)
  - fail:
      msg: "openshift_master_session_auth_secrets and openshift_master_encryption_secrets must be equal length"
    when: (openshift_master_session_auth_secrets is defined and openshift_master_session_encryption_secrets is defined) and (openshift_master_session_auth_secrets | length != openshift_master_session_encryption_secrets | length)
  - name: Generate session authentication key
    command: /usr/bin/openssl rand -base64 24
    register: session_auth_output
    with_sequence: count=1
    when: openshift_master_session_auth_secrets is undefined
  - name: Generate session encryption key
    command: /usr/bin/openssl rand -base64 24
    register: session_encryption_output
    with_sequence: count=1
    when: openshift_master_session_encryption_secrets is undefined
  - set_fact:
      session_auth_secret: "{{ openshift_master_session_auth_secrets
                                | default(session_auth_output.results
                                | map(attribute='stdout')
                                | list) }}"
      session_encryption_secret: "{{ openshift_master_session_encryption_secrets
                                      | default(session_encryption_output.results
                                      | map(attribute='stdout')
                                      | list) }}"

- name: Configure master instances
  hosts: oo_masters_to_config
  serial: 1
  vars:
    named_certificates: "{{ hostvars[groups['oo_first_master'][0]]['parsed_named_certificates'] | default([])}}"
    sync_tmpdir: "{{ hostvars.localhost.g_master_mktemp.stdout }}"
    openshift_master_ha: "{{ groups.oo_masters_to_config | length > 1 }}"
    openshift_master_count: "{{ groups.oo_masters_to_config | length }}"
    openshift_master_session_auth_secrets: "{{ hostvars[groups['oo_first_master'][0]]['session_auth_secret'] }}"
    openshift_master_session_encryption_secrets: "{{ hostvars[groups['oo_first_master'][0]]['session_encryption_secret'] }}"
  pre_tasks:
  - name: Ensure certificate directory exists
    file:
      path: "{{ openshift.common.config_base }}/master"
      state: directory
    when: master_certs_missing and 'oo_first_master' not in group_names
  - name: Unarchive the tarball on the master
    unarchive:
      src: "{{ sync_tmpdir }}/{{ master_cert_subdir }}.tgz"
      dest: "{{ master_cert_config_dir }}"
    when: master_certs_missing and 'oo_first_master' not in group_names
  roles:
  - openshift_master
  - role: nickhammond.logrotate
  - role: fluentd_master
    when: openshift.common.use_fluentd | bool
  post_tasks:
  - name: Create group for deployment type
    group_by: key=oo_masters_deployment_type_{{ openshift.common.deployment_type }}
    changed_when: False

- name: Additional master configuration
  hosts: oo_first_master
  vars:
    openshift_master_ha: "{{ groups.oo_masters_to_config | length > 1 }}"
    omc_cluster_hosts: "{{ groups.oo_masters_to_config | join(' ')}}"
  roles:
  - role: openshift_master_cluster
    when: openshift_master_ha | bool and openshift.master.cluster_method == "pacemaker"
  - openshift_examples
  - role: openshift_cluster_metrics
    when: openshift.common.use_cluster_metrics | bool

- name: Determine cluster dns ip
  hosts: oo_first_master
  tasks:
  - name: Get master service ip
    command: "{{ openshift.common.client_binary }} get -o template svc kubernetes --template=\\{\\{.spec.clusterIP\\}\\}"
    register: master_service_ip_output
    when: openshift.common.version_greater_than_3_1_or_1_1 | bool
  - set_fact:
      cluster_dns_ip: "{{ hostvars[groups.oo_first_master.0].openshift.dns.ip }}"
    when: not openshift.common.version_greater_than_3_1_or_1_1 | bool
  - set_fact:
      cluster_dns_ip: "{{ master_service_ip_output.stdout }}"
    when: openshift.common.version_greater_than_3_1_or_1_1 | bool

- name: Enable cockpit
  hosts: oo_first_master
  vars:
    cockpit_plugins: "{{ osm_cockpit_plugins | default(['cockpit-kubernetes']) }}"
  roles:
  - role: cockpit
    when: ( deployment_type in ['atomic-enterprise','openshift-enterprise'] ) and
      (osm_use_cockpit | bool or osm_use_cockpit is undefined )

- name: Configure flannel
  hosts: oo_first_master
  vars:
    etcd_urls: "{{ openshift.master.etcd_urls }}"
  roles:
  - role: flannel_register
    when: openshift.common.use_flannel | bool

# Additional instance config for online deployments
- name: Additional instance config
  hosts: oo_masters_deployment_type_online
  roles:
  - pods
  - os_env_extras

- name: Delete temporary directory on localhost
  hosts: localhost
  connection: local
  sudo: false
  gather_facts: no
  tasks:
  - file: name={{ g_master_mktemp.stdout }} state=absent
    changed_when: False

- name: Configure service accounts
  hosts: oo_first_master

  vars:
    accounts: ["router", "registry"]

  roles:
  - openshift_serviceaccounts

- name: Create services
  hosts: oo_first_master
  roles:
  - role: openshift_router
    when: openshift.master.infra_nodes is defined
  #- role: openshift_registry