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path: root/playbooks/common/openshift-node/config.yml
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---
- name: Gather and set facts for node hosts
  hosts: oo_nodes_to_config
  roles:
  - openshift_facts
  tasks:
  # Since the master is generating the node certificates before they are
  # configured, we need to make sure to set the node properties beforehand if
  # we do not want the defaults
  - openshift_facts:
      role: "{{ item.role }}"
      local_facts: "{{ item.local_facts }}"
    with_items:
      - role: common
        local_facts:
          hostname: "{{ openshift_hostname | default(None) }}"
          public_hostname: "{{ openshift_public_hostname | default(None) }}"
          deployment_type: "{{ openshift_deployment_type }}"
          use_flannel: "{{ openshift_use_flannel | default(None) }}"
      - role: node
        local_facts:
          labels: "{{ openshift_node_labels | default(None) }}"
          annotations: "{{ openshift_node_annotations | default(None) }}"
          schedulable: "{{ openshift_schedulable | default(openshift_scheduleable) | default(None) }}"
  - name: Check status of node certificates
    stat:
      path: "{{ openshift.common.config_base }}/node/{{ item }}"
    with_items:
    - "system:node:{{ openshift.common.hostname }}.crt"
    - "system:node:{{ openshift.common.hostname }}.key"
    - "system:node:{{ openshift.common.hostname }}.kubeconfig"
    - ca.crt
    - server.key
    - server.crt
    register: stat_result
  - set_fact:
      certs_missing: "{{ stat_result.results | oo_collect(attribute='stat.exists')
                         | list | intersect([false])}}"
      node_subdir: node-{{ openshift.common.hostname }}
      config_dir: "{{ openshift.common.config_base }}/generated-configs/node-{{ openshift.common.hostname }}"
      node_cert_dir: "{{ openshift.common.config_base }}/node"
  - name: Check status of flannel external etcd certificates
    stat:
      path: "{{ openshift.common.config_base }}/node/{{ item }}"
    with_items:
    - node.etcd-client.crt
    - node.etcd-ca.crt
    register: g_external_etcd_flannel_cert_stat_result
    when: groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config and (openshift.common.use_flannel | bool)
  - set_fact:
      etcd_client_flannel_certs_missing: "{{ g_external_etcd_flannel_cert_stat_result.results
                                             | oo_collect(attribute='stat.exists')
                                             | list | intersect([false])}}"
      etcd_cert_subdir: openshift-node-{{ openshift.common.hostname }}
      etcd_cert_config_dir: "{{ openshift.common.config_base }}/node"
      etcd_cert_prefix: node.etcd-
    when: groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config and (openshift.common.use_flannel | bool)

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

- name: Configure flannel etcd certificates
  hosts: oo_first_etcd
  vars:
    etcd_generated_certs_dir: /etc/etcd/generated_certs
    sync_tmpdir: "{{ hostvars.localhost.mktemp.stdout }}"
  pre_tasks:
  - set_fact:
      etcd_needing_client_certs: "{{ hostvars
                                   | oo_select_keys(groups['oo_nodes_to_config'])
                                   | oo_filter_list(filter_attr='etcd_client_flannel_certs_missing') | default([]) }}"
    when: etcd_client_flannel_certs_missing is defined and etcd_client_flannel_certs_missing
  roles:
  - role: etcd_certificates
  post_tasks:
  - name: Create a tarball of the etcd flannel 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
    when: etcd_client_flannel_certs_missing is defined and etcd_client_flannel_certs_missing
  - 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
    when: etcd_client_flannel_certs_missing is defined and etcd_client_flannel_certs_missing

- name: Copy the external etcd flannel certs to the nodes
  hosts: oo_nodes_to_config
  vars:
    sync_tmpdir: "{{ hostvars.localhost.mktemp.stdout }}"
  tasks:
  - name: Ensure certificate directory exists
    file:
      path: "{{ openshift.common.config_base }}/node"
      state: directory
    when: etcd_client_flannel_certs_missing is defined and etcd_client_flannel_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_flannel_certs_missing is defined and etcd_client_flannel_certs_missing
  - file:
      path: "{{ etcd_cert_config_dir }}/{{ item }}"
      owner: root
      group: root
      mode: 0600
    with_items:
    - node.etcd-client.crt
    - node.etcd-client.key
    - node.etcd-ca.crt
    when: etcd_client_flannel_certs_missing is defined and etcd_client_flannel_certs_missing

- name: Create node certificates
  hosts: oo_first_master
  vars:
    nodes_needing_certs: "{{ hostvars
                             | oo_select_keys(groups['oo_nodes_to_config']
                                              | default([]))
                             | oo_filter_list(filter_attr='certs_missing') }}"
    sync_tmpdir: "{{ hostvars.localhost.mktemp.stdout }}"
  roles:
  - openshift_node_certificates
  post_tasks:
  - name: Create a tarball of the node config directories
    command: >
      tar -czvf {{ item.config_dir }}.tgz
        --transform 's|system:{{ item.node_subdir }}|node|'
        -C {{ item.config_dir }} .
    args:
      creates: "{{ item.config_dir }}.tgz"
    with_items: nodes_needing_certs

  - name: Retrieve the node config tarballs from the master
    fetch:
      src: "{{ item.config_dir }}.tgz"
      dest: "{{ sync_tmpdir }}/"
      flat: yes
      fail_on_missing: yes
      validate_checksum: yes
    with_items: nodes_needing_certs

- name: Configure node instances
  hosts: oo_nodes_to_config
  vars:
    sync_tmpdir: "{{ hostvars.localhost.mktemp.stdout }}"
    openshift_node_master_api_url: "{{ hostvars[groups.oo_first_master.0].openshift.master.api_url }}"
    # TODO: Prefix flannel role variables.
    etcd_urls: "{{ hostvars[groups.oo_first_master.0].openshift.master.etcd_urls }}"
    embedded_etcd: "{{ hostvars[groups.oo_first_master.0].openshift.master.embedded_etcd }}"
    openshift_node_first_master_ip: "{{ hostvars[groups.oo_first_master.0].openshift.common.ip }}"
  pre_tasks:
  - name: Ensure certificate directory exists
    file:
      path: "{{ node_cert_dir }}"
      state: directory

  # TODO: notify restart node
  # possibly test service started time against certificate/config file
  # timestamps in node to trigger notify
  - name: Unarchive the tarball on the node
    unarchive:
      src: "{{ sync_tmpdir }}/{{ node_subdir }}.tgz"
      dest: "{{ node_cert_dir }}"
    when: certs_missing
  roles:
  - openshift_node
  - role: flannel
    when: openshift.common.use_flannel | bool
  - role: nickhammond.logrotate
    when: not openshift.common.is_containerized | bool
  - role: fluentd_node
    when: openshift.common.use_fluentd | bool
  tasks:
  - name: Create group for deployment type
    group_by: key=oo_nodes_deployment_type_{{ openshift.common.deployment_type }}
    changed_when: False

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

# Additional config for online type deployments
- name: Additional instance config
  hosts: oo_nodes_deployment_type_online
  gather_facts: no
  roles:
  - os_env_extras
  - os_env_extras_node

- name: Set schedulability
  hosts: oo_first_master
  vars:
    openshift_nodes: "{{ hostvars
                         | oo_select_keys(groups['oo_nodes_to_config'])
                         | oo_collect('openshift.common.hostname') }}"
    openshift_node_vars: "{{ hostvars | oo_select_keys(groups['oo_nodes_to_config']) }}"
  pre_tasks:
  # Necessary because when you're on a node that's also a master the master will be
  # restarted after the node restarts docker and it will take up to 60 seconds for
  # systemd to start the master again
  - name: Wait for master to become available before proceeding
    wait_for:
      host: "{{ hostvars[groups.oo_first_master.0].openshift.common.ip }}"
      port: "{{ hostvars[groups.oo_first_master.0].openshift.master.api_port }}"
      state: started
      timeout: 180
    when: openshift.common.is_containerized | bool
  roles:
  - openshift_manage_node