kolla-ansible/ansible/roles/nova/tasks/config.yml

---
- name: Setting sysctl values
  become: true
  sysctl: name={{ item.name }} value={{ item.value }} sysctl_set=yes
  with_items:
    - { name: "net.bridge.bridge-nf-call-iptables", value: 1}
    - { name: "net.bridge.bridge-nf-call-ip6tables", value: 1}
    - { name: "net.ipv4.conf.all.rp_filter", value: "{{ nova_compute_host_rp_filter_mode }}"}
    - { name: "net.ipv4.conf.default.rp_filter", value: "{{ nova_compute_host_rp_filter_mode }}"}
  when:
    - set_sysctl | bool
    - inventory_hostname in groups['compute']

- name: Ensuring config directories exist
  become: true
  file:
    path: "{{ node_config_directory }}/{{ item.key }}"
    state: "directory"
    owner: "{{ config_owner_user }}"
    group: "{{ config_owner_group }}"
    mode: "0770"
  when:
    - inventory_hostname in groups[item.value.group]
    - item.value.enabled | bool
  with_dict: "{{ nova_services }}"

- include_tasks: ceph.yml
  when:
    - enable_ceph | bool and nova_backend == "rbd"
    - inventory_hostname in groups['ceph-mon'] or
        inventory_hostname in groups['compute'] or
        inventory_hostname in groups['nova-api'] or
        inventory_hostname in groups['nova-conductor'] or
        inventory_hostname in groups['nova-consoleauth'] or
        inventory_hostname in groups['nova-novncproxy'] or
        inventory_hostname in groups['nova-scheduler']

- include_tasks: external_ceph.yml
  when:
    - not enable_ceph | bool and (nova_backend == "rbd" or cinder_backend_ceph | bool)
    - inventory_hostname in groups['compute']

- name: Check if policies shall be overwritten
  local_action: stat path="{{ item }}"
  run_once: True
  register: nova_policy
  with_first_found:
    - files: "{{ supported_policy_format_list }}"
      paths:
        - "{{ node_custom_config }}/nova/"
      skip: true

- name: Set nova policy file
  set_fact:
    nova_policy_file: "{{ nova_policy.results.0.stat.path | basename }}"
    nova_policy_file_path: "{{ nova_policy.results.0.stat.path }}"
  when:
    - nova_policy.results

- name: Copying over config.json files for services
  become: true
  template:
    src: "{{ item.key }}.json.j2"
    dest: "{{ node_config_directory }}/{{ item.key }}/config.json"
    mode: "0770"
  register: config_jsons
  when:
    - inventory_hostname in groups[item.value.group]
    - item.value.enabled | bool
  with_dict: "{{ nova_services }}"
  notify:
    - "Restart {{ item.key }} container"

- name: Set XenAPI facts
  set_fact:
    xenapi_facts: "{{ lookup('file', xenapi_facts_root + '/' + inventory_hostname + '/' + xenapi_facts_file) | from_json }}"
  when:
    - nova_compute_virt_type == 'xenapi'
    - inventory_hostname in groups['compute']

- name: Copying over nova.conf
  become: true
  vars:
    services_require_nova_conf:
      - placement-api
      - nova-api
      - nova-compute
      - nova-compute-ironic
      - nova-conductor
      - nova-consoleauth
      - nova-novncproxy
      - nova-serialproxy
      - nova-scheduler
      - nova-spicehtml5proxy
    service_name: "{{ item.key }}"
  merge_configs:
    sources:
      - "{{ role_path }}/templates/nova.conf.j2"
      - "{{ node_custom_config }}/global.conf"
      - "{{ node_custom_config }}/nova.conf"
      - "{{ node_custom_config }}/nova/{{ item.key }}.conf"
      - "{{ node_custom_config }}/nova/{{ inventory_hostname }}/nova.conf"
    dest: "{{ node_config_directory }}/{{ item.key }}/nova.conf"
    mode: "0660"
  register: nova_confs
  when:
    - inventory_hostname in groups[item.value.group]
    - item.value.enabled | bool
    - item.key in services_require_nova_conf
  with_dict: "{{ nova_services }}"
  notify:
    - "Restart {{ item.key }} container"

- name: Copying over libvirt configuration
  become: true
  vars:
    service: "{{ nova_services['nova-libvirt'] }}"
  template:
    src: "{{ item.src }}"
    dest: "{{ node_config_directory }}/nova-libvirt/{{ item.dest }}"
    mode: "0660"
  register: nova_libvirt_confs
  when:
    - inventory_hostname in groups[service.group]
    - service.enabled | bool
  with_items:
    - { src: "qemu.conf.j2", dest: "qemu.conf" }
    - { src: "libvirtd.conf.j2", dest: "libvirtd.conf" }
  notify:
    - Restart nova-libvirt container

- name: Copying over placement-api wsgi configuration
  become: true
  vars:
    service: "{{ nova_services['placement-api'] }}"
  template:
    src: "placement-api-wsgi.conf.j2"
    dest: "{{ node_config_directory }}/placement-api/placement-api-wsgi.conf"
  register: placement_api_wsgi_conf
  when:
    - inventory_hostname in groups[service.group]
    - service.enabled | bool
  notify:
    - Restart placement-api container

- name: Copying files for nova-ssh
  become: true
  vars:
    service: "{{ nova_services['nova-ssh'] }}"
  template:
    src: "{{ item.src }}"
    dest: "{{ node_config_directory }}/nova-ssh/{{ item.dest }}"
    mode: "0660"
  register: nova_ssh_confs
  when:
    - inventory_hostname in groups[service.group]
    - service.enabled | bool
  with_items:
    - { src: "sshd_config.j2", dest: "sshd_config" }
    - { src: "id_rsa", dest: "id_rsa" }
    - { src: "id_rsa.pub", dest: "id_rsa.pub" }
    - { src: "ssh_config.j2", dest: "ssh_config" }
  notify:
    - Restart nova-ssh container

- name: Copying VMware vCenter CA file
  vars:
    service: "{{ nova_services['nova-compute'] }}"
  copy:
    src: "{{ node_custom_config }}/vmware_ca"
    dest: "{{ node_config_directory }}/nova-compute/vmware_ca"
  register: vcenter_ca_file
  when:
    - nova_compute_virt_type == "vmware"
    - not vmware_vcenter_insecure | bool
    - inventory_hostname in groups[service.group]
    - service.enabled | bool
  notify:
    - Restart nova-compute container

- name: Copying over existing policy file
  become: true
  vars:
    services_require_policy_json:
      - placement-api
      - nova-api
      - nova-compute
      - nova-compute-ironic
      - nova-conductor
      - nova-consoleauth
      - nova-novncproxy
      - nova-serialproxy
      - nova-scheduler
      - nova-spicehtml5proxy
  template:
    src: "{{ nova_policy_file_path }}"
    dest: "{{ node_config_directory }}/{{ item.key }}/{{ nova_policy_file }}"
  register: nova_policy_overwriting
  when:
    - inventory_hostname in groups[item.value.group]
    - item.value.enabled | bool
    - nova_policy_file is defined
    - item.key in services_require_policy_json
  with_dict: "{{ nova_services }}"
  notify:
    - "Restart {{ item.key }} container"

# check whether the containers parameter is changed. If yes, trigger the handler
- name: Check nova containers
  become: true
  kolla_docker:
    action: "compare_container"
    common_options: "{{ docker_common_options }}"
    name: "{{ item.value.container_name }}"
    image: "{{ item.value.image }}"
    environment: "{{ item.value.environment|default(omit) }}"
    pid_mode: "{{ item.value.pid_mode|default('') }}"
    ipc_mode: "{{ item.value.ipc_mode|default(omit) }}"
    privileged: "{{ item.value.privileged|default(False) }}"
    volumes: "{{ item.value.volumes|reject('equalto', '')|list }}"
    dimensions: "{{ item.value.dimensions }}"
  register: check_nova_containers
  when:
    - kolla_action != "config"
    - inventory_hostname in groups[item.value.group]
    - item.value.enabled | bool
  with_dict: "{{ nova_services }}"
  notify:
    - "Restart {{ item.key }} container"