roles/nova/tasks/migrate_from_osa.yml

# Copyright (c) 2023 VEXXHOST, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

- name: Generate public key for SSH private key
  ansible.builtin.import_tasks:
    file: generate_public_key.yml

- name: Generate configuration difference
  ansible.builtin.include_role:
    name: osa_config_diff
  vars:
    osa_config_diff_containers_group: nova_conductor
    osa_config_diff_chart_ref: "{{ nova_helm_chart_ref }}"
    osa_config_diff_release_namespace: "{{ nova_helm_release_namespace }}"
    osa_config_diff_release_values: "{{ _nova_helm_values | combine(nova_helm_values, recursive=True) }}"
    osa_config_diff_config_files:
      nova.conf: /etc/nova/nova.conf

- name: Migrate the databases
  ansible.builtin.include_role:
    name: migrate_db_from_osa
  vars:
    migrate_db_from_osa_pxc_namespace: "{{ nova_helm_release_namespace }}"
    migrate_db_from_osa_containers_group: nova_conductor
    migrate_db_from_osa_databases:
      nova: nova
      nova_api: nova_api
      nova_cell0: nova_cell0

- name: Get the Kuberentes service for Percona XtraDB Cluster
  run_once: true
  kubernetes.core.k8s_info:
    kind: Service
    name: "{{ openstack_helm_endpoints.oslo_db.hosts.default }}"
    namespace: "{{ nova_helm_release_namespace }}"
  register: _nova_pxc_service

- name: Update cell mappings
  run_once: true
  delegate_to: "{{ groups['galera_all'][0] }}"
  community.mysql.mysql_query:
    login_host: "{{ _nova_pxc_service.resources[0].spec.clusterIP }}"
    login_user: root
    login_password: "{{ openstack_helm_endpoints.oslo_db.auth.admin.password }}"
    login_db: nova_api
    query: UPDATE cell_mappings SET transport_url = %(transport_url)s, database_connection = %(database_connection)s WHERE name = %(name)s
    named_args: "{{ item }}"
  loop:
    - name: cell0
      transport_url: none:/
      database_connection: "mysql+pymysql://nova:{{ openstack_helm_endpoints.oslo_db_cell0.auth.nova.password }}@percona-xtradb-haproxy.openstack.svc.cluster.local:3306/nova_cell0" # noqa yaml[line-length]
    - name: cell1
      transport_url: "rabbit://nova:{{ openstack_helm_endpoints.oslo_messaging.auth.nova.password }}@rabbitmq-nova.openstack.svc.cluster.local:5672/nova"
      database_connection: "mysql+pymysql://nova:{{ openstack_helm_endpoints.oslo_db.auth.nova.password }}@percona-xtradb-haproxy.openstack.svc.cluster.local:3306/nova"  # noqa yaml[line-length]
  loop_control:
    label: "{{ item.name }}"

- name: Run deployment flow
  ansible.builtin.import_tasks:
    file: main.yml

- name: Get the Kuberentes service for RabbitMQ
  run_once: true
  kubernetes.core.k8s_info:
    kind: Service
    name: "{{ openstack_helm_endpoints.oslo_messaging.hosts.default }}"
    namespace: "{{ nova_helm_release_namespace }}"
  register: _nova_rabbitmq_service

- name: Update RabbitMQ configuration for compute nodes
  delegate_to: "{{ item.0 }}"
  community.general.ini_file:
    path: /etc/nova/nova.conf
    section: "{{ item.1.section }}"
    option: "{{ item.1.option }}"
    value: "{{ item.1.value }}"
    mode: "0644"
  with_nested:
    - "{{ groups['nova_compute'] }}"
    - - section: DEFAULT
        option: transport_url
        value: "rabbit://nova:{{ openstack_helm_endpoints.oslo_messaging.auth.nova.password }}@{{ cluster_ip }}:5672/nova"
      - section: oslo_messaging_notifications
        option: transport_url
        value: "rabbit://nova:{{ openstack_helm_endpoints.oslo_messaging.auth.nova.password }}@{{ cluster_ip }}:5672/nova"
      - section: oslo_messaging_rabbit
        option: ssl
        value: false
  vars:
    cluster_ip: "{{ _nova_rabbitmq_service.resources[0].spec.clusterIP }}"

- name: Restart all compute services
  delegate_to: "{{ item }}"
  ansible.builtin.service:
    name: nova-compute
    state: restarted
  with_items: "{{ groups['nova_compute'] }}"

- name: Migrate HAproxy (API)
  ansible.builtin.include_role:
    name: migrate_haproxy_from_osa
  vars:
    migrate_haproxy_from_osa_group: nova_conductor
    migrate_haproxy_from_osa_service_namespace: "{{ nova_helm_release_namespace }}"
    migrate_haproxy_from_osa_service_name: nova-api
    migrate_haproxy_from_osa_haproxy_backend: nova_api_os_compute

- name: Migrate HAproxy (Metadata)
  ansible.builtin.include_role:
    name: migrate_haproxy_from_osa
  vars:
    migrate_haproxy_from_osa_group: nova_conductor
    migrate_haproxy_from_osa_service_namespace: "{{ nova_helm_release_namespace }}"
    migrate_haproxy_from_osa_service_name: nova-metadata
    migrate_haproxy_from_osa_haproxy_backend: nova_api_metadata

- name: Migrate HAproxy (VNC)
  ansible.builtin.include_role:
    name: migrate_haproxy_from_osa
  vars:
    migrate_haproxy_from_osa_group: nova_conductor
    migrate_haproxy_from_osa_service_namespace: "{{ nova_helm_release_namespace }}"
    migrate_haproxy_from_osa_service_name: nova-novncproxy
    migrate_haproxy_from_osa_haproxy_backend: nova_console