openstack-ansible/playbooks/os-nova-install.yml

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YAML

---
# Copyright 2014, Rackspace US, 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: Install nova-conductor services
import_playbook: common-playbooks/nova.yml
vars:
nova_hosts: "nova_conductor:nova_scheduler:nova_api_os_compute:nova_api_metadata:nova_console"
nova_serial: "{{ nova_conductor_serial | default(['1', '100%']) }}"
- name: Install nova compute
import_playbook: common-playbooks/nova.yml
vars:
nova_hosts: "nova_compute:!nova_conductor:!nova_scheduler:!nova_api_os_compute:!nova_api_metadata:!nova_console"
nova_serial: "{{ nova_compute_serial | default('100%') }}"
# These facts are set against the deployment host to ensure that
# they are fast to access. This is done in preference to setting
# them against each target as the hostvars extraction will take
# a long time if executed against a large inventory.
- name: Refresh local facts after all software changes are made
hosts: nova_all
gather_facts: no
user: root
environment: "{{ deployment_environment_variables | default({}) }}"
vars_files:
- "defaults/{{ install_method }}_install.yml"
tags:
- nova
tasks:
- name: refresh local facts
setup:
filter: ansible_local
gather_subset: "!all"
# This variable contains the values of the local fact set for the cinder
# venv tag for all hosts in the 'cinder_all' host group.
- name: Gather software version list
set_fact:
nova_all_software_versions: "{{ (groups['nova_all'] | map('extract', hostvars, ['ansible_local', 'openstack_ansible', 'nova', 'venv_tag'])) | list }}"
delegate_to: localhost
run_once: yes
# This variable outputs a boolean value which is True when
# nova_all_software_versions contains a list of defined
# values. If they are not defined, it means that not all
# hosts have their software deployed yet.
- name: Set software deployed fact
set_fact:
nova_all_software_deployed: "{{ (nova_all_software_versions | select('defined')) | list == nova_all_software_versions }}"
delegate_to: localhost
run_once: yes
# This variable outputs a boolean when all the values in
# nova_all_software_versions are the same and the software
# has been deployed to all hosts in the group.
- name: Set software updated fact
set_fact:
nova_all_software_updated: "{{ ((nova_all_software_versions | unique) | length == 1) and (nova_all_software_deployed | bool) }}"
delegate_to: localhost
run_once: yes
# Note that the console services do not understand how to reload, so they fail
# when you try to make them do so. We therefore restart them instead.
- name: Reload all nova services which support a reload to ensure new RPC object version is used
hosts: "nova_all:!nova_console"
gather_facts: no
serial: "{{ nova_serial | default('100%') }}"
user: root
environment: "{{ deployment_environment_variables | default({}) }}"
vars_files:
- "defaults/{{ install_method }}_install.yml"
tags:
- nova
tasks:
- name: Execute nova service reload
import_tasks: common-tasks/restart-service.yml
vars:
service_name: "nova"
# NOTE(mnaser): There is a bug in oslo.service which actually restarts
# the entire service instead of resetting it, but it
# leaves Nova in a broken state. This should be moved
# to "reloaded" once it's resolved.
#
# https://bugs.launchpad.net/openstack-ansible/+bug/1715374
#
service_action: "restarted"
service_negate: "{{ ['nova-novncproxy.service', 'nova-spicehtml5proxy.service' ] + nova_service_negate | default([]) }}"
when:
- "nova_all_software_updated | bool"
- "ansible_local['openstack_ansible']['nova']['need_service_restart'] | bool"
# Note that the console services do not understand how to reload, so they fail
# when you try to make them do so. We therefore restart them instead.
- name: Restart the remaining nova services to ensure new RPC object version is used
hosts: "nova_console"
gather_facts: no
serial: "{{ nova_api_serial | default(['1', '100%']) }}"
user: root
environment: "{{ deployment_environment_variables | default({}) }}"
vars_files:
- "defaults/{{ install_method }}_install.yml"
tags:
- nova
tasks:
- name: Execute nova service restart
import_tasks: common-tasks/restart-service.yml
vars:
service_name: "nova"
service_action: "restarted"
service_fact: "nova"
when:
- "nova_all_software_updated | bool"
- "ansible_local['openstack_ansible']['nova']['need_service_restart'] | bool"
- name: Perform online database migrations
hosts: nova_conductor
gather_facts: no
user: root
environment: "{{ deployment_environment_variables | default({}) }}"
vars_files:
- "defaults/{{ install_method }}_install.yml"
tags:
- nova
tasks:
- name: Perform online data migrations
command: "{{ nova_bin }}/nova-manage db online_data_migrations"
become: yes
become_user: "{{ nova_system_user_name | default('nova') }}"
when:
- "nova_all_software_updated | bool"
- "ansible_local['openstack_ansible']['nova']['need_online_data_migrations'] | bool"
changed_when: false
run_once: yes
register: data_migrations
- name: Disable the online migrations requirement
ini_file:
dest: "/etc/ansible/facts.d/openstack_ansible.fact"
section: nova
option: need_online_data_migrations
value: False
when:
- data_migrations is succeeded