952b53089b
The idea is to factor out a role for deploying Nova related services to cells. Since all deployments use cells, this role can be used in both regular deployments which have just cell0 and cell1, and deployments with many cells. Partially Implements: blueprint support-nova-cells Change-Id: Ib1f36ec0a773c384f2c1eac1843782a3e766045a
83 lines
3.3 KiB
YAML
83 lines
3.3 KiB
YAML
---
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# We need to wait for all expected compute services to register before running
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# cells v2 host discovery. This includes virtualised compute services and
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# ironic compute services.
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# Work with --limit by including only hosts in ansible_play_batch.
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- name: Build a list of expected compute service hosts
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vars:
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# For virt, use ansible_nodename rather than inventory_hostname, since this
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# is similar to what nova uses internally as its default for the
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# [DEFAULT] host config option.
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virt_compute_service_hosts: >-
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{{ groups['compute'] |
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intersect(ansible_play_batch) |
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map('extract', hostvars, 'ansible_nodename') |
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list }}
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# For ironic, use {{ansible_hostname}}-ironic since this is what we
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# configure for [DEFAULT] host in nova.conf.
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ironic_compute_service_hosts: >-
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{{ (groups['nova-compute-ironic'] |
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intersect(ansible_play_batch) |
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map('extract', hostvars, 'ansible_hostname') |
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map('regex_replace', '^(.*)$', '\1-ironic') |
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list)
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if enable_ironic | bool else [] }}
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set_fact:
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expected_compute_service_hosts: "{{ virt_compute_service_hosts + ironic_compute_service_hosts }}"
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run_once: True
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delegate_to: "{{ groups['nova-api'][0] }}"
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- name: Waiting for nova-compute services to register themselves
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become: true
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command: >
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docker exec kolla_toolbox openstack
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--os-interface internal
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--os-auth-url {{ keystone_admin_url }}
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--os-identity-api-version 3
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--os-project-domain-name {{ openstack_auth.domain_name }}
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--os-tenant-name {{ openstack_auth.project_name }}
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--os-username {{ openstack_auth.username }}
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--os-password {{ keystone_admin_password }}
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--os-user-domain-name {{ openstack_auth.domain_name }}
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--os-region-name {{ openstack_region_name }}
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{% if openstack_cacert != '' %}--os-cacert {{ openstack_cacert }}{% endif %}
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compute service list --format json --column Host --service nova-compute
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register: nova_compute_services
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changed_when: false
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run_once: True
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delegate_to: "{{ groups['nova-api'][0] }}"
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retries: 20
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delay: 10
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until:
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- nova_compute_services is success
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# A list containing the 'Host' field of compute services that have
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# registered themselves. Don't exclude compute services that are disabled
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# since these could have been explicitly disabled by the operator. While we
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# could exclude services that are down, the nova-manage cell_v2
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# discover_hosts does not do this so let's not block on it here.
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# NOTE(mgoddard): Cannot factor this out into an intermediary variable
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# before ansible 2.8, due to
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# https://bugs.launchpad.net/kolla-ansible/+bug/1835817.
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- (nova_compute_services.stdout |
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from_json |
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map(attribute='Host') |
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list)
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is superset(expected_compute_service_hosts)
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# TODO(yoctozepto): no need to do --by-service if ironic not used
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- name: Discover nova hosts
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become: true
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command: >
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docker exec nova_api nova-manage cell_v2 discover_hosts --by-service
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changed_when: False
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run_once: True
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delegate_to: "{{ groups['nova-api'][0] }}"
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# NOTE(yoctozepto): SIGHUP is probably unnecessary
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- name: Refresh cell cache in nova scheduler
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become: true
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command: docker kill --signal HUP nova_scheduler
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changed_when: False
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when:
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- inventory_hostname in groups['nova-scheduler']
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