303 lines
7.8 KiB
YAML
303 lines
7.8 KiB
YAML
---
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# This playbook is for nova services. Due to support for deployment of cells,
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# nova is separated into two roles - nova and nova-cell. This makes it more
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# complicated than other services, as we may execute each role several times
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# for a given operation.
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#
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# The nova role now deploys the global services:
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#
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# * nova-api
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# * nova-scheduler
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# * nova-super-conductor (if enable_cells is true)
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#
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# The nova-cell role handles services specific to a cell:
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#
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# * nova-compute
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# * nova-compute-ironic
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# * nova-conductor
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# * nova-libvirt
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# * nova-novncproxy
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# * nova-serialproxy
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# * nova-spicehtml5proxy
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# * nova-ssh
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# We need to perform database bootstrapping before deploying or upgrading any
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# containers, to ensure all database schema migrations have been performed,
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# both in the API and cell databases. Note that this should not be disruptive
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# to the Nova services, which will continue to run against the new schema.
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- name: Bootstrap nova API databases
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gather_facts: false
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hosts:
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- nova-api
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- '&enable_nova_True'
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tags:
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- nova
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- nova-bootstrap
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- nova-api
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- nova-api-bootstrap
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serial: '{{ kolla_serial|default("0") }}'
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max_fail_percentage: >-
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{{ nova_max_fail_percentage |
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default(kolla_max_fail_percentage) |
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default(100) }}
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tasks:
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# * Create nova API & cell0 DBs & users
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# * API DB schema migrations
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# * Map cell0
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# * Cell0 DB schema migrations
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- name: Bootstrap deploy
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include_role:
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name: nova
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tasks_from: bootstrap
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when:
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- enable_nova | bool
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- kolla_action in ['deploy', 'reconfigure']
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# * API DB schema migrations
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# * Cell0 DB schema migrations
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- name: Bootstrap upgrade
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include_role:
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name: nova
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tasks_from: bootstrap_upgrade
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when:
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- enable_nova | bool
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- kolla_action == 'upgrade'
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- name: Bootstrap nova cell databases
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gather_facts: false
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hosts:
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- nova-conductor
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- '&enable_nova_True'
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tags:
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- nova
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- nova-bootstrap
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- nova-cell
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- nova-cell-bootstrap
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serial: '{{ kolla_serial|default("0") }}'
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# Fail all hosts if any of these once-per-cell tasks fails.
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any_errors_fatal: true
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tasks:
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# * Create nova cell DBs & users
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# * Create RabbitMQ vhost & user
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# * Cell DB schema migrations
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# * Create cell mappings
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- name: Bootstrap deploy
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include_role:
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name: nova-cell
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tasks_from: bootstrap
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when:
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- enable_nova | bool
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- kolla_action in ['deploy', 'reconfigure']
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# * Cell DB schema migrations
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- name: Bootstrap upgrade
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include_role:
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name: nova-cell
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tasks_from: bootstrap_upgrade
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when:
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- enable_nova | bool
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- kolla_action == 'upgrade'
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# Standard {{ kolla_action }}.yml for nova role.
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- name: Apply role nova
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gather_facts: false
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hosts:
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- nova-api
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- nova-scheduler
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- nova-super-conductor
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- '&enable_nova_True'
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tags:
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- nova
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- nova-api
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- nova-api-deploy
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- nova-api-upgrade
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serial: '{{ kolla_serial|default("0") }}'
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max_fail_percentage: >-
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{{ nova_max_fail_percentage |
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default(kolla_max_fail_percentage) |
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default(100) }}
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roles:
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- role: nova
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when: enable_nova | bool
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# Standard {{ kolla_action }}.yml for nova-cell role.
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- name: Apply role nova-cell
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gather_facts: false
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hosts:
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- compute
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- nova-compute-ironic
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- nova-conductor
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- nova-novncproxy
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- nova-serialproxy
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- nova-spicehtml5proxy
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- '&enable_nova_True'
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tags:
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- nova
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- nova-cell
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- nova-cell-deploy
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- nova-cell-upgrade
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serial: '{{ kolla_serial|default("0") }}'
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max_fail_percentage: >-
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{{ nova_cell_max_fail_percentage |
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default(kolla_max_fail_percentage) |
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default(100) }}
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roles:
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- role: nova-cell
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when: enable_nova | bool
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# Reload nova scheduler to pick up new cells.
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# TODO(mgoddard): Ideally we'd only do this when one or more cells have been
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# created or updated.
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- name: Refresh nova scheduler cell cache
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gather_facts: false
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hosts:
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- nova-scheduler
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- '&enable_nova_True'
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tags:
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- nova
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- nova-api
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- nova-refresh-scheduler-cell-cache
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serial: '{{ kolla_serial|default("0") }}'
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max_fail_percentage: >-
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{{ nova_max_fail_percentage |
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default(kolla_max_fail_percentage) |
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default(100) }}
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tasks:
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- import_role:
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name: nova
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tasks_from: refresh_scheduler_cell_cache
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when:
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- enable_nova | bool
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- kolla_action in ['deploy', 'reconfigure']
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# Following an upgrade, Nova services must be restarted once all compute
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# services have registered themselves, to remove the RPC version pin.
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# Also, when nova_safety_upgrade is true, this starts services which were
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# stopped during the upgrade. Nova upgrade documentation recommends starting
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# conductors first and API last.
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- name: Reload global Nova super conductor services
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gather_facts: false
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hosts:
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- nova-super-conductor
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- '&enable_nova_True'
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tags:
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- nova
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- nova-reload
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- nova-api
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- nova-api-reload
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serial: '{{ kolla_serial|default("0") }}'
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max_fail_percentage: >-
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{{ nova_max_fail_percentage |
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default(kolla_max_fail_percentage) |
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default(100) }}
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tasks:
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- import_role:
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name: nova
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tasks_from: reload_super_conductor
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when:
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- enable_nova | bool
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- kolla_action == 'upgrade'
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- name: Reload Nova cell services
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gather_facts: false
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hosts:
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- compute
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- nova-compute-ironic
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- nova-conductor
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- nova-novncproxy
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- nova-serialproxy
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- nova-spicehtml5proxy
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- '&enable_nova_True'
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tags:
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- nova
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- nova-reload
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- nova-cell
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- nova-cell-reload
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serial: '{{ kolla_serial|default("0") }}'
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max_fail_percentage: >-
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{{ nova_cell_max_fail_percentage |
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default(kolla_max_fail_percentage) |
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default(100) }}
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tasks:
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- import_role:
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name: nova-cell
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tasks_from: reload
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when:
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- enable_nova | bool
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- kolla_action == 'upgrade'
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- name: Reload global Nova API services
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gather_facts: false
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hosts:
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- nova-api
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- nova-scheduler
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- '&enable_nova_True'
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tags:
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- nova
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- nova-reload
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- nova-api
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- nova-api-reload
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serial: '{{ kolla_serial|default("0") }}'
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max_fail_percentage: >-
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{{ nova_max_fail_percentage |
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default(kolla_max_fail_percentage) |
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default(100) }}
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tasks:
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- import_role:
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name: nova
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tasks_from: reload_api
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when:
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- enable_nova | bool
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- kolla_action == 'upgrade'
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# Following an upgrade, data migrations should be performed for the API
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# database. This should be done once all cells have been upgraded.
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- name: Run Nova API online data migrations
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gather_facts: false
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hosts:
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- nova-api
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- '&enable_nova_True'
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tags:
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- nova
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- nova-api
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- nova-online-data-migrations
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- nova-api-online-data-migrations
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serial: '{{ kolla_serial|default("0") }}'
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# Fail all hosts if any of these once-per-cell tasks fails.
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any_errors_fatal: true
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tasks:
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- import_role:
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name: nova
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tasks_from: online_data_migrations
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when:
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- enable_nova | bool
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- kolla_action == 'upgrade'
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# Following an upgrade, data migrations should be performed for each cell
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# database. This should be done once all hosts in the cell have been upgraded,
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# and ideally once all hosts in the cloud have been upgraded.
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- name: Run Nova cell online data migrations
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gather_facts: false
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hosts:
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- nova-conductor
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- '&enable_nova_True'
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tags:
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- nova
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- nova-cell
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- nova-online-data-migrations
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- nova-cell-online-data-migrations
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serial: '{{ kolla_serial|default("0") }}'
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# Fail all hosts if any of these once-per-cell tasks fails.
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any_errors_fatal: true
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tasks:
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- import_role:
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name: nova-cell
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tasks_from: online_data_migrations
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when:
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- enable_nova | bool
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- kolla_action == 'upgrade'
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