78a828ef42
This patch adds initial support for deploying multiple Nova cells. Splitting a nova-cell role out from the Nova role allows a more granular approach to deploying and configuring Nova services. A new enable_cells flag has been added that enables the support of multiple cells via the introduction of a super conductor in addition to cell-specific conductors. When this flag is not set (the default), nova is configured in the same manner as before - with a single conductor. The nova role now deploys the global services: * nova-api * nova-scheduler * nova-super-conductor (if enable_cells is true) The nova-cell role handles services specific to a cell: * nova-compute * nova-compute-ironic * nova-conductor * nova-libvirt * nova-novncproxy * nova-serialproxy * nova-spicehtml5proxy * nova-ssh This patch does not support using a single cell controller for managing more than one cell. Support for sharing a cell controller will be added in a future patch. This patch should be backwards compatible and is tested by existing CI jobs. A new CI job has been added that tests a multi-cell environment. ceph-mon has been removed from the play hosts list as it is not necessary - delegate_to does not require the host to be in the play. Documentation will be added in a separate patch. Partially Implements: blueprint support-nova-cells Co-Authored-By: Mark Goddard <mark@stackhpc.com> Change-Id: I810aad7d49db3f5a7fd9a2f0f746fd912fe03917
27 lines
989 B
YAML
27 lines
989 B
YAML
---
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- name: Create cell0 mappings
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vars:
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nova_api: "{{ nova_services['nova-api'] }}"
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nova_cell0_connection: "mysql+pymysql://{{ nova_cell0_database_user }}:{{ nova_cell0_database_password }}@{{ nova_cell0_database_address }}/{{ nova_cell0_database_name }}"
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become: true
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kolla_docker:
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action: "start_container"
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command: bash -c 'sudo -E kolla_set_configs && nova-manage cell_v2 map_cell0 --database_connection {{ nova_cell0_connection }}'
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common_options: "{{ docker_common_options }}"
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detach: False
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image: "{{ nova_api.image }}"
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labels:
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BOOTSTRAP:
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name: "nova_api_map_cell0"
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restart_policy: no
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volumes: "{{ nova_api_bootstrap_default_volumes + nova_api_bootstrap_extra_volumes }}"
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register: map_cell0
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changed_when:
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- map_cell0 is success
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- '"Cell0 is already setup" not in map_cell0.stdout'
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run_once: True
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delegate_to: "{{ groups[nova_api.group][0] }}"
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- include_tasks: bootstrap_service.yml
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when: map_cell0.changed
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