6e9da4753a
Since OSA aims to do HA, it's important to run at least one copy of service at all times. Currently we do restart/run roles agaist all hosts inside a group for most of the services. This cause global service interruption if run without limit until service is restarted. To avoid this from happening, we add serial execution globally for all services with ability to override that behaviour. Change-Id: I5f6b8f9de32124a363cfe2c6191a4971f528cd70
73 lines
2.3 KiB
YAML
73 lines
2.3 KiB
YAML
---
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# Copyright 2019, VEXXHOST, Inc
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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- name: Gather zun facts
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hosts: zun
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gather_facts: "{{ osa_gather_facts | default(True) }}"
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tags:
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- always
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- name: Install the zun components
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hosts: zun_all
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gather_facts: false
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serial: "{{ zun_serial | default(['1','100%']) }}"
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user: root
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vars_files:
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- "defaults/repo_packages/openstack_services.yml"
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- "defaults/{{ install_method }}_install.yml"
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pre_tasks:
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- name: Gather additional facts
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include_tasks: "common-tasks/gather-hardware-facts.yml"
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tags:
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- always
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# In order to ensure that any container, software or
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# config file changes which causes a container/service
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# restart do not cause an unexpected outage, we drain
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# the load balancer back end for this container.
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- include_tasks: common-tasks/haproxy-endpoint-manage.yml
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vars:
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haproxy_backend: zun_api-back
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haproxy_state: disabled
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when:
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- "'zun_api' in group_names"
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- "groups['zun_api'] | length > 1"
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- include_tasks: "common-tasks/os-{{ container_tech | default('lxc') }}-container-setup.yml"
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when: not is_metal
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- include_tasks: common-tasks/unbound-clients.yml
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when:
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- hostvars['localhost']['resolvconf_enabled'] | bool
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roles:
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- role: "os_zun"
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post_tasks:
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# Now that container changes are done, we can set
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# the load balancer back end for this container
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# to available again.
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- include_tasks: common-tasks/haproxy-endpoint-manage.yml
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vars:
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haproxy_backend: zun_api-back
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haproxy_state: enabled
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when:
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- "'zun_api' in group_names"
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- "groups['zun_api'] | length > 1"
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environment: "{{ deployment_environment_variables | default({}) }}"
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tags:
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- zun
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