CORE-1336 Support to skip instances != ACTIVE
This commit adds a new module, nova_facts, in order to determine the state of an instane prior to beginning, which results in the instance being skipped until the rebuild step. Change-Id: Iade8103349b83973eaedbb11e26b5036e970dbd5
This commit is contained in:
Julia Kreger
parent
770d76f171
commit
8c4660b2f9
185
library/cloud/nova_facts
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185
library/cloud/nova_facts
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@ -0,0 +1,185 @@
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#!/usr/bin/env python
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# This code is part of Ansible, but is an independent component.
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# This particular file snippet, and this file snippet only, is BSD licensed.
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# Modules you write using this snippet, which is embedded dynamically by Ansible
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# still belong to the author of the module, and may assign their own license
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# to the complete work.
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#
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# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification,
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# are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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# USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os
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try:
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from novaclient.v1_1 import client as nova_client
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from novaclient import exceptions
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import time
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except ImportError:
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print("failed=True msg='novaclient is required for this module'")
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DOCUMENTATION = '''
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---
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module: nova_facts
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short_description: Return facts from Nova
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description:
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- Returns instance state and metadata from Openstack Nova.
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options:
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login_username:
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description:
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- login username to authenticate to keystone
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required: true
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default: admin
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login_password:
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description:
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- Password of login user
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required: true
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default: 'yes'
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login_tenant_name:
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description:
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- The tenant name of the login user
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required: true
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default: 'yes'
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auth_url:
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description:
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- The keystone url for authentication
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required: false
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default: 'http://127.0.0.1:35357/v2.0/'
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region_name:
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description:
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- Name of the region
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required: false
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default: None
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name:
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description:
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- Name of the instance for which facts will be retrieved.
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default: None
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instance_id:
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description:
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- Instance ID of the instance for which facts will be retrieved.
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default: None
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requirements: ["novaclient"]
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'''
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EXAMPLES = '''
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# Rebuilds an existing VM with a new image
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- nova_facts:
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login_username: admin
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login_password: admin
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login_tenant_name: admin
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name: vm1
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image_id: 4f905f38-e52a-43d2-b6ec-754a13ffb529
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'''
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# The following openstack_ is a copy paste from an upcoming
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# core module "lib/ansible/module_utils/openstack.py" Once that's landed,
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# these should be replaced with a line at the bottom of the file:
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# from ansible.module_utils.openstack import *
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def openstack_argument_spec():
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# Consume standard OpenStack environment variables.
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# This is mainly only useful for ad-hoc command line operation as
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# in playbooks one would assume variables would be used appropriately
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OS_AUTH_URL = os.environ.get('OS_AUTH_URL', 'http://127.0.0.1:35357/v2.0/')
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OS_PASSWORD = os.environ.get('OS_PASSWORD', None)
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OS_REGION_NAME = os.environ.get('OS_REGION_NAME', None)
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OS_USERNAME = os.environ.get('OS_USERNAME', 'admin')
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OS_TENANT_NAME = os.environ.get('OS_TENANT_NAME', OS_USERNAME)
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spec = dict(
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login_username=dict(default=OS_USERNAME),
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auth_url=dict(default=OS_AUTH_URL),
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region_name=dict(default=OS_REGION_NAME),
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availability_zone=dict(default=None),
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)
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if OS_PASSWORD:
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spec['login_password'] = dict(default=OS_PASSWORD)
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else:
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spec['login_password'] = dict(required=True)
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if OS_TENANT_NAME:
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spec['login_tenant_name'] = dict(default=OS_TENANT_NAME)
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else:
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spec['login_tenant_name'] = dict(required=True)
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return spec
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def _nova_facts(module, nova):
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server = None
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try:
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if module.params.get('instance_id') is None:
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servers = nova.servers.list(True, {'name': module.params['name']})
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if servers:
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# the {'name': module.params['name']} will also return servers
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# with names that partially match the server name, so we have to
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# strictly filter here
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servers = [
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x for x in servers if x.name == module.params['name']
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]
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if servers:
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server = servers[0]
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else:
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server = nova.servers.get(module.params['instance_id'])
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except Exception, e:
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module.fail_json(
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msg="Error in getting the server list: %s" % e.message
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)
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if not server:
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module.exit_json(changed=False, result="not present")
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try:
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server = nova.servers.get(server.id)
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except Exception, e:
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module.fail_json(msg="not present")
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facts = {'ansible_facts': {}}
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facts['ansible_facts']['instance_status'] = server.status
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facts['ansible_facts']['instance_metadata'] = server.metadata
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module.exit_json(**facts)
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def main():
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argument_spec = openstack_argument_spec()
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argument_spec.update(dict(
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name=dict(),
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instance_id=dict(),
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))
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module = AnsibleModule(argument_spec=argument_spec)
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nova = nova_client.Client(module.params['login_username'],
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module.params['login_password'],
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module.params['login_tenant_name'],
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module.params['auth_url'],
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region_name=module.params['region_name'],
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service_type='compute')
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try:
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nova.authenticate()
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except exceptions.Unauthorized, e:
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module.fail_json(
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msg="Invalid OpenStack Nova credentials.: %s" % e.message
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)
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except exceptions.AuthorizationFailure, e:
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module.fail_json(msg="Unable to authorize user: %s" % e.message)
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_nova_facts(module, nova)
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# this is magic, see lib/ansible/module_common.py
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from ansible.module_utils.basic import *
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main()
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@ -13,9 +13,6 @@
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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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---
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- name: "Change /mnt to be a read-only mount-point"
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sudo: yes
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command: mount -o remount,ro /mnt
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- name: "Call nova_rebuild"
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nova_rebuild:
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instance_id: "{{ instance_id }}"
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18
playbooks/remount-ro.yml
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18
playbooks/remount-ro.yml
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# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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
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# 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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---
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- name: "Change /mnt to be a read-only mount-point"
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sudo: yes
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command: mount -o remount,ro /mnt
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@ -14,52 +14,62 @@
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# limitations under the License.
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---
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- hosts: all
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gather_facts: no
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tasks:
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- include: disable_os_collect_config.yml
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when: instance_status == "ACTIVE"
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- hosts: undercloud
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name: Disable Undercloud
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sudo: yes
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gather_facts: no
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tasks:
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- service: name={{ item }} enabled=no state=stopped
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with_items: helion_undercloud_services
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when: helion is defined
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when: helion is defined and instance_status == "ACTIVE"
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- service: name={{ item }} enabled=no state=stopped
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with_items: undercloud_services
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when: helion is not defined
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when: helion is not defined and instance_status == "ACTIVE"
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- hosts: nova-compute
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name: Disable Overcloud Compute
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sudo: yes
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gather_facts: no
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tasks:
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- service: name={{ item }} enabled=no state=stopped
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with_items: helion_overcloud_compute_services
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when: helion is defined
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when: helion is defined and instance_status == "ACTIVE"
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- service: name={{ item }} enabled=no state=stopped
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with_items: overcloud_compute_services
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with_items: overcloud_compute_services and instance_status == "ACTIVE"
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when: helion is not defined
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- hosts: swift-storage
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name: swift-storage
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sudo: yes
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gather_facts: no
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tasks:
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- service: name={{ item }} enabled=no state=stopped
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with_items: helion_overcloud_swift_services
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when: helion is defined
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when: helion is defined and instance_status == "ACTIVE"
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- service: name={{ item }} enabled=no state=stopped
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with_items: overcloud_swift_services
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when: helion is not defined and instance_status == "ACTIVE"
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- hosts: controller
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name: Disable Overcloud Controller
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sudo: yes
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gather_facts: no
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tasks:
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- service: name={{ item }} enabled=no state=stopped
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with_items: helion_overcloud_controller_services
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when: helion is defined
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when: helion is defined and instance_status == "ACTIVE"
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- service: name={{ item }} enabled=no state=stopped
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with_items: overcloud_controller_services
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when: helion is not defined
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when: helion is not defined and instance_status == "ACTIVE"
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- hosts: controllermgmt
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name: Disable Overcloud Controller Mgmt node
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sudo: yes
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gather_facts: no
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tasks:
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- service: name={{ item }} enabled=no state=stopped
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with_items: helion_overcloudmgmt_controller_services
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when: helion is defined
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when: helion is defined and instance_status == "ACTIVE"
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# Critically, we need to select a single node of the galera cluster to
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# be the 'last'. So controllermgmt fits that bill for now. We will have
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# to select one to be the "special" node eventually, we can do that with
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@ -68,26 +78,36 @@
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- hosts: controller
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name: Stop MySQL on controller nodes
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sudo: yes
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gather_facts: no
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tasks:
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- include: galera_status.yml
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when: instance_status == "ACTIVE"
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- service: name=mysql enabled=no state=stopped
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when: galera_status == 'Synced'
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when: galera_status == 'Synced' and instance_status == "ACTIVE"
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- fail: msg="Galera Replication is out of sync - cannot safely proceed"
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when: galera_status != 'Synced'
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when: galera_status != 'Synced' and instance_status == "ACTIVE"
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- hosts: controllermgmt
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name: Stop MySQL on Overcloud Controller Mgmt node
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sudo: yes
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gather_facts: no
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tasks:
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- include: galera_status.yml
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when: instance_status == "ACTIVE"
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- fail: msg="Galera Replication is out of sync - cannot safely proceed"
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when: galera_status == 'Out of Sync'
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when: galera_status == 'Out of Sync' and instance_status == "ACTIVE"
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- service: name=mysql enabled=no state=stopped
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when: instance_status == "ACTIVE"
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- hosts: undercloud
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name: Rebuild and Refresh Undercloud
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gather_facts: no
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tasks:
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- include: preserve_ssh_host_keys.yml
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when: instance_status == "ACTIVE"
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- include: cleanup_cinder_volumes.yml
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ undercloud_rebuild_image_id }}" }
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when: instance_status == "ACTIVE"
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- include: remount-ro.yml
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when: instance_status == "ACTIVE"
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ undercloud_rebuild_image_id }}", when: instance_status != "REBUILD" }
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- local_action: wait_for port=22 timeout=600 host="{{ inventory_hostname }}" search_regex=OpenSSH delay=10
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- include: refresh_config.yml
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- hosts: undercloud
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@ -99,10 +119,13 @@
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with_items: undercloud_services
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- hosts: controllermgmt
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name: Rebuild and Refresh ControllerMgmt
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gather_facts: no
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tasks:
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- include: preserve_ssh_host_keys.yml
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when: instance_status == "ACTIVE"
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- include: cleanup_cinder_volumes.yml
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ controllermgmt_rebuild_image_id }}" }
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when: instance_status == "ACTIVE"
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ controllermgmt_rebuild_image_id }}", when: instance_status != "REBUILD" }
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- local_action: wait_for port=22 timeout=600 host="{{ inventory_hostname }}" search_regex=OpenSSH delay=10
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- hosts: controllermgmt
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name: Start initial Galera cluster node
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@ -110,10 +133,13 @@
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- service: name=mysql enabled=yes state=started arguments=--wsrep_cluster_address="gcomm://"
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- hosts: controller
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name: Rebuild and Refresh Controller
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gather_facts: no
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tasks:
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- include: preserve_ssh_host_keys.yml
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when: instance_status == "ACTIVE"
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- include: cleanup_cinder_volumes.yml
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ controller_rebuild_image_id }}" }
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when: instance_status == "ACTIVE"
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ controller_rebuild_image_id }}", when: instance_status != "REBUILD" }
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- local_action: wait_for port=22 timeout=600 host="{{ inventory_hostname }}" search_regex=OpenSSH delay=10
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- hosts: controller:controllermgmt
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name: Re-Refresh Controller
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@ -146,9 +172,11 @@
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with_items: overcloud_controller_services
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- hosts: swift-storage
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name: Rebuild and Refresh swift-storage
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gather_facts: no
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tasks:
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- include: preserve_ssh_host_keys.yml
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ swift_storage_rebuild_image_id }}" }
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when: instance_status == "ACTIVE"
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ swift_storage_rebuild_image_id }}", when: instance_status != "REBUILD" }
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- local_action: wait_for port=22 timeout=600 host="{{ inventory_hostname }}" search_regex=OpenSSH delay=10
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- include: refresh_config.yml
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- hosts: swift-storage
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@ -163,9 +191,11 @@
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with_items: overcloud_swift_services
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- hosts: nova-compute
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name: Rebuild and Refresh Nova Compute
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gather_facts: no
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tasks:
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- include: preserve_ssh_host_keys.yml
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ nova_compute_rebuild_image_id }}" }
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when: instance_status == "ACTIVE"
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- { include: rebuild.yml, instance_id: "{{ instance_id }}", rebuild_image_id: "{{ nova_compute_rebuild_image_id }}", when: instance_status != "REBUILD" }
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- local_action: wait_for port=22 timeout=600 host="{{ inventory_hostname }}" search_regex=OpenSSH delay=10
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- include: refresh_config.yml
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- hosts: nova-compute
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@ -169,6 +169,7 @@ class HeatInventory(object):
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res.resource_name
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)
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}
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hostvars[addr]['instance_status'] = server.status
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hostvars[addr]['instance_id'] = res.physical_resource_id
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inventory = {'_meta': {'hostvars': hostvars}}
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inventory.update(groups)
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@ -195,6 +196,7 @@ class HeatInventory(object):
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res.resource_name
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)
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}
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hostvars['instance_status'] = server.status
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hostvars['instance_id'] = res.physical_resource_id
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print(json.dumps(hostvars, indent=2))
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break
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