513 lines
17 KiB
Python
513 lines
17 KiB
Python
#!/usr/bin/python
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#
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# Copyright (c) 2015 CenturyLink
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#
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# This file is part of Ansible.
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>
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#
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DOCUMENTATION = '''
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module: clc_group
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short_description: Create/delete Server Groups at Centurylink Cloud
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description:
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- Create or delete Server Groups at Centurylink Centurylink Cloud
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version_added: "2.0"
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options:
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name:
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description:
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- The name of the Server Group
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required: True
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description:
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description:
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- A description of the Server Group
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required: False
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parent:
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description:
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- The parent group of the server group. If parent is not provided, it creates the group at top level.
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required: False
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location:
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description:
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- Datacenter to create the group in. If location is not provided, the group gets created in the default datacenter
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associated with the account
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required: False
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state:
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description:
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- Whether to create or delete the group
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default: present
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choices: ['present', 'absent']
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wait:
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description:
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- Whether to wait for the tasks to finish before returning.
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choices: [ True, False ]
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default: True
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required: False
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requirements:
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- python = 2.7
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- requests >= 2.5.0
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- clc-sdk
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author: "CLC Runner (@clc-runner)"
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notes:
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- To use this module, it is required to set the below environment variables which enables access to the
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Centurylink Cloud
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- CLC_V2_API_USERNAME, the account login id for the centurylink cloud
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- CLC_V2_API_PASSWORD, the account password for the centurylink cloud
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- Alternatively, the module accepts the API token and account alias. The API token can be generated using the
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CLC account login and password via the HTTP api call @ https://api.ctl.io/v2/authentication/login
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- CLC_V2_API_TOKEN, the API token generated from https://api.ctl.io/v2/authentication/login
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- CLC_ACCT_ALIAS, the account alias associated with the centurylink cloud
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- Users can set CLC_V2_API_URL to specify an endpoint for pointing to a different CLC environment.
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'''
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EXAMPLES = '''
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# Create a Server Group
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---
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- name: Create Server Group
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hosts: localhost
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gather_facts: False
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connection: local
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tasks:
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- name: Create / Verify a Server Group at CenturyLink Cloud
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clc_group:
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name: 'My Cool Server Group'
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parent: 'Default Group'
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state: present
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register: clc
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- name: debug
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debug: var=clc
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# Delete a Server Group
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---
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- name: Delete Server Group
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hosts: localhost
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gather_facts: False
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connection: local
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tasks:
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- name: Delete / Verify Absent a Server Group at CenturyLink Cloud
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clc_group:
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name: 'My Cool Server Group'
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parent: 'Default Group'
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state: absent
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register: clc
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- name: debug
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debug: var=clc
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'''
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RETURN = '''
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group:
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description: The group information
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returned: success
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type: dict
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sample:
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{
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"changeInfo":{
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"createdBy":"service.wfad",
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"createdDate":"2015-07-29T18:52:47Z",
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"modifiedBy":"service.wfad",
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"modifiedDate":"2015-07-29T18:52:47Z"
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},
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"customFields":[
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],
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"description":"test group",
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"groups":[
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],
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"id":"bb5f12a3c6044ae4ad0a03e73ae12cd1",
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"links":[
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{
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"href":"/v2/groups/wfad",
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"rel":"createGroup",
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"verbs":[
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"POST"
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]
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},
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{
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"href":"/v2/servers/wfad",
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"rel":"createServer",
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"verbs":[
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"POST"
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]
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},
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{
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"href":"/v2/groups/wfad/bb5f12a3c6044ae4ad0a03e73ae12cd1",
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"rel":"self",
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"verbs":[
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"GET",
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"PATCH",
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"DELETE"
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]
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},
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{
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"href":"/v2/groups/wfad/086ac1dfe0b6411989e8d1b77c4065f0",
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"id":"086ac1dfe0b6411989e8d1b77c4065f0",
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"rel":"parentGroup"
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},
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{
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"href":"/v2/groups/wfad/bb5f12a3c6044ae4ad0a03e73ae12cd1/defaults",
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"rel":"defaults",
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"verbs":[
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"GET",
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"POST"
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]
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},
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{
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"href":"/v2/groups/wfad/bb5f12a3c6044ae4ad0a03e73ae12cd1/billing",
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"rel":"billing"
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},
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{
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"href":"/v2/groups/wfad/bb5f12a3c6044ae4ad0a03e73ae12cd1/archive",
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"rel":"archiveGroupAction"
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},
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{
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"href":"/v2/groups/wfad/bb5f12a3c6044ae4ad0a03e73ae12cd1/statistics",
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"rel":"statistics"
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},
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{
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"href":"/v2/groups/wfad/bb5f12a3c6044ae4ad0a03e73ae12cd1/upcomingScheduledActivities",
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"rel":"upcomingScheduledActivities"
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},
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{
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"href":"/v2/groups/wfad/bb5f12a3c6044ae4ad0a03e73ae12cd1/horizontalAutoscalePolicy",
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"rel":"horizontalAutoscalePolicyMapping",
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"verbs":[
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"GET",
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"PUT",
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"DELETE"
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]
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},
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{
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"href":"/v2/groups/wfad/bb5f12a3c6044ae4ad0a03e73ae12cd1/scheduledActivities",
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"rel":"scheduledActivities",
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"verbs":[
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"GET",
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"POST"
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]
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}
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],
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"locationId":"UC1",
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"name":"test group",
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"status":"active",
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"type":"default"
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}
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'''
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__version__ = '${version}'
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from distutils.version import LooseVersion
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try:
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import requests
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except ImportError:
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REQUESTS_FOUND = False
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else:
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REQUESTS_FOUND = True
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#
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# Requires the clc-python-sdk.
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# sudo pip install clc-sdk
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#
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try:
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import clc as clc_sdk
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from clc import CLCException
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except ImportError:
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CLC_FOUND = False
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clc_sdk = None
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else:
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CLC_FOUND = True
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class ClcGroup(object):
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clc = None
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root_group = None
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def __init__(self, module):
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"""
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Construct module
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"""
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self.clc = clc_sdk
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self.module = module
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self.group_dict = {}
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if not CLC_FOUND:
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self.module.fail_json(
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msg='clc-python-sdk required for this module')
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if not REQUESTS_FOUND:
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self.module.fail_json(
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msg='requests library is required for this module')
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if requests.__version__ and LooseVersion(requests.__version__) < LooseVersion('2.5.0'):
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self.module.fail_json(
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msg='requests library version should be >= 2.5.0')
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self._set_user_agent(self.clc)
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def process_request(self):
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"""
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Execute the main code path, and handle the request
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:return: none
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"""
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location = self.module.params.get('location')
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group_name = self.module.params.get('name')
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parent_name = self.module.params.get('parent')
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group_description = self.module.params.get('description')
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state = self.module.params.get('state')
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self._set_clc_credentials_from_env()
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self.group_dict = self._get_group_tree_for_datacenter(
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datacenter=location)
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if state == "absent":
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changed, group, requests = self._ensure_group_is_absent(
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group_name=group_name, parent_name=parent_name)
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if requests:
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self._wait_for_requests_to_complete(requests)
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else:
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changed, group = self._ensure_group_is_present(
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group_name=group_name, parent_name=parent_name, group_description=group_description)
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try:
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group = group.data
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except AttributeError:
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group = group_name
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self.module.exit_json(changed=changed, group=group)
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@staticmethod
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def _define_module_argument_spec():
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"""
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Define the argument spec for the ansible module
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:return: argument spec dictionary
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"""
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argument_spec = dict(
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name=dict(required=True),
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description=dict(default=None),
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parent=dict(default=None),
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location=dict(default=None),
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state=dict(default='present', choices=['present', 'absent']),
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wait=dict(type='bool', default=True))
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return argument_spec
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def _set_clc_credentials_from_env(self):
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"""
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Set the CLC Credentials on the sdk by reading environment variables
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:return: none
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"""
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env = os.environ
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v2_api_token = env.get('CLC_V2_API_TOKEN', False)
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v2_api_username = env.get('CLC_V2_API_USERNAME', False)
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v2_api_passwd = env.get('CLC_V2_API_PASSWD', False)
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clc_alias = env.get('CLC_ACCT_ALIAS', False)
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api_url = env.get('CLC_V2_API_URL', False)
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if api_url:
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self.clc.defaults.ENDPOINT_URL_V2 = api_url
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if v2_api_token and clc_alias:
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self.clc._LOGIN_TOKEN_V2 = v2_api_token
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self.clc._V2_ENABLED = True
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self.clc.ALIAS = clc_alias
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elif v2_api_username and v2_api_passwd:
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self.clc.v2.SetCredentials(
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api_username=v2_api_username,
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api_passwd=v2_api_passwd)
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else:
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return self.module.fail_json(
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msg="You must set the CLC_V2_API_USERNAME and CLC_V2_API_PASSWD "
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"environment variables")
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def _ensure_group_is_absent(self, group_name, parent_name):
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"""
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Ensure that group_name is absent by deleting it if necessary
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:param group_name: string - the name of the clc server group to delete
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:param parent_name: string - the name of the parent group for group_name
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:return: changed, group
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"""
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changed = False
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group = []
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results = []
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if self._group_exists(group_name=group_name, parent_name=parent_name):
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if not self.module.check_mode:
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group.append(group_name)
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result = self._delete_group(group_name)
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results.append(result)
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changed = True
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return changed, group, results
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def _delete_group(self, group_name):
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"""
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Delete the provided server group
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:param group_name: string - the server group to delete
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:return: none
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"""
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response = None
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group, parent = self.group_dict.get(group_name)
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try:
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response = group.Delete()
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except CLCException, ex:
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self.module.fail_json(msg='Failed to delete group :{0}. {1}'.format(
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group_name, ex.response_text
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))
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return response
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def _ensure_group_is_present(
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self,
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group_name,
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parent_name,
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group_description):
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"""
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Checks to see if a server group exists, creates it if it doesn't.
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:param group_name: the name of the group to validate/create
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:param parent_name: the name of the parent group for group_name
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:param group_description: a short description of the server group (used when creating)
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:return: (changed, group) -
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changed: Boolean- whether a change was made,
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group: A clc group object for the group
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"""
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assert self.root_group, "Implementation Error: Root Group not set"
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parent = parent_name if parent_name is not None else self.root_group.name
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description = group_description
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changed = False
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group = group_name
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parent_exists = self._group_exists(group_name=parent, parent_name=None)
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child_exists = self._group_exists(
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group_name=group_name,
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parent_name=parent)
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if parent_exists and child_exists:
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group, parent = self.group_dict[group_name]
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changed = False
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elif parent_exists and not child_exists:
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if not self.module.check_mode:
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group = self._create_group(
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group=group,
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parent=parent,
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description=description)
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changed = True
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else:
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self.module.fail_json(
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msg="parent group: " +
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parent +
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" does not exist")
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return changed, group
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def _create_group(self, group, parent, description):
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"""
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Create the provided server group
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:param group: clc_sdk.Group - the group to create
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:param parent: clc_sdk.Parent - the parent group for {group}
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:param description: string - a text description of the group
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:return: clc_sdk.Group - the created group
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"""
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response = None
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(parent, grandparent) = self.group_dict[parent]
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try:
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response = parent.Create(name=group, description=description)
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except CLCException, ex:
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self.module.fail_json(msg='Failed to create group :{0}. {1}'.format(
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group, ex.response_text))
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return response
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def _group_exists(self, group_name, parent_name):
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"""
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Check to see if a group exists
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:param group_name: string - the group to check
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:param parent_name: string - the parent of group_name
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:return: boolean - whether the group exists
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"""
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result = False
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if group_name in self.group_dict:
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(group, parent) = self.group_dict[group_name]
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if parent_name is None or parent_name == parent.name:
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result = True
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return result
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def _get_group_tree_for_datacenter(self, datacenter=None):
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"""
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Walk the tree of groups for a datacenter
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:param datacenter: string - the datacenter to walk (ex: 'UC1')
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:return: a dictionary of groups and parents
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"""
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self.root_group = self.clc.v2.Datacenter(
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location=datacenter).RootGroup()
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return self._walk_groups_recursive(
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parent_group=None,
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child_group=self.root_group)
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def _walk_groups_recursive(self, parent_group, child_group):
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"""
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Walk a parent-child tree of groups, starting with the provided child group
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:param parent_group: clc_sdk.Group - the parent group to start the walk
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:param child_group: clc_sdk.Group - the child group to start the walk
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:return: a dictionary of groups and parents
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"""
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result = {str(child_group): (child_group, parent_group)}
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groups = child_group.Subgroups().groups
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if len(groups) > 0:
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for group in groups:
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if group.type != 'default':
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continue
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result.update(self._walk_groups_recursive(child_group, group))
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return result
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def _wait_for_requests_to_complete(self, requests_lst):
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"""
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Waits until the CLC requests are complete if the wait argument is True
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:param requests_lst: The list of CLC request objects
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:return: none
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"""
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if not self.module.params['wait']:
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return
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for request in requests_lst:
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request.WaitUntilComplete()
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for request_details in request.requests:
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if request_details.Status() != 'succeeded':
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self.module.fail_json(
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msg='Unable to process group request')
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@staticmethod
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def _set_user_agent(clc):
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if hasattr(clc, 'SetRequestsSession'):
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agent_string = "ClcAnsibleModule/" + __version__
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ses = requests.Session()
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ses.headers.update({"Api-Client": agent_string})
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ses.headers['User-Agent'] += " " + agent_string
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clc.SetRequestsSession(ses)
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def main():
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"""
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The main function. Instantiates the module and calls process_request.
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:return: none
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"""
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module = AnsibleModule(
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argument_spec=ClcGroup._define_module_argument_spec(),
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supports_check_mode=True)
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clc_group = ClcGroup(module)
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clc_group.process_request()
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from ansible.module_utils.basic import * # pylint: disable=W0614
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if __name__ == '__main__':
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main()
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