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712 lines
24 KiB
Python
712 lines
24 KiB
Python
#!/usr/bin/python -tt
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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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DOCUMENTATION = '''
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---
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module: rax
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short_description: create / delete an instance in Rackspace Public Cloud
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description:
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- creates / deletes a Rackspace Public Cloud instance and optionally
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waits for it to be 'running'.
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version_added: "1.2"
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options:
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api_key:
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description:
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- Rackspace API key (overrides I(credentials))
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aliases:
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- password
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auth_endpoint:
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description:
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- The URI of the authentication service
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default: https://identity.api.rackspacecloud.com/v2.0/
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version_added: 1.5
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credentials:
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description:
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- File to find the Rackspace credentials in (ignored if I(api_key) and
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I(username) are provided)
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default: null
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aliases:
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- creds_file
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env:
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description:
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- Environment as configured in ~/.pyrax.cfg,
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see U(https://github.com/rackspace/pyrax/blob/master/docs/getting_started.md#pyrax-configuration)
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version_added: 1.5
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identity_type:
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description:
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- Authentication machanism to use, such as rackspace or keystone
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default: rackspace
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version_added: 1.5
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region:
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description:
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- Region to create an instance in
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default: DFW
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tenant_id:
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description:
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- The tenant ID used for authentication
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version_added: 1.5
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tenant_name:
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description:
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- The tenant name used for authentication
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version_added: 1.5
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username:
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description:
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- Rackspace username (overrides I(credentials))
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verify_ssl:
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description:
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- Whether or not to require SSL validation of API endpoints
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version_added: 1.5
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auto_increment:
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description:
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- Whether or not to increment a single number with the name of the
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created servers. Only applicable when used with the I(group) attribute
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or meta key.
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default: yes
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version_added: 1.5
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count:
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description:
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- number of instances to launch
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default: 1
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version_added: 1.4
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count_offset:
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description:
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- number count to start at
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default: 1
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version_added: 1.4
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disk_config:
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description:
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- Disk partitioning strategy
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choices: ['auto', 'manual']
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version_added: '1.4'
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default: auto
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exact_count:
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description:
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- Explicitly ensure an exact count of instances, used with
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state=active/present
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default: no
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version_added: 1.4
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files:
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description:
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- Files to insert into the instance. remotefilename:localcontent
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default: null
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flavor:
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description:
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- flavor to use for the instance
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default: null
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group:
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description:
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- host group to assign to server, is also used for idempotent operations
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to ensure a specific number of instances
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version_added: 1.4
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image:
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description:
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- image to use for the instance. Can be an C(id), C(human_id) or C(name)
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default: null
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instance_ids:
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description:
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- list of instance ids, currently only used when state='absent' to
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remove instances
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version_added: 1.4
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key_name:
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description:
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- key pair to use on the instance
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default: null
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aliases: ['keypair']
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meta:
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description:
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- A hash of metadata to associate with the instance
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default: null
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name:
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description:
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- Name to give the instance
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default: null
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networks:
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description:
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- The network to attach to the instances. If specified, you must include
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ALL networks including the public and private interfaces. Can be C(id)
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or C(label).
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default: ['public', 'private']
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version_added: 1.4
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state:
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description:
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- Indicate desired state of the resource
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choices: ['present', 'absent']
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default: present
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wait:
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description:
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- wait for the instance to be in state 'running' before returning
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default: "no"
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choices: [ "yes", "no" ]
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wait_timeout:
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description:
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- how long before wait gives up, in seconds
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default: 300
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requirements: [ "pyrax" ]
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author: Jesse Keating, Matt Martz
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notes:
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- The following environment variables can be used, C(RAX_USERNAME),
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C(RAX_API_KEY), C(RAX_CREDS_FILE), C(RAX_CREDENTIALS), C(RAX_REGION).
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- C(RAX_CREDENTIALS) and C(RAX_CREDS_FILE) points to a credentials file
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appropriate for pyrax. See U(https://github.com/rackspace/pyrax/blob/master/docs/getting_started.md#authenticating)
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- C(RAX_USERNAME) and C(RAX_API_KEY) obviate the use of a credentials file
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- C(RAX_REGION) defines a Rackspace Public Cloud region (DFW, ORD, LON, ...)
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'''
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EXAMPLES = '''
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- name: Build a Cloud Server
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gather_facts: False
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tasks:
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- name: Server build request
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local_action:
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module: rax
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credentials: ~/.raxpub
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name: rax-test1
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flavor: 5
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image: b11d9567-e412-4255-96b9-bd63ab23bcfe
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files:
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/root/.ssh/authorized_keys: /home/localuser/.ssh/id_rsa.pub
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/root/test.txt: /home/localuser/test.txt
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wait: yes
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state: present
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networks:
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- private
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- public
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register: rax
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- name: Build an exact count of cloud servers with incremented names
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hosts: local
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gather_facts: False
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tasks:
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- name: Server build requests
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local_action:
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module: rax
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credentials: ~/.raxpub
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name: test%03d.example.org
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flavor: performance1-1
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image: ubuntu-1204-lts-precise-pangolin
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state: present
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count: 10
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count_offset: 10
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exact_count: yes
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group: test
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wait: yes
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register: rax
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'''
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import sys
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import time
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import os
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import re
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from uuid import UUID
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from types import NoneType
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try:
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import pyrax
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except ImportError:
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print("failed=True msg='pyrax is required for this module'")
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sys.exit(1)
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ACTIVE_STATUSES = ('ACTIVE', 'BUILD', 'HARD_REBOOT', 'MIGRATING', 'PASSWORD',
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'REBOOT', 'REBUILD', 'RESCUE', 'RESIZE', 'REVERT_RESIZE')
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FINAL_STATUSES = ('ACTIVE', 'ERROR')
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NON_CALLABLES = (basestring, bool, dict, int, list, NoneType)
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PUBLIC_NET_ID = "00000000-0000-0000-0000-000000000000"
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SERVICE_NET_ID = "11111111-1111-1111-1111-111111111111"
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def rax_slugify(value):
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return 'rax_%s' % (re.sub('[^\w-]', '_', value).lower().lstrip('_'))
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def pyrax_object_to_dict(obj):
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instance = {}
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for key in dir(obj):
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value = getattr(obj, key)
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if (isinstance(value, NON_CALLABLES) and not key.startswith('_')):
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key = rax_slugify(key)
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instance[key] = value
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for attr in ['id', 'accessIPv4', 'name', 'status']:
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instance[attr] = instance.get(rax_slugify(attr))
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return instance
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def create(module, names, flavor, image, meta, key_name, files,
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wait, wait_timeout, disk_config, group, nics):
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cs = pyrax.cloudservers
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changed = False
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# Handle the file contents
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for rpath in files.keys():
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lpath = os.path.expanduser(files[rpath])
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try:
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fileobj = open(lpath, 'r')
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files[rpath] = fileobj.read()
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except Exception, e:
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module.fail_json(msg='Failed to load %s' % lpath)
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try:
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servers = []
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for name in names:
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servers.append(cs.servers.create(name=name, image=image,
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flavor=flavor, meta=meta,
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key_name=key_name,
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files=files, nics=nics,
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disk_config=disk_config))
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except Exception, e:
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module.fail_json(msg='%s' % e.message)
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else:
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changed = True
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if wait:
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end_time = time.time() + wait_timeout
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infinite = wait_timeout == 0
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while infinite or time.time() < end_time:
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for server in servers:
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try:
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server.get()
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except:
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server.status == 'ERROR'
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if not filter(lambda s: s.status not in FINAL_STATUSES,
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servers):
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break
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time.sleep(5)
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success = []
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error = []
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timeout = []
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for server in servers:
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try:
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server.get()
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except:
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server.status == 'ERROR'
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instance = pyrax_object_to_dict(server)
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if server.status == 'ACTIVE' or not wait:
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success.append(instance)
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elif server.status == 'ERROR':
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error.append(instance)
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elif wait:
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timeout.append(instance)
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results = {
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'changed': changed,
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'action': 'create',
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'instances': success + error + timeout,
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'success': success,
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'error': error,
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'timeout': timeout,
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'instance_ids': {
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'instances': [i['id'] for i in success + error + timeout],
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'success': [i['id'] for i in success],
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'error': [i['id'] for i in error],
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'timeout': [i['id'] for i in timeout]
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}
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}
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if timeout:
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results['msg'] = 'Timeout waiting for all servers to build'
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elif error:
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results['msg'] = 'Failed to build all servers'
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if 'msg' in results:
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module.fail_json(**results)
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else:
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module.exit_json(**results)
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def delete(module, instance_ids, wait, wait_timeout):
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cs = pyrax.cloudservers
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changed = False
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instances = {}
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servers = []
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for instance_id in instance_ids:
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servers.append(cs.servers.get(instance_id))
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for server in servers:
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try:
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server.delete()
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except Exception, e:
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module.fail_json(msg=e.message)
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else:
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changed = True
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instance = pyrax_object_to_dict(server)
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instances[instance['id']] = instance
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# If requested, wait for server deletion
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if wait:
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end_time = time.time() + wait_timeout
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infinite = wait_timeout == 0
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while infinite or time.time() < end_time:
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for server in servers:
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instance_id = server.id
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try:
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server.get()
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except:
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instances[instance_id]['status'] = 'DELETED'
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if not filter(lambda s: s['status'] not in ('', 'DELETED',
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'ERROR'),
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instances.values()):
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break
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time.sleep(5)
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timeout = filter(lambda s: s['status'] not in ('', 'DELETED', 'ERROR'),
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instances.values())
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error = filter(lambda s: s['status'] in ('ERROR'),
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instances.values())
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success = filter(lambda s: s['status'] in ('', 'DELETED'),
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instances.values())
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results = {
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'changed': changed,
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'action': 'delete',
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'instances': success + error + timeout,
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'success': success,
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'error': error,
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'timeout': timeout,
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'instance_ids': {
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'instances': [i['id'] for i in success + error + timeout],
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'success': [i['id'] for i in success],
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'error': [i['id'] for i in error],
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'timeout': [i['id'] for i in timeout]
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}
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}
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if timeout:
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results['msg'] = 'Timeout waiting for all servers to delete'
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elif error:
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results['msg'] = 'Failed to delete all servers'
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if 'msg' in results:
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module.fail_json(**results)
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else:
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module.exit_json(**results)
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def cloudservers(module, state, name, flavor, image, meta, key_name, files,
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wait, wait_timeout, disk_config, count, group,
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instance_ids, exact_count, networks, count_offset,
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auto_increment):
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cs = pyrax.cloudservers
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cnw = pyrax.cloud_networks
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servers = []
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# Add the group meta key
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if group and 'group' not in meta:
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meta['group'] = group
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elif 'group' in meta and group is None:
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group = meta['group']
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# When using state=absent with group, the absent block won't match the
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# names properly. Use the exact_count functionality to decrease the count
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# to the desired level
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was_absent = False
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if group is not None and state == 'absent':
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exact_count = True
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state = 'present'
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was_absent = True
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# Check if the provided image is a UUID and if not, search for an
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# appropriate image using human_id and name
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if image:
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try:
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UUID(image)
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except ValueError:
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try:
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image = cs.images.find(human_id=image)
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except(cs.exceptions.NotFound,
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cs.exceptions.NoUniqueMatch):
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try:
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image = cs.images.find(name=image)
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except (cs.exceptions.NotFound,
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cs.exceptions.NoUniqueMatch):
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module.fail_json(msg='No matching image found (%s)' %
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image)
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image = pyrax.utils.get_id(image)
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# Check if the provided network is a UUID and if not, search for an
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# appropriate network using label
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nics = []
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if networks:
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for network in networks:
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try:
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UUID(network)
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except ValueError:
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if network.lower() == 'public':
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nics.extend(cnw.get_server_networks(PUBLIC_NET_ID))
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elif network.lower() == 'private':
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nics.extend(cnw.get_server_networks(SERVICE_NET_ID))
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else:
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try:
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network_obj = cnw.find_network_by_label(network)
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except (pyrax.exceptions.NetworkNotFound,
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pyrax.exceptions.NetworkLabelNotUnique):
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module.fail_json(msg='No matching network found (%s)' %
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network)
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else:
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nics.extend(cnw.get_server_networks(network_obj))
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else:
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nics.extend(cnw.get_server_networks(network))
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# act on the state
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if state == 'present':
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for arg, value in dict(name=name, flavor=flavor,
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image=image).iteritems():
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if not value:
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module.fail_json(msg='%s is required for the "rax" module' %
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arg)
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# Idempotent ensurance of a specific count of servers
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if exact_count is not False:
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# See if we can find servers that match our options
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if group is None:
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module.fail_json(msg='"group" must be provided when using '
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'"exact_count"')
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else:
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if auto_increment:
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numbers = set()
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try:
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name % 0
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except TypeError, e:
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if e.message.startswith('not all'):
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name = '%s%%d' % name
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else:
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module.fail_json(msg=e.message)
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pattern = re.sub(r'%\d*[sd]', r'(\d+)', name)
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for server in cs.servers.list():
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if server.metadata.get('group') == group:
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servers.append(server)
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match = re.search(pattern, server.name)
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if match:
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number = int(match.group(1))
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numbers.add(number)
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number_range = xrange(count_offset, count_offset + count)
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available_numbers = list(set(number_range)
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.difference(numbers))
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else:
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for server in cs.servers.list():
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if server.metadata.get('group') == group:
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servers.append(server)
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# If state was absent but the count was changed,
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# assume we only wanted to remove that number of instances
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if was_absent:
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diff = len(servers) - count
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if diff < 0:
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count = 0
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else:
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count = diff
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if len(servers) > count:
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state = 'absent'
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del servers[:count]
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instance_ids = []
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for server in servers:
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instance_ids.append(server.id)
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delete(module, instance_ids, wait, wait_timeout)
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elif len(servers) < count:
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if auto_increment:
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names = []
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name_slice = count - len(servers)
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numbers_to_use = available_numbers[:name_slice]
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for number in numbers_to_use:
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names.append(name % number)
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else:
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names = [name] * (count - len(servers))
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else:
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module.exit_json(changed=False, action=None, instances=[],
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success=[], error=[], timeout=[],
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instance_ids={'instances': [],
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'success': [], 'error': [],
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'timeout': []})
|
|
else:
|
|
if group is not None:
|
|
if auto_increment:
|
|
numbers = set()
|
|
|
|
try:
|
|
name % 0
|
|
except TypeError, e:
|
|
if e.message.startswith('not all'):
|
|
name = '%s%%d' % name
|
|
else:
|
|
module.fail_json(msg=e.message)
|
|
|
|
pattern = re.sub(r'%\d*[sd]', r'(\d+)', name)
|
|
for server in cs.servers.list():
|
|
if server.metadata.get('group') == group:
|
|
servers.append(server)
|
|
match = re.search(pattern, server.name)
|
|
if match:
|
|
number = int(match.group(1))
|
|
numbers.add(number)
|
|
|
|
number_range = xrange(count_offset,
|
|
count_offset + count + len(numbers))
|
|
available_numbers = list(set(number_range)
|
|
.difference(numbers))
|
|
names = []
|
|
numbers_to_use = available_numbers[:count]
|
|
for number in numbers_to_use:
|
|
names.append(name % number)
|
|
else:
|
|
names = [name] * count
|
|
else:
|
|
search_opts = {
|
|
'name': '^%s$' % name,
|
|
'image': image,
|
|
'flavor': flavor
|
|
}
|
|
servers = []
|
|
for server in cs.servers.list(search_opts=search_opts):
|
|
if server.metadata != meta:
|
|
continue
|
|
servers.append(server)
|
|
|
|
if len(servers) >= count:
|
|
instances = []
|
|
for server in servers:
|
|
instances.append(pyrax_object_to_dict(server))
|
|
|
|
instance_ids = [i['id'] for i in instances]
|
|
module.exit_json(changed=False, action=None,
|
|
instances=instances, success=[], error=[],
|
|
timeout=[],
|
|
instance_ids={'instances': instance_ids,
|
|
'success': [], 'error': [],
|
|
'timeout': []})
|
|
|
|
names = [name] * (count - len(servers))
|
|
|
|
create(module, names, flavor, image, meta, key_name, files,
|
|
wait, wait_timeout, disk_config, group, nics)
|
|
|
|
elif state == 'absent':
|
|
if instance_ids is None:
|
|
for arg, value in dict(name=name, flavor=flavor,
|
|
image=image).iteritems():
|
|
if not value:
|
|
module.fail_json(msg='%s is required for the "rax" '
|
|
'module' % arg)
|
|
search_opts = {
|
|
'name': '^%s$' % name,
|
|
'image': image,
|
|
'flavor': flavor
|
|
}
|
|
for server in cs.servers.list(search_opts=search_opts):
|
|
if meta != server.metadata:
|
|
continue
|
|
servers.append(server)
|
|
|
|
instance_ids = []
|
|
for server in servers:
|
|
if len(instance_ids) < count:
|
|
instance_ids.append(server.id)
|
|
else:
|
|
break
|
|
|
|
if not instance_ids:
|
|
module.exit_json(changed=False, action=None, instances=[],
|
|
success=[], error=[], timeout=[],
|
|
instance_ids={'instances': [],
|
|
'success': [], 'error': [],
|
|
'timeout': []})
|
|
|
|
delete(module, instance_ids, wait, wait_timeout)
|
|
|
|
|
|
def main():
|
|
argument_spec = rax_argument_spec()
|
|
argument_spec.update(
|
|
dict(
|
|
auto_increment=dict(default=True, type='bool'),
|
|
count=dict(default=1, type='int'),
|
|
count_offset=dict(default=1, type='int'),
|
|
disk_config=dict(choices=['auto', 'manual']),
|
|
exact_count=dict(default=False, type='bool'),
|
|
files=dict(type='dict', default={}),
|
|
flavor=dict(),
|
|
group=dict(),
|
|
image=dict(),
|
|
instance_ids=dict(type='list'),
|
|
key_name=dict(aliases=['keypair']),
|
|
meta=dict(type='dict', default={}),
|
|
name=dict(),
|
|
networks=dict(type='list', default=['public', 'private']),
|
|
service=dict(),
|
|
state=dict(default='present', choices=['present', 'absent']),
|
|
wait=dict(default=False, type='bool'),
|
|
wait_timeout=dict(default=300),
|
|
)
|
|
)
|
|
|
|
module = AnsibleModule(
|
|
argument_spec=argument_spec,
|
|
required_together=rax_required_together(),
|
|
)
|
|
|
|
service = module.params.get('service')
|
|
|
|
if service is not None:
|
|
module.fail_json(msg='The "service" attribute has been deprecated, '
|
|
'please remove "service: cloudservers" from your '
|
|
'playbook pertaining to the "rax" module')
|
|
|
|
auto_increment = module.params.get('auto_increment')
|
|
count = module.params.get('count')
|
|
count_offset = module.params.get('count_offset')
|
|
disk_config = module.params.get('disk_config')
|
|
if disk_config:
|
|
disk_config = disk_config.upper()
|
|
exact_count = module.params.get('exact_count', False)
|
|
files = module.params.get('files')
|
|
flavor = module.params.get('flavor')
|
|
group = module.params.get('group')
|
|
image = module.params.get('image')
|
|
instance_ids = module.params.get('instance_ids')
|
|
key_name = module.params.get('key_name')
|
|
meta = module.params.get('meta')
|
|
name = module.params.get('name')
|
|
networks = module.params.get('networks')
|
|
state = module.params.get('state')
|
|
wait = module.params.get('wait')
|
|
wait_timeout = int(module.params.get('wait_timeout'))
|
|
|
|
setup_rax_module(module, pyrax)
|
|
|
|
cloudservers(module, state, name, flavor, image, meta, key_name, files,
|
|
wait, wait_timeout, disk_config, count, group,
|
|
instance_ids, exact_count, networks, count_offset,
|
|
auto_increment)
|
|
|
|
|
|
# import module snippets
|
|
from ansible.module_utils.basic import *
|
|
from ansible.module_utils.rax import *
|
|
|
|
### invoke the module
|
|
main()
|