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file extensions!
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Michael DeHaan
Matt Clay
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351
lib/ansible/modules/cloud/rax_scaling_group.py
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351
lib/ansible/modules/cloud/rax_scaling_group.py
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#!/usr/bin/python
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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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# This is a DOCUMENTATION stub specific to this module, it extends
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# a documentation fragment located in ansible.utils.module_docs_fragments
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DOCUMENTATION = '''
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---
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module: rax_scaling_group
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short_description: Manipulate Rackspace Cloud Autoscale Groups
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description:
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- Manipulate Rackspace Cloud Autoscale Groups
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version_added: 1.7
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options:
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cooldown:
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description:
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- The period of time, in seconds, that must pass before any scaling can
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occur after the previous scaling. Must be an integer between 0 and
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86400 (24 hrs).
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disk_config:
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description:
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- Disk partitioning strategy
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choices:
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- auto
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- manual
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default: auto
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files:
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description:
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- 'Files to insert into the instance. Hash of C(remotepath: localpath)'
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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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required: true
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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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required: true
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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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loadbalancers:
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description:
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- List of load balancer C(id) and C(port) hashes
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max_entities:
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description:
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- The maximum number of entities that are allowed in the scaling group.
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Must be an integer between 0 and 1000.
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required: true
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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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min_entities:
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description:
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- The minimum number of entities that are allowed in the scaling group.
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Must be an integer between 0 and 1000.
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required: true
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name:
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description:
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- Name to give the scaling group
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required: true
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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:
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- public
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- private
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server_name:
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description:
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- The base name for servers created by Autoscale
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required: true
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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:
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- present
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- absent
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default: present
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author: Matt Martz
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extends_documentation_fragment: rackspace
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'''
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EXAMPLES = '''
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---
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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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- rax_scaling_group:
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credentials: ~/.raxpub
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region: ORD
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cooldown: 300
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flavor: performance1-1
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image: bb02b1a3-bc77-4d17-ab5b-421d89850fca
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min_entities: 5
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max_entities: 10
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name: ASG Test
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server_name: asgtest
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loadbalancers:
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- id: 228385
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port: 80
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register: asg
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'''
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try:
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import pyrax
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HAS_PYRAX = True
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except ImportError:
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HAS_PYRAX = False
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def rax_asg(module, cooldown=300, disk_config=None, files={}, flavor=None,
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image=None, key_name=None, loadbalancers=[], meta={},
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min_entities=0, max_entities=0, name=None, networks=[],
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server_name=None, state='present'):
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changed = False
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au = pyrax.autoscale
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cnw = pyrax.cloud_networks
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cs = pyrax.cloudservers
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if not au or not cnw or not cs:
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module.fail_json(msg='Failed to instantiate clients. This '
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'typically indicates an invalid region or an '
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'incorrectly capitalized region name.')
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if state == 'present':
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# Normalize and ensure all metadata values are strings
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if meta:
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for k, v in meta.items():
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if isinstance(v, list):
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meta[k] = ','.join(['%s' % i for i in v])
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elif isinstance(v, dict):
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meta[k] = json.dumps(v)
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elif not isinstance(v, basestring):
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meta[k] = '%s' % v
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if image:
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image = rax_find_image(module, pyrax, image)
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nics = []
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if networks:
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for network in networks:
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nics.extend(rax_find_network(module, pyrax, network))
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for nic in nics:
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# pyrax is currently returning net-id, but we need uuid
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# this check makes this forward compatible for a time when
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# pyrax uses uuid instead
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if nic.get('net-id'):
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nic.update(uuid=nic['net-id'])
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del nic['net-id']
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# Handle the file contents
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personality = []
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if files:
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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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f = open(lpath, 'r')
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personality.append({
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'path': rpath,
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'contents': f.read()
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})
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f.close()
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except Exception, e:
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module.fail_json(msg='Failed to load %s' % lpath)
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lbs = []
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if loadbalancers:
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for lb in loadbalancers:
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lb_id = lb.get('id')
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port = lb.get('port')
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if not lb_id or not port:
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continue
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lbs.append((lb_id, port))
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try:
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sg = au.find(name=name)
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except pyrax.exceptions.NoUniqueMatch, e:
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module.fail_json(msg='%s' % e.message)
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except pyrax.exceptions.NotFound:
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try:
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sg = au.create(name, cooldown=cooldown,
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min_entities=min_entities,
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max_entities=max_entities,
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launch_config_type='launch_server',
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server_name=server_name, image=image,
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flavor=flavor, disk_config=disk_config,
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metadata=meta, personality=files,
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networks=nics, load_balancers=lbs,
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key_name=key_name)
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changed = True
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except Exception, e:
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module.fail_json(msg='%s' % e.message)
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if not changed:
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# Scaling Group Updates
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group_args = {}
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if cooldown != sg.cooldown:
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group_args['cooldown'] = cooldown
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if min_entities != sg.min_entities:
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group_args['min_entities'] = min_entities
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if max_entities != sg.max_entities:
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group_args['max_entities'] = max_entities
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if group_args:
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changed = True
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sg.update(**group_args)
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# Launch Configuration Updates
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lc = sg.get_launch_config()
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lc_args = {}
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if server_name != lc.get('name'):
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lc_args['name'] = server_name
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if image != lc.get('image'):
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lc_args['image'] = image
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if flavor != lc.get('flavor'):
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lc_args['flavor'] = flavor
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if disk_config != lc.get('disk_config'):
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lc_args['disk_config'] = disk_config
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if meta != lc.get('metadata'):
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lc_args['metadata'] = meta
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if files != lc.get('personality'):
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lc_args['personality'] = files
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if nics != lc.get('networks'):
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lc_args['networks'] = nics
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if lbs != lc.get('load_balancers'):
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# Work around for https://github.com/rackspace/pyrax/pull/393
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lc_args['load_balancers'] = sg.manager._resolve_lbs(lbs)
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if key_name != lc.get('key_name'):
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lc_args['key_name'] = key_name
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if lc_args:
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# Work around for https://github.com/rackspace/pyrax/pull/389
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if 'flavor' not in lc_args:
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lc_args['flavor'] = lc.get('flavor')
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changed = True
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sg.update_launch_config(**lc_args)
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sg.get()
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module.exit_json(changed=changed, autoscale_group=rax_to_dict(sg))
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else:
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try:
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sg = au.find(name=name)
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sg.delete()
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changed = True
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except pyrax.exceptions.NotFound, e:
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sg = {}
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except Exception, e:
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module.fail_json(msg='%s' % e.message)
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module.exit_json(changed=changed, autoscale_group=rax_to_dict(sg))
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def main():
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argument_spec = rax_argument_spec()
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argument_spec.update(
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dict(
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cooldown=dict(type='int', default=300),
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disk_config=dict(choices=['auto', 'manual']),
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files=dict(type='list', default=[]),
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flavor=dict(required=True),
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image=dict(required=True),
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key_name=dict(),
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loadbalancers=dict(type='list'),
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meta=dict(type='dict', default={}),
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min_entities=dict(type='int', required=True),
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max_entities=dict(type='int', required=True),
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name=dict(required=True),
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networks=dict(type='list', default=['public', 'private']),
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server_name=dict(required=True),
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state=dict(default='present', choices=['present', 'absent']),
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)
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)
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module = AnsibleModule(
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argument_spec=argument_spec,
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required_together=rax_required_together(),
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)
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if not HAS_PYRAX:
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module.fail_json(msg='pyrax is required for this module')
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cooldown = module.params.get('cooldown')
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disk_config = module.params.get('disk_config')
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if disk_config:
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disk_config = disk_config.upper()
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files = module.params.get('files')
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flavor = module.params.get('flavor')
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image = module.params.get('image')
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key_name = module.params.get('key_name')
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loadbalancers = module.params.get('loadbalancers')
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meta = module.params.get('meta')
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min_entities = module.params.get('min_entities')
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max_entities = module.params.get('max_entities')
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name = module.params.get('name')
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networks = module.params.get('networks')
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server_name = module.params.get('server_name')
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state = module.params.get('state')
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if not 0 <= min_entities <= 1000 or not 0 <= max_entities <= 1000:
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module.fail_json(msg='min_entities and max_entities must be an '
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'integer between 0 and 1000')
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if not 0 <= cooldown <= 86400:
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module.fail_json(msg='cooldown must be an integer between 0 and 86400')
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setup_rax_module(module, pyrax)
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rax_asg(module, cooldown=cooldown, disk_config=disk_config,
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files=files, flavor=flavor, image=image, meta=meta,
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key_name=key_name, loadbalancers=loadbalancers,
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min_entities=min_entities, max_entities=max_entities,
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name=name, networks=networks, server_name=server_name,
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state=state)
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# import module snippets
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from ansible.module_utils.basic import *
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from ansible.module_utils.rax import *
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# invoke the module
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main()
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