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made subcategories for cloud modules for better organization
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Brian Coca
Matt Clay
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303
lib/ansible/modules/cloud/rackspace/rax_clb.py
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303
lib/ansible/modules/cloud/rackspace/rax_clb.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_clb
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short_description: create / delete a load balancer in Rackspace Public Cloud
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description:
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- creates / deletes a Rackspace Public Cloud load balancer.
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version_added: "1.4"
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options:
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algorithm:
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description:
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- algorithm for the balancer being created
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choices:
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- RANDOM
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- LEAST_CONNECTIONS
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- ROUND_ROBIN
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- WEIGHTED_LEAST_CONNECTIONS
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- WEIGHTED_ROUND_ROBIN
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default: LEAST_CONNECTIONS
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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 load balancer
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default: null
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port:
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description:
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- Port for the balancer being created
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default: 80
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protocol:
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description:
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- Protocol for the balancer being created
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choices:
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- DNS_TCP
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- DNS_UDP
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- FTP
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- HTTP
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- HTTPS
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- IMAPS
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- IMAPv4
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- LDAP
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- LDAPS
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- MYSQL
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- POP3
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- POP3S
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- SMTP
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- TCP
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- TCP_CLIENT_FIRST
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- UDP
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- UDP_STREAM
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- SFTP
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default: HTTP
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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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timeout:
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description:
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- timeout for communication between the balancer and the node
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default: 30
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type:
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description:
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- type of interface for the balancer being created
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choices:
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- PUBLIC
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- SERVICENET
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default: PUBLIC
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vip_id:
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description:
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- Virtual IP ID to use when creating the load balancer for purposes of
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sharing an IP with another load balancer of another protocol
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version_added: 1.5
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wait:
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description:
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- wait for the balancer to be in state 'running' before returning
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default: "no"
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choices:
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- "yes"
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- "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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author: Christopher H. Laco, Matt Martz
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extends_documentation_fragment: rackspace
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'''
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EXAMPLES = '''
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- name: Build a Load Balancer
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gather_facts: False
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hosts: local
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connection: local
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tasks:
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- name: Load Balancer create request
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local_action:
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module: rax_clb
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credentials: ~/.raxpub
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name: my-lb
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port: 8080
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protocol: HTTP
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type: SERVICENET
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timeout: 30
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region: DFW
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wait: yes
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state: present
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meta:
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app: my-cool-app
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register: my_lb
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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 cloud_load_balancer(module, state, name, meta, algorithm, port, protocol,
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vip_type, timeout, wait, wait_timeout, vip_id):
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for arg in (state, name, port, protocol, vip_type):
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if not arg:
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module.fail_json(msg='%s is required for rax_clb' % arg)
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if int(timeout) < 30:
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module.fail_json(msg='"timeout" must be greater than or equal to 30')
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changed = False
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balancers = []
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clb = pyrax.cloud_loadbalancers
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if not clb:
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module.fail_json(msg='Failed to instantiate client. This '
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'typically indicates an invalid region or an '
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'incorrectly capitalized region name.')
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for balancer in clb.list():
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if name != balancer.name and name != balancer.id:
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continue
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balancers.append(balancer)
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if len(balancers) > 1:
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module.fail_json(msg='Multiple Load Balancers were matched by name, '
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'try using the Load Balancer ID instead')
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if state == 'present':
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if isinstance(meta, dict):
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metadata = [dict(key=k, value=v) for k, v in meta.items()]
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if not balancers:
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try:
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virtual_ips = [clb.VirtualIP(type=vip_type, id=vip_id)]
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balancer = clb.create(name, metadata=metadata, port=port,
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algorithm=algorithm, protocol=protocol,
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timeout=timeout, virtual_ips=virtual_ips)
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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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else:
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balancer = balancers[0]
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setattr(balancer, 'metadata',
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[dict(key=k, value=v) for k, v in
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balancer.get_metadata().items()])
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atts = {
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'name': name,
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'algorithm': algorithm,
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'port': port,
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'protocol': protocol,
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'timeout': timeout
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}
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for att, value in atts.iteritems():
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current = getattr(balancer, att)
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if current != value:
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changed = True
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if changed:
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balancer.update(**atts)
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if balancer.metadata != metadata:
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balancer.set_metadata(meta)
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changed = True
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virtual_ips = [clb.VirtualIP(type=vip_type)]
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current_vip_types = set([v.type for v in balancer.virtual_ips])
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vip_types = set([v.type for v in virtual_ips])
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if current_vip_types != vip_types:
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module.fail_json(msg='Load balancer Virtual IP type cannot '
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'be changed')
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if wait:
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attempts = wait_timeout / 5
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pyrax.utils.wait_for_build(balancer, interval=5, attempts=attempts)
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balancer.get()
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instance = rax_to_dict(balancer, 'clb')
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result = dict(changed=changed, balancer=instance)
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if balancer.status == 'ERROR':
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result['msg'] = '%s failed to build' % balancer.id
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elif wait and balancer.status not in ('ACTIVE', 'ERROR'):
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result['msg'] = 'Timeout waiting on %s' % balancer.id
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if 'msg' in result:
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module.fail_json(**result)
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else:
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module.exit_json(**result)
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elif state == 'absent':
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if balancers:
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balancer = balancers[0]
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try:
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balancer.delete()
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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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instance = rax_to_dict(balancer, 'clb')
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if wait:
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attempts = wait_timeout / 5
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pyrax.utils.wait_until(balancer, 'status', ('DELETED'),
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interval=5, attempts=attempts)
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else:
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instance = {}
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module.exit_json(changed=changed, balancer=instance)
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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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algorithm=dict(choices=CLB_ALGORITHMS,
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default='LEAST_CONNECTIONS'),
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meta=dict(type='dict', default={}),
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name=dict(),
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port=dict(type='int', default=80),
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protocol=dict(choices=CLB_PROTOCOLS, default='HTTP'),
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state=dict(default='present', choices=['present', 'absent']),
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timeout=dict(type='int', default=30),
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type=dict(choices=['PUBLIC', 'SERVICENET'], default='PUBLIC'),
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vip_id=dict(),
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wait=dict(type='bool'),
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wait_timeout=dict(default=300),
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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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algorithm = module.params.get('algorithm')
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meta = module.params.get('meta')
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name = module.params.get('name')
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port = module.params.get('port')
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protocol = module.params.get('protocol')
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state = module.params.get('state')
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timeout = int(module.params.get('timeout'))
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vip_id = module.params.get('vip_id')
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vip_type = module.params.get('type')
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wait = module.params.get('wait')
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wait_timeout = int(module.params.get('wait_timeout'))
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setup_rax_module(module, pyrax)
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cloud_load_balancer(module, state, name, meta, algorithm, port, protocol,
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vip_type, timeout, wait, wait_timeout, vip_id)
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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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