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354 lines
10 KiB
Python
354 lines
10 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# (c) 2015, Darren Worrall <darren@iweb.co.uk>
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# (c) 2015, René Moser <mail@renemoser.net>
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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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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['stableinterface'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: cs_loadbalancer_rule
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short_description: Manages load balancer rules on Apache CloudStack based clouds.
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description:
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- Add, update and remove load balancer rules.
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version_added: '2.0'
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author:
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- "Darren Worrall (@dazworrall)"
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- "René Moser (@resmo)"
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options:
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name:
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description:
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- The name of the load balancer rule.
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required: true
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description:
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description:
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- The description of the load balancer rule.
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algorithm:
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description:
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- Load balancer algorithm
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- Required when using C(state=present).
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choices: [ 'source', 'roundrobin', 'leastconn' ]
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default: 'source'
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private_port:
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description:
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- The private port of the private ip address/virtual machine where the network traffic will be load balanced to.
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- Required when using C(state=present).
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- Can not be changed once the rule exists due API limitation.
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public_port:
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description:
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- The public port from where the network traffic will be load balanced from.
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- Required when using C(state=present).
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- Can not be changed once the rule exists due API limitation.
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required: true
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ip_address:
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description:
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- Public IP address from where the network traffic will be load balanced from.
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required: true
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aliases: [ 'public_ip' ]
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open_firewall:
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description:
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- Whether the firewall rule for public port should be created, while creating the new rule.
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- Use M(cs_firewall) for managing firewall rules.
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type: bool
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default: 'no'
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cidr:
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description:
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- CIDR (full notation) to be used for firewall rule if required.
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protocol:
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description:
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- The protocol to be used on the load balancer
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project:
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description:
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- Name of the project the load balancer IP address is related to.
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state:
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description:
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- State of the rule.
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default: 'present'
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choices: [ 'present', 'absent' ]
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domain:
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description:
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- Domain the rule is related to.
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account:
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description:
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- Account the rule is related to.
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zone:
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description:
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- Name of the zone in which the rule should be created.
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- If not set, default zone is used.
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extends_documentation_fragment: cloudstack
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'''
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EXAMPLES = '''
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# Create a load balancer rule
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- local_action:
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module: cs_loadbalancer_rule
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name: balance_http
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public_ip: 1.2.3.4
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algorithm: leastconn
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public_port: 80
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private_port: 8080
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# update algorithm of an existing load balancer rule
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- local_action:
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module: cs_loadbalancer_rule
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name: balance_http
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public_ip: 1.2.3.4
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algorithm: roundrobin
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public_port: 80
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private_port: 8080
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# Delete a load balancer rule
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- local_action:
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module: cs_loadbalancer_rule
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name: balance_http
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public_ip: 1.2.3.4
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state: absent
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'''
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RETURN = '''
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---
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id:
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description: UUID of the rule.
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returned: success
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type: string
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sample: a6f7a5fc-43f8-11e5-a151-feff819cdc9f
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zone:
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description: Name of zone the rule is related to.
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returned: success
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type: string
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sample: ch-gva-2
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project:
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description: Name of project the rule is related to.
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returned: success
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type: string
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sample: Production
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account:
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description: Account the rule is related to.
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returned: success
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type: string
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sample: example account
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domain:
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description: Domain the rule is related to.
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returned: success
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type: string
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sample: example domain
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algorithm:
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description: Load balancer algorithm used.
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returned: success
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type: string
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sample: "source"
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cidr:
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description: CIDR to forward traffic from.
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returned: success
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type: string
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sample: ""
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name:
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description: Name of the rule.
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returned: success
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type: string
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sample: "http-lb"
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description:
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description: Description of the rule.
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returned: success
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type: string
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sample: "http load balancer rule"
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protocol:
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description: Protocol of the rule.
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returned: success
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type: string
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sample: "tcp"
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public_port:
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description: Public port.
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returned: success
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type: string
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sample: 80
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private_port:
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description: Private IP address.
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returned: success
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type: string
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sample: 80
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public_ip:
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description: Public IP address.
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returned: success
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type: string
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sample: "1.2.3.4"
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tags:
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description: List of resource tags associated with the rule.
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returned: success
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type: dict
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sample: '[ { "key": "foo", "value": "bar" } ]'
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state:
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description: State of the rule.
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returned: success
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type: string
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sample: "Add"
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'''
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.cloudstack import (
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AnsibleCloudStack,
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cs_argument_spec,
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cs_required_together,
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)
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class AnsibleCloudStackLBRule(AnsibleCloudStack):
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def __init__(self, module):
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super(AnsibleCloudStackLBRule, self).__init__(module)
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self.returns = {
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'publicip': 'public_ip',
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'algorithm': 'algorithm',
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'cidrlist': 'cidr',
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'protocol': 'protocol',
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}
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# these values will be casted to int
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self.returns_to_int = {
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'publicport': 'public_port',
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'privateport': 'private_port',
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}
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def get_rule(self, **kwargs):
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rules = self.query_api('listLoadBalancerRules', **kwargs)
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if rules:
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return rules['loadbalancerrule'][0]
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def _get_common_args(self):
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return {
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'account': self.get_account(key='name'),
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'domainid': self.get_domain(key='id'),
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'projectid': self.get_project(key='id'),
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'zoneid': self.get_zone(key='id') if self.module.params.get('zone') else None,
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'publicipid': self.get_ip_address(key='id'),
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'name': self.module.params.get('name'),
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}
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def present_lb_rule(self):
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required_params = [
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'algorithm',
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'private_port',
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'public_port',
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]
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self.module.fail_on_missing_params(required_params=required_params)
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args = self._get_common_args()
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rule = self.get_rule(**args)
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if rule:
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rule = self._update_lb_rule(rule)
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else:
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rule = self._create_lb_rule(rule)
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if rule:
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rule = self.ensure_tags(resource=rule, resource_type='LoadBalancer')
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return rule
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def _create_lb_rule(self, rule):
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self.result['changed'] = True
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if not self.module.check_mode:
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args = self._get_common_args()
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args.update({
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'algorithm': self.module.params.get('algorithm'),
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'privateport': self.module.params.get('private_port'),
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'publicport': self.module.params.get('public_port'),
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'cidrlist': self.module.params.get('cidr'),
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'description': self.module.params.get('description'),
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'protocol': self.module.params.get('protocol'),
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})
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res = self.query_api('createLoadBalancerRule', **args)
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poll_async = self.module.params.get('poll_async')
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if poll_async:
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rule = self.poll_job(res, 'loadbalancer')
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return rule
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def _update_lb_rule(self, rule):
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args = {
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'id': rule['id'],
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'algorithm': self.module.params.get('algorithm'),
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'description': self.module.params.get('description'),
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}
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if self.has_changed(args, rule):
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self.result['changed'] = True
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if not self.module.check_mode:
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res = self.query_api('updateLoadBalancerRule', **args)
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poll_async = self.module.params.get('poll_async')
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if poll_async:
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rule = self.poll_job(res, 'loadbalancer')
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return rule
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def absent_lb_rule(self):
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args = self._get_common_args()
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rule = self.get_rule(**args)
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if rule:
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self.result['changed'] = True
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if rule and not self.module.check_mode:
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res = self.query_api('deleteLoadBalancerRule', id=rule['id'])
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poll_async = self.module.params.get('poll_async')
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if poll_async:
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self.poll_job(res, 'loadbalancer')
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return rule
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def main():
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argument_spec = cs_argument_spec()
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argument_spec.update(dict(
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name=dict(required=True),
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description=dict(),
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algorithm=dict(choices=['source', 'roundrobin', 'leastconn'], default='source'),
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private_port=dict(type='int'),
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public_port=dict(type='int'),
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protocol=dict(),
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state=dict(choices=['present', 'absent'], default='present'),
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ip_address=dict(required=True, aliases=['public_ip']),
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cidr=dict(),
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project=dict(),
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open_firewall=dict(type='bool', default=False),
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tags=dict(type='list', aliases=['tag']),
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zone=dict(),
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domain=dict(),
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account=dict(),
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poll_async=dict(type='bool', default=True),
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))
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module = AnsibleModule(
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argument_spec=argument_spec,
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required_together=cs_required_together(),
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supports_check_mode=True
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)
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acs_lb_rule = AnsibleCloudStackLBRule(module)
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state = module.params.get('state')
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if state in ['absent']:
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rule = acs_lb_rule.absent_lb_rule()
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else:
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rule = acs_lb_rule.present_lb_rule()
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result = acs_lb_rule.get_result(rule)
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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