cloudstack: add new loadbalancer rule modules
This commit is contained in:
Rene Moser
Matt Clay
parent
29d6313366
commit
ea6fdeb585
2 changed files with 763 additions and 0 deletions
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@ -0,0 +1,394 @@
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#!/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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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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required: false
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default: null
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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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required: false
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choices: [ 'source', 'roundrobin', 'leastconn' ]
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default: 'source'
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protocol:
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description:
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- Protocol for the load balancer rule.
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required: false
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default: null
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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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required: false
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default: null
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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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default: null
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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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required: false
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default: false
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cidr:
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description:
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required: false
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default: null
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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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- CIDR (full notation) to be used for firewall rule if required.
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required: false
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default: null
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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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required: false
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default: null
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state:
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description:
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- State of the rule.
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required: true
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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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required: false
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default: null
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account:
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description:
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- Account the rule is related to.
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required: false
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default: null
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zone:
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description:
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- Name of the zone in which the rule shoud be created.
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- If not set, default zone is used.
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required: false
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default: null
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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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try:
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from cs import CloudStack, CloudStackException, read_config
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has_lib_cs = True
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except ImportError:
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has_lib_cs = False
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# import cloudstack common
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from ansible.module_utils.cloudstack import *
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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.cs.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'),
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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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missing_params = []
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for required_params in [
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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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if not self.module.params.get(required_params):
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missing_params.append(required_params)
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if missing_params:
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self.module.fail_json(msg="missing required arguments: %s" % ','.join(missing_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['algorithm'] = self.module.params.get('algorithm')
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args['privateport'] = self.module.params.get('private_port')
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args['publicport'] = self.module.params.get('public_port')
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args['cidrlist'] = self.module.params.get('cidr')
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args['description'] = self.module.params.get('description')
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args['protocol'] = self.module.params.get('protocol')
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res = self.cs.createLoadBalancerRule(**args)
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if 'errortext' in res:
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self.module.fail_json(msg="Failed: '%s'" % res['errortext'])
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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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args['id'] = rule['id']
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args['algorithm'] = self.module.params.get('algorithm')
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args['description'] = self.module.params.get('description')
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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.cs.updateLoadBalancerRule(**args)
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if 'errortext' in res:
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self.module.fail_json(msg="Failed: '%s'" % res['errortext'])
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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.cs.deleteLoadBalancerRule(id=rule['id'])
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if 'errortext' in res:
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self.module.fail_json(msg="Failed: '%s'" % res['errortext'])
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poll_async = self.module.params.get('poll_async')
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if poll_async:
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res = 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(default=None),
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algorithm = dict(choices=['source', 'roundrobin', 'leastconn'], default='source'),
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private_port = dict(type='int', default=None),
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public_port = dict(type='int', default=None),
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protocol = dict(default=None),
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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(default=None),
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project = dict(default=None),
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open_firewall = dict(choices=BOOLEANS, default=False),
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tags = dict(type='list', aliases=['tag'], default=None),
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zone = dict(default=None),
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domain = dict(default=None),
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account = dict(default=None),
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poll_async = dict(choices=BOOLEANS, 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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if not has_lib_cs:
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module.fail_json(msg="python library cs required: pip install cs")
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try:
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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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except CloudStackException, e:
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module.fail_json(msg='CloudStackException: %s' % str(e))
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module.exit_json(**result)
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# import module snippets
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from ansible.module_utils.basic import *
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if __name__ == '__main__':
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main()
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@ -0,0 +1,369 @@
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#!/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
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
#
|
||||
# Ansible is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
#
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# 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: cs_loadbalancer_rule_member
|
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short_description: Manages load balancer rule members on Apache CloudStack based clouds.
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description:
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- Add and remove load balancer rule members.
|
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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)"
|
||||
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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ip_address:
|
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description:
|
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- Public IP address from where the network traffic will be load balanced from.
|
||||
- Only needed to find the rule if C(name) is not unique.
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required: false
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default: null
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aliases: [ 'public_ip' ]
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vms:
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description:
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- List of VMs to assign to or remove from the rule.
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required: true
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type: list
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aliases: [ 'vm' ]
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state:
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description:
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- Should the VMs be present or absent from the rule.
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required: true
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default: 'present'
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choices: [ 'present', 'absent' ]
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project:
|
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description:
|
||||
- Name of the project the firewall rule is related to.
|
||||
required: false
|
||||
default: null
|
||||
domain:
|
||||
description:
|
||||
- Domain the rule is related to.
|
||||
required: false
|
||||
default: null
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||||
account:
|
||||
description:
|
||||
- Account the rule is related to.
|
||||
required: false
|
||||
default: null
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||||
zone:
|
||||
description:
|
||||
- Name of the zone in which the rule should be located.
|
||||
- If not set, default zone is used.
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||||
required: false
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||||
default: null
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||||
extends_documentation_fragment: cloudstack
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'''
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EXAMPLES = '''
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# Add VMs to an exising load balancer
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||||
- local_action:
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module: cs_loadbalancer_rule_member
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||||
name: balance_http
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vms:
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- web01
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||||
- web02
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||||
|
||||
# Remove a VM from an existing load balancer
|
||||
- local_action:
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module: cs_loadbalancer_rule_member
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||||
name: balance_http
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||||
vms:
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||||
- web01
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||||
- web02
|
||||
state: absent
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||||
|
||||
# Rolling upgrade of hosts
|
||||
- hosts: webservers
|
||||
serial: 1
|
||||
pre_tasks:
|
||||
- name: Remove from load balancer
|
||||
local_action:
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module: cs_loadbalancer_rule_member
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||||
name: balance_http
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||||
vm: "{{ ansible_hostname }}"
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||||
state: absent
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||||
tasks:
|
||||
# Perform update
|
||||
post_tasks:
|
||||
- name: Add to load balancer
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||||
local_action:
|
||||
module: cs_loadbalancer_rule_member
|
||||
name: balance_http
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||||
vm: "{{ ansible_hostname }}"
|
||||
state: present
|
||||
'''
|
||||
|
||||
RETURN = '''
|
||||
---
|
||||
id:
|
||||
description: UUID of the rule.
|
||||
returned: success
|
||||
type: string
|
||||
sample: a6f7a5fc-43f8-11e5-a151-feff819cdc9f
|
||||
zone:
|
||||
description: Name of zone the rule is related to.
|
||||
returned: success
|
||||
type: string
|
||||
sample: ch-gva-2
|
||||
project:
|
||||
description: Name of project the rule is related to.
|
||||
returned: success
|
||||
type: string
|
||||
sample: Production
|
||||
account:
|
||||
description: Account the rule is related to.
|
||||
returned: success
|
||||
type: string
|
||||
sample: example account
|
||||
domain:
|
||||
description: Domain the rule is related to.
|
||||
returned: success
|
||||
type: string
|
||||
sample: example domain
|
||||
algorithm:
|
||||
description: Load balancer algorithm used.
|
||||
returned: success
|
||||
type: string
|
||||
sample: "source"
|
||||
cidr:
|
||||
description: CIDR to forward traffic from.
|
||||
returned: success
|
||||
type: string
|
||||
sample: ""
|
||||
name:
|
||||
description: Name of the rule.
|
||||
returned: success
|
||||
type: string
|
||||
sample: "http-lb"
|
||||
description:
|
||||
description: Description of the rule.
|
||||
returned: success
|
||||
type: string
|
||||
sample: "http load balancer rule"
|
||||
protocol:
|
||||
description: Protocol of the rule.
|
||||
returned: success
|
||||
type: string
|
||||
sample: "tcp"
|
||||
public_port:
|
||||
description: Public port.
|
||||
returned: success
|
||||
type: string
|
||||
sample: 80
|
||||
private_port:
|
||||
description: Private IP address.
|
||||
returned: success
|
||||
type: string
|
||||
sample: 80
|
||||
public_ip:
|
||||
description: Public IP address.
|
||||
returned: success
|
||||
type: string
|
||||
sample: "1.2.3.4"
|
||||
vms:
|
||||
description: Rule members.
|
||||
returned: success
|
||||
type: list
|
||||
sample: '[ "web01", "web02" ]'
|
||||
tags:
|
||||
description: List of resource tags associated with the rule.
|
||||
returned: success
|
||||
type: dict
|
||||
sample: '[ { "key": "foo", "value": "bar" } ]'
|
||||
state:
|
||||
description: State of the rule.
|
||||
returned: success
|
||||
type: string
|
||||
sample: "Add"
|
||||
'''
|
||||
|
||||
try:
|
||||
from cs import CloudStack, CloudStackException, read_config
|
||||
has_lib_cs = True
|
||||
except ImportError:
|
||||
has_lib_cs = False
|
||||
|
||||
# import cloudstack common
|
||||
from ansible.module_utils.cloudstack import *
|
||||
|
||||
class AnsibleCloudStackLBRuleMember(AnsibleCloudStack):
|
||||
|
||||
def __init__(self, module):
|
||||
super(AnsibleCloudStackLBRuleMember, self).__init__(module)
|
||||
self.returns = {
|
||||
'publicip': 'public_ip',
|
||||
'algorithm': 'algorithm',
|
||||
'cidrlist': 'cidr',
|
||||
'protocol': 'protocol',
|
||||
}
|
||||
# these values will be casted to int
|
||||
self.returns_to_int = {
|
||||
'publicport': 'public_port',
|
||||
'privateport': 'private_port',
|
||||
}
|
||||
|
||||
|
||||
def get_rule(self):
|
||||
args = self._get_common_args()
|
||||
args['name'] = self.module.params.get('name')
|
||||
args['zoneid'] = self.get_zone(key='id')
|
||||
if self.module.params.get('ip_address'):
|
||||
args['publicipid'] = self.get_ip_address(key='id')
|
||||
rules = self.cs.listLoadBalancerRules(**args)
|
||||
if rules:
|
||||
if len(rules['loadbalancerrule']) > 1:
|
||||
self.module.fail_json(msg="More than one rule having name %s. Please pass 'ip_address' as well." % args['name'])
|
||||
return rules['loadbalancerrule'][0]
|
||||
return None
|
||||
|
||||
|
||||
def _get_common_args(self):
|
||||
return {
|
||||
'account': self.get_account(key='name'),
|
||||
'domainid': self.get_domain(key='id'),
|
||||
'projectid': self.get_project(key='id'),
|
||||
}
|
||||
|
||||
|
||||
def _get_members_of_rule(self, rule):
|
||||
res = self.cs.listLoadBalancerRuleInstances(id=rule['id'])
|
||||
if 'errortext' in res:
|
||||
self.module.fail_json(msg="Failed: '%s'" % res['errortext'])
|
||||
return res.get('loadbalancerruleinstance', [])
|
||||
|
||||
|
||||
def _ensure_members(self, operation):
|
||||
if operation not in ['add', 'remove']:
|
||||
self.module.fail_json(msg="Bad operation: %s" % operation)
|
||||
|
||||
rule = self.get_rule()
|
||||
if not rule:
|
||||
self.module.fail_json(msg="Unknown rule: %s" % self.module.params.get('name'))
|
||||
|
||||
existing = {}
|
||||
for vm in self._get_members_of_rule(rule=rule):
|
||||
existing[vm['name']] = vm['id']
|
||||
|
||||
wanted_names = self.module.params.get('vms')
|
||||
|
||||
if operation =='add':
|
||||
cs_func = self.cs.assignToLoadBalancerRule
|
||||
to_change = set(wanted_names) - set(existing.keys())
|
||||
else:
|
||||
cs_func = self.cs.removeFromLoadBalancerRule
|
||||
to_change = set(wanted_names) & set(existing.keys())
|
||||
|
||||
if not to_change:
|
||||
return rule
|
||||
|
||||
args = self._get_common_args()
|
||||
vms = self.cs.listVirtualMachines(**args)
|
||||
to_change_ids = []
|
||||
for name in to_change:
|
||||
for vm in vms.get('virtualmachine', []):
|
||||
if vm['name'] == name:
|
||||
to_change_ids.append(vm['id'])
|
||||
break
|
||||
else:
|
||||
self.module.fail_json(msg="Unknown VM: %s" % name)
|
||||
|
||||
if to_change_ids:
|
||||
self.result['changed'] = True
|
||||
|
||||
if to_change_ids and not self.module.check_mode:
|
||||
res = cs_func(
|
||||
id = rule['id'],
|
||||
virtualmachineids = to_change_ids,
|
||||
)
|
||||
if 'errortext' in res:
|
||||
self.module.fail_json(msg="Failed: '%s'" % res['errortext'])
|
||||
poll_async = self.module.params.get('poll_async')
|
||||
if poll_async:
|
||||
self.poll_job(res)
|
||||
rule = self.get_rule()
|
||||
return rule
|
||||
|
||||
|
||||
def add_members(self):
|
||||
return self._ensure_members('add')
|
||||
|
||||
|
||||
def remove_members(self):
|
||||
return self._ensure_members('remove')
|
||||
|
||||
|
||||
def get_result(self, rule):
|
||||
super(AnsibleCloudStackLBRuleMember, self).get_result(rule)
|
||||
if rule:
|
||||
self.result['vms'] = []
|
||||
for vm in self._get_members_of_rule(rule=rule):
|
||||
self.result['vms'].append(vm['name'])
|
||||
return self.result
|
||||
|
||||
|
||||
def main():
|
||||
argument_spec = cs_argument_spec()
|
||||
argument_spec.update(dict(
|
||||
name = dict(required=True),
|
||||
ip_address = dict(default=None, aliases=['public_ip']),
|
||||
vms = dict(required=True, aliases=['vm'], type='list'),
|
||||
state = dict(choices=['present', 'absent'], default='present'),
|
||||
zone = dict(default=None),
|
||||
domain = dict(default=None),
|
||||
project = dict(default=None),
|
||||
account = dict(default=None),
|
||||
poll_async = dict(choices=BOOLEANS, default=True),
|
||||
))
|
||||
|
||||
module = AnsibleModule(
|
||||
argument_spec=argument_spec,
|
||||
required_together=cs_required_together(),
|
||||
supports_check_mode=True
|
||||
)
|
||||
|
||||
if not has_lib_cs:
|
||||
module.fail_json(msg="python library cs required: pip install cs")
|
||||
|
||||
try:
|
||||
acs_lb_rule_member = AnsibleCloudStackLBRuleMember(module)
|
||||
|
||||
state = module.params.get('state')
|
||||
if state in ['absent']:
|
||||
rule = acs_lb_rule_member.remove_members()
|
||||
else:
|
||||
rule = acs_lb_rule_member.add_members()
|
||||
|
||||
result = acs_lb_rule_member.get_result(rule)
|
||||
|
||||
except CloudStackException, e:
|
||||
module.fail_json(msg='CloudStackException: %s' % str(e))
|
||||
|
||||
module.exit_json(**result)
|
||||
|
||||
# import module snippets
|
||||
from ansible.module_utils.basic import *
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
Loading…
Reference in a new issue