mirror of https://github.com/ansible/ansible.git
Merge pull request #4161 from stygstra/openvswitch-modules
Modules for managing Open vSwitch bridges and portsreviewable/pr18780/r1
jctanner
11 years ago
commit
cb16d15a9b
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#!/usr/bin/env python2
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#coding: utf-8 -*-
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# This module 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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# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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module: openvswitch_bridge
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short_description: Manage Open vSwitch bridges
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requirements: [ ovs-vsctl ]
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description:
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- Manage Open vSwitch bridges
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options:
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bridge:
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required: true
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description:
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- Name of bridge to manage
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state:
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required: false
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default: "present"
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choices: [ present, absent ]
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description:
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- Whether the bridge should exist
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timeout:
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required: false
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default: 5
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description:
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- How long to wait for ovs-vswitchd to respond
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'''
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EXAMPLES = '''
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# Create a bridge named br-int
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- openvswitch_bridge: bridge=br-int state=present
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'''
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class OVSBridge(object):
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def __init__(self, module):
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self.module = module
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self.bridge = module.params['bridge']
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self.state = module.params['state']
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self.timeout = module.params['timeout']
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def _vsctl(self, command):
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'''Run ovs-vsctl command'''
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return self.module.run_command(['ovs-vsctl', '-t', str(self.timeout)] + command)
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def exists(self):
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'''Check if the bridge already exists'''
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rc, _, err = self._vsctl(['br-exists', self.bridge])
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if rc == 0: # See ovs-vsctl(8) for status codes
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return True
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if rc == 2:
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return False
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raise Exception(err)
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def add(self):
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'''Create the bridge'''
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rc, _, err = self._vsctl(['add-br', self.bridge])
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if rc != 0:
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raise Exception(err)
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def delete(self):
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'''Delete the bridge'''
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rc, _, err = self._vsctl(['del-br', self.bridge])
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if rc != 0:
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raise Exception(err)
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def check(self):
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'''Run check mode'''
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try:
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if self.state == 'absent' and self.exists():
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changed = True
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elif self.state == 'present' and not self.exists():
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changed = True
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else:
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changed = False
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except Exception, e:
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self.module.fail_json(msg=str(e))
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self.module.exit_json(changed=changed)
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def run(self):
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'''Make the necessary changes'''
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changed = False
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try:
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if self.state == 'absent':
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if self.exists():
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self.delete()
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changed = True
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elif self.state == 'present':
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if not self.exists():
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self.add()
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changed = True
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except Exception, e:
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self.module.fail_json(msg=str(e))
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self.module.exit_json(changed=changed)
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def main():
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module = AnsibleModule(
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argument_spec={
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'bridge': {'required': True},
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'state': {'default': 'present', 'choices': ['present', 'absent']},
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'timeout': {'default': 5, 'type': 'int'}
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},
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supports_check_mode=True,
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)
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br = OVSBridge(module)
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if module.check_mode:
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br.check()
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else:
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br.run()
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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@ -0,0 +1,133 @@
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#!/usr/bin/env python2
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#coding: utf-8 -*-
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# This module 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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# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
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DOCUMENTATION = '''
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---
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module: openvswitch_port
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short_description: Manage Open vSwitch ports
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requirements: [ ovs-vsctl ]
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description:
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- Manage Open vSwitch ports
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options:
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bridge:
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required: true
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description:
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- Name of bridge to manage
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port:
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required: true
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description:
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- Name of port to manage on the bridge
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state:
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required: false
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default: "present"
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choices: [ present, absent ]
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description:
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- Whether the port should exist
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timeout:
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required: false
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default: 5
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description:
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- How long to wait for ovs-vswitchd to respond
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'''
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EXAMPLES = '''
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# Creates port eth2 on bridge br-ex
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- openvswitch_port: bridge=br-ex port=eth2 state=present
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'''
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class OVSPort(object):
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def __init__(self, module):
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self.module = module
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self.bridge = module.params['bridge']
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self.port = module.params['port']
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self.state = module.params['state']
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self.timeout = module.params['timeout']
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def _vsctl(self, command):
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'''Run ovs-vsctl command'''
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return self.module.run_command(['ovs-vsctl', '-t', str(self.timeout)] + command)
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def exists(self):
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'''Check if the port already exists'''
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rc, out, err = self._vsctl(['list-ports', self.bridge])
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if rc != 0:
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raise Exception(err)
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return any(port.rstrip() == self.port for port in out.split('\n'))
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def add(self):
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'''Add the port'''
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rc, _, err = self._vsctl(['add-port', self.bridge, self.port])
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if rc != 0:
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raise Exception(err)
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def delete(self):
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'''Remove the port'''
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rc, _, err = self._vsctl(['del-port', self.bridge, self.port])
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if rc != 0:
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raise Exception(err)
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def check(self):
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'''Run check mode'''
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try:
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if self.state == 'absent' and self.exists():
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changed = True
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elif self.state == 'present' and not self.exists():
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changed = True
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else:
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changed = False
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except Exception, e:
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self.module.fail_json(msg=str(e))
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self.module.exit_json(changed=changed)
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def run(self):
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'''Make the necessary changes'''
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changed = False
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try:
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if self.state == 'absent':
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if self.exists():
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self.delete()
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changed = True
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elif self.state == 'present':
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if not self.exists():
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self.add()
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changed = True
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except Exception, e:
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self.module.fail_json(msg=str(e))
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self.module.exit_json(changed=changed)
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def main():
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module = AnsibleModule(
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argument_spec={
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'bridge': {'required': True},
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'port': {'required': True},
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'state': {'default': 'present', 'choices': ['present', 'absent']},
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'timeout': {'default': 5, 'type': 'int'}
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},
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supports_check_mode=True,
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)
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port = OVSPort(module)
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if module.check_mode:
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port.check()
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else:
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port.run()
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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