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#!/usr/bin/env python2
#coding: utf-8 -*-
# This module 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.
#
# This software 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 this software. If not, see <http://www.gnu.org/licenses/>.
DOCUMENTATION = '''
---
module: openvswitch_bridge
short_description: Manage Open vSwitch bridges
requirements: [ ovs-vsctl ]
description:
- Manage Open vSwitch bridges
options:
bridge:
required: true
description:
- Name of bridge to manage
state:
required: false
default: "present"
choices: [ present, absent ]
description:
- Whether the bridge should exist
timeout:
required: false
default: 5
description:
- How long to wait for ovs-vswitchd to respond
'''
EXAMPLES = '''
# Create a bridge named br-int
- openvswitch_bridge: bridge=br-int state=present
'''
class OVSBridge(object):
def __init__(self, module):
self.module = module
self.bridge = module.params['bridge']
self.state = module.params['state']
self.timeout = module.params['timeout']
def _vsctl(self, command):
'''Run ovs-vsctl command'''
return self.module.run_command(['ovs-vsctl', '-t', str(self.timeout)] + command)
def exists(self):
'''Check if the bridge already exists'''
rc, _, err = self._vsctl(['br-exists', self.bridge])
if rc == 0: # See ovs-vsctl(8) for status codes
return True
if rc == 2:
return False
raise Exception(err)
def add(self):
'''Create the bridge'''
rc, _, err = self._vsctl(['add-br', self.bridge])
if rc != 0:
raise Exception(err)
def delete(self):
'''Delete the bridge'''
rc, _, err = self._vsctl(['del-br', self.bridge])
if rc != 0:
raise Exception(err)
def check(self):
'''Run check mode'''
try:
if self.state == 'absent' and self.exists():
changed = True
elif self.state == 'present' and not self.exists():
changed = True
else:
changed = False
except Exception, e:
self.module.fail_json(msg=str(e))
self.module.exit_json(changed=changed)
def run(self):
'''Make the necessary changes'''
changed = False
try:
if self.state == 'absent':
if self.exists():
self.delete()
changed = True
elif self.state == 'present':
if not self.exists():
self.add()
changed = True
except Exception, e:
self.module.fail_json(msg=str(e))
self.module.exit_json(changed=changed)
def main():
module = AnsibleModule(
argument_spec={
'bridge': {'required': True},
'state': {'default': 'present', 'choices': ['present', 'absent']},
'timeout': {'default': 5, 'type': 'int'}
},
supports_check_mode=True,
)
br = OVSBridge(module)
if module.check_mode:
br.check()
else:
br.run()
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()
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