1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#!/usr/bin/python
#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
version_added: 1.4
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()
# import module snippets
from ansible.module_utils.basic import *
main()
|
