ansible/library/system/modprobe
2014-06-20 11:12:49 -05:00

115 lines
3.3 KiB
Python

#!/usr/bin/python
#coding: utf-8 -*-
# (c) 2013, David Stygstra <david.stygstra@gmail.com>
#
# This file is part of Ansible
#
# 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: modprobe
short_description: Add or remove kernel modules
requirements: []
version_added: 1.4
author: David Stygstra, Julien Dauphant, Matt Jeffery
description:
- Add or remove kernel modules.
options:
name:
required: true
description:
- Name of kernel module to manage.
state:
required: false
default: "present"
choices: [ present, absent ]
description:
- Whether the module should be present or absent.
params:
required: false
default: ""
version_added: "1.6"
description:
- Modules parameters.
'''
EXAMPLES = '''
# Add the 802.1q module
- modprobe: name=8021q state=present
# Add the dummy module
- modprobe: name=dummy state=present params="numdummies=2"
'''
def main():
module = AnsibleModule(
argument_spec={
'name': {'required': True},
'state': {'default': 'present', 'choices': ['present', 'absent']},
'params': {'default': ''},
},
supports_check_mode=True,
)
args = {
'changed': False,
'failed': False,
'name': module.params['name'],
'state': module.params['state'],
'params': module.params['params'],
}
# Check if module is present
try:
modules = open('/proc/modules')
present = False
module_name = args['name'].replace('-', '_') + ' '
for line in modules:
if line.startswith(module_name):
present = True
break
modules.close()
except IOError, e:
module.fail_json(msg=str(e), **args)
# Check only; don't modify
if module.check_mode:
if args['state'] == 'present' and not present:
changed = True
elif args['state'] == 'absent' and present:
changed = True
else:
changed = False
module.exit_json(changed=changed)
# Add/remove module as needed
if args['state'] == 'present':
if not present:
rc, _, err = module.run_command(['modprobe', args['name'], args['params']])
if rc != 0:
module.fail_json(msg=err, **args)
args['changed'] = True
elif args['state'] == 'absent':
if present:
rc, _, err = module.run_command(['rmmod', args['name']])
if rc != 0:
module.fail_json(msg=err, **args)
args['changed'] = True
module.exit_json(**args)
# import module snippets
from ansible.module_utils.basic import *
main()