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124 lines
3.6 KiB
Python
124 lines
3.6 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright: (c) 2013, David Stygstra <david.stygstra@gmail.com>
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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DOCUMENTATION = '''
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---
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module: modprobe
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short_description: Load or unload kernel modules
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author:
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- David Stygstra (@stygstra)
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- Julien Dauphant (@jdauphant)
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- Matt Jeffery (@mattjeffery)
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description:
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- Load or unload kernel modules.
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options:
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name:
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required: true
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description:
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- Name of kernel module to manage.
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state:
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description:
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- Whether the module should be present or absent.
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choices: [ absent, present ]
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default: present
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params:
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description:
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- Modules parameters.
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default: ''
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'''
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EXAMPLES = '''
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- name: Add the 802.1q module
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modprobe:
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name: 8021q
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state: present
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- name: Add the dummy module
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modprobe:
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name: dummy
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state: present
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params: 'numdummies=2'
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'''
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import os.path
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import shlex
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import traceback
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils._text import to_native
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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name=dict(type='str', required=True),
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state=dict(type='str', default='present', choices=['absent', 'present']),
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params=dict(type='str', default=''),
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),
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supports_check_mode=True,
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)
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name = module.params['name']
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params = module.params['params']
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state = module.params['state']
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# FIXME: Adding all parameters as result values is useless
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result = dict(
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changed=False,
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name=name,
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params=params,
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state=state,
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)
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# Check if module is present
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try:
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present = False
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with open('/proc/modules') as modules:
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module_name = name.replace('-', '_') + ' '
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for line in modules:
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if line.startswith(module_name):
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present = True
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break
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if not present:
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command = [module.get_bin_path('uname', True), '-r']
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rc, uname_kernel_release, err = module.run_command(command)
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module_file = '/' + name + '.ko'
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builtin_path = os.path.join('/lib/modules/', uname_kernel_release.strip(),
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'modules.builtin')
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with open(builtin_path) as builtins:
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for line in builtins:
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if line.endswith(module_file):
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present = True
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break
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except IOError as e:
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module.fail_json(msg=to_native(e), exception=traceback.format_exc(), **result)
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# Add/remove module as needed
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if state == 'present':
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if not present:
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if not module.check_mode:
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command = [module.get_bin_path('modprobe', True), name]
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command.extend(shlex.split(params))
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rc, out, err = module.run_command(command)
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if rc != 0:
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module.fail_json(msg=err, rc=rc, stdout=out, stderr=err, **result)
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result['changed'] = True
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elif state == 'absent':
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if present:
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if not module.check_mode:
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rc, out, err = module.run_command([module.get_bin_path('modprobe', True), '-r', name])
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if rc != 0:
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module.fail_json(msg=err, rc=rc, stdout=out, stderr=err, **result)
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result['changed'] = True
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module.exit_json(**result)
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if __name__ == '__main__':
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main()
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