mirror of
https://github.com/thegeeklab/ansible-later.git
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238 lines
6.7 KiB
Python
238 lines
6.7 KiB
Python
#!/usr/bin/python
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# Copyright: (c) 2017, Ansible Project
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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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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['stableinterface'],
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'supported_by': 'community'}
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DOCUMENTATION = '''
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---
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module: xattr
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version_added: "1.3"
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short_description: Manage user defined extended attributes
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description:
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- Manages filesystem user defined extended attributes, requires that they are enabled
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on the target filesystem and that the setfattr/getfattr utilities are present.
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options:
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path:
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description:
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- The full path of the file/object to get the facts of.
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- Before 2.3 this option was only usable as I(name).
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aliases: [ name ]
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required: true
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namespace:
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description:
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- Namespace of the named name/key.
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default: user
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version_added: "2.7"
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key:
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description:
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- The name of a specific Extended attribute key to set/retrieve.
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value:
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description:
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- The value to set the named name/key to, it automatically sets the C(state) to 'set'.
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state:
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description:
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- defines which state you want to do.
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C(read) retrieves the current value for a C(key) (default)
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C(present) sets C(name) to C(value), default if value is set
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C(all) dumps all data
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C(keys) retrieves all keys
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C(absent) deletes the key
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choices: [ absent, all, keys, present, read ]
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default: read
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follow:
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description:
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- If C(yes), dereferences symlinks and sets/gets attributes on symlink target,
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otherwise acts on symlink itself.
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type: bool
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default: 'yes'
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notes:
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- As of Ansible 2.3, the I(name) option has been changed to I(path) as default, but I(name) still works as well.
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author:
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- Brian Coca (@bcoca)
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'''
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EXAMPLES = '''
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- name: Obtain the extended attributes of /etc/foo.conf
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xattr:
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path: /etc/foo.conf
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- name: Set the key 'user.foo' to value 'bar'
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xattr:
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path: /etc/foo.conf
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key: foo
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value: bar
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- name: Set the key 'trusted.glusterfs.volume-id' to value '0x817b94343f164f199e5b573b4ea1f914'
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xattr:
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path: /mnt/bricks/brick1
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namespace: trusted
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key: glusterfs.volume-id
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value: "0x817b94343f164f199e5b573b4ea1f914"
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- name: Remove the key 'user.foo'
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xattr:
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path: /etc/foo.conf
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key: foo
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state: absent
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- name: Remove the key 'trusted.glusterfs.volume-id'
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xattr:
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path: /mnt/bricks/brick1
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namespace: trusted
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key: glusterfs.volume-id
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state: absent
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'''
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import os
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# import module snippets
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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 get_xattr_keys(module, path, follow):
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cmd = [module.get_bin_path('getfattr', True)]
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# prevents warning and not sure why it's not default
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cmd.append('--absolute-names')
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if not follow:
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cmd.append('-h')
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cmd.append(path)
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return _run_xattr(module, cmd)
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def get_xattr(module, path, key, follow):
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cmd = [module.get_bin_path('getfattr', True)]
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# prevents warning and not sure why it's not default
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cmd.append('--absolute-names')
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if not follow:
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cmd.append('-h')
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if key is None:
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cmd.append('-d')
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else:
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cmd.append('-n %s' % key)
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cmd.append(path)
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return _run_xattr(module, cmd, False)
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def set_xattr(module, path, key, value, follow):
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cmd = [module.get_bin_path('setfattr', True)]
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if not follow:
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cmd.append('-h')
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cmd.append('-n %s' % key)
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cmd.append('-v %s' % value)
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cmd.append(path)
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return _run_xattr(module, cmd)
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def rm_xattr(module, path, key, follow):
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cmd = [module.get_bin_path('setfattr', True)]
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if not follow:
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cmd.append('-h')
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cmd.append('-x %s' % key)
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cmd.append(path)
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return _run_xattr(module, cmd, False)
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def _run_xattr(module, cmd, check_rc=True):
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try:
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(rc, out, err) = module.run_command(' '.join(cmd), check_rc=check_rc)
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except Exception as e:
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module.fail_json(msg="%s!" % to_native(e))
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# result = {'raw': out}
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result = {}
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for line in out.splitlines():
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if line.startswith('#') or line == '':
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pass
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elif '=' in line:
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(key, val) = line.split('=')
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result[key] = val.strip('"')
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else:
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result[line] = ''
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return result
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def main():
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module = AnsibleModule(
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argument_spec=dict(
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path=dict(type='path', required=True, aliases=['name']),
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namespace=dict(type='str', default='user'),
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key=dict(type='str'),
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value=dict(type='str'),
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state=dict(type='str', default='read', choices=['absent', 'all', 'keys', 'present', 'read']),
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follow=dict(type='bool', default=True),
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),
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supports_check_mode=True,
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)
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path = module.params.get('path')
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namespace = module.params.get('namespace')
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key = module.params.get('key')
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value = module.params.get('value')
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state = module.params.get('state')
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follow = module.params.get('follow')
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if not os.path.exists(path):
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module.fail_json(msg="path not found or not accessible!")
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changed = False
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msg = ""
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res = {}
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if key is None and state in ['absent', 'present']:
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module.fail_json(msg="%s needs a key parameter" % state)
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# Prepend the key with the namespace if defined
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if (
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key is not None and
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namespace is not None and
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len(namespace) > 0 and
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not (namespace == 'user' and key.startswith('user.'))):
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key = '%s.%s' % (namespace, key)
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if (state == 'present' or value is not None):
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current = get_xattr(module, path, key, follow)
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if current is None or key not in current or value != current[key]:
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if not module.check_mode:
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res = set_xattr(module, path, key, value, follow)
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changed = True
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res = current
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msg = "%s set to %s" % (key, value)
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elif state == 'absent':
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current = get_xattr(module, path, key, follow)
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if current is not None and key in current:
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if not module.check_mode:
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res = rm_xattr(module, path, key, follow)
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changed = True
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res = current
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msg = "%s removed" % (key)
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elif state == 'keys':
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res = get_xattr_keys(module, path, follow)
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msg = "returning all keys"
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elif state == 'all':
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res = get_xattr(module, path, None, follow)
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msg = "dumping all"
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else:
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res = get_xattr(module, path, key, follow)
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msg = "returning %s" % key
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module.exit_json(changed=changed, msg=msg, xattr=res)
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if __name__ == '__main__':
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main()
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