#!/usr/bin/python # Copyright: (c) 2017, Ansible Project # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) from __future__ import absolute_import, division, print_function __metaclass__ = type DOCUMENTATION = ''' --- module: xattr short_description: Manage user defined extended attributes description: - Manages filesystem user defined extended attributes. - Requires that extended attributes are enabled on the target filesystem and that the setfattr/getfattr utilities are present. options: path: description: - The full path of the file/object to get the facts of. - Before 2.3 this option was only usable as I(name). type: path required: true aliases: [ name ] namespace: description: - Namespace of the named name/key. type: str default: user key: description: - The name of a specific Extended attribute key to set/retrieve. type: str value: description: - The value to set the named name/key to, it automatically sets the C(state) to 'set'. type: str state: description: - defines which state you want to do. C(read) retrieves the current value for a C(key) (default) C(present) sets C(name) to C(value), default if value is set C(all) dumps all data C(keys) retrieves all keys C(absent) deletes the key type: str choices: [ absent, all, keys, present, read ] default: read follow: description: - If C(yes), dereferences symlinks and sets/gets attributes on symlink target, otherwise acts on symlink itself. type: bool default: yes notes: - As of Ansible 2.3, the I(name) option has been changed to I(path) as default, but I(name) still works as well. author: - Brian Coca (@bcoca) ''' EXAMPLES = ''' - name: Obtain the extended attributes of /etc/foo.conf community.general.xattr: path: /etc/foo.conf - name: Set the key 'user.foo' to value 'bar' community.general.xattr: path: /etc/foo.conf key: foo value: bar - name: Set the key 'trusted.glusterfs.volume-id' to value '0x817b94343f164f199e5b573b4ea1f914' community.general.xattr: path: /mnt/bricks/brick1 namespace: trusted key: glusterfs.volume-id value: "0x817b94343f164f199e5b573b4ea1f914" - name: Remove the key 'user.foo' community.general.xattr: path: /etc/foo.conf key: foo state: absent - name: Remove the key 'trusted.glusterfs.volume-id' community.general.xattr: path: /mnt/bricks/brick1 namespace: trusted key: glusterfs.volume-id state: absent ''' import os # import module snippets from ansible.module_utils.basic import AnsibleModule from ansible.module_utils._text import to_native def get_xattr_keys(module, path, follow): cmd = [module.get_bin_path('getfattr', True), '--absolute-names'] if not follow: cmd.append('-h') cmd.append(path) return _run_xattr(module, cmd) def get_xattr(module, path, key, follow): cmd = [module.get_bin_path('getfattr', True), '--absolute-names'] if not follow: cmd.append('-h') if key is None: cmd.append('-d') else: cmd.append('-n %s' % key) cmd.append(path) return _run_xattr(module, cmd, False) def set_xattr(module, path, key, value, follow): cmd = [module.get_bin_path('setfattr', True)] if not follow: cmd.append('-h') cmd.append('-n %s' % key) cmd.append('-v %s' % value) cmd.append(path) return _run_xattr(module, cmd) def rm_xattr(module, path, key, follow): cmd = [module.get_bin_path('setfattr', True)] if not follow: cmd.append('-h') cmd.append('-x %s' % key) cmd.append(path) return _run_xattr(module, cmd, False) def _run_xattr(module, cmd, check_rc=True): try: (rc, out, err) = module.run_command(' '.join(cmd), check_rc=check_rc) except Exception as e: module.fail_json(msg="%s!" % to_native(e)) # result = {'raw': out} result = {} for line in out.splitlines(): if line.startswith('#') or line == '': pass elif '=' in line: (key, val) = line.split('=', 1) result[key] = val.strip('"') else: result[line] = '' return result def main(): module = AnsibleModule( argument_spec=dict( path=dict(type='path', required=True, aliases=['name']), namespace=dict(type='str', default='user'), key=dict(type='str', no_log=False), value=dict(type='str'), state=dict(type='str', default='read', choices=['absent', 'all', 'keys', 'present', 'read']), follow=dict(type='bool', default=True), ), supports_check_mode=True, ) path = module.params.get('path') namespace = module.params.get('namespace') key = module.params.get('key') value = module.params.get('value') state = module.params.get('state') follow = module.params.get('follow') if not os.path.exists(path): module.fail_json(msg="path not found or not accessible!") changed = False msg = "" res = {} if key is None and state in ['absent', 'present']: module.fail_json(msg="%s needs a key parameter" % state) # Prepend the key with the namespace if defined if ( key is not None and namespace is not None and len(namespace) > 0 and not (namespace == 'user' and key.startswith('user.'))): key = '%s.%s' % (namespace, key) if (state == 'present' or value is not None): current = get_xattr(module, path, key, follow) if current is None or key not in current or value != current[key]: if not module.check_mode: res = set_xattr(module, path, key, value, follow) changed = True res = current msg = "%s set to %s" % (key, value) elif state == 'absent': current = get_xattr(module, path, key, follow) if current is not None and key in current: if not module.check_mode: res = rm_xattr(module, path, key, follow) changed = True res = current msg = "%s removed" % (key) elif state == 'keys': res = get_xattr_keys(module, path, follow) msg = "returning all keys" elif state == 'all': res = get_xattr(module, path, None, follow) msg = "dumping all" else: res = get_xattr(module, path, key, follow) msg = "returning %s" % key module.exit_json(changed=changed, msg=msg, xattr=res) if __name__ == '__main__': main()