#!/usr/bin/python # -*- coding: utf-8 -*- # # Copyright (c) 2015 CenturyLink # GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt) # SPDX-License-Identifier: GPL-3.0-or-later from __future__ import absolute_import, division, print_function __metaclass__ = type DOCUMENTATION = ''' module: clc_server_snapshot short_description: Create, Delete and Restore server snapshots in CenturyLink Cloud. description: - An Ansible module to Create, Delete and Restore server snapshots in CenturyLink Cloud. options: server_ids: description: - The list of CLC server Ids. type: list required: True elements: str expiration_days: description: - The number of days to keep the server snapshot before it expires. type: int default: 7 required: False state: description: - The state to insure that the provided resources are in. type: str default: 'present' required: False choices: ['present', 'absent', 'restore'] wait: description: - Whether to wait for the provisioning tasks to finish before returning. default: 'True' required: False type: str requirements: - python = 2.7 - requests >= 2.5.0 - clc-sdk author: "CLC Runner (@clc-runner)" notes: - To use this module, it is required to set the below environment variables which enables access to the Centurylink Cloud - CLC_V2_API_USERNAME, the account login id for the centurylink cloud - CLC_V2_API_PASSWORD, the account password for the centurylink cloud - Alternatively, the module accepts the API token and account alias. The API token can be generated using the CLC account login and password via the HTTP api call @ https://api.ctl.io/v2/authentication/login - CLC_V2_API_TOKEN, the API token generated from https://api.ctl.io/v2/authentication/login - CLC_ACCT_ALIAS, the account alias associated with the centurylink cloud - Users can set CLC_V2_API_URL to specify an endpoint for pointing to a different CLC environment. ''' EXAMPLES = ''' # Note - You must set the CLC_V2_API_USERNAME And CLC_V2_API_PASSWD Environment variables before running these examples - name: Create server snapshot community.general.clc_server_snapshot: server_ids: - UC1TEST-SVR01 - UC1TEST-SVR02 expiration_days: 10 wait: True state: present - name: Restore server snapshot community.general.clc_server_snapshot: server_ids: - UC1TEST-SVR01 - UC1TEST-SVR02 wait: True state: restore - name: Delete server snapshot community.general.clc_server_snapshot: server_ids: - UC1TEST-SVR01 - UC1TEST-SVR02 wait: True state: absent ''' RETURN = ''' server_ids: description: The list of server ids that are changed returned: success type: list sample: [ "UC1TEST-SVR01", "UC1TEST-SVR02" ] ''' __version__ = '${version}' import os import traceback from ansible_collections.community.general.plugins.module_utils.version import LooseVersion REQUESTS_IMP_ERR = None try: import requests except ImportError: REQUESTS_IMP_ERR = traceback.format_exc() REQUESTS_FOUND = False else: REQUESTS_FOUND = True # # Requires the clc-python-sdk. # sudo pip install clc-sdk # CLC_IMP_ERR = None try: import clc as clc_sdk from clc import CLCException except ImportError: CLC_IMP_ERR = traceback.format_exc() CLC_FOUND = False clc_sdk = None else: CLC_FOUND = True from ansible.module_utils.basic import AnsibleModule, missing_required_lib class ClcSnapshot: clc = clc_sdk module = None def __init__(self, module): """ Construct module """ self.module = module if not CLC_FOUND: self.module.fail_json(msg=missing_required_lib('clc-sdk'), exception=CLC_IMP_ERR) if not REQUESTS_FOUND: self.module.fail_json(msg=missing_required_lib('requests'), exception=REQUESTS_IMP_ERR) if requests.__version__ and LooseVersion(requests.__version__) < LooseVersion('2.5.0'): self.module.fail_json( msg='requests library version should be >= 2.5.0') self._set_user_agent(self.clc) def process_request(self): """ Process the request - Main Code Path :return: Returns with either an exit_json or fail_json """ p = self.module.params server_ids = p['server_ids'] expiration_days = p['expiration_days'] state = p['state'] request_list = [] changed = False changed_servers = [] self._set_clc_credentials_from_env() if state == 'present': changed, request_list, changed_servers = self.ensure_server_snapshot_present( server_ids=server_ids, expiration_days=expiration_days) elif state == 'absent': changed, request_list, changed_servers = self.ensure_server_snapshot_absent( server_ids=server_ids) elif state == 'restore': changed, request_list, changed_servers = self.ensure_server_snapshot_restore( server_ids=server_ids) self._wait_for_requests_to_complete(request_list) return self.module.exit_json( changed=changed, server_ids=changed_servers) def ensure_server_snapshot_present(self, server_ids, expiration_days): """ Ensures the given set of server_ids have the snapshots created :param server_ids: The list of server_ids to create the snapshot :param expiration_days: The number of days to keep the snapshot :return: (changed, request_list, changed_servers) changed: A flag indicating whether any change was made request_list: the list of clc request objects from CLC API call changed_servers: The list of servers ids that are modified """ request_list = [] changed = False servers = self._get_servers_from_clc( server_ids, 'Failed to obtain server list from the CLC API') servers_to_change = [ server for server in servers if len( server.GetSnapshots()) == 0] for server in servers_to_change: changed = True if not self.module.check_mode: request = self._create_server_snapshot(server, expiration_days) request_list.append(request) changed_servers = [ server.id for server in servers_to_change if server.id] return changed, request_list, changed_servers def _create_server_snapshot(self, server, expiration_days): """ Create the snapshot for the CLC server :param server: the CLC server object :param expiration_days: The number of days to keep the snapshot :return: the create request object from CLC API Call """ result = None try: result = server.CreateSnapshot( delete_existing=True, expiration_days=expiration_days) except CLCException as ex: self.module.fail_json(msg='Failed to create snapshot for server : {0}. {1}'.format( server.id, ex.response_text )) return result def ensure_server_snapshot_absent(self, server_ids): """ Ensures the given set of server_ids have the snapshots removed :param server_ids: The list of server_ids to delete the snapshot :return: (changed, request_list, changed_servers) changed: A flag indicating whether any change was made request_list: the list of clc request objects from CLC API call changed_servers: The list of servers ids that are modified """ request_list = [] changed = False servers = self._get_servers_from_clc( server_ids, 'Failed to obtain server list from the CLC API') servers_to_change = [ server for server in servers if len( server.GetSnapshots()) > 0] for server in servers_to_change: changed = True if not self.module.check_mode: request = self._delete_server_snapshot(server) request_list.append(request) changed_servers = [ server.id for server in servers_to_change if server.id] return changed, request_list, changed_servers def _delete_server_snapshot(self, server): """ Delete snapshot for the CLC server :param server: the CLC server object :return: the delete snapshot request object from CLC API """ result = None try: result = server.DeleteSnapshot() except CLCException as ex: self.module.fail_json(msg='Failed to delete snapshot for server : {0}. {1}'.format( server.id, ex.response_text )) return result def ensure_server_snapshot_restore(self, server_ids): """ Ensures the given set of server_ids have the snapshots restored :param server_ids: The list of server_ids to delete the snapshot :return: (changed, request_list, changed_servers) changed: A flag indicating whether any change was made request_list: the list of clc request objects from CLC API call changed_servers: The list of servers ids that are modified """ request_list = [] changed = False servers = self._get_servers_from_clc( server_ids, 'Failed to obtain server list from the CLC API') servers_to_change = [ server for server in servers if len( server.GetSnapshots()) > 0] for server in servers_to_change: changed = True if not self.module.check_mode: request = self._restore_server_snapshot(server) request_list.append(request) changed_servers = [ server.id for server in servers_to_change if server.id] return changed, request_list, changed_servers def _restore_server_snapshot(self, server): """ Restore snapshot for the CLC server :param server: the CLC server object :return: the restore snapshot request object from CLC API """ result = None try: result = server.RestoreSnapshot() except CLCException as ex: self.module.fail_json(msg='Failed to restore snapshot for server : {0}. {1}'.format( server.id, ex.response_text )) return result def _wait_for_requests_to_complete(self, requests_lst): """ Waits until the CLC requests are complete if the wait argument is True :param requests_lst: The list of CLC request objects :return: none """ if not self.module.params['wait']: return for request in requests_lst: request.WaitUntilComplete() for request_details in request.requests: if request_details.Status() != 'succeeded': self.module.fail_json( msg='Unable to process server snapshot request') @staticmethod def define_argument_spec(): """ This function defines the dictionary object required for package module :return: the package dictionary object """ argument_spec = dict( server_ids=dict(type='list', required=True, elements='str'), expiration_days=dict(default=7, type='int'), wait=dict(default=True), state=dict( default='present', choices=[ 'present', 'absent', 'restore']), ) return argument_spec def _get_servers_from_clc(self, server_list, message): """ Internal function to fetch list of CLC server objects from a list of server ids :param server_list: The list of server ids :param message: The error message to throw in case of any error :return the list of CLC server objects """ try: return self.clc.v2.Servers(server_list).servers except CLCException as ex: return self.module.fail_json(msg=message + ': %s' % ex) def _set_clc_credentials_from_env(self): """ Set the CLC Credentials on the sdk by reading environment variables :return: none """ env = os.environ v2_api_token = env.get('CLC_V2_API_TOKEN', False) v2_api_username = env.get('CLC_V2_API_USERNAME', False) v2_api_passwd = env.get('CLC_V2_API_PASSWD', False) clc_alias = env.get('CLC_ACCT_ALIAS', False) api_url = env.get('CLC_V2_API_URL', False) if api_url: self.clc.defaults.ENDPOINT_URL_V2 = api_url if v2_api_token and clc_alias: self.clc._LOGIN_TOKEN_V2 = v2_api_token self.clc._V2_ENABLED = True self.clc.ALIAS = clc_alias elif v2_api_username and v2_api_passwd: self.clc.v2.SetCredentials( api_username=v2_api_username, api_passwd=v2_api_passwd) else: return self.module.fail_json( msg="You must set the CLC_V2_API_USERNAME and CLC_V2_API_PASSWD " "environment variables") @staticmethod def _set_user_agent(clc): if hasattr(clc, 'SetRequestsSession'): agent_string = "ClcAnsibleModule/" + __version__ ses = requests.Session() ses.headers.update({"Api-Client": agent_string}) ses.headers['User-Agent'] += " " + agent_string clc.SetRequestsSession(ses) def main(): """ Main function :return: None """ module = AnsibleModule( argument_spec=ClcSnapshot.define_argument_spec(), supports_check_mode=True ) clc_snapshot = ClcSnapshot(module) clc_snapshot.process_request() if __name__ == '__main__': main()