#!/usr/bin/python # # Copyright (c) 2015 CenturyLink # # This file is part of Ansible. # # Ansible 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. # # Ansible 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 Ansible. If not, see # DOCUMENTATION = ''' module: clc_modify_server short_description: modify servers in CenturyLink Cloud. description: - An Ansible module to modify servers in CenturyLink Cloud. version_added: "2.0" options: server_ids: description: - A list of server Ids to modify. required: True cpu: description: - How many CPUs to update on the server required: False default: None memory: description: - Memory (in GB) to set to the server. required: False default: None anti_affinity_policy_id: description: - The anti affinity policy id to be set for a hyper scale server. This is mutually exclusive with 'anti_affinity_policy_name' required: False default: None anti_affinity_policy_name: description: - The anti affinity policy name to be set for a hyper scale server. This is mutually exclusive with 'anti_affinity_policy_id' required: False default: None alert_policy_id: description: - The alert policy id to be associated to the server. This is mutually exclusive with 'alert_policy_name' required: False default: None alert_policy_name: description: - The alert policy name to be associated to the server. This is mutually exclusive with 'alert_policy_id' required: False default: None state: description: - The state to insure that the provided resources are in. default: 'present' required: False choices: ['present', 'absent'] wait: description: - Whether to wait for the provisioning tasks to finish before returning. default: True required: False choices: [ True, False] 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: set the cpu count to 4 on a server clc_modify_server: server_ids: - UC1TESTSVR01 - UC1TESTSVR02 cpu: 4 state: present - name: set the memory to 8GB on a server clc_modify_server: server_ids: - UC1TESTSVR01 - UC1TESTSVR02 memory: 8 state: present - name: set the anti affinity policy on a server clc_modify_server: server_ids: - UC1TESTSVR01 - UC1TESTSVR02 anti_affinity_policy_name: 'aa_policy' state: present - name: remove the anti affinity policy on a server clc_modify_server: server_ids: - UC1TESTSVR01 - UC1TESTSVR02 anti_affinity_policy_name: 'aa_policy' state: absent - name: add the alert policy on a server clc_modify_server: server_ids: - UC1TESTSVR01 - UC1TESTSVR02 alert_policy_name: 'alert_policy' state: present - name: remove the alert policy on a server clc_modify_server: server_ids: - UC1TESTSVR01 - UC1TESTSVR02 alert_policy_name: 'alert_policy' state: absent - name: set the memory to 16GB and cpu to 8 core on a lust if servers clc_modify_server: server_ids: - UC1TESTSVR01 - UC1TESTSVR02 cpu: 8 memory: 16 state: present ''' RETURN = ''' changed: description: A flag indicating if any change was made or not returned: success type: boolean sample: True server_ids: description: The list of server ids that are changed returned: success type: list sample: [ "UC1TEST-SVR01", "UC1TEST-SVR02" ] servers: description: The list of server objects that are changed returned: success type: list sample: [ { "changeInfo":{ "createdBy":"service.wfad", "createdDate":1438196820, "modifiedBy":"service.wfad", "modifiedDate":1438196820 }, "description":"test-server", "details":{ "alertPolicies":[ ], "cpu":1, "customFields":[ ], "diskCount":3, "disks":[ { "id":"0:0", "partitionPaths":[ ], "sizeGB":1 }, { "id":"0:1", "partitionPaths":[ ], "sizeGB":2 }, { "id":"0:2", "partitionPaths":[ ], "sizeGB":14 } ], "hostName":"", "inMaintenanceMode":false, "ipAddresses":[ { "internal":"10.1.1.1" } ], "memoryGB":1, "memoryMB":1024, "partitions":[ ], "powerState":"started", "snapshots":[ ], "storageGB":17 }, "groupId":"086ac1dfe0b6411989e8d1b77c4065f0", "id":"test-server", "ipaddress":"10.120.45.23", "isTemplate":false, "links":[ { "href":"/v2/servers/wfad/test-server", "id":"test-server", "rel":"self", "verbs":[ "GET", "PATCH", "DELETE" ] }, { "href":"/v2/groups/wfad/086ac1dfe0b6411989e8d1b77c4065f0", "id":"086ac1dfe0b6411989e8d1b77c4065f0", "rel":"group" }, { "href":"/v2/accounts/wfad", "id":"wfad", "rel":"account" }, { "href":"/v2/billing/wfad/serverPricing/test-server", "rel":"billing" }, { "href":"/v2/servers/wfad/test-server/publicIPAddresses", "rel":"publicIPAddresses", "verbs":[ "POST" ] }, { "href":"/v2/servers/wfad/test-server/credentials", "rel":"credentials" }, { "href":"/v2/servers/wfad/test-server/statistics", "rel":"statistics" }, { "href":"/v2/servers/wfad/510ec21ae82d4dc89d28479753bf736a/upcomingScheduledActivities", "rel":"upcomingScheduledActivities" }, { "href":"/v2/servers/wfad/510ec21ae82d4dc89d28479753bf736a/scheduledActivities", "rel":"scheduledActivities", "verbs":[ "GET", "POST" ] }, { "href":"/v2/servers/wfad/test-server/capabilities", "rel":"capabilities" }, { "href":"/v2/servers/wfad/test-server/alertPolicies", "rel":"alertPolicyMappings", "verbs":[ "POST" ] }, { "href":"/v2/servers/wfad/test-server/antiAffinityPolicy", "rel":"antiAffinityPolicyMapping", "verbs":[ "PUT", "DELETE" ] }, { "href":"/v2/servers/wfad/test-server/cpuAutoscalePolicy", "rel":"cpuAutoscalePolicyMapping", "verbs":[ "PUT", "DELETE" ] } ], "locationId":"UC1", "name":"test-server", "os":"ubuntu14_64Bit", "osType":"Ubuntu 14 64-bit", "status":"active", "storageType":"standard", "type":"standard" } ] ''' __version__ = '${version}' from distutils.version import LooseVersion try: import requests except ImportError: REQUESTS_FOUND = False else: REQUESTS_FOUND = True # # Requires the clc-python-sdk. # sudo pip install clc-sdk # try: import clc as clc_sdk from clc import CLCException from clc import APIFailedResponse except ImportError: CLC_FOUND = False clc_sdk = None else: CLC_FOUND = True class ClcModifyServer: clc = clc_sdk def __init__(self, module): """ Construct module """ self.clc = clc_sdk self.module = module if not CLC_FOUND: self.module.fail_json( msg='clc-python-sdk required for this module') if not REQUESTS_FOUND: self.module.fail_json( msg='requests library is required for this module') 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 """ self._set_clc_credentials_from_env() p = self.module.params cpu = p.get('cpu') memory = p.get('memory') state = p.get('state') if state == 'absent' and (cpu or memory): return self.module.fail_json( msg='\'absent\' state is not supported for \'cpu\' and \'memory\' arguments') server_ids = p['server_ids'] if not isinstance(server_ids, list): return self.module.fail_json( msg='server_ids needs to be a list of instances to modify: %s' % server_ids) (changed, server_dict_array, changed_server_ids) = self._modify_servers( server_ids=server_ids) self.module.exit_json( changed=changed, server_ids=changed_server_ids, servers=server_dict_array) @staticmethod def _define_module_argument_spec(): """ Define the argument spec for the ansible module :return: argument spec dictionary """ argument_spec = dict( server_ids=dict(type='list', required=True), state=dict(default='present', choices=['present', 'absent']), cpu=dict(), memory=dict(), anti_affinity_policy_id=dict(), anti_affinity_policy_name=dict(), alert_policy_id=dict(), alert_policy_name=dict(), wait=dict(type='bool', default=True) ) mutually_exclusive = [ ['anti_affinity_policy_id', 'anti_affinity_policy_name'], ['alert_policy_id', 'alert_policy_name'] ] return {"argument_spec": argument_spec, "mutually_exclusive": mutually_exclusive} 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") 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.message) def _modify_servers(self, server_ids): """ modify the servers configuration on the provided list :param server_ids: list of servers to modify :return: a list of dictionaries with server information about the servers that were modified """ p = self.module.params state = p.get('state') server_params = { 'cpu': p.get('cpu'), 'memory': p.get('memory'), 'anti_affinity_policy_id': p.get('anti_affinity_policy_id'), 'anti_affinity_policy_name': p.get('anti_affinity_policy_name'), 'alert_policy_id': p.get('alert_policy_id'), 'alert_policy_name': p.get('alert_policy_name'), } changed = False server_changed = False aa_changed = False ap_changed = False server_dict_array = [] result_server_ids = [] request_list = [] changed_servers = [] if not isinstance(server_ids, list) or len(server_ids) < 1: return self.module.fail_json( msg='server_ids should be a list of servers, aborting') servers = self._get_servers_from_clc( server_ids, 'Failed to obtain server list from the CLC API') for server in servers: if state == 'present': server_changed, server_result = self._ensure_server_config( server, server_params) if server_result: request_list.append(server_result) aa_changed = self._ensure_aa_policy_present( server, server_params) ap_changed = self._ensure_alert_policy_present( server, server_params) elif state == 'absent': aa_changed = self._ensure_aa_policy_absent( server, server_params) ap_changed = self._ensure_alert_policy_absent( server, server_params) if server_changed or aa_changed or ap_changed: changed_servers.append(server) changed = True self._wait_for_requests(self.module, request_list) self._refresh_servers(self.module, changed_servers) for server in changed_servers: server_dict_array.append(server.data) result_server_ids.append(server.id) return changed, server_dict_array, result_server_ids def _ensure_server_config( self, server, server_params): """ ensures the server is updated with the provided cpu and memory :param server: the CLC server object :param server_params: the dictionary of server parameters :return: (changed, group) - changed: Boolean whether a change was made result: The result from the CLC API call """ cpu = server_params.get('cpu') memory = server_params.get('memory') changed = False result = None if not cpu: cpu = server.cpu if not memory: memory = server.memory if memory != server.memory or cpu != server.cpu: if not self.module.check_mode: result = self._modify_clc_server( self.clc, self.module, server.id, cpu, memory) changed = True return changed, result @staticmethod def _modify_clc_server(clc, module, server_id, cpu, memory): """ Modify the memory or CPU of a clc server. :param clc: the clc-sdk instance to use :param module: the AnsibleModule object :param server_id: id of the server to modify :param cpu: the new cpu value :param memory: the new memory value :return: the result of CLC API call """ result = None acct_alias = clc.v2.Account.GetAlias() try: # Update the server configuration job_obj = clc.v2.API.Call('PATCH', 'servers/%s/%s' % (acct_alias, server_id), json.dumps([{"op": "set", "member": "memory", "value": memory}, {"op": "set", "member": "cpu", "value": cpu}])) result = clc.v2.Requests(job_obj) except APIFailedResponse as ex: module.fail_json( msg='Unable to update the server configuration for server : "{0}". {1}'.format( server_id, str(ex.response_text))) return result @staticmethod def _wait_for_requests(module, request_list): """ Block until server provisioning requests are completed. :param module: the AnsibleModule object :param request_list: a list of clc-sdk.Request instances :return: none """ wait = module.params.get('wait') if wait: # Requests.WaitUntilComplete() returns the count of failed requests failed_requests_count = sum( [request.WaitUntilComplete() for request in request_list]) if failed_requests_count > 0: module.fail_json( msg='Unable to process modify server request') @staticmethod def _refresh_servers(module, servers): """ Loop through a list of servers and refresh them. :param module: the AnsibleModule object :param servers: list of clc-sdk.Server instances to refresh :return: none """ for server in servers: try: server.Refresh() except CLCException as ex: module.fail_json(msg='Unable to refresh the server {0}. {1}'.format( server.id, ex.message )) def _ensure_aa_policy_present( self, server, server_params): """ ensures the server is updated with the provided anti affinity policy :param server: the CLC server object :param server_params: the dictionary of server parameters :return: (changed, group) - changed: Boolean whether a change was made result: The result from the CLC API call """ changed = False acct_alias = self.clc.v2.Account.GetAlias() aa_policy_id = server_params.get('anti_affinity_policy_id') aa_policy_name = server_params.get('anti_affinity_policy_name') if not aa_policy_id and aa_policy_name: aa_policy_id = self._get_aa_policy_id_by_name( self.clc, self.module, acct_alias, aa_policy_name) current_aa_policy_id = self._get_aa_policy_id_of_server( self.clc, self.module, acct_alias, server.id) if aa_policy_id and aa_policy_id != current_aa_policy_id: self._modify_aa_policy( self.clc, self.module, acct_alias, server.id, aa_policy_id) changed = True return changed def _ensure_aa_policy_absent( self, server, server_params): """ ensures the the provided anti affinity policy is removed from the server :param server: the CLC server object :param server_params: the dictionary of server parameters :return: (changed, group) - changed: Boolean whether a change was made result: The result from the CLC API call """ changed = False acct_alias = self.clc.v2.Account.GetAlias() aa_policy_id = server_params.get('anti_affinity_policy_id') aa_policy_name = server_params.get('anti_affinity_policy_name') if not aa_policy_id and aa_policy_name: aa_policy_id = self._get_aa_policy_id_by_name( self.clc, self.module, acct_alias, aa_policy_name) current_aa_policy_id = self._get_aa_policy_id_of_server( self.clc, self.module, acct_alias, server.id) if aa_policy_id and aa_policy_id == current_aa_policy_id: self._delete_aa_policy( self.clc, self.module, acct_alias, server.id) changed = True return changed @staticmethod def _modify_aa_policy(clc, module, acct_alias, server_id, aa_policy_id): """ modifies the anti affinity policy of the CLC server :param clc: the clc-sdk instance to use :param module: the AnsibleModule object :param acct_alias: the CLC account alias :param server_id: the CLC server id :param aa_policy_id: the anti affinity policy id :return: result: The result from the CLC API call """ result = None if not module.check_mode: try: result = clc.v2.API.Call('PUT', 'servers/%s/%s/antiAffinityPolicy' % ( acct_alias, server_id), json.dumps({"id": aa_policy_id})) except APIFailedResponse as ex: module.fail_json( msg='Unable to modify anti affinity policy to server : "{0}". {1}'.format( server_id, str(ex.response_text))) return result @staticmethod def _delete_aa_policy(clc, module, acct_alias, server_id): """ Delete the anti affinity policy of the CLC server :param clc: the clc-sdk instance to use :param module: the AnsibleModule object :param acct_alias: the CLC account alias :param server_id: the CLC server id :return: result: The result from the CLC API call """ result = None if not module.check_mode: try: result = clc.v2.API.Call('DELETE', 'servers/%s/%s/antiAffinityPolicy' % ( acct_alias, server_id), json.dumps({})) except APIFailedResponse as ex: module.fail_json( msg='Unable to delete anti affinity policy to server : "{0}". {1}'.format( server_id, str(ex.response_text))) return result @staticmethod def _get_aa_policy_id_by_name(clc, module, alias, aa_policy_name): """ retrieves the anti affinity policy id of the server based on the name of the policy :param clc: the clc-sdk instance to use :param module: the AnsibleModule object :param alias: the CLC account alias :param aa_policy_name: the anti affinity policy name :return: aa_policy_id: The anti affinity policy id """ aa_policy_id = None try: aa_policies = clc.v2.API.Call(method='GET', url='antiAffinityPolicies/%s' % alias) except APIFailedResponse as ex: return module.fail_json( msg='Unable to fetch anti affinity policies from account alias : "{0}". {1}'.format( alias, str(ex.response_text))) for aa_policy in aa_policies.get('items'): if aa_policy.get('name') == aa_policy_name: if not aa_policy_id: aa_policy_id = aa_policy.get('id') else: return module.fail_json( msg='multiple anti affinity policies were found with policy name : %s' % aa_policy_name) if not aa_policy_id: module.fail_json( msg='No anti affinity policy was found with policy name : %s' % aa_policy_name) return aa_policy_id @staticmethod def _get_aa_policy_id_of_server(clc, module, alias, server_id): """ retrieves the anti affinity policy id of the server based on the CLC server id :param clc: the clc-sdk instance to use :param module: the AnsibleModule object :param alias: the CLC account alias :param server_id: the CLC server id :return: aa_policy_id: The anti affinity policy id """ aa_policy_id = None try: result = clc.v2.API.Call( method='GET', url='servers/%s/%s/antiAffinityPolicy' % (alias, server_id)) aa_policy_id = result.get('id') except APIFailedResponse as ex: if ex.response_status_code != 404: module.fail_json(msg='Unable to fetch anti affinity policy for server "{0}". {1}'.format( server_id, str(ex.response_text))) return aa_policy_id def _ensure_alert_policy_present( self, server, server_params): """ ensures the server is updated with the provided alert policy :param server: the CLC server object :param server_params: the dictionary of server parameters :return: (changed, group) - changed: Boolean whether a change was made result: The result from the CLC API call """ changed = False acct_alias = self.clc.v2.Account.GetAlias() alert_policy_id = server_params.get('alert_policy_id') alert_policy_name = server_params.get('alert_policy_name') if not alert_policy_id and alert_policy_name: alert_policy_id = self._get_alert_policy_id_by_name( self.clc, self.module, acct_alias, alert_policy_name) if alert_policy_id and not self._alert_policy_exists( server, alert_policy_id): self._add_alert_policy_to_server( self.clc, self.module, acct_alias, server.id, alert_policy_id) changed = True return changed def _ensure_alert_policy_absent( self, server, server_params): """ ensures the alert policy is removed from the server :param server: the CLC server object :param server_params: the dictionary of server parameters :return: (changed, group) - changed: Boolean whether a change was made result: The result from the CLC API call """ changed = False acct_alias = self.clc.v2.Account.GetAlias() alert_policy_id = server_params.get('alert_policy_id') alert_policy_name = server_params.get('alert_policy_name') if not alert_policy_id and alert_policy_name: alert_policy_id = self._get_alert_policy_id_by_name( self.clc, self.module, acct_alias, alert_policy_name) if alert_policy_id and self._alert_policy_exists( server, alert_policy_id): self._remove_alert_policy_to_server( self.clc, self.module, acct_alias, server.id, alert_policy_id) changed = True return changed @staticmethod def _add_alert_policy_to_server( clc, module, acct_alias, server_id, alert_policy_id): """ add the alert policy to CLC server :param clc: the clc-sdk instance to use :param module: the AnsibleModule object :param acct_alias: the CLC account alias :param server_id: the CLC server id :param alert_policy_id: the alert policy id :return: result: The result from the CLC API call """ result = None if not module.check_mode: try: result = clc.v2.API.Call('POST', 'servers/%s/%s/alertPolicies' % ( acct_alias, server_id), json.dumps({"id": alert_policy_id})) except APIFailedResponse as ex: module.fail_json(msg='Unable to set alert policy to the server : "{0}". {1}'.format( server_id, str(ex.response_text))) return result @staticmethod def _remove_alert_policy_to_server( clc, module, acct_alias, server_id, alert_policy_id): """ remove the alert policy to the CLC server :param clc: the clc-sdk instance to use :param module: the AnsibleModule object :param acct_alias: the CLC account alias :param server_id: the CLC server id :param alert_policy_id: the alert policy id :return: result: The result from the CLC API call """ result = None if not module.check_mode: try: result = clc.v2.API.Call('DELETE', 'servers/%s/%s/alertPolicies/%s' % (acct_alias, server_id, alert_policy_id)) except APIFailedResponse as ex: module.fail_json(msg='Unable to remove alert policy from the server : "{0}". {1}'.format( server_id, str(ex.response_text))) return result @staticmethod def _get_alert_policy_id_by_name(clc, module, alias, alert_policy_name): """ retrieves the alert policy id of the server based on the name of the policy :param clc: the clc-sdk instance to use :param module: the AnsibleModule object :param alias: the CLC account alias :param alert_policy_name: the alert policy name :return: alert_policy_id: The alert policy id """ alert_policy_id = None try: alert_policies = clc.v2.API.Call(method='GET', url='alertPolicies/%s' % alias) except APIFailedResponse as ex: return module.fail_json(msg='Unable to fetch alert policies for account : "{0}". {1}'.format( alias, str(ex.response_text))) for alert_policy in alert_policies.get('items'): if alert_policy.get('name') == alert_policy_name: if not alert_policy_id: alert_policy_id = alert_policy.get('id') else: return module.fail_json( msg='multiple alert policies were found with policy name : %s' % alert_policy_name) return alert_policy_id @staticmethod def _alert_policy_exists(server, alert_policy_id): """ Checks if the alert policy exists for the server :param server: the clc server object :param alert_policy_id: the alert policy :return: True: if the given alert policy id associated to the server, False otherwise """ result = False alert_policies = server.alertPolicies if alert_policies: for alert_policy in alert_policies: if alert_policy.get('id') == alert_policy_id: result = True return result @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(): """ The main function. Instantiates the module and calls process_request. :return: none """ argument_dict = ClcModifyServer._define_module_argument_spec() module = AnsibleModule(supports_check_mode=True, **argument_dict) clc_modify_server = ClcModifyServer(module) clc_modify_server.process_request() from ansible.module_utils.basic import * # pylint: disable=W0614 if __name__ == '__main__': main()