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# Copyright 2018 Telefonica |
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# |
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# All Rights Reserved. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); you may |
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# not use this file except in compliance with the License. You may obtain |
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# a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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# License for the specific language governing permissions and limitations |
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# under the License. |
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""" |
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OSM ns API handling |
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""" |
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|
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from osmclient.common import utils |
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from osmclient.common import wait as WaitForStatus |
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from osmclient.common.exceptions import ClientException |
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from osmclient.common.exceptions import NotFound |
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import yaml |
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import json |
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import logging |
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class Ns(object): |
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|
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def __init__(self, http=None, client=None): |
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self._http = http |
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self._client = client |
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self._logger = logging.getLogger('osmclient') |
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self._apiName = '/nslcm' |
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self._apiVersion = '/v1' |
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self._apiResource = '/ns_instances_content' |
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self._apiBase = '{}{}{}'.format(self._apiName, |
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self._apiVersion, self._apiResource) |
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|
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# NS '--wait' option |
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def _wait(self, id, wait_time, deleteFlag=False): |
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self._logger.debug("") |
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# Endpoint to get operation status |
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apiUrlStatus = '{}{}{}'.format(self._apiName, self._apiVersion, '/ns_lcm_op_occs') |
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# Wait for status for NS instance creation/update/deletion |
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if isinstance(wait_time, bool): |
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wait_time = WaitForStatus.TIMEOUT_NS_OPERATION |
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WaitForStatus.wait_for_status( |
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'NS', |
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str(id), |
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wait_time, |
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apiUrlStatus, |
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self._http.get2_cmd, |
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deleteFlag=deleteFlag) |
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|
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def list(self, filter=None): |
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"""Returns a list of NS |
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""" |
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self._logger.debug("") |
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self._client.get_token() |
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filter_string = '' |
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if filter: |
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filter_string = '?{}'.format(filter) |
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_, resp = self._http.get2_cmd('{}{}'.format(self._apiBase,filter_string)) |
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if resp: |
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return json.loads(resp) |
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return list() |
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|
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def get(self, name): |
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"""Returns an NS based on name or id |
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""" |
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self._logger.debug("") |
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self._client.get_token() |
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if utils.validate_uuid4(name): |
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for ns in self.list(): |
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if name == ns['_id']: |
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return ns |
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else: |
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for ns in self.list(): |
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if name == ns['name']: |
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return ns |
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raise NotFound("ns '{}' not found".format(name)) |
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|
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def get_individual(self, name): |
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self._logger.debug("") |
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self._client.get_token() |
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ns_id = name |
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if not utils.validate_uuid4(name): |
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for ns in self.list(): |
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if name == ns['name']: |
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ns_id = ns['_id'] |
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break |
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try: |
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_, resp = self._http.get2_cmd('{}/{}'.format(self._apiBase, ns_id)) |
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#resp = self._http.get_cmd('{}/{}/nsd_content'.format(self._apiBase, ns_id)) |
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#print(yaml.safe_dump(resp)) |
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if resp: |
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return json.loads(resp) |
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except NotFound: |
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raise NotFound("ns '{}' not found".format(name)) |
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raise NotFound("ns '{}' not found".format(name)) |
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def delete(self, name, force=False, config=None, wait=False): |
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""" |
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Deletes a Network Service (NS) |
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:param name: name of network service |
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:param force: set force. Direct deletion without cleaning at VIM |
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:param config: parameters of deletion, as: |
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autoremove: Bool (default True) |
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timeout_ns_terminate: int |
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skip_terminate_primitives: Bool (default False) to not exec the terminate primitives |
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:param wait: Make synchronous. Wait until deletion is completed: |
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False to not wait (by default), True to wait a standard time, or int (time to wait) |
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:return: None. Exception if fail |
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""" |
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self._logger.debug("") |
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ns = self.get(name) |
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querystring_list = [] |
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querystring = '' |
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if config: |
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ns_config = yaml.safe_load(config) |
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querystring_list += ["{}={}".format(k, v) for k, v in ns_config.items()] |
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if force: |
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querystring_list.append('FORCE=True') |
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if querystring_list: |
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querystring = "?" + "&".join(querystring_list) |
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http_code, resp = self._http.delete_cmd('{}/{}{}'.format(self._apiBase, |
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ns['_id'], querystring)) |
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# TODO change to use a POST self._http.post_cmd('{}/{}/terminate{}'.format(_apiBase, ns['_id'], querystring), |
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# postfields_dict=ns_config) |
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# seting autoremove as True by default |
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# print('HTTP CODE: {}'.format(http_code)) |
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# print('RESP: {}'.format(resp)) |
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if http_code == 202: |
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if wait and resp: |
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resp = json.loads(resp) |
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# For the 'delete' operation, '_id' is used |
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self._wait(resp.get('_id'), wait, deleteFlag=True) |
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else: |
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print('Deletion in progress') |
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elif http_code == 204: |
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print('Deleted') |
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else: |
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msg = resp or "" |
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# if resp: |
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# try: |
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# msg = json.loads(resp) |
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# except ValueError: |
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# msg = resp |
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raise ClientException("failed to delete ns {} - {}".format(name, msg)) |
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|
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def create(self, nsd_name, nsr_name, account, config=None, |
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ssh_keys=None, description='default description', |
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admin_status='ENABLED', wait=False): |
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self._logger.debug("") |
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self._client.get_token() |
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nsd = self._client.nsd.get(nsd_name) |
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vim_account_id = {} |
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wim_account_id = {} |
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|
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def get_vim_account_id(vim_account): |
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self._logger.debug("") |
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if vim_account_id.get(vim_account): |
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return vim_account_id[vim_account] |
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vim = self._client.vim.get(vim_account) |
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if vim is None: |
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raise NotFound("cannot find vim account '{}'".format(vim_account)) |
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vim_account_id[vim_account] = vim['_id'] |
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return vim['_id'] |
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|
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def get_wim_account_id(wim_account): |
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self._logger.debug("") |
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# wim_account can be False (boolean) to indicate not use wim account |
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if not isinstance(wim_account, str): |
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return wim_account |
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if wim_account_id.get(wim_account): |
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return wim_account_id[wim_account] |
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wim = self._client.wim.get(wim_account) |
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if wim is None: |
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raise NotFound("cannot find wim account '{}'".format(wim_account)) |
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wim_account_id[wim_account] = wim['_id'] |
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return wim['_id'] |
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|
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ns = {} |
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ns['nsdId'] = nsd['_id'] |
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ns['nsName'] = nsr_name |
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ns['nsDescription'] = description |
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ns['vimAccountId'] = get_vim_account_id(account) |
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#ns['userdata'] = {} |
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#ns['userdata']['key1']='value1' |
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#ns['userdata']['key2']='value2' |
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|
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if ssh_keys is not None: |
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ns['ssh_keys'] = [] |
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for pubkeyfile in ssh_keys.split(','): |
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with open(pubkeyfile, 'r') as f: |
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ns['ssh_keys'].append(f.read()) |
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if config: |
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ns_config = yaml.safe_load(config) |
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if "vim-network-name" in ns_config: |
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ns_config["vld"] = ns_config.pop("vim-network-name") |
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if "vld" in ns_config: |
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if not isinstance(ns_config["vld"], list): |
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raise ClientException("Error at --config 'vld' must be a list of dictionaries") |
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for vld in ns_config["vld"]: |
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if not isinstance(vld, dict): |
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raise ClientException("Error at --config 'vld' must be a list of dictionaries") |
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if vld.get("vim-network-name"): |
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if isinstance(vld["vim-network-name"], dict): |
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vim_network_name_dict = {} |
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for vim_account, vim_net in vld["vim-network-name"].items(): |
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vim_network_name_dict[get_vim_account_id(vim_account)] = vim_net |
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vld["vim-network-name"] = vim_network_name_dict |
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if "wim_account" in vld and vld["wim_account"] is not None: |
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vld["wimAccountId"] = get_wim_account_id(vld.pop("wim_account")) |
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if "vnf" in ns_config: |
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for vnf in ns_config["vnf"]: |
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if vnf.get("vim_account"): |
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vnf["vimAccountId"] = get_vim_account_id(vnf.pop("vim_account")) |
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|
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if "additionalParamsForNs" in ns_config: |
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if not isinstance(ns_config["additionalParamsForNs"], dict): |
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raise ClientException("Error at --config 'additionalParamsForNs' must be a dictionary") |
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if "additionalParamsForVnf" in ns_config: |
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if not isinstance(ns_config["additionalParamsForVnf"], list): |
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raise ClientException("Error at --config 'additionalParamsForVnf' must be a list") |
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for additional_param_vnf in ns_config["additionalParamsForVnf"]: |
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if not isinstance(additional_param_vnf, dict): |
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raise ClientException("Error at --config 'additionalParamsForVnf' items must be dictionaries") |
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if not additional_param_vnf.get("member-vnf-index"): |
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raise ClientException("Error at --config 'additionalParamsForVnf' items must contain " |
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"'member-vnf-index'") |
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if "wim_account" in ns_config: |
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wim_account = ns_config.pop("wim_account") |
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if wim_account is not None: |
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ns['wimAccountId'] = get_wim_account_id(wim_account) |
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# rest of parameters without any transformation or checking |
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# "timeout_ns_deploy" |
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# "placement-engine" |
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ns.update(ns_config) |
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|
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# print(yaml.safe_dump(ns)) |
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try: |
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self._apiResource = '/ns_instances_content' |
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self._apiBase = '{}{}{}'.format(self._apiName, |
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self._apiVersion, self._apiResource) |
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headers = self._client._headers |
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headers['Content-Type'] = 'application/yaml' |
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http_header = ['{}: {}'.format(key,val) |
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for (key,val) in list(headers.items())] |
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self._http.set_http_header(http_header) |
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http_code, resp = self._http.post_cmd(endpoint=self._apiBase, |
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postfields_dict=ns) |
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# print('HTTP CODE: {}'.format(http_code)) |
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# print('RESP: {}'.format(resp)) |
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#if http_code in (200, 201, 202, 204): |
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if resp: |
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resp = json.loads(resp) |
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if not resp or 'id' not in resp: |
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raise ClientException('unexpected response from server - {} '.format( |
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resp)) |
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if wait: |
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# Wait for status for NS instance creation |
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self._wait(resp.get('nslcmop_id'), wait) |
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print(resp['id']) |
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return resp['id'] |
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#else: |
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# msg = "" |
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# if resp: |
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# try: |
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# msg = json.loads(resp) |
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# except ValueError: |
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# msg = resp |
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# raise ClientException(msg) |
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except ClientException as exc: |
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message="failed to create ns: {} nsd: {}\nerror:\n{}".format( |
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nsr_name, |
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nsd_name, |
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str(exc)) |
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raise ClientException(message) |
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|
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def list_op(self, name, filter=None): |
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"""Returns the list of operations of a NS |
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""" |
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self._logger.debug("") |
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ns = self.get(name) |
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try: |
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self._apiResource = '/ns_lcm_op_occs' |
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self._apiBase = '{}{}{}'.format(self._apiName, |
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self._apiVersion, self._apiResource) |
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filter_string = '' |
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if filter: |
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filter_string = '&{}'.format(filter) |
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http_code, resp = self._http.get2_cmd('{}?nsInstanceId={}{}'.format( |
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self._apiBase, ns['_id'], |
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filter_string) ) |
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#print('HTTP CODE: {}'.format(http_code)) |
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#print('RESP: {}'.format(resp)) |
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if http_code == 200: |
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if resp: |
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resp = json.loads(resp) |
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return resp |
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|
else: |
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raise ClientException('unexpected response from server') |
| 308 |
|
else: |
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msg = resp or "" |
| 310 |
|
# if resp: |
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|
# try: |
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|
# resp = json.loads(resp) |
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# msg = resp['detail'] |
| 314 |
|
# except ValueError: |
| 315 |
|
# msg = resp |
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raise ClientException(msg) |
| 317 |
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except ClientException as exc: |
| 318 |
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message="failed to get operation list of NS {}:\nerror:\n{}".format( |
| 319 |
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name, |
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str(exc)) |
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raise ClientException(message) |
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|
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def get_op(self, operationId): |
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|
"""Returns the status of an operation |
| 325 |
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""" |
| 326 |
0 |
self._logger.debug("") |
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self._client.get_token() |
| 328 |
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try: |
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self._apiResource = '/ns_lcm_op_occs' |
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self._apiBase = '{}{}{}'.format(self._apiName, |
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self._apiVersion, self._apiResource) |
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http_code, resp = self._http.get2_cmd('{}/{}'.format(self._apiBase, operationId)) |
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|
#print('HTTP CODE: {}'.format(http_code)) |
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|
#print('RESP: {}'.format(resp)) |
| 335 |
0 |
if http_code == 200: |
| 336 |
0 |
if resp: |
| 337 |
0 |
resp = json.loads(resp) |
| 338 |
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return resp |
| 339 |
|
else: |
| 340 |
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raise ClientException('unexpected response from server') |
| 341 |
|
else: |
| 342 |
0 |
msg = resp or "" |
| 343 |
|
# if resp: |
| 344 |
|
# try: |
| 345 |
|
# resp = json.loads(resp) |
| 346 |
|
# msg = resp['detail'] |
| 347 |
|
# except ValueError: |
| 348 |
|
# msg = resp |
| 349 |
0 |
raise ClientException(msg) |
| 350 |
0 |
except ClientException as exc: |
| 351 |
0 |
message="failed to get status of operation {}:\nerror:\n{}".format( |
| 352 |
|
operationId, |
| 353 |
|
str(exc)) |
| 354 |
0 |
raise ClientException(message) |
| 355 |
|
|
| 356 |
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def exec_op(self, name, op_name, op_data=None, wait=False, ): |
| 357 |
|
"""Executes an operation on a NS |
| 358 |
|
""" |
| 359 |
0 |
self._logger.debug("") |
| 360 |
0 |
ns = self.get(name) |
| 361 |
0 |
try: |
| 362 |
0 |
ns = self.get(name) |
| 363 |
0 |
self._apiResource = '/ns_instances' |
| 364 |
0 |
self._apiBase = '{}{}{}'.format(self._apiName, |
| 365 |
|
self._apiVersion, self._apiResource) |
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0 |
endpoint = '{}/{}/{}'.format(self._apiBase, ns['_id'], op_name) |
| 367 |
|
#print('OP_NAME: {}'.format(op_name)) |
| 368 |
|
#print('OP_DATA: {}'.format(json.dumps(op_data))) |
| 369 |
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http_code, resp = self._http.post_cmd(endpoint=endpoint, postfields_dict=op_data) |
| 370 |
|
#print('HTTP CODE: {}'.format(http_code)) |
| 371 |
|
#print('RESP: {}'.format(resp)) |
| 372 |
|
#if http_code in (200, 201, 202, 204): |
| 373 |
0 |
if resp: |
| 374 |
0 |
resp = json.loads(resp) |
| 375 |
0 |
if not resp or 'id' not in resp: |
| 376 |
0 |
raise ClientException('unexpected response from server - {}'.format( |
| 377 |
|
resp)) |
| 378 |
0 |
if wait: |
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|
# Wait for status for NS instance action |
| 380 |
|
# For the 'action' operation, 'id' is used |
| 381 |
0 |
self._wait(resp.get('id'), wait) |
| 382 |
0 |
return resp['id'] |
| 383 |
|
#else: |
| 384 |
|
# msg = "" |
| 385 |
|
# if resp: |
| 386 |
|
# try: |
| 387 |
|
# msg = json.loads(resp) |
| 388 |
|
# except ValueError: |
| 389 |
|
# msg = resp |
| 390 |
|
# raise ClientException(msg) |
| 391 |
0 |
except ClientException as exc: |
| 392 |
0 |
message="failed to exec operation {}:\nerror:\n{}".format( |
| 393 |
|
name, |
| 394 |
|
str(exc)) |
| 395 |
0 |
raise ClientException(message) |
| 396 |
|
|
| 397 |
0 |
def scale_vnf(self, ns_name, vnf_name, scaling_group, scale_in, scale_out, wait=False, timeout=None): |
| 398 |
|
"""Scales a VNF by adding/removing VDUs |
| 399 |
|
""" |
| 400 |
0 |
self._logger.debug("") |
| 401 |
0 |
self._client.get_token() |
| 402 |
0 |
try: |
| 403 |
0 |
op_data={} |
| 404 |
0 |
op_data["scaleType"] = "SCALE_VNF" |
| 405 |
0 |
op_data["scaleVnfData"] = {} |
| 406 |
0 |
if scale_in and not scale_out: |
| 407 |
0 |
op_data["scaleVnfData"]["scaleVnfType"] = "SCALE_IN" |
| 408 |
0 |
elif not scale_in and scale_out: |
| 409 |
0 |
op_data["scaleVnfData"]["scaleVnfType"] = "SCALE_OUT" |
| 410 |
|
else: |
| 411 |
0 |
raise ClientException("you must set either 'scale_in' or 'scale_out'") |
| 412 |
0 |
op_data["scaleVnfData"]["scaleByStepData"] = { |
| 413 |
|
"member-vnf-index": vnf_name, |
| 414 |
|
"scaling-group-descriptor": scaling_group, |
| 415 |
|
} |
| 416 |
0 |
if timeout: |
| 417 |
0 |
op_data["timeout_ns_scale"] = timeout |
| 418 |
0 |
op_id = self.exec_op(ns_name, op_name='scale', op_data=op_data, wait=wait) |
| 419 |
0 |
print(str(op_id)) |
| 420 |
0 |
except ClientException as exc: |
| 421 |
0 |
message="failed to scale vnf {} of ns {}:\nerror:\n{}".format( |
| 422 |
|
vnf_name, ns_name, str(exc)) |
| 423 |
0 |
raise ClientException(message) |
| 424 |
|
|
| 425 |
0 |
def create_alarm(self, alarm): |
| 426 |
0 |
self._logger.debug("") |
| 427 |
0 |
self._client.get_token() |
| 428 |
0 |
data = {} |
| 429 |
0 |
data["create_alarm_request"] = {} |
| 430 |
0 |
data["create_alarm_request"]["alarm_create_request"] = alarm |
| 431 |
0 |
try: |
| 432 |
0 |
http_code, resp = self._http.post_cmd(endpoint='/test/message/alarm_request', |
| 433 |
|
postfields_dict=data) |
| 434 |
|
#print('HTTP CODE: {}'.format(http_code)) |
| 435 |
|
#print('RESP: {}'.format(resp)) |
| 436 |
|
# if http_code in (200, 201, 202, 204): |
| 437 |
|
# resp = json.loads(resp) |
| 438 |
0 |
print('Alarm created') |
| 439 |
|
#else: |
| 440 |
|
# msg = "" |
| 441 |
|
# if resp: |
| 442 |
|
# try: |
| 443 |
|
# msg = json.loads(resp) |
| 444 |
|
# except ValueError: |
| 445 |
|
# msg = resp |
| 446 |
|
# raise ClientException('error: code: {}, resp: {}'.format( |
| 447 |
|
# http_code, msg)) |
| 448 |
0 |
except ClientException as exc: |
| 449 |
0 |
message="failed to create alarm: alarm {}\n{}".format( |
| 450 |
|
alarm, |
| 451 |
|
str(exc)) |
| 452 |
0 |
raise ClientException(message) |
| 453 |
|
|
| 454 |
0 |
def delete_alarm(self, name): |
| 455 |
0 |
self._logger.debug("") |
| 456 |
0 |
self._client.get_token() |
| 457 |
0 |
data = {} |
| 458 |
0 |
data["delete_alarm_request"] = {} |
| 459 |
0 |
data["delete_alarm_request"]["alarm_delete_request"] = {} |
| 460 |
0 |
data["delete_alarm_request"]["alarm_delete_request"]["alarm_uuid"] = name |
| 461 |
0 |
try: |
| 462 |
0 |
http_code, resp = self._http.post_cmd(endpoint='/test/message/alarm_request', |
| 463 |
|
postfields_dict=data) |
| 464 |
|
#print('HTTP CODE: {}'.format(http_code)) |
| 465 |
|
#print('RESP: {}'.format(resp)) |
| 466 |
|
# if http_code in (200, 201, 202, 204): |
| 467 |
|
# resp = json.loads(resp) |
| 468 |
0 |
print('Alarm deleted') |
| 469 |
|
#else: |
| 470 |
|
# msg = "" |
| 471 |
|
# if resp: |
| 472 |
|
# try: |
| 473 |
|
# msg = json.loads(resp) |
| 474 |
|
# except ValueError: |
| 475 |
|
# msg = resp |
| 476 |
|
# raise ClientException('error: code: {}, resp: {}'.format( |
| 477 |
|
# http_code, msg)) |
| 478 |
0 |
except ClientException as exc: |
| 479 |
0 |
message="failed to delete alarm: alarm {}\n{}".format( |
| 480 |
|
name, |
| 481 |
|
str(exc)) |
| 482 |
0 |
raise ClientException(message) |
| 483 |
|
|
| 484 |
0 |
def export_metric(self, metric): |
| 485 |
0 |
self._logger.debug("") |
| 486 |
0 |
self._client.get_token() |
| 487 |
0 |
data = {} |
| 488 |
0 |
data["read_metric_data_request"] = metric |
| 489 |
0 |
try: |
| 490 |
0 |
http_code, resp = self._http.post_cmd(endpoint='/test/message/metric_request', |
| 491 |
|
postfields_dict=data) |
| 492 |
|
#print('HTTP CODE: {}'.format(http_code)) |
| 493 |
|
#print('RESP: {}'.format(resp)) |
| 494 |
|
# if http_code in (200, 201, 202, 204): |
| 495 |
|
# resp = json.loads(resp) |
| 496 |
0 |
return 'Metric exported' |
| 497 |
|
#else: |
| 498 |
|
# msg = "" |
| 499 |
|
# if resp: |
| 500 |
|
# try: |
| 501 |
|
# msg = json.loads(resp) |
| 502 |
|
# except ValueError: |
| 503 |
|
# msg = resp |
| 504 |
|
# raise ClientException('error: code: {}, resp: {}'.format( |
| 505 |
|
# http_code, msg)) |
| 506 |
0 |
except ClientException as exc: |
| 507 |
0 |
message="failed to export metric: metric {}\n{}".format( |
| 508 |
|
metric, |
| 509 |
|
str(exc)) |
| 510 |
0 |
raise ClientException(message) |
| 511 |
|
|
| 512 |
0 |
def get_field(self, ns_name, field): |
| 513 |
0 |
self._logger.debug("") |
| 514 |
0 |
nsr = self.get(ns_name) |
| 515 |
0 |
print(yaml.safe_dump(nsr)) |
| 516 |
0 |
if nsr is None: |
| 517 |
0 |
raise NotFound("failed to retrieve ns {}".format(ns_name)) |
| 518 |
|
|
| 519 |
0 |
if field in nsr: |
| 520 |
0 |
return nsr[field] |
| 521 |
|
|
| 522 |
0 |
raise NotFound("failed to find {} in ns {}".format(field, ns_name)) |
| 523 |
|
|
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