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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 NSI (Network Slice Instance) 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 Nsi(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 = '/nsilcm' |
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self._apiVersion = '/v1' |
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self._apiResource = '/netslice_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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# NSI '--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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self._client.get_token() |
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# Endpoint to get operation status |
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apiUrlStatus = '{}{}{}'.format(self._apiName, self._apiVersion, '/nsi_lcm_op_occs') |
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# Wait for status for NSI instance creation/update/deletion |
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if isinstance(wait_time, bool): |
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wait_time = WaitForStatus.TIMEOUT_NSI_OPERATION |
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WaitForStatus.wait_for_status( |
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'NSI', |
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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 NSI |
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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 NSI 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 nsi in self.list(): |
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if name == nsi['_id']: |
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return nsi |
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else: |
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for nsi in self.list(): |
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if name == nsi['name']: |
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return nsi |
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raise NotFound("nsi {} 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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nsi_id = name |
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self._client.get_token() |
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if not utils.validate_uuid4(name): |
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for nsi in self.list(): |
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if name == nsi['name']: |
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nsi_id = nsi['_id'] |
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break |
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try: |
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_, resp = self._http.get2_cmd('{}/{}'.format(self._apiBase, nsi_id)) |
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#resp = self._http.get_cmd('{}/{}/nsd_content'.format(self._apiBase, nsi_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("nsi '{}' not found".format(name)) |
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raise NotFound("nsi {} not found".format(name)) |
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|
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def delete(self, name, force=False, wait=False): |
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self._logger.debug("") |
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nsi = self.get(name) |
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querystring = '' |
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if force: |
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querystring = '?FORCE=True' |
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http_code, resp = self._http.delete_cmd('{}/{}{}'.format(self._apiBase, |
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nsi['_id'], querystring)) |
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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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# Wait for status for NSI instance deletion |
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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 nsi {} - {}".format(name, msg)) |
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|
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def create(self, nst_name, nsi_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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nst = self._client.nst.get(nst_name) |
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vim_account_id = {} |
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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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|
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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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nsi = {} |
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nsi['nstId'] = nst['_id'] |
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nsi['nsiName'] = nsi_name |
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nsi['nsiDescription'] = description |
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nsi['vimAccountId'] = get_vim_account_id(account) |
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#nsi['userdata'] = {} |
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#nsi['userdata']['key1']='value1' |
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#nsi['userdata']['key2']='value2' |
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|
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if ssh_keys is not None: |
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# ssh_keys is comma separate list |
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# ssh_keys_format = [] |
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# for key in ssh_keys.split(','): |
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# ssh_keys_format.append({'key-pair-ref': key}) |
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# |
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# ns['ssh-authorized-key'] = ssh_keys_format |
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nsi['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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nsi['ssh_keys'].append(f.read()) |
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if config: |
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nsi_config = yaml.safe_load(config) |
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if "netslice-vld" in nsi_config: |
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for vld in nsi_config["netslice-vld"]: |
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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 list(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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nsi["netslice-vld"] = nsi_config["netslice-vld"] |
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if "netslice-subnet" in nsi_config: |
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for nssubnet in nsi_config["netslice-subnet"]: |
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if "vld" in nssubnet: |
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for vld in nssubnet["vld"]: |
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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 list(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 "vnf" in nssubnet: |
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for vnf in nssubnet["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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nsi["netslice-subnet"] = nsi_config["netslice-subnet"] |
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|
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if "additionalParamsForNsi" in nsi_config: |
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nsi["additionalParamsForNsi"] = nsi_config.pop("additionalParamsForNsi") |
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if not isinstance(nsi["additionalParamsForNsi"], dict): |
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raise ValueError("Error at --config 'additionalParamsForNsi' must be a dictionary") |
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if "additionalParamsForSubnet" in nsi_config: |
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nsi["additionalParamsForSubnet"] = nsi_config.pop("additionalParamsForSubnet") |
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if not isinstance(nsi["additionalParamsForSubnet"], list): |
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raise ValueError("Error at --config 'additionalParamsForSubnet' must be a list") |
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for additional_param_subnet in nsi["additionalParamsForSubnet"]: |
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if not isinstance(additional_param_subnet, dict): |
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raise ValueError("Error at --config 'additionalParamsForSubnet' items must be dictionaries") |
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if not additional_param_subnet.get("id"): |
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raise ValueError("Error at --config 'additionalParamsForSubnet' items must contain subnet 'id'") |
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if not additional_param_subnet.get("additionalParamsForNs") and\ |
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not additional_param_subnet.get("additionalParamsForVnf"): |
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raise ValueError("Error at --config 'additionalParamsForSubnet' items must contain " |
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"'additionalParamsForNs' and/or 'additionalParamsForVnf'") |
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if "timeout_nsi_deploy" in nsi_config: |
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nsi["timeout_nsi_deploy"] = nsi_config.pop("timeout_nsi_deploy") |
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|
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# print(yaml.safe_dump(nsi)) |
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try: |
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self._apiResource = '/netslice_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=nsi) |
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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 NSI instance creation |
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self._wait(resp.get('nsilcmop_id'), wait) |
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print(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 nsi: {} nst: {}\nerror:\n{}".format( |
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nsi_name, |
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nst_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 NSI |
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""" |
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self._logger.debug("") |
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nsi = self.get(name) |
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try: |
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self._apiResource = '/nsi_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('{}?netsliceInstanceId={}{}'.format( |
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self._apiBase, nsi['_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') |
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#else: |
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# msg = "" |
| 287 |
|
# if resp: |
| 288 |
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# try: |
| 289 |
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# resp = json.loads(resp) |
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# msg = resp['detail'] |
| 291 |
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# except ValueError: |
| 292 |
|
# msg = resp |
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|
# raise ClientException(msg) |
| 294 |
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except ClientException as exc: |
| 295 |
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message="failed to get operation list of NSI {}:\nerror:\n{}".format( |
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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 |
| 302 |
|
""" |
| 303 |
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self._logger.debug("") |
| 304 |
0 |
self._client.get_token() |
| 305 |
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try: |
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self._apiResource = '/nsi_lcm_op_occs' |
| 307 |
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self._apiBase = '{}{}{}'.format(self._apiName, |
| 308 |
|
self._apiVersion, self._apiResource) |
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http_code, resp = self._http.get2_cmd('{}/{}'.format(self._apiBase, operationId)) |
| 310 |
|
#print('HTTP CODE: {}'.format(http_code)) |
| 311 |
|
#print('RESP: {}'.format(resp)) |
| 312 |
|
#if http_code == 200: |
| 313 |
0 |
if resp: |
| 314 |
0 |
resp = json.loads(resp) |
| 315 |
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return resp |
| 316 |
|
else: |
| 317 |
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raise ClientException('unexpected response from server') |
| 318 |
|
#else: |
| 319 |
|
# msg = "" |
| 320 |
|
# if resp: |
| 321 |
|
# try: |
| 322 |
|
# resp = json.loads(resp) |
| 323 |
|
# msg = resp['detail'] |
| 324 |
|
# except ValueError: |
| 325 |
|
# msg = resp |
| 326 |
|
# raise ClientException(msg) |
| 327 |
0 |
except ClientException as exc: |
| 328 |
0 |
message="failed to get status of operation {}:\nerror:\n{}".format( |
| 329 |
|
operationId, |
| 330 |
|
str(exc)) |
| 331 |
0 |
raise ClientException(message) |
| 332 |
|
|
| 333 |
0 |
def exec_op(self, name, op_name, op_data=None): |
| 334 |
|
"""Executes an operation on a NSI |
| 335 |
|
""" |
| 336 |
0 |
self._logger.debug("") |
| 337 |
0 |
nsi = self.get(name) |
| 338 |
0 |
try: |
| 339 |
0 |
self._apiResource = '/netslice_instances' |
| 340 |
0 |
self._apiBase = '{}{}{}'.format(self._apiName, |
| 341 |
|
self._apiVersion, self._apiResource) |
| 342 |
0 |
endpoint = '{}/{}/{}'.format(self._apiBase, nsi['_id'], op_name) |
| 343 |
|
#print('OP_NAME: {}'.format(op_name)) |
| 344 |
|
#print('OP_DATA: {}'.format(json.dumps(op_data))) |
| 345 |
0 |
http_code, resp = self._http.post_cmd(endpoint=endpoint, postfields_dict=op_data) |
| 346 |
|
#print('HTTP CODE: {}'.format(http_code)) |
| 347 |
|
#print('RESP: {}'.format(resp)) |
| 348 |
|
#if http_code in (200, 201, 202, 204): |
| 349 |
0 |
if resp: |
| 350 |
0 |
resp = json.loads(resp) |
| 351 |
0 |
if not resp or 'id' not in resp: |
| 352 |
0 |
raise ClientException('unexpected response from server - {}'.format( |
| 353 |
|
resp)) |
| 354 |
0 |
print(resp['id']) |
| 355 |
|
#else: |
| 356 |
|
# msg = "" |
| 357 |
|
# if resp: |
| 358 |
|
# try: |
| 359 |
|
# msg = json.loads(resp) |
| 360 |
|
# except ValueError: |
| 361 |
|
# msg = resp |
| 362 |
|
# raise ClientException(msg) |
| 363 |
0 |
except ClientException as exc: |
| 364 |
0 |
message="failed to exec operation {}:\nerror:\n{}".format( |
| 365 |
|
name, |
| 366 |
|
str(exc)) |
| 367 |
0 |
raise ClientException(message) |
| 368 |
|
|
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