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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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""" |
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OSM vim 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 Vim(object): |
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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 = "/admin" |
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self._apiVersion = "/v1" |
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self._apiResource = "/vim_accounts" |
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self._apiBase = "{}{}{}".format( |
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self._apiName, self._apiVersion, self._apiResource |
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) |
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|
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# VIM '--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, "/vim_accounts") |
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# Wait for status for VIM instance creation/deletion |
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if isinstance(wait_time, bool): |
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wait_time = WaitForStatus.TIMEOUT_VIM_OPERATION |
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WaitForStatus.wait_for_status( |
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"VIM", |
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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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|
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def _get_id_for_wait(self, name): |
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"""Returns id of name, or the id itself if given as argument""" |
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self._logger.debug("") |
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self._client.get_token() |
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for vim in self.list(): |
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if name == vim["uuid"] or name == vim["name"]: |
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return vim["uuid"] |
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return "" |
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|
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def create( |
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self, |
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name, |
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vim_access, |
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config={}, |
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sdn_controller=None, |
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sdn_port_mapping=None, |
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wait=False, |
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): |
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vca_id = None |
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|
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def get_vca_id(vca): |
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vca = self._client.vca.get(vca) |
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if vca is None: |
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raise NotFound("cannot find vca '{}'".format(vca)) |
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return vca["_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 "vca" in vim_access: |
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vca_id = get_vca_id(vim_access["vca"]) |
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if "vim-type" not in vim_access: |
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# 'openstack' not in vim_access['vim-type']): |
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raise Exception("vim type not provided") |
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vim_account = {} |
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vim_account["name"] = name |
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vim_account = self.update_vim_account_dict(vim_account, vim_access) |
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if vca_id: |
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vim_account["vca"] = vca_id |
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vim_config = config |
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if sdn_controller: |
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sdnc = self._client.sdnc.get(sdn_controller) |
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vim_config["sdn-controller"] = sdnc["_id"] |
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if sdn_port_mapping: |
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with open(sdn_port_mapping, "r") as f: |
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vim_config["sdn-port-mapping"] = yaml.safe_load(f.read()) |
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if vim_config: |
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vim_account["config"] = vim_config |
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# vim_account['config'] = json.dumps(vim_config) |
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|
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http_code, resp = self._http.post_cmd( |
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endpoint=self._apiBase, postfields_dict=vim_account |
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) |
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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(resp)) |
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if wait: |
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# Wait for status for VIM instance creation |
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self._wait(resp.get("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("failed to create vim {} - {}".format(name, msg)) |
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|
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def update( |
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self, |
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vim_name, |
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vim_account, |
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config, |
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sdn_controller, |
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sdn_port_mapping, |
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wait=False, |
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): |
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self._logger.debug("") |
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self._client.get_token() |
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vim = self.get(vim_name) |
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vim_id_for_wait = self._get_id_for_wait(vim_name) |
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vim_config = {} |
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if config is not None: |
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if not config and (sdn_controller or sdn_port_mapping): |
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# If config is empty (clearing config) |
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raise ClientException( |
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"clearing config is incompatible with updating SDN info" |
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) |
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vim_config = config |
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if sdn_controller == "": |
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vim_config["sdn-controller"] = None |
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vim_config["sdn-port-mapping"] = None |
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else: |
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if sdn_controller: |
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sdnc = self._client.sdnc.get(sdn_controller) |
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vim_config["sdn-controller"] = sdnc["_id"] |
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if sdn_port_mapping: |
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with open(sdn_port_mapping, "r") as f: |
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vim_config["sdn-port-mapping"] = yaml.safe_load(f.read()) |
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vim_account["config"] = vim_config |
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# vim_account['config'] = json.dumps(vim_config) |
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http_code, resp = self._http.patch_cmd( |
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endpoint="{}/{}".format(self._apiBase, vim["_id"]), |
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postfields_dict=vim_account, |
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) |
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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 wait: |
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# In this case, 'resp' always returns None, so 'resp['id']' cannot be used. |
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# Use the previously obtained id instead. |
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wait_id = vim_id_for_wait |
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# Wait for status for VI instance update |
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self._wait(wait_id, wait) |
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# else: |
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# pass |
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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("failed to update vim {} - {}".format(vim_name, msg)) |
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|
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def update_vim_account_dict(self, vim_account, vim_access): |
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self._logger.debug("") |
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vim_account["vim_type"] = vim_access["vim-type"] |
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vim_account["description"] = vim_access["description"] |
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vim_account["vim_url"] = vim_access["vim-url"] or "null" |
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vim_account["vim_user"] = vim_access["vim-username"] or "null" |
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vim_account["vim_password"] = vim_access["vim-password"] or "null" |
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vim_account["vim_tenant_name"] = vim_access["vim-tenant-name"] or "null" |
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if "prometheus-config" in vim_access: |
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vim_account["prometheus-config"] = vim_access["prometheus-config"] |
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return vim_account |
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|
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def get_id(self, name): |
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"""Returns a VIM id from a VIM name""" |
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self._logger.debug("") |
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for vim in self.list(): |
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if name == vim["name"]: |
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return vim["uuid"] |
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raise NotFound("vim {} not found".format(name)) |
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|
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def delete(self, vim_name, force=False, wait=False): |
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self._logger.debug("") |
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self._client.get_token() |
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vim_id = vim_name |
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if not utils.validate_uuid4(vim_name): |
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vim_id = self.get_id(vim_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( |
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"{}/{}{}".format(self._apiBase, vim_id, querystring) |
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) |
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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: |
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# When deleting an account, 'resp' may be None. |
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# In such a case, the 'id' from 'resp' cannot be used, so use 'vim_id' instead |
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wait_id = vim_id |
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if resp: |
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resp = json.loads(resp) |
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wait_id = resp.get("id") |
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# Wait for status for VIM account deletion |
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self._wait(wait_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 vim {} - {}".format(vim_name, msg)) |
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|
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def list(self, filter=None): |
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"""Returns a list of VIM accounts""" |
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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 not resp: |
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return list() |
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vim_accounts = json.loads(resp) |
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for datacenter in vim_accounts: |
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datacenter["uuid"] = datacenter.get("_id") # backward compatibility? |
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return vim_accounts |
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|
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def get(self, name): |
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"""Returns a VIM account based on name or id""" |
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self._logger.debug("") |
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self._client.get_token() |
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vim_id = name |
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if not utils.validate_uuid4(name): |
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vim_id = self.get_id(name) |
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try: |
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_, resp = self._http.get2_cmd("{}/{}".format(self._apiBase, vim_id)) |
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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("failed to get vim info: {}".format(resp)) |
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return resp |
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except NotFound: |
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raise NotFound("vim '{}' not found".format(name)) |
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