osmclient/sol005/vca.py

   1 # Copyright 2021 Canonical Ltd.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 #     Unless required by applicable law or agreed to in writing, software
  10 #     distributed under the License is distributed on an "AS IS" BASIS,
  11 #     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 #     See the License for the specific language governing permissions and
  13 #     limitations under the License.
  14
  15 """
  16 OSM K8s cluster API handling
  17 """
  18
  19 from osmclient.common import utils
  20 from osmclient.common.exceptions import NotFound
  21 from osmclient.common.exceptions import ClientException
  22 import json
  23
  24
  25 class VCA(object):
  26     def __init__(self, http=None, client=None):
  27         self._http = http
  28         self._client = client
  29         self._apiName = "/admin"
  30         self._apiVersion = "/v1"
  31         self._apiResource = "/vca"
  32         self._apiBase = "{}{}{}".format(
  33             self._apiName, self._apiVersion, self._apiResource
  34         )
  35
  36     def create(self, name, vca):
  37         self._client.get_token()
  38         http_code, resp = self._http.post_cmd(
  39             endpoint=self._apiBase, postfields_dict=vca
  40         )
  41         resp = json.loads(resp) if resp else {}
  42         if "id" not in resp:
  43             raise ClientException("unexpected response from server - {}".format(resp))
  44         print(resp["id"])
  45
  46     def update(self, name, vca):
  47         self._client.get_token()
  48         vca_id = self.get(name)["_id"]
  49         self._http.patch_cmd(
  50             endpoint="{}/{}".format(self._apiBase, vca_id),
  51             postfields_dict=vca,
  52         )
  53
  54     def get_id(self, name):
  55         """Returns a VCA id from a VCA name"""
  56         for vca in self.list():
  57             if name == vca["name"]:
  58                 return vca["_id"]
  59         raise NotFound("VCA {} not found".format(name))
  60
  61     def delete(self, name, force=False):
  62         self._client.get_token()
  63         vca_id = name
  64         if not utils.validate_uuid4(name):
  65             vca_id = self.get_id(name)
  66         querystring = "?FORCE=True" if force else ""
  67         http_code, resp = self._http.delete_cmd(
  68             "{}/{}{}".format(self._apiBase, vca_id, querystring)
  69         )
  70         if http_code == 202:
  71             print("Deletion in progress")
  72         elif http_code == 204:
  73             print("Deleted")
  74         else:
  75             msg = resp or ""
  76             raise ClientException("failed to delete VCA {} - {}".format(name, msg))
  77
  78     def list(self, cmd_filter=None):
  79         """Returns a list of K8s clusters"""
  80         self._client.get_token()
  81         filter_string = ""
  82         if cmd_filter:
  83             filter_string = "?{}".format(cmd_filter)
  84         _, resp = self._http.get2_cmd("{}{}".format(self._apiBase, filter_string))
  85         if resp:
  86             return json.loads(resp)
  87         return list()
  88
  89     def get(self, name):
  90         """Returns a VCA based on name or id"""
  91         self._client.get_token()
  92         vca_id = name
  93         if not utils.validate_uuid4(name):
  94             vca_id = self.get_id(name)
  95         try:
  96             _, resp = self._http.get2_cmd("{}/{}".format(self._apiBase, vca_id))
  97             resp = json.loads(resp) if resp else {}
  98             if "_id" not in resp:
  99                 raise ClientException("failed to get VCA info: {}".format(resp))
 100             return resp
 101         except NotFound:
 102             raise NotFound("VCA {} not found".format(name))