lcm/pub/msapi/sdc.py

   1 # Copyright 2017 ZTE Corporation.
   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 import json
  16 import logging
  17 import os
  18
  19 from lcm.pub.exceptions import NSLCMException
  20 from lcm.pub.utils import restcall
  21 from lcm.pub.config.config import SDC_BASE_URL, SDC_USER, SDC_PASSWD
  22
  23 logger = logging.getLogger(__name__)
  24
  25 ASSETTYPE_RESOURCES = "resources"
  26 ASSETTYPE_SERVICES = "services"
  27
  28
  29 def call_sdc(resource, method, content=''):
  30     additional_headers = {
  31         'X-ECOMP-InstanceID': 'VFC',
  32     }
  33     return restcall.call_req(base_url=SDC_BASE_URL,
  34                              user=SDC_USER,
  35                              passwd=SDC_PASSWD,
  36                              auth_type=restcall.rest_no_auth,
  37                              resource=resource,
  38                              method=method,
  39                              content=content,
  40                              additional_headers=additional_headers)
  41
  42
  43 """
  44 sample of return value
  45 [
  46     {
  47         "uuid": "c94490a0-f7ef-48be-b3f8-8d8662a37236",
  48         "invariantUUID": "63eaec39-ffbe-411c-a838-448f2c73f7eb",
  49         "name": "underlayvpn",
  50         "version": "2.0",
  51         "toscaModelURL": "/sdc/v1/catalog/resources/c94490a0-f7ef-48be-b3f8-8d8662a37236/toscaModel",
  52         "category": "Volte",
  53         "subCategory": "VolteVF",
  54         "resourceType": "VF",
  55         "lifecycleState": "CERTIFIED",
  56         "lastUpdaterUserId": "jh0003"
  57     }
  58 ]
  59 """
  60
  61
  62 def get_artifacts(asset_type):
  63     resource = "/sdc/v1/catalog/{assetType}"
  64     resource = resource.format(assetType=asset_type)
  65     ret = call_sdc(resource, "GET")
  66     if ret[0] != 0:
  67         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
  68         raise NSLCMException("Failed to query artifacts(%s) from sdc." % asset_type)
  69     return json.JSONDecoder().decode(ret[1])
  70
  71
  72 def get_artifact(asset_type, csar_id):
  73     artifacts = get_artifacts(asset_type)
  74     for artifact in artifacts:
  75         if artifact["uuid"] == csar_id:
  76             return artifact
  77     raise NSLCMException("Failed to query artifact(%s,%s) from sdc." % (asset_type, csar_id))
  78
  79
  80 def delete_artifact(asset_type, asset_id, artifact_id):
  81     resource = "/sdc/v1/catalog/{assetType}/{uuid}/artifacts/{artifactUUID}"
  82     resource = resource.format(assetType=asset_type, uuid=asset_id, artifactUUID=artifact_id)
  83     ret = call_sdc(resource, "DELETE")
  84     if ret[0] != 0:
  85         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
  86         raise NSLCMException("Failed to delete artifacts(%s) from sdc." % artifact_id)
  87     return json.JSONDecoder().decode(ret[1])
  88
  89
  90 def download_artifacts(download_url, local_path, file_name):
  91     additional_headers = {
  92         'X-ECOMP-InstanceID': 'VFC',
  93         'accept': 'application/octet-stream'
  94     }
  95     ret = restcall.call_req(base_url=SDC_BASE_URL,
  96                             user=SDC_USER,
  97                             passwd=SDC_PASSWD,
  98                             auth_type=restcall.rest_no_auth,
  99                             resource=download_url,
 100                             method="GET",
 101                             additional_headers=additional_headers)
 102     if ret[0] != 0:
 103         logger.error("Status code is %s, detail is %s.", ret[2], ret[1])
 104         raise NSLCMException("Failed to download %s from sdc." % download_url)
 105     local_file_name = os.path.join(local_path, file_name)
 106     local_file = open(local_file_name, 'wb')
 107     local_file.write(ret[1])
 108     local_file.close()
 109     return local_file_name