components/model-catalog/blueprint-model/test-blueprint/capability_restconf/Scripts/python/RestconfConfigDeploy.py

   1 # ============LICENSE_START=======================================================
   2 #  Copyright (C) 2019 Nordix Foundation.
   3 # ================================================================================
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7 #
   8 #      http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15 #
  16 # SPDX-License-Identifier: Apache-2.0
  17 # ============LICENSE_END=========================================================
  18 from time import sleep
  19
  20 from org.onap.ccsdk.cds.blueprintsprocessor.functions.restconf.executor import \
  21     RestconfComponentFunction
  22 from java.lang import Exception as JavaException
  23
  24
  25 class RestconfConfigDeploy(RestconfComponentFunction):
  26
  27     log = globals()["log"]
  28     seconds_to_sleep = 5
  29     base_mount_url = "restconf/config/network-topology:network-topology/topology/topology-netconf/node/"
  30     server_identifier = "sdncodl"
  31     configlet_template_name = "config-assign"
  32
  33     def process(self, execution_request):
  34
  35         self.log.info("Started execution of process method")
  36         try:
  37             self.log.info("getting resolution-key")
  38             resolution_key = self.getDynamicProperties("resolution-key").asText()
  39             self.log.info("resolution_key: {}", resolution_key)
  40
  41             self.log.info("getting pnf-id")
  42             pnf_id = execution_request.payload.get("config-deploy-request").get("config-deploy-properties").get("entity").get("pnf-id")
  43             pnf_id = str(pnf_id).strip('\"')
  44             self.log.info("pnf-id: {}", pnf_id)
  45
  46             self.log.info("mounting device {}", pnf_id)
  47             self.mount(pnf_id)
  48
  49             self.log.info("sleeping for {} seconds", self.seconds_to_sleep)
  50             sleep(self.seconds_to_sleep)
  51
  52             try:
  53                 self.log.info("configuring device {}", pnf_id)
  54                 self.apply_configuration(pnf_id, resolution_key, self.configlet_template_name)
  55             except Exception, err:
  56                 self.log.error("an error occurred while configuring device {}", err)
  57                 raise err
  58             finally:
  59                 self.log.info("unmounting device {}", pnf_id)
  60                 self.unmount(pnf_id)
  61
  62             self.log.info("Ended execution of process method")
  63
  64         except JavaException, err:
  65             self.log.error("Java Exception in the script", err)
  66             raise err
  67         except Exception, err:
  68             self.log.error("Python Exception in the script", err)
  69             raise err
  70
  71     def mount(self, pnf_id):
  72         self.log.info("meshing mount payload")
  73         mount_payload = self.resolveAndGenerateMessage("config-deploy-mapping", "config-deploy-template")
  74         self.log.info("mount payload: \n {}", mount_payload)
  75
  76         # defining custom header
  77         headers = {
  78             "Content-Type": "application/xml"
  79         }
  80
  81         url = self.base_mount_url + str(pnf_id)
  82         self.log.info("sending mount request, url: {}", url)
  83         web_client_service = self.restClientService(self.server_identifier)
  84         web_client_service.exchangeResource("PUT", url, mount_payload, headers)
  85
  86     def unmount(self, pnf_id):
  87         url = self.base_mount_url + str(pnf_id)
  88         self.log.info("sending unmount request, url: {}", url)
  89         web_client_service = self.restClientService(self.server_identifier)
  90         web_client_service.exchangeResource("DELETE", url, "")
  91
  92     def apply_configuration(self, pnf_id, resolution_key, template_name):
  93         self.log.info("Retrieving configlet from database (resolution-key: {}, template_name: {}",
  94                       resolution_key, template_name)
  95         configlet = self.resolveFromDatabase(resolution_key, template_name)
  96         self.log.info("Configlet: {}", configlet)
  97
  98         # defining custom header
  99         headers = {
 100             "Content-Type": "application/yang.patch+json"
 101         }
 102
 103         url = "restconf/config/network-topology:network-topology/topology/topology-netconf/node/" + pnf_id \
 104               + "/yang-ext:mount/mynetconf:netconflist"
 105         self.log.info("sending patch request,  url: {}", url)
 106         web_client_service = self.restClientService(self.server_identifier)
 107         result = web_client_service.exchangeResource("PATCH", url, configlet, headers)
 108         self.log.info("Configuration application result: {}", result)
 109
 110     def recover(self, runtime_exception, execution_request):
 111         self.log.info("Recover method, no code to execute")
 112         return None