components/model-catalog/blueprint-model/uat-blueprints/pnf_config/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 # ============LICENSE_END=========================================================
  16
  17 from java.lang import Exception as JavaException
  18
  19 from restconf_client import RestconfClient
  20 from org.onap.ccsdk.cds.blueprintsprocessor.services.execution import AbstractScriptComponentFunction
  21
  22
  23 class RestconfConfigDeploy(AbstractScriptComponentFunction):
  24     log = globals()["log"]
  25     configlet_template_name = "config-assign"
  26     configlet_resource_path = "/yang-ext:mount/mynetconf:netconflist"
  27     restconf_server_identifier = "sdncodl"
  28
  29     def process(self, execution_request):
  30
  31         self.log.info("Started execution of process method")
  32         try:
  33             restconf_client = RestconfClient(self.log, self)
  34             pnf_id, resolution_key = self.retrieve_parameters(execution_request)
  35             web_client_service = restconf_client.web_client_service(self.restconf_server_identifier)
  36
  37             try:
  38                 # mount the device
  39                 mount_payload = restconf_client.resolve_and_generate_message_from_template_prefix("config-deploy")
  40                 restconf_client.mount_device(web_client_service, pnf_id, mount_payload, "application/json")
  41
  42                 # log the current configuration subtree
  43                 current_configuration = restconf_client.retrieve_device_configuration_subtree(
  44                     web_client_service, pnf_id, self.configlet_resource_path)
  45                 self.log.info("Current configuration subtree: {}", current_configuration)
  46
  47                 # apply configuration
  48                 configlet = restconf_client.retrieve_resolved_template_from_database(resolution_key, self.configlet_template_name)
  49                 restconf_client.configure_device_json_patch(
  50                     web_client_service, pnf_id, self.configlet_resource_path, configlet)
  51             except Exception, err:
  52                 self.log.error("an error occurred while configuring device {}", err)
  53                 raise err
  54             finally:
  55                 restconf_client.unmount_device(web_client_service, pnf_id)
  56
  57         except JavaException, err:
  58             self.log.error("Java Exception in the script", err)
  59             raise err
  60         except Exception, err:
  61             self.log.error("Python Exception in the script:" + str(err), err)
  62             raise err
  63         self.log.info("Ended execution of process method")
  64
  65     def retrieve_parameters(self, execution_request):
  66         resolution_key = self.getDynamicProperties("resolution-key").asText()
  67         self.log.info("resolution_key: {}", resolution_key)
  68         pnf_id = execution_request.payload.get("config-deploy-request").get("config-deploy-properties").get("pnf-id")
  69         pnf_id = str(pnf_id).strip('\"')
  70         self.log.info("pnf-id: {}", pnf_id)
  71         return pnf_id, resolution_key
  72
  73     def recover(self, runtime_exception, execution_request):
  74         self.log.info("Recover function called!")
  75         self.log.info("Execution request", execution_request)
  76         self.log.error("Exception", runtime_exception)
  77         print self.bluePrintRuntimeService.getBluePrintError().addError(runtime_exception.getMessage())
  78         return None