| #!/usr/bin/python |
| |
| # ***************************************************************************** |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| # ****************************************************************************** |
| |
| import logging |
| import json |
| import sys |
| from dlab.fab import * |
| from dlab.meta_lib import * |
| from dlab.actions_lib import * |
| import os |
| import uuid |
| |
| |
| def terminate_data_engine(resource_group_name, notebook_name, os_user, key_path, cluster_name): |
| print("Terminating data engine cluster") |
| try: |
| for vm in AzureMeta().compute_client.virtual_machines.list(resource_group_name): |
| if "Name" in vm.tags: |
| if cluster_name == vm.tags["Name"]: |
| AzureActions().remove_instance(resource_group_name, vm.name) |
| print("Instance {} has been terminated".format(vm.name)) |
| except Exception as err: |
| print('Error: {0}'.format(err)) |
| sys.exit(1) |
| |
| print("Removing Data Engine kernels from notebook") |
| try: |
| AzureActions().remove_dataengine_kernels(resource_group_name, notebook_name, os_user, key_path, cluster_name) |
| except Exception as err: |
| print('Error: {0}'.format(err)) |
| sys.exit(1) |
| |
| |
| if __name__ == "__main__": |
| local_log_filename = "{}_{}_{}.log".format(os.environ['conf_resource'], os.environ['edge_user_name'], |
| os.environ['request_id']) |
| local_log_filepath = "/logs/" + os.environ['conf_resource'] + "/" + local_log_filename |
| logging.basicConfig(format='%(levelname)-8s [%(asctime)s] %(message)s', |
| level=logging.DEBUG, |
| filename=local_log_filepath) |
| # generating variables dictionary |
| print('Generating infrastructure names and tags') |
| data_engine = dict() |
| try: |
| data_engine['exploratory_name'] = os.environ['exploratory_name'].replace('_', '-') |
| except: |
| data_engine['exploratory_name'] = '' |
| try: |
| data_engine['computational_name'] = os.environ['computational_name'].replace('_', '-') |
| except: |
| data_engine['computational_name'] = '' |
| data_engine['service_base_name'] = os.environ['conf_service_base_name'] |
| data_engine['resource_group_name'] = os.environ['azure_resource_group_name'] |
| data_engine['user_name'] = os.environ['edge_user_name'].replace('_', '-') |
| data_engine['cluster_name'] = '{}-{}-de-{}-{}'.format(data_engine['service_base_name'], |
| data_engine['user_name'], |
| data_engine['exploratory_name'], |
| data_engine['computational_name']) |
| data_engine['notebook_name'] = os.environ['notebook_instance_name'] |
| data_engine['key_path'] = '{}{}.pem'.format(os.environ['conf_key_dir'], os.environ['conf_key_name']) |
| |
| |
| try: |
| logging.info('[TERMINATE DATA ENGINE]') |
| print('[TERMINATE DATA ENGINE]') |
| try: |
| terminate_data_engine(data_engine['resource_group_name'], data_engine['notebook_name'], |
| os.environ['conf_os_user'], data_engine['key_path'], data_engine['cluster_name']) |
| except Exception as err: |
| traceback.print_exc() |
| append_result("Failed to terminate Data Engine.", str(err)) |
| raise Exception |
| except: |
| sys.exit(1) |
| |
| try: |
| with open("/root/result.json", 'w') as result: |
| res = {"service_base_name": data_engine['service_base_name'], |
| "Action": "Terminate Data Engine"} |
| print(json.dumps(res)) |
| result.write(json.dumps(res)) |
| except: |
| print("Failed writing results.") |
| sys.exit(0) |