| #!/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 dlab.fab |
| import dlab.actions_lib |
| import dlab.meta_lib |
| import boto3 |
| import logging |
| import argparse |
| import sys |
| import os |
| import traceback |
| import json |
| |
| |
| def terminate_emr_cluster(emr_name, bucket_name, tag_name, nb_tag_value, ssh_user, key_path): |
| print('Terminating EMR cluster and cleaning EMR config from S3 bucket') |
| try: |
| clusters_list = dlab.meta_lib.get_emr_list(emr_name, 'Value') |
| if clusters_list: |
| for cluster_id in clusters_list: |
| computational_name = '' |
| client = boto3.client('emr') |
| cluster = client.describe_cluster(ClusterId=cluster_id) |
| cluster = cluster.get("Cluster") |
| emr_name = cluster.get('Name') |
| emr_version = cluster.get('ReleaseLabel') |
| for tag in cluster.get('Tags'): |
| if tag.get('Key') == 'ComputationalName': |
| computational_name = tag.get('Value') |
| dlab.actions_lib.s3_cleanup(bucket_name, emr_name, os.environ['project_name']) |
| print("The bucket {} has been cleaned successfully".format(bucket_name)) |
| dlab.actions_lib.terminate_emr(cluster_id) |
| print("The EMR cluster {} has been terminated successfully".format(emr_name)) |
| print("Removing EMR kernels from notebook") |
| dlab.actions_lib.remove_kernels(emr_name, tag_name, nb_tag_value, ssh_user, key_path, |
| emr_version, computational_name) |
| else: |
| print("There are no EMR clusters to terminate.") |
| except: |
| sys.exit(1) |
| |
| |
| if __name__ == "__main__": |
| local_log_filename = "{}_{}_{}.log".format(os.environ['conf_resource'], os.environ['project_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 |
| dlab.actions_lib.create_aws_config_files() |
| print('Generating infrastructure names and tags') |
| emr_conf = dict() |
| emr_conf['service_base_name'] = (os.environ['conf_service_base_name']) |
| emr_conf['emr_name'] = os.environ['emr_cluster_name'] |
| emr_conf['notebook_name'] = os.environ['notebook_instance_name'] |
| emr_conf['project_name'] = os.environ['project_name'] |
| emr_conf['endpoint_name'] = os.environ['endpoint_name'] |
| emr_conf['bucket_name'] = '{0}-{1}-{2}-bucket'.format(emr_conf['service_base_name'], emr_conf['project_name'], |
| emr_conf['endpoint_name']).lower().replace('_', '-') |
| emr_conf['key_path'] = os.environ['conf_key_dir'] + '/' + os.environ['conf_key_name'] + '.pem' |
| emr_conf['tag_name'] = emr_conf['service_base_name'] + '-tag' |
| |
| try: |
| logging.info('[TERMINATE EMR CLUSTER]') |
| print('[TERMINATE EMR CLUSTER]') |
| try: |
| terminate_emr_cluster(emr_conf['emr_name'], emr_conf['bucket_name'], emr_conf['tag_name'], |
| emr_conf['notebook_name'], os.environ['conf_os_user'], emr_conf['key_path']) |
| except Exception as err: |
| traceback.print_exc() |
| dlab.fab.append_result("Failed to terminate EMR cluster.", str(err)) |
| raise Exception |
| except: |
| sys.exit(1) |
| |
| try: |
| with open("/root/result.json", 'w') as result: |
| res = {"dataengine-service_name": emr_conf['emr_name'], |
| "notebook_name": emr_conf['notebook_name'], |
| "user_own_bucket_name": emr_conf['bucket_name'], |
| "Action": "Terminate EMR cluster"} |
| print(json.dumps(res)) |
| result.write(json.dumps(res)) |
| except Exception as err: |
| dlab.fab.append_result("Error with writing results", str(err)) |
| sys.exit(1) |