infrastructure-provisioning/src/general/scripts/gcp/common_stop_notebook.py

#!/usr/bin/python

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import logging
import json
import sys
import dlab.fab
import dlab.actions_lib
import dlab.meta_lib
import os
import uuid
import argparse
import sys


def stop_notebook(instance_name, bucket_name, region, zone, ssh_user, key_path, project_name):
    print('Terminating Dataproc cluster and cleaning Dataproc config from bucket')
    try:
        labels = [
            {instance_name: '*'}
        ]
        clusters_list = GCPMeta.get_dataproc_list(labels)
        if clusters_list:
            for cluster_name in clusters_list:
                computational_name = GCPMeta.get_cluster(cluster_name).get('labels').get(
                    'computational_name')
                cluster = GCPMeta.get_list_cluster_statuses([cluster_name])
                GCPActions.bucket_cleanup(bucket_name, project_name, cluster_name)
                print('The bucket {} has been cleaned successfully'.format(bucket_name))
                GCPActions.delete_dataproc_cluster(cluster_name, region)
                print('The Dataproc cluster {} has been terminated successfully'.format(cluster_name))
                GCPActions.remove_kernels(instance_name, cluster_name, cluster[0]['version'], ssh_user,
                                          key_path, computational_name)
        else:
            print("There are no Dataproc clusters to terminate.")
    except Exception as err:
        dlab.fab.append_result("Failed to terminate dataproc", str(err))
        sys.exit(1)

    print("Stopping data engine cluster")
    try:
        clusters_list = GCPMeta.get_list_instances_by_label(zone, instance_name)
        if clusters_list.get('items'):
            for vm in clusters_list['items']:
                try:
                    GCPActions.stop_instance(vm['name'], zone)
                    print("Instance {} has been stopped".format(vm['name']))
                except:
                    pass
        else:
            print("There are no data engine clusters to terminate.")

    except Exception as err:
        dlab.fab.append_result("Failed to stop dataengine cluster", str(err))
        sys.exit(1)

    print("Stopping notebook")
    try:
        GCPActions.stop_instance(instance_name, zone)
    except Exception as err:
        dlab.fab.append_result("Failed to stop instance", str(err))
        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
    GCPMeta = dlab.meta_lib.GCPMeta()
    GCPActions = dlab.actions_lib.GCPActions()
    print('Generating infrastructure names and tags')
    notebook_config = dict()
    notebook_config['service_base_name'] = (os.environ['conf_service_base_name'])
    notebook_config['edge_user_name'] = (os.environ['edge_user_name'])
    notebook_config['project_name'] = (os.environ['project_name']).replace('_', '-').lower()
    notebook_config['endpoint_name'] = (os.environ['endpoint_name']).replace('_', '-').lower()
    notebook_config['notebook_name'] = os.environ['notebook_instance_name']
    notebook_config['bucket_name'] = '{0}-{1}-{2}-bucket'.format(notebook_config['service_base_name'],
                                                                 notebook_config['project_name'],
                                                                 notebook_config['endpoint_name'])
    notebook_config['key_path'] = '{0}{1}.pem'.format(os.environ['conf_key_dir'], os.environ['conf_key_name'])
    notebook_config['gcp_region'] = os.environ['gcp_region']
    notebook_config['gcp_zone'] = os.environ['gcp_zone']

    logging.info('[STOP NOTEBOOK]')
    print('[STOP NOTEBOOK]')
    try:
        stop_notebook(notebook_config['notebook_name'], notebook_config['bucket_name'],
                      notebook_config['gcp_region'], notebook_config['gcp_zone'],
                      os.environ['conf_os_user'], notebook_config['key_path'],
                      notebook_config['project_name'])
    except Exception as err:
        print('Error: {0}'.format(err))
        dlab.fab.append_result("Failed to stop notebook.", str(err))
        sys.exit(1)

    try:
        with open("/root/result.json", 'w') as result:
            res = {"notebook_name": notebook_config['notebook_name'],
                   "Action": "Stop notebook server"}
            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)