def terminate_edge_node()

in infrastructure-provisioning/src/general/scripts/gcp/project_terminate.py [0:0]

• 108 lines of code
• 38 McCabe index (conditional complexity)

def terminate_edge_node(endpoint_name, project_name, service_base_name, region, zone):
    logging.info("Terminating Dataengine-service clusters")
    try:
        labels = [
            {'sbn': service_base_name},
            {'project_tag': project_name}
        ]
        clusters_list = GCPMeta.get_dataproc_list(labels)
        if clusters_list:
            for cluster_name in clusters_list:
                GCPActions.delete_dataproc_cluster(cluster_name, region)
                logging.info('The Dataproc cluster {} has been terminated successfully'.format(cluster_name))
        else:
            logging.info("There are no Dataproc clusters to terminate.")
    except Exception as err:
        datalab.fab.append_result("Failed to terminate dataengine-service", str(err))
        sys.exit(1)

    logging.info("Terminating EDGE and notebook instances")
    base = '{}-{}-{}'.format(service_base_name, project_name, endpoint_name)
    keys = ['edge', 'ps', 'static-ip', 'bucket', 'subnet']
    targets = ['{}-{}'.format(base, k) for k in keys]
    try:
        instances = GCPMeta.get_list_instances(zone, base)
        if 'items' in instances:
            for i in instances['items']:
                if 'project_tag' in i['labels'] and project_name == i['labels']['project_tag']:
                    GCPActions.remove_instance(i['name'], zone)
    except Exception as err:
        datalab.fab.append_result("Failed to terminate instances", str(err))
        sys.exit(1)

    logging.info("Removing static addresses")
    try:
        static_addresses = GCPMeta.get_list_static_addresses(region, base)
        if 'items' in static_addresses:
            for i in static_addresses['items']:
                if bool(set(targets) & set([i['name']])):
                    GCPActions.remove_static_address(i['name'], region)
    except Exception as err:
        datalab.fab.append_result("Failed to remove static addresses", str(err))
        sys.exit(1)

    logging.info("Removing storage bucket")
    try:
        buckets = GCPMeta.get_list_buckets(base)
        if 'items' in buckets:
            for i in buckets['items']:
                if bool(set(targets) & set([i['name']])):
                    GCPActions.remove_bucket(i['name'])
    except Exception as err:
        datalab.fab.append_result("Failed to remove storage buckets", str(err))
        sys.exit(1)

    logging.info("Removing project specific images")
    try:
        project_image_name_beginning = '{}-{}-{}'.format(service_base_name, project_name, endpoint_name)
        images = GCPMeta.get_list_images(project_image_name_beginning)
        if 'items' in images:
            for i in images['items']:
                GCPActions.remove_image(i['name'])
    except Exception as err:
        logging.info('Error: {0}'.format(err))
        sys.exit(1)

    logging.info("Removing firewalls")
    try:
        firewalls = GCPMeta.get_list_firewalls(base)
        if 'items' in firewalls:
            for i in firewalls['items']:
                if bool(set(targets) & set(i['targetTags'])):
                    GCPActions.remove_firewall(i['name'])
    except Exception as err:
        datalab.fab.append_result("Failed to remove security groups", str(err))
        sys.exit(1)

    logging.info("Removing Service accounts and roles")
    try:
        list_service_accounts = GCPMeta.get_list_service_accounts()
        sa_keys = ['edge-sa', 'ps-sa']
        role_keys = ['edge-role', 'ps-role']
        sa_target = ['{}-{}'.format(base, k) for k in sa_keys]
        indexes = [GCPMeta.get_index_by_service_account_name('{}-{}'.format(base, k)) for k in sa_keys]
        role_targets = ['{}-{}-{}'.format(base, i, k) for k in role_keys for i in indexes]
        for service_account in (set(sa_target) & set(list_service_accounts)):
            GCPActions.remove_service_account(service_account, service_base_name)
        list_roles_names = GCPMeta.get_list_roles()
        for role in (set(role_targets) & set(list_roles_names)):
            GCPActions.remove_role(role)
    except Exception as err:
        datalab.fab.append_result("Failed to remove service accounts and roles", str(err))
        sys.exit(1)

    logging.info("Removing subnets")
    try:
        list_subnets = GCPMeta.get_list_subnetworks(region, '', base)
        if 'items' in list_subnets:
            vpc_selflink = list_subnets['items'][0]['network']
            vpc_name = vpc_selflink.split('/')[-1]
            subnets = GCPMeta.get_list_subnetworks(region, vpc_name, base)
            for i in subnets['items']:
                if bool(set(targets) & set([i['name']])):
                    GCPActions.remove_subnet(i['name'], region)
    except Exception as err:
        datalab.fab.append_result("Failed to remove subnets", str(err))
        sys.exit(1)

    logging.info("Removing nat route")
    try:
        nat_route_name = '{0}-{1}-{2}-nat-route'.format(service_base_name, project_name, endpoint_name)
        route = GCPMeta.get_route(nat_route_name)
        if route:
            GCPActions.delete_nat_route(nat_route_name)
    except Exception as err:
        datalab.fab.append_result("Failed to remove nat route", str(err))
        sys.exit(1)