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remove_successful_one_time_jobs.py
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remove_successful_one_time_jobs.py
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#!/usr/bin/env python3
# Copyright 2020 Google LLC
#
# Licensed 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.
"""
A tool for removing successful one-time jobs.
"""
import json
import logging
import os
import time
from constants.status import STATUS, sts_operation_status_to_table_status
from lib.services import Services
logging.basicConfig()
logger = logging.getLogger(__name__)
logger.setLevel(os.environ.get("LOGLEVEL", "INFO").upper())
def determine_if_all_operations_were_successful(job_name: str,
services: Services):
"""
Determines if all operations for a given job were successful.
"""
job_filter = json.dumps({
"project_id": services.bigquery.project,
"job_names": [job_name]
})
request = services.sts.transferOperations().list(
name='transferOperations', filter=job_filter, pageSize=256)
while request is not None:
response = request.execute()
if not response:
break
for operation in response['operations']:
operation_status = operation['metadata']['status']
status = sts_operation_status_to_table_status(operation_status)
if status != STATUS.DONE:
return False
request = services.sts.transferOperations().list_next(
previous_request=request, previous_response=response)
return True
def delete_all_successful_one_time_jobs(services: Services):
"""
Removes all successful one-time jobs.
"""
logger.info('Removing all successful jobs...')
job_filter = json.dumps({"project_id": services.bigquery.project})
request = services.sts.transferJobs().list(filter=job_filter, pageSize=256)
count = 0
while request is not None:
response = request.execute()
if not response:
break
for job in response['transferJobs']:
name = job['name']
schedule = job['schedule']
# determine if one-time operation
for key in ['year', 'month', 'day']:
if schedule['scheduleStartDate'][key] != \
schedule['scheduleEndDate'][key]:
logger.info(f'Skipping non one-time job `{name}`')
continue
if not determine_if_all_operations_were_successful(name, services):
logger.info(
f'Skipping job with non-complete or failed ops: `{name}`')
continue
logger.info(f'Removing `{name}`...')
operation_request_body = {
'projectId': services.bigquery.project,
'transferJob': {
'status': 'DELETED'
}
}
operation_request = services.sts.transferJobs().patch(
jobName=name, body=operation_request_body)
operation_request.execute()
logger.info(f'...removed `{name}`.')
count += 1
# https://cloud.google.com/storage-transfer/quotas
# - Maximum requests per 100 seconds per user: 1000
# - Maximum requests per 100 seconds per project: 1000
# Taking the time between each call into account,
# we can perform an exact count-based delay
if count % 1000 == 0:
logger.debug('Sleeping a bit to avoid quota limit...')
time.sleep(100)
logger.debug('...waking up.')
request = services.sts.transferJobs().list_next(
previous_request=request, previous_response=response)
logger.info(f'...removed all successful jobs. Count: {count}')
def main():
"""
The main function.
"""
services = Services()
delete_all_successful_one_time_jobs(services)
if __name__ == "__main__":
main()