class BucketJobDeployment(object):
def __init__(self, job_name, job, job_source_bundle, code_bucket, results_bucket):
from foundations_contrib.global_state import config_manager
from foundations_contrib.job_bundler import JobBundler
self._config = {}
self._config.update(config_manager.config())
self._config['_is_deployment'] = True
self._code_bucket = code_bucket
self._result_bucket = results_bucket
self._job_name = job_name
self._job = job
self._job_bundler = JobBundler(
self._job_name, self._config, self._job, job_source_bundle)
self._job_results = None
def config(self):
return self._config
def job_name(self):
return self._job_name
def deploy(self):
self._job_bundler.bundle()
try:
self._run()
finally:
self._job_bundler.cleanup()
def is_job_complete(self):
return self._result_bucket.exists(self._job_archive_name())
def fetch_job_results(self):
import os
import tarfile
from foundations_internal.serializer import deserialize_from_file
from foundations_contrib.simple_tempfile import SimpleTempfile
if self._job_results is None:
with SimpleTempfile('w+b') as temp_file:
self._result_bucket.download_to_file(
self._job_archive_name(), temp_file)
with tarfile.open(temp_file.name, "r:gz") as tar:
for tarinfo in tar:
if os.path.splitext(tarinfo.name)[1] == ".pkl":
file = tar.extractfile(tarinfo)
self._job_results = deserialize_from_file(file)
file.close()
return self._job_results
def _job_archive_name(self):
return self._job_bundler.job_archive_name()
def upload_to_result_bucket(self):
self._bucket_upload_from_file(self._result_bucket)
def _run(self):
self._bucket_upload_from_file(self._code_bucket)
def _bucket_upload_from_file(self, bucket):
with open(self._job_archive(), 'rb') as file:
bucket.upload_from_file(self._job_archive_name(), file)
def _job_archive_name(self):
return self._job_bundler.job_archive_name()
def _job_archive(self):
return self._job_bundler.job_archive()
def test_job_archive_method_returns_job_archive(self):
job_bundler = JobBundler('fake_name', {}, None, None)
self.assertEqual(job_bundler.job_archive(), self.temp_directory + '/fake_name.tgz')