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https://issues.apache.org/jira/browse/BEAM-6464?focusedWorklogId=189391&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-189391
]
ASF GitHub Bot logged work on BEAM-6464:
----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Jan/19 10:12
Start Date: 24/Jan/19 10:12
Worklog Time Spent: 10m
Work Description: robertwb commented on pull request #7563: [BEAM-6464]
Enable docker environment for SDK workers.
URL: https://github.com/apache/beam/pull/7563#discussion_r250538244
##########
File path: sdks/python/apache_beam/runners/portability/artifact_service.py
##########
@@ -0,0 +1,122 @@
+# 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.
+#
+"""Implementation of the Arrtifact{Staging,Retrieval}Service.
+
+The staging service here can be backed by any beam filesystem.
+"""
+
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+
+import hashlib
+import os
+import random
+import re
+
+from apache_beam.io import filesystems
+from apache_beam.portability.api import beam_artifact_api_pb2
+from apache_beam.portability.api import beam_artifact_api_pb2_grpc
+
+
+class BeamFilesystemArtifactService(
+ beam_artifact_api_pb2_grpc.ArtifactStagingServiceServicer,
+ beam_artifact_api_pb2_grpc.ArtifactRetrievalServiceServicer):
+
+ _DEFAULT_CHUNK_SIZE = 10 << 20 # 10mb
+
+ def __init__(self, root, chunk_size=_DEFAULT_CHUNK_SIZE):
+ self._root = root
+ self._chunk_size = chunk_size
+
+ def _sha256(self, string):
+ return hashlib.sha256(string.encode('utf-8')).hexdigest()
+
+ def _mkdir(self, retrieval_token):
+ dir = os.path.join(self._root, retrieval_token)
+ if not filesystems.FileSystems.exists(dir):
+ try:
+ filesystems.FileSystems.mkdirs(dir)
+ except Exception:
+ pass
+
+ def retrieval_token(self, staging_session_token):
+ return self._sha256(staging_session_token)
+
+ def _artifact_path(self, retrieval_token, name):
+ # These are user-provided, best to check.
+ assert re.match('^[0-9a-f]+$', retrieval_token)
+ self._mkdir(retrieval_token)
+ return os.path.join(self._root, retrieval_token, self._sha256(name))
+
+ def _manifest_path(self, retrieval_token):
+ # These are user-provided, best to check.
+ assert re.match('^[0-9a-f]+$', retrieval_token)
+ self._mkdir(retrieval_token)
+ return os.path.join(self._root, retrieval_token, 'manifest.proto')
+
+ def PutArtifact(self, request_iterator, context=None):
+ first = True
+ for request in request_iterator:
+ if first:
+ first = False
+ metadata = request.metadata.metadata
+ retrieval_token = self.retrieval_token(
+ request.metadata.staging_session_token)
+ self._mkdir(retrieval_token)
+ temp_path = os.path.join(
+ self._root,
+ retrieval_token,
+ '%x.tmp' % random.getrandbits(128))
+ fout = filesystems.FileSystems.create(temp_path)
+ hasher = hashlib.sha256()
+ else:
+ hasher.update(request.data.data)
+ fout.write(request.data.data)
+ fout.close()
+ data_hash = hasher.hexdigest()
+ if metadata.sha256 and metadata.sha256 != data_hash:
+ filesystems.FileSystems.delete([temp_path])
+ raise ValueError('Bad metadata hash: %s vs %s' % (
+ metadata.metadata.sha256, data_hash))
+ filesystems.FileSystems.rename(
+ [temp_path], [self._artifact_path(retrieval_token, metadata.name)])
+ return beam_artifact_api_pb2.PutArtifactResponse()
+
+ def CommitManifest(self, request, context=None):
+ retrieval_token = self.retrieval_token(request.staging_session_token)
+ with filesystems.FileSystems.create(
+ self._manifest_path(retrieval_token), 'w') as fout:
Review comment:
Actually, we don't want anything here, given we're using Filesystems.create.
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Issue Time Tracking
-------------------
Worklog Id: (was: 189391)
Time Spent: 1h 50m (was: 1h 40m)
> PortableRunner should run dockerized SDK workers
> ------------------------------------------------
>
> Key: BEAM-6464
> URL: https://issues.apache.org/jira/browse/BEAM-6464
> Project: Beam
> Issue Type: New Feature
> Components: sdk-py-core
> Reporter: Robert Bradshaw
> Assignee: Ahmet Altay
> Priority: Major
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> These can be controlled by the environment variable.
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