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https://issues.apache.org/jira/browse/BEAM-3342?focusedWorklogId=186076&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-186076
]
ASF GitHub Bot logged work on BEAM-3342:
----------------------------------------
Author: ASF GitHub Bot
Created on: 17/Jan/19 00:26
Start Date: 17/Jan/19 00:26
Worklog Time Spent: 10m
Work Description: chamikaramj commented on pull request #7367:
[BEAM-3342] Create a Cloud Bigtable Python connector Write
URL: https://github.com/apache/beam/pull/7367#discussion_r248501682
##########
File path: sdks/python/apache_beam/io/gcp/bigtable_io_test.py
##########
@@ -0,0 +1,190 @@
+#
+# 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.
+#
+
+"""Unittest for GCP Bigtable testing."""
+from __future__ import absolute_import
+
+import datetime
+import logging
+import random
+import string
+import unittest
+import uuid
+
+import pytz
+
+import apache_beam as beam
+from apache_beam.io.gcp.bigtable_io import BigtableConfiguration
+from apache_beam.io.gcp.bigtable_io import WriteToBigtable
+from apache_beam.metrics.metric import MetricsFilter
+from apache_beam.options.pipeline_options import PipelineOptions
+from apache_beam.runners.runner import PipelineState
+from apache_beam.testing.test_pipeline import TestPipeline
+
+# Protect against environments where bigtable library is not available.
+# pylint: disable=wrong-import-order, wrong-import-position
+try:
+ from google.cloud._helpers import _datetime_from_microseconds
+ from google.cloud._helpers import _microseconds_from_datetime
+ from google.cloud._helpers import UTC
+ from google.cloud.bigtable import row, column_family, Client
+except ImportError:
+ Client = None
+ UTC = pytz.utc
+ _microseconds_from_datetime = lambda label_stamp: label_stamp
+ _datetime_from_microseconds = lambda micro: micro
+
+
+EXISTING_INSTANCES = []
+LABEL_KEY = u'python-bigtable-beam'
+label_stamp = datetime.datetime.utcnow().replace(tzinfo=UTC)
+label_stamp_micros = _microseconds_from_datetime(label_stamp)
+LABELS = {LABEL_KEY: str(label_stamp_micros)}
+
+
+def _retry_on_unavailable(exc):
+ """Retry only errors whose status code is 'UNAVAILABLE'."""
+ from grpc import StatusCode
+ return exc.code() == StatusCode.UNAVAILABLE
+
+
+class GenerateDirectRows(beam.PTransform):
+ """ Generates an iterator of DirectRow object to process on beam pipeline.
+
+ """
+ def __init__(self, number, **kwargs):
+ super(GenerateDirectRows, self).__init__(**kwargs)
+ self.number = number
+ self.rand = random.choice(string.ascii_letters + string.digits)
+ self.column_family_id = 'cf1'
+
+ def _generate(self):
+ value = ''.join(self.rand for i in range(100))
+
+ for index in range(self.number):
+ key = "beam_key%s" % ('{0:07}'.format(index))
+ direct_row = row.DirectRow(row_key=key)
+ for column_id in range(10):
+ direct_row.set_cell(self.column_family_id,
+ ('field%s' % column_id).encode('utf-8'),
+ value,
+ datetime.datetime.now())
+ yield direct_row
+
+ def expand(self, pvalue):
+ return (pvalue
+ | beam.Create(self._generate()))
+
+
+@unittest.skipIf(Client is None, 'GCP Bigtable dependencies are not installed')
+class BigtableIOWriteIT(unittest.TestCase):
Review comment:
Probably better to move the integration test to a separate module. For
example,
https://github.com/apache/beam/blob/master/sdks/python/apache_beam/examples/cookbook/bigquery_tornadoes_it_test.py
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Issue Time Tracking
-------------------
Worklog Id: (was: 186076)
Time Spent: 8h 20m (was: 8h 10m)
> Create a Cloud Bigtable Python connector
> ----------------------------------------
>
> Key: BEAM-3342
> URL: https://issues.apache.org/jira/browse/BEAM-3342
> Project: Beam
> Issue Type: Bug
> Components: sdk-py-core
> Reporter: Solomon Duskis
> Assignee: Solomon Duskis
> Priority: Major
> Time Spent: 8h 20m
> Remaining Estimate: 0h
>
> I would like to create a Cloud Bigtable python connector.
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