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https://issues.apache.org/jira/browse/BEAM-3342?focusedWorklogId=295111&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-295111
]
ASF GitHub Bot logged work on BEAM-3342:
----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Aug/19 00:56
Start Date: 15/Aug/19 00:56
Worklog Time Spent: 10m
Work Description: pabloem commented on pull request #8457: [BEAM-3342]
Create a Cloud Bigtable IO connector for Python
URL: https://github.com/apache/beam/pull/8457#discussion_r314140821
##########
File path: sdks/python/apache_beam/io/gcp/bigtableio_it_test.py
##########
@@ -0,0 +1,189 @@
+#
+# 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.
+#
+
+""" Integration test for GCP Bigtable testing."""
+from __future__ import absolute_import
+
+import argparse
+import datetime
+import logging
+import random
+import string
+import time
+import unittest
+from nose.plugins.attrib import attr
+
+import apache_beam as beam
+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.util import assert_that, equal_to
+from apache_beam.transforms.combiners import Count
+
+try:
+ from google.cloud.bigtable import enums, row, column_family, Client
+except ImportError:
+ Client = None
+
+import bigtableio
+
+class GenerateTestRows(beam.PTransform):
+ """ A PTransform to generate dummy rows to write to a Bigtable Table.
+
+ A PTransform that generates a list of `DirectRow` and writes it to a
Bigtable Table.
+ """
+ def __init__(self):
+ super(self.__class__, self).__init__()
+ self.beam_options = {'project_id': PROJECT_ID,
+ 'instance_id': INSTANCE_ID,
+ 'table_id': TABLE_ID}
+
+ def _generate(self):
+ for i in range(ROW_COUNT):
+ key = "key_%s" % ('{0:012}'.format(i))
+ test_row = row.DirectRow(row_key=key)
+ value = ''.join(random.choice(LETTERS_AND_DIGITS) for _ in
range(CELL_SIZE))
+ for j in range(COLUMN_COUNT):
+ test_row.set_cell(column_family_id=COLUMN_FAMILY_ID,
+ column=('field%s' % j).encode('utf-8'),
+ value=value,
+ timestamp=datetime.datetime.now())
+ yield test_row
+
+ def expand(self, pvalue):
+ return (pvalue
+ | beam.Create(self._generate())
+ |
bigtableio.WriteToBigTable(project_id=self.beam_options['project_id'],
+
instance_id=self.beam_options['instance_id'],
+
table_id=self.beam_options['table_id']))
+
+@unittest.skipIf(Client is None, 'GCP Bigtable dependencies are not installed')
+class BigtableIOTest(unittest.TestCase):
+ """ Bigtable IO Connector Test
+
+ This tests the connector both ways, first writing rows to a new table, then
reading them and comparing the counters
+ """
+ def setUp(self):
+ self.result = None
+ self.table = Client(project=PROJECT_ID, admin=True)\
+ .instance(instance_id=INSTANCE_ID)\
+ .table(TABLE_ID)
+
+ if not self.table.exists():
+ column_families = {COLUMN_FAMILY_ID: column_family.MaxVersionsGCRule(2)}
+ self.table.create(column_families=column_families)
+ logging.info('Table {} has been created!'.format(TABLE_ID))
+
+ @attr('IT')
+ def test_bigtable_io(self):
+ print 'Project ID: ', PROJECT_ID
+ print 'Instance ID:', INSTANCE_ID
+ print 'Table ID: ', TABLE_ID
Review comment:
Maybe avoid printing here, or use `logging.info` instead. If you do want to
use print, use `print(...)` as a function (this is necessary for Py3
compatibility).
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Issue Time Tracking
-------------------
Worklog Id: (was: 295111)
Time Spent: 35h 50m (was: 35h 40m)
> Create a Cloud Bigtable IO connector for Python
> -----------------------------------------------
>
> 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: 35h 50m
> Remaining Estimate: 0h
>
> I would like to create a Cloud Bigtable python connector.
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