[GitHub] [beam] roger-mike commented on a diff in pull request #22135: BEAM-13004 A load test for DebeziumIO that uses postgress as a database

[GitBox <gi...@apache.org>]

roger-mike commented on code in PR #22135:
URL: https://github.com/apache/beam/pull/22135#discussion_r913181560


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sdks/python/apache_beam/testing/load_tests/debezium_performance.py:
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@@ -0,0 +1,159 @@
+#
+# 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.
+#
+
+"""
+Performance test for debezium.
+
+The purpose of this test is verify that Python's connector ReadFromDebezium
+work propertly, for this, the test create a postgresql database inside a 
+kubernetes pod and stream querys inside of the database for 20 minutes.
+After that ReadFromDebezium checks if everything goes well
+
+Example test run:
+
+python -m apache_beam.testing.load_tests.debezium_performance
+
+or:
+
+./gradlew
+ -PloadTest.mainClass=apache_beam.testing.load_tests.debezium_performance \
+-Prunner=DirectRunner :sdks:python:apache_beam:testing:load_tests:run
+"""
+
+import psycopg2
+import os
+import time
+import random
+import logging
+
+import apache_beam as beam
+from apache_beam.options.pipeline_options import PipelineOptions
+from apache_beam.testing.load_tests.load_test import LoadTest
+from apache_beam.io.debezium import DriverClassName
+from apache_beam.io.debezium import ReadFromDebezium
+from apache_beam.options.pipeline_options import StandardOptions
+from apache_beam.testing.test_pipeline import TestPipeline
+from apache_beam.testing.util import assert_that
+from apache_beam.testing.util import equal_to
+
+class DebeziumLoadTest(LoadTest, beam.DoFn): 
+    def __init__(self):
+        self.username = 'postgres'
+        self.password = 'uuinkks' 
+        # de kubernetes
+        self.database = 'postgres'
+        self.port = "5432"
+        # Please verify the way to obtain the IP 
+        self.host = os.environ['kubernetesPostgres'] 
+        self.connector_class = DriverClassName.POSTGRESQL
+        self.connection_properties = [
+            "database.dbname=postgres",
+            "database.server.name=postgres",
+            "database.include.list=postgres",
+            "include.schema.changes=false",
+            "plugin.name=pgoutput"
+        ]
+
+    def initConnection(self): 
+        connection = psycopg2.connect(
+            host = self.host,
+            database = self.database,
+            user = self.username,
+            password = self.password
+        )
+        return connection
+    
+    def randomInsertTest(self,connection):

Review Comment:
   Should this function run in a thread?



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