| # 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. |
| from utils import wait_for |
| |
| |
| class PostgresChecker: |
| def __init__(self, container_communicator): |
| self.container_communicator = container_communicator |
| |
| def __query_postgres_server(self, postgresql_container_name, query, number_of_rows): |
| (code, output) = self.container_communicator.execute_command(postgresql_container_name, ["psql", "-U", "postgres", "-c", query]) |
| return code == 0 and str(number_of_rows) + " rows" in output |
| |
| def check_query_results(self, postgresql_container_name, query, number_of_rows, timeout_seconds): |
| return wait_for(lambda: self.__query_postgres_server(postgresql_container_name, query, number_of_rows), timeout_seconds) |
