| #!/usr/bin/env python |
| # 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 gppylib.gparray import * |
| |
| """ |
| |
| This file defines the interface that can be used to |
| fetch and update system configuration information |
| for testing. It does not use the database for |
| getting and updating system configuration data |
| |
| """ |
| import os |
| |
| import copy |
| |
| from gppylib.gplog import * |
| from gppylib.utils import checkNotNone |
| from gppylib.system.configurationInterface import * |
| from gppylib.db import dbconn |
| from gppylib.testold.testUtils import testOutput |
| |
| logger = get_default_logger() |
| |
| class GpConfigurationProviderForTesting(GpConfigurationProvider) : |
| |
| def __init__(self): |
| self.__testSegments=[] |
| self.__faultStrategy = FAULT_STRATEGY_NONE |
| pass |
| |
| def initializeProvider( self, masterPort ) : |
| """ |
| Initialize the provider to get information from the given master db, if it chooses to |
| get its data from the database |
| |
| returns self |
| """ |
| |
| # verify here to match what the true one will require |
| checkNotNone("masterPort", masterPort) |
| return self |
| |
| def loadSystemConfig( self, useUtilityMode ) : |
| """ |
| Load all segment information from the configuration source. |
| |
| Returns a new GpArray object |
| """ |
| segments = [] |
| for segment in self.__testSegments: |
| segments.append(segment.copy()) |
| result = GpArray(segments) |
| result.setFaultStrategy(self.__faultStrategy) |
| return result |
| |
| def sendPgElogFromMaster( self, msg, sendAlerts): |
| """ |
| Send a message from the master database using select pg_elog ... |
| """ |
| testOutput("Elog on master: " + ("(with alerts)" if sendAlerts else "(without alerts)") + msg) |
| |
| |
| def updateSystemConfig( self, systemConfiguration, textForConfigTable, dbIdToForceMirrorRemoveAdd, useUtilityMode) : |
| """ |
| Update the configuration for the given segments in the underlying configuration store |
| to match the current values |
| """ |
| self.__testSegments = [] |
| for segment in systemConfiguration.getDbList(): |
| self.addTestSegment(segment) |
| |
| def addTestSegment(self, configForSegment): |
| """ |
| Add a test segment. The segment is COPIED before adding |
| """ |
| self.__testSegments.append(configForSegment.copy()) |
| |
| def setFaultStrategy(self, faultStrategy): |
| self.__faultStrategy = faultStrategy |