bobpaulin commented on code in PR #11872: URL: https://github.com/apache/nifi/pull/11872#discussion_r4459646363
########## nifi-system-tests/nifi-system-test-extensions2-bundle/nifi-system-test-extensions2/src/main/java/org/apache/nifi/connectors/tests/system/FileConnectorConfigurationProvider.java: ########## @@ -0,0 +1,157 @@ +/* + * 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. + */ +package org.apache.nifi.connectors.tests.system; + +import com.fasterxml.jackson.databind.ObjectMapper; +import org.apache.nifi.components.connector.ConnectorConfigurationProvider; +import org.apache.nifi.components.connector.ConnectorConfigurationProviderInitializationContext; +import org.apache.nifi.components.connector.ConnectorSyncDirective; +import org.apache.nifi.components.connector.ConnectorWorkingConfiguration; +import org.apache.nifi.flow.VersionedConnectorState; + +import java.io.IOException; +import java.io.InputStream; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.StandardCopyOption; +import java.util.Optional; + +/** + * File-backed provider used by upgrade-drain system tests. {@code load} and {@code getSyncDirective} return the live + * configuration when present and the committed configuration otherwise. {@code save} writes live configuration and + * {@code discard} removes it. + */ +public class FileConnectorConfigurationProvider implements ConnectorConfigurationProvider { + + public static final String STATE_DIRECTORY_PROPERTY = "state.directory"; + + private final ObjectMapper objectMapper = new ObjectMapper(); + private Path stateDirectory; + + @Override + public synchronized void initialize(final ConnectorConfigurationProviderInitializationContext context) { + final String configuredDirectory = context.getProperties().get(STATE_DIRECTORY_PROPERTY); + if (configuredDirectory == null || configuredDirectory.isBlank()) { + throw new IllegalStateException("FileConnectorConfigurationProvider requires " + STATE_DIRECTORY_PROPERTY); + } + stateDirectory = Path.of(configuredDirectory); + try { + Files.createDirectories(stateDirectory); + } catch (final IOException e) { + throw new IllegalStateException("Unable to create provider state directory " + stateDirectory, e); + } + } + + @Override + public synchronized Optional<ConnectorWorkingConfiguration> load(final String connectorId) { + return readCurrent(connectorId); + } + + @Override + public synchronized void save(final String connectorId, final ConnectorWorkingConfiguration configuration) { + writeAtomically(liveConfiguration(connectorId), configuration); + } + + @Override + public synchronized void discard(final String connectorId) { + try { + Files.deleteIfExists(liveConfiguration(connectorId)); + } catch (final IOException e) { + throw new IllegalStateException("Unable to discard live configuration for " + connectorId, e); + } + } + + @Override + public synchronized void delete(final String connectorId) { + try { + Files.deleteIfExists(liveConfiguration(connectorId)); + Files.deleteIfExists(committedConfiguration(connectorId)); Review Comment: This is a. test support class. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
