flink-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From GitBox <...@apache.org>
Subject [GitHub] kl0u commented on a change in pull request #7003: [FLINK-10633][prometheus] Add E2E test
Date Fri, 02 Nov 2018 15:19:27 GMT
kl0u commented on a change in pull request #7003: [FLINK-10633][prometheus] Add E2E test
URL: https://github.com/apache/flink/pull/7003#discussion_r230408639
 
 

 ##########
 File path: flink-end-to-end-tests/flink-end-to-end-tests-common/src/main/java/org/apache/flink/tests/util/FlinkDistribution.java
 ##########
 @@ -0,0 +1,219 @@
+/*
+ * 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.flink.tests.util;
+
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.configuration.GlobalConfiguration;
+import org.apache.flink.configuration.UnmodifiableConfiguration;
+import org.apache.flink.util.ExceptionUtils;
+
+import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.JsonNode;
+import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.ObjectMapper;
+
+import okhttp3.OkHttpClient;
+import okhttp3.Request;
+import okhttp3.Response;
+import org.junit.Assert;
+import org.junit.rules.ExternalResource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Optional;
+import java.util.function.Function;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+/**
+ * A wrapper around a Flink distribution.
+ */
+public final class FlinkDistribution extends ExternalResource {
+
+	private static final Logger LOG = LoggerFactory.getLogger(FlinkDistribution.class);
+
+	private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
+
+	private final List<AutoClosablePath> filesToDelete = new ArrayList<>(4);
+
+	private static final Path FLINK_CONF_YAML = Paths.get("flink-conf.yaml");
+	private static final Path FLINK_CONF_YAML_BACKUP = Paths.get("flink-conf.yaml.bak");
+
+	private final Path opt;
+	private final Path lib;
+	private final Path conf;
+	private final Path log;
+	private final Path bin;
+
+	private Configuration defaultConfig;
+
+	public FlinkDistribution() {
+		final String distDirProperty = System.getProperty("distDir");
+		if (distDirProperty == null) {
+			Assert.fail("The distDir property was not set. You can set it when running maven via -DdistDir=<path>
.");
+		}
+		final Path flinkDir = Paths.get(distDirProperty);
+		bin = flinkDir.resolve("bin");
+		opt = flinkDir.resolve("opt");
+		lib = flinkDir.resolve("lib");
+		conf = flinkDir.resolve("conf");
+		log = flinkDir.resolve("log");
+	}
+
+	@Override
+	protected void before() throws IOException {
+		defaultConfig = new UnmodifiableConfiguration(GlobalConfiguration.loadConfiguration(conf.toAbsolutePath().toString()));
+		final Path originalConfig = conf.resolve(FLINK_CONF_YAML);
+		final Path backupConfig = conf.resolve(FLINK_CONF_YAML_BACKUP);
+		Files.copy(originalConfig, backupConfig);
+		filesToDelete.add(new AutoClosablePath(backupConfig));
+	}
+
+	@Override
+	protected void after() {
+		try {
+			stopFlinkCluster();
+		} catch (IOException e) {
+			LOG.error("Failure while shutting down Flink cluster.", e);
+		}
+
+		final Path originalConfig = conf.resolve(FLINK_CONF_YAML);
+		final Path backupConfig = conf.resolve(FLINK_CONF_YAML_BACKUP);
+
+		try {
+			Files.move(backupConfig, originalConfig, StandardCopyOption.REPLACE_EXISTING);
+		} catch (IOException e) {
+			LOG.error("Failed to restore flink-conf.yaml", e);
+		}
+
+		for (AutoCloseable fileToDelete : filesToDelete) {
+			try {
+				fileToDelete.close();
+			} catch (Exception e) {
+				LOG.error("Failure while cleaning up file.", e);
+			}
+		}
+	}
+
+	public void startFlinkCluster() throws IOException {
+		AutoClosableProcess.runBlocking("Start Flink cluster", bin.resolve("start-cluster.sh").toAbsolutePath().toString());
+
+		final OkHttpClient client = new OkHttpClient();
+
+		final Request request = new Request.Builder()
+			.get()
+			.url("http://localhost:8081/taskmanagers")
+			.build();
+
+		Exception reportedException = null;
+		for (int x = 0; x < 30; x++) {
 
 Review comment:
   This `30` can be a class variable with a descriptive name.

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

Mime
View raw message