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Enable testing against GCE clusters (apache#243)
* Part 1: making test code cluster-agnostic * Final checked * Move all test code into KubernetesTestComponents * Addressed comments * Fixed doc * Restructure the test backends (apache#248) * Restructured the test backends * Address comments * var -> val * Comments * removed deadcode
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...ests/src/test/scala/org/apache/spark/deploy/kubernetes/integrationtest/ProcessUtils.scala
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| /* | ||
| * 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.spark.deploy.kubernetes.integrationtest | ||
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| import java.io.{BufferedReader, InputStreamReader} | ||
| import java.util.concurrent.TimeUnit | ||
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| import scala.collection.mutable.ArrayBuffer | ||
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| import org.apache.spark.internal.Logging | ||
| import org.apache.spark.util.Utils | ||
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| object ProcessUtils extends Logging { | ||
| /** | ||
| * executeProcess is used to run a command and return the output if it | ||
| * completes within timeout seconds. | ||
| */ | ||
| def executeProcess(fullCommand: Array[String], timeout: Long): Seq[String] = { | ||
| val pb = new ProcessBuilder().command(fullCommand: _*) | ||
| pb.redirectErrorStream(true) | ||
| val proc = pb.start() | ||
| val outputLines = new ArrayBuffer[String] | ||
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| Utils.tryWithResource(new InputStreamReader(proc.getInputStream)) { procOutput => | ||
| Utils.tryWithResource(new BufferedReader(procOutput)) { (bufferedOutput: BufferedReader) => | ||
| var line: String = null | ||
| do { | ||
| line = bufferedOutput.readLine() | ||
| if (line != null) { | ||
| logInfo(line) | ||
| outputLines += line | ||
| } | ||
| } while (line != null) | ||
| } | ||
| } | ||
| assert(proc.waitFor(timeout, TimeUnit.SECONDS), | ||
| s"Timed out while executing ${fullCommand.mkString(" ")}") | ||
| assert(proc.exitValue == 0, s"Failed to execute ${fullCommand.mkString(" ")}") | ||
| outputLines.toSeq | ||
| } | ||
| } |
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