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[SPARK-18099][YARN] Fail if same files added to distributed cache for --files and --archives #15627

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[SPARK-18099][YARN] Fail if same files added to distributed cache for --files and --archives #15627

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2c55fc2
Dist cache yarn during submit should throw error for adding same file…
kishorvpatil Oct 25, 2016
a1dc858
Convert required to IllegalArgumentException
kishorvpatil Oct 28, 2016
33f95ab
Reword exception message
kishorvpatil Oct 28, 2016
f797481
Adding comment and unit tests
kishorvpatil Oct 31, 2016
51eefa5
Updating unit test cover all three scenarios.
kishorvpatil Nov 3, 2016
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Updating unit test cover all three scenarios.
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@kishorvpatil
kishorvpatil committed Nov 3, 2016
commit 51eefa50faeb26c6c1fd9d689b8450358291d569
41 changes: 26 additions & 15 deletions yarn/src/test/scala/org/apache/spark/deploy/yarn/ClientSuite.scala
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Expand Up @@ -284,33 +284,44 @@ class ClientSuite extends SparkFunSuite with Matchers with BeforeAndAfterAll

test("distribute archive multiple times") {
val libs = Utils.createTempDir()
// Create jars dir and RELEASE file to avoid IllegalStateException.
val jarsDir = new File(libs, "jars")
assert(jarsDir.mkdir())
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@tgravescs tgravescs Nov 1, 2016

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I don't see jarsDir being used anywhere either

new FileOutputStream(new File(libs, "RELEASE")).close()
val userLib1 = Utils.createTempDir()
val userLib2 = Utils.createTempDir()

val jar1 = TestUtils.createJarWithFiles(Map(), jarsDir)
val jar2 = TestUtils.createJarWithFiles(Map(), userLib1)
// Copy jar2 to jar3 with same name
val jar3 = {
val target = new File(userLib2, new File(jar2.toURI).getName)
val input = new FileInputStream(jar2.getPath)
val output = new FileOutputStream(target)
Utils.copyStream(input, output, closeStreams = true)
target.toURI.toURL
}
val userLib1 = Utils.createTempDir()
val testJar = TestUtils.createJarWithFiles(Map(), userLib1)

// Case 1: FILES_TO_DISTRIBUTE and ARCHIVES_TO_DISTRIBUTE can't have duplicate files
val sparkConf = new SparkConfWithEnv(Map("SPARK_HOME" -> libs.getAbsolutePath))
.set(FILES_TO_DISTRIBUTE, Seq(jar2.getPath, jar3.getPath))
.set(ARCHIVES_TO_DISTRIBUTE, Seq(jar2.getPath, jar3.getPath))

.set(FILES_TO_DISTRIBUTE, Seq(testJar.getPath))
.set(ARCHIVES_TO_DISTRIBUTE, Seq(testJar.getPath))

val client = createClient(sparkConf)
val tempDir = Utils.createTempDir()
intercept[IllegalArgumentException] {
client.prepareLocalResources(new Path(tempDir.getAbsolutePath()), Nil)
}

// Case 2: FILES_TO_DISTRIBUTE can't have duplicate files.
val sparkConfFiles = new SparkConfWithEnv(Map("SPARK_HOME" -> libs.getAbsolutePath))
.set(FILES_TO_DISTRIBUTE, Seq(testJar.getPath, testJar.getPath))

val clientFiles = createClient(sparkConfFiles)
val tempDirForFiles = Utils.createTempDir()
intercept[IllegalArgumentException] {
clientFiles.prepareLocalResources(new Path(tempDirForFiles.getAbsolutePath()), Nil)
}

// Case 3: ARCHIVES_TO_DISTRIBUTE can't have duplicate files.
val sparkConfArchives = new SparkConfWithEnv(Map("SPARK_HOME" -> libs.getAbsolutePath))
.set(ARCHIVES_TO_DISTRIBUTE, Seq(testJar.getPath, testJar.getPath))

val clientArchives = createClient(sparkConfArchives)
val tempDirForArchives = Utils.createTempDir()
intercept[IllegalArgumentException] {
clientArchives.prepareLocalResources(new Path(tempDirForArchives.getAbsolutePath()), Nil)
}
}

test("distribute local spark jars") {
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