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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.yarn
import java.io.{File, IOException}
import java.nio.charset.StandardCharsets
import com.google.common.io.{ByteStreams, Files}
import org.apache.hadoop.io.Text
import org.apache.hadoop.yarn.api.records.ApplicationAccessType
import org.apache.hadoop.yarn.conf.YarnConfiguration
import org.scalatest.Matchers
import org.apache.spark.{SecurityManager, SparkConf, SparkFunSuite}
import org.apache.spark.deploy.SparkHadoopUtil
import org.apache.spark.internal.Logging
import org.apache.spark.util.{ResetSystemProperties, Utils}
class YarnSparkHadoopUtilSuite extends SparkFunSuite with Matchers with Logging
with ResetSystemProperties {
val hasBash =
try {
val exitCode = Runtime.getRuntime().exec(Array("bash", "--version")).waitFor()
exitCode == 0
} catch {
case e: IOException =>
false
}
if (!hasBash) {
logWarning("Cannot execute bash, skipping bash tests.")
}
def bashTest(name: String)(fn: => Unit): Unit =
if (hasBash) test(name)(fn) else ignore(name)(fn)
bashTest("shell script escaping") {
val scriptFile = File.createTempFile("script.", ".sh", Utils.createTempDir())
val args = Array("arg1", "${arg.2}", "\"arg3\"", "'arg4'", "$arg5", "\\arg6")
try {
val argLine = args.map(a => YarnSparkHadoopUtil.escapeForShell(a)).mkString(" ")
Files.write(("bash -c \"echo " + argLine + "\"").getBytes(StandardCharsets.UTF_8), scriptFile)
scriptFile.setExecutable(true)
val proc = Runtime.getRuntime().exec(Array(scriptFile.getAbsolutePath()))
val out = new String(ByteStreams.toByteArray(proc.getInputStream())).trim()
val err = new String(ByteStreams.toByteArray(proc.getErrorStream()))
val exitCode = proc.waitFor()
exitCode should be (0)
out should be (args.mkString(" "))
} finally {
scriptFile.delete()
}
}
test("Yarn configuration override") {
val key = "yarn.nodemanager.hostname"
val default = new YarnConfiguration()
val sparkConf = new SparkConf()
.set("spark.hadoop." + key, "someHostName")
val yarnConf = new YarnSparkHadoopUtil().newConfiguration(sparkConf)
yarnConf.getClass() should be (classOf[YarnConfiguration])
yarnConf.get(key) should not be default.get(key)
}
test("test getApplicationAclsForYarn acls on") {
// spark acls on, just pick up default user
val sparkConf = new SparkConf()
sparkConf.set("spark.acls.enable", "true")
val securityMgr = new SecurityManager(sparkConf)
val acls = YarnSparkHadoopUtil.getApplicationAclsForYarn(securityMgr)
val viewAcls = acls.get(ApplicationAccessType.VIEW_APP)
val modifyAcls = acls.get(ApplicationAccessType.MODIFY_APP)
viewAcls match {
case Some(vacls) =>
val aclSet = vacls.split(',').map(_.trim).toSet
assert(aclSet.contains(System.getProperty("user.name", "invalid")))
case None =>
fail()
}
modifyAcls match {
case Some(macls) =>
val aclSet = macls.split(',').map(_.trim).toSet
assert(aclSet.contains(System.getProperty("user.name", "invalid")))
case None =>
fail()
}
}
test("test getApplicationAclsForYarn acls on and specify users") {
// default spark acls are on and specify acls
val sparkConf = new SparkConf()
sparkConf.set("spark.acls.enable", "true")
sparkConf.set("spark.ui.view.acls", "user1,user2")
sparkConf.set("spark.modify.acls", "user3,user4")
val securityMgr = new SecurityManager(sparkConf)
val acls = YarnSparkHadoopUtil.getApplicationAclsForYarn(securityMgr)
val viewAcls = acls.get(ApplicationAccessType.VIEW_APP)
val modifyAcls = acls.get(ApplicationAccessType.MODIFY_APP)
viewAcls match {
case Some(vacls) =>
val aclSet = vacls.split(',').map(_.trim).toSet
assert(aclSet.contains("user1"))
assert(aclSet.contains("user2"))
assert(aclSet.contains(System.getProperty("user.name", "invalid")))
case None =>
fail()
}
modifyAcls match {
case Some(macls) =>
val aclSet = macls.split(',').map(_.trim).toSet
assert(aclSet.contains("user3"))
assert(aclSet.contains("user4"))
assert(aclSet.contains(System.getProperty("user.name", "invalid")))
case None =>
fail()
}
}
test("check different hadoop utils based on env variable") {
try {
System.setProperty("SPARK_YARN_MODE", "true")
assert(SparkHadoopUtil.get.getClass === classOf[YarnSparkHadoopUtil])
System.setProperty("SPARK_YARN_MODE", "false")
assert(SparkHadoopUtil.get.getClass === classOf[SparkHadoopUtil])
} finally {
System.clearProperty("SPARK_YARN_MODE")
}
}
// This test needs to live here because it depends on isYarnMode returning true, which can only
// happen in the YARN module.
test("security manager token generation") {
try {
System.setProperty("SPARK_YARN_MODE", "true")
val initial = SparkHadoopUtil.get
.getSecretKeyFromUserCredentials(SecurityManager.SECRET_LOOKUP_KEY)
assert(initial === null || initial.length === 0)
val conf = new SparkConf()
.set(SecurityManager.SPARK_AUTH_CONF, "true")
.set(SecurityManager.SPARK_AUTH_SECRET_CONF, "unused")
val sm = new SecurityManager(conf)
val generated = SparkHadoopUtil.get
.getSecretKeyFromUserCredentials(SecurityManager.SECRET_LOOKUP_KEY)
assert(generated != null)
val genString = new Text(generated).toString()
assert(genString != "unused")
assert(sm.getSecretKey() === genString)
} finally {
// removeSecretKey() was only added in Hadoop 2.6, so instead we just set the secret
// to an empty string.
SparkHadoopUtil.get.addSecretKeyToUserCredentials(SecurityManager.SECRET_LOOKUP_KEY, "")
System.clearProperty("SPARK_YARN_MODE")
}
}
}
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