Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14065#discussion_r72493513
--- Diff:
yarn/src/test/scala/org/apache/spark/deploy/yarn/security/ConfigurableCredentialManagerSuite.scala
---
@@ -0,0 +1,153 @@
+/*
+ * 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.security
+
+import org.apache.hadoop.conf.Configuration
+import org.apache.hadoop.io.Text
+import org.apache.hadoop.security.Credentials
+import org.apache.hadoop.security.token.Token
+import org.scalatest.{BeforeAndAfter, Matchers}
+
+import org.apache.spark.{SparkConf, SparkFunSuite}
+import org.apache.spark.deploy.yarn.config._
+
+class ConfigurableCredentialManagerSuite extends SparkFunSuite with
Matchers with BeforeAndAfter {
+ private var credentialManager: ConfigurableCredentialManager = null
+ private var sparkConf: SparkConf = null
+ private var hadoopConf: Configuration = null
+
+ override def beforeAll(): Unit = {
+ super.beforeAll()
+
+ sparkConf = new SparkConf()
+ hadoopConf = new Configuration()
+ System.setProperty("SPARK_YARN_MODE", "true")
+ }
+
+ override def afterAll(): Unit = {
+ System.clearProperty("SPARK_YARN_MODE")
+
+ super.afterAll()
+ }
+
+ test("Correctly load default credential providers") {
+ credentialManager = new ConfigurableCredentialManager(sparkConf,
hadoopConf)
+
+ credentialManager.getServiceCredentialProvider("hdfs") should not be
(None)
+ credentialManager.getServiceCredentialProvider("hbase") should not be
(None)
+ credentialManager.getServiceCredentialProvider("hive") should not be
(None)
+ }
+
+ test("disable hive credential provider") {
+ sparkConf.set("spark.yarn.security.credentials.hive.enabled", "false")
+ credentialManager = new ConfigurableCredentialManager(sparkConf,
hadoopConf)
+
+ credentialManager.getServiceCredentialProvider("hdfs") should not be
(None)
+ credentialManager.getServiceCredentialProvider("hbase") should not be
(None)
+ credentialManager.getServiceCredentialProvider("hive") should be (None)
+ }
+
+ test("using deprecated configurations") {
+ sparkConf.set("spark.yarn.security.tokens.hdfs.enabled", "false")
+ sparkConf.set("spark.yarn.security.tokens.hive.enabled", "false")
+ credentialManager = new ConfigurableCredentialManager(sparkConf,
hadoopConf)
+
+ credentialManager.getServiceCredentialProvider("hdfs") should be (None)
+ credentialManager.getServiceCredentialProvider("hive") should be (None)
+ credentialManager.getServiceCredentialProvider("test") should not be
(None)
+ credentialManager.getServiceCredentialProvider("hbase") should not be
(None)
+ }
+
+ test("plug in customized credential provider") {
+ credentialManager = new ConfigurableCredentialManager(sparkConf,
hadoopConf)
+
+ credentialManager.getServiceCredentialProvider("test") should not be
(None)
+ }
+
+ test("verify obtaining credentials from provider") {
+ credentialManager = new ConfigurableCredentialManager(sparkConf,
hadoopConf)
+ val creds = new Credentials()
+
+ // Tokens can only be obtained from TestTokenProvider, for hdfs, hbase
and hive tokens cannot
+ // be obtained.
+ credentialManager.obtainCredentials(hadoopConf, creds)
+ val tokens = creds.getAllTokens
+ tokens.size() should be (1)
+ tokens.iterator().next().getService should be (new Text("test"))
+ }
+
+ test("verify getting credential renewal info") {
+ credentialManager = new ConfigurableCredentialManager(sparkConf,
hadoopConf)
+ val creds = new Credentials()
+
+ val testCredentialProvider =
credentialManager.getServiceCredentialProvider("test").get
+ .asInstanceOf[TestCredentialProvider]
+ // Only TestTokenProvider can get the time of next token renewal
+ val nextRenewal = credentialManager.obtainCredentials(hadoopConf,
creds)
+ nextRenewal should be (testCredentialProvider.timeOfNextTokenRenewal)
+ }
+
+ test("Obtain tokens For HiveMetastore") {
--- End diff --
nit: all test descriptions start with lower case, so should this one (and
the next)
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