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https://issues.apache.org/jira/browse/SPARK-26311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16718111#comment-16718111
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ASF GitHub Bot commented on SPARK-26311:
----------------------------------------
HeartSaVioR commented on a change in pull request #23260: [SPARK-26311][YARN]
New feature: custom log URL for stdout/stderr
URL: https://github.com/apache/spark/pull/23260#discussion_r240817431
##########
File path:
resource-managers/yarn/src/test/scala/org/apache/spark/deploy/yarn/YarnLogUrlSuite.scala
##########
@@ -0,0 +1,83 @@
+/*
+ * 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 org.apache.spark.SparkFunSuite
+
+class YarnLogUrlSuite extends SparkFunSuite {
+
+ private val testHttpScheme = "https://";
+ private val testNodeHttpAddress = "nodeManager:1234"
+ private val testContainerId = "testContainer"
+ private val testUser = "testUser"
+ private val testEnvNameToFileNameMap = Map("TEST_ENV_STDOUT" -> "stdout",
+ "TEST_ENV_STDERR" -> "stderr")
+
+ test("Custom log URL - leverage all patterns, all values for patterns are
available") {
+ val logUrlPattern =
"{{HttpScheme}}{{NodeHttpAddress}}/logs/clusters/{{ClusterId}}" +
+ "/containers/{{ContainerId}}/users/{{User}}/files/{{FileName}}"
+
+ val clusterId = Some("testCluster")
+
+ val logUrls = ExecutorRunnable.buildLogUrls(logUrlPattern, testHttpScheme,
testNodeHttpAddress,
+ clusterId, testContainerId, testUser, testEnvNameToFileNameMap)
+
+ val expectedLogUrls = testEnvNameToFileNameMap.map { case (envName,
fileName) =>
+ envName ->
(s"$testHttpScheme$testNodeHttpAddress/logs/clusters/${clusterId.get}" +
+ s"/containers/$testContainerId/users/$testUser/files/$fileName")
+ }
+
+ assert(logUrls === expectedLogUrls)
+ }
+
+ test("Custom log URL - optional pattern is not used in log URL") {
+ // here {{ClusterId}} is excluded in this pattern
+ val logUrlPattern =
"{{HttpScheme}}{{NodeHttpAddress}}/logs/containers/{{ContainerId}}" +
+ "/users/{{User}}/files/{{FileName}}"
+
+ // suppose the value of {{ClusterId}} pattern is not available
+ val clusterId = None
+
+ // This should not throw an exception: the value for optional pattern is
not available
+ // but we also don't use the pattern in log URL.
+ val logUrls = ExecutorRunnable.buildLogUrls(logUrlPattern, testHttpScheme,
testNodeHttpAddress,
+ clusterId, testContainerId, testUser, testEnvNameToFileNameMap)
+
+ val expectedLogUrls = testEnvNameToFileNameMap.map { case (envName,
fileName) =>
+ envName ->
(s"$testHttpScheme$testNodeHttpAddress/logs/containers/$testContainerId" +
+ s"/users/$testUser/files/$fileName")
+ }
+
+ assert(logUrls === expectedLogUrls)
+ }
+
+ test("Custom log URL - optional pattern is used in log URL but the value " +
+ "is not present") {
Review comment:
Will address.
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> [YARN] New feature: custom log URL for stdout/stderr
> ----------------------------------------------------
>
> Key: SPARK-26311
> URL: https://issues.apache.org/jira/browse/SPARK-26311
> Project: Spark
> Issue Type: Improvement
> Components: YARN
> Affects Versions: 2.4.0
> Reporter: Jungtaek Lim
> Priority: Major
>
> Spark has been setting static log URLs for YARN application, which points to
> NodeManager webapp. Normally it would work for both running apps and finished
> apps, but there're also other approaches on maintaining application logs,
> like having external log service which enables to avoid application log url
> to be a deadlink when NodeManager is not accessible. (Node decommissioned,
> elastic nodes, etc.)
> Spark can provide a new configuration for custom log url on YARN mode, which
> end users can set it properly to point application log to external log
> service.
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