YARN-6149. Allow port range to be specified while starting NM Timeline collector manager. Contributed by Abhishek Modi.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/conf/YarnConfiguration.java

@@ -3868,6 +3868,10 @@ public static boolean areNodeLabelsEnabled(
   public static final String TIMELINE_SERVICE_COLLECTOR_BIND_HOST =
       TIMELINE_SERVICE_COLLECTOR_PREFIX + "bind-host";
 
+  @Private
+  public static final String TIMELINE_SERVICE_COLLECTOR_BIND_PORT_RANGES =
+      TIMELINE_SERVICE_COLLECTOR_PREFIX + "bind-port-ranges";
+
   @Private
   public static final String TIMELINE_SERVICE_COLLECTOR_WEBAPP_ADDRESS =
       TIMELINE_SERVICE_COLLECTOR_PREFIX + "webapp.address";

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/main/java/org/apache/hadoop/yarn/server/timelineservice/collector/NodeTimelineCollectorManager.java

@@ -58,6 +58,7 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+
 /**
  * Class on the NodeManager side that manages adding and removing collectors and
  * their lifecycle. Also instantiates the per-node collector webapp.
@@ -280,14 +281,21 @@ private void startWebApp() {
     String bindAddress = null;
     String host =
         conf.getTrimmed(YarnConfiguration.TIMELINE_SERVICE_COLLECTOR_BIND_HOST);
+    Configuration.IntegerRanges portRanges = conf.getRange(
+        YarnConfiguration.TIMELINE_SERVICE_COLLECTOR_BIND_PORT_RANGES, "");
+    int startPort = 0;
+    if (portRanges != null && !portRanges.isEmpty()) {
+      startPort = portRanges.getRangeStart();
+    }
     if (host == null || host.isEmpty()) {
       // if collector bind-host is not set, fall back to
       // timeline-service.bind-host to maintain compatibility
       bindAddress =
           conf.get(YarnConfiguration.DEFAULT_TIMELINE_SERVICE_BIND_HOST,
-              YarnConfiguration.DEFAULT_TIMELINE_SERVICE_BIND_HOST) + ":0";
+              YarnConfiguration.DEFAULT_TIMELINE_SERVICE_BIND_HOST)
+              + ":" + startPort;
     } else {
-      bindAddress = host + ":0";
+      bindAddress = host + ":" + startPort;
     }
 
     try {
@@ -297,6 +305,9 @@ private void startWebApp() {
           .addEndpoint(URI.create(
               (YarnConfiguration.useHttps(conf) ? "https://" : "http://") +
                   bindAddress));
+      if (portRanges != null && !portRanges.isEmpty()) {
+        builder.setPortRanges(portRanges);
+      }
       if (YarnConfiguration.useHttps(conf)) {
         builder = WebAppUtils.loadSslConfiguration(builder, conf);
       }

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-timelineservice/src/test/java/org/apache/hadoop/yarn/server/timelineservice/collector/TestNMTimelineCollectorManager.java

@@ -60,6 +60,8 @@ public void setup() throws Exception {
     Configuration conf = new YarnConfiguration();
     conf.setClass(YarnConfiguration.TIMELINE_SERVICE_WRITER_CLASS,
         FileSystemTimelineWriterImpl.class, TimelineWriter.class);
+    conf.set(YarnConfiguration.TIMELINE_SERVICE_COLLECTOR_BIND_PORT_RANGES,
+        "30000-30100");
     collectorManager.init(conf);
     collectorManager.start();
   }
@@ -83,7 +85,8 @@ public void testStartWebApp() throws Exception {
     String[] parts = address.split(":");
     assertEquals(2, parts.length);
     assertNotNull(parts[0]);
-    assertTrue(Integer.valueOf(parts[1]) > 0);
+    assertTrue(Integer.valueOf(parts[1]) >= 30000 &&
+        Integer.valueOf(parts[1]) <= 30100);
   }
 
   @Test(timeout=60000)
@@ -153,7 +156,6 @@ public Boolean call() {
   private NodeTimelineCollectorManager createCollectorManager() {
     final NodeTimelineCollectorManager cm =
         spy(new NodeTimelineCollectorManager());
-    doReturn(new Configuration()).when(cm).getConfig();
     CollectorNodemanagerProtocol nmCollectorService =
         mock(CollectorNodemanagerProtocol.class);
     GetTimelineCollectorContextResponse response =