YARN-7383. Node resource is not parsed correctly for resource names containing dot. Contributed by Gergely Novák.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api/src/main/java/org/apache/hadoop/yarn/util/resource/ResourceUtils.java

@@ -461,21 +461,18 @@ public class ResourceUtils {
     for (Map.Entry<String, String> entry : conf) {
       String key = entry.getKey();
       String value = entry.getValue();
-
-      if (key.startsWith(YarnConfiguration.NM_RESOURCES_PREFIX)) {
-        addResourceInformation(key, value, nodeResources);
-      }
+      addResourceTypeInformation(key, value, nodeResources);
     }
 
     return nodeResources;
   }
 
-  private static void addResourceInformation(String prop, String value,
+  private static void addResourceTypeInformation(String prop, String value,
       Map<String, ResourceInformation> nodeResources) {
-    String[] parts = prop.split("\\.");
-    LOG.info("Found resource entry " + prop);
-    if (parts.length == 4) {
-      String resourceType = parts[3];
+    if (prop.startsWith(YarnConfiguration.NM_RESOURCES_PREFIX)) {
+      LOG.info("Found resource entry " + prop);
+      String resourceType = prop.substring(
+          YarnConfiguration.NM_RESOURCES_PREFIX.length());
       if (!nodeResources.containsKey(resourceType)) {
         nodeResources
             .put(resourceType, ResourceInformation.newInstance(resourceType));

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/java/org/apache/hadoop/yarn/util/resource/TestResourceUtils.java

@@ -124,9 +124,10 @@ public class TestResourceUtils {
         new ResourceFileInformation("resource-types-3.xml", 3);
     testFile3.resourceNameUnitsMap.put("resource2", "");
     ResourceFileInformation testFile4 =
-        new ResourceFileInformation("resource-types-4.xml", 4);
+        new ResourceFileInformation("resource-types-4.xml", 5);
     testFile4.resourceNameUnitsMap.put("resource1", "G");
     testFile4.resourceNameUnitsMap.put("resource2", "m");
+    testFile4.resourceNameUnitsMap.put("yarn.io/gpu", "");
 
     ResourceFileInformation[] tests = {testFile1, testFile2, testFile3,
         testFile4};
@@ -292,6 +293,8 @@ public class TestResourceUtils {
         ResourceInformation.newInstance("resource1", "Gi", 5L));
     test3Resources.setResourceInformation("resource2",
         ResourceInformation.newInstance("resource2", "m", 2L));
+    test3Resources.setResourceInformation("yarn.io/gpu",
+        ResourceInformation.newInstance("yarn.io/gpu", "", 1));
     testRun.put("node-resources-2.xml", test3Resources);
 
     for (Map.Entry<String, Resource> entry : testRun.entrySet()) {

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/resources/resource-types/node-resources-2.xml

@@ -36,4 +36,9 @@ limitations under the License. See accompanying LICENSE file.
    <value>2m</value>
  </property>
 
+ <property>
+   <name>yarn.nodemanager.resource-type.yarn.io/gpu</name>
+   <value>1</value>
+ </property>
+
 </configuration>

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/test/resources/resource-types/resource-types-4.xml

@@ -18,7 +18,7 @@ limitations under the License. See accompanying LICENSE file.
 
  <property>
    <name>yarn.resource-types</name>
-   <value>resource1,resource2</value>
+   <value>resource1,resource2,yarn.io/gpu</value>
  </property>
 
  <property>
@@ -31,4 +31,9 @@ limitations under the License. See accompanying LICENSE file.
    <value>m</value>
  </property>
 
+ <property>
+   <name>yarn.resource-types.yarn.io/gpu.units</name>
+   <value></value>
+ </property>
+
 </configuration>