[FLINK-20090][rest] Expose slot sharing group info in REST API

flink-clients/src/test/java/org/apache/flink/client/program/rest/RestClusterClientTest.java

@@ -37,10 +37,13 @@
 import org.apache.flink.runtime.client.JobSubmissionException;
 import org.apache.flink.runtime.clusterframework.ApplicationStatus;
 import org.apache.flink.runtime.dispatcher.DispatcherGateway;
+import org.apache.flink.runtime.execution.ExecutionState;
+import org.apache.flink.runtime.instance.SlotSharingGroupId;
 import org.apache.flink.runtime.io.network.partition.DataSetMetaInfo;
 import org.apache.flink.runtime.jobgraph.IntermediateDataSetID;
 import org.apache.flink.runtime.jobgraph.JobGraph;
 import org.apache.flink.runtime.jobgraph.JobGraphTestUtils;
+import org.apache.flink.runtime.jobgraph.JobVertexID;
 import org.apache.flink.runtime.jobgraph.OperatorID;
 import org.apache.flink.runtime.jobmaster.JobResult;
 import org.apache.flink.runtime.messages.Acknowledge;
@@ -71,6 +74,7 @@
 import org.apache.flink.runtime.rest.messages.JobCancellationHeaders;
 import org.apache.flink.runtime.rest.messages.JobCancellationMessageParameters;
 import org.apache.flink.runtime.rest.messages.JobMessageParameters;
+import org.apache.flink.runtime.rest.messages.JobPlanInfo;
 import org.apache.flink.runtime.rest.messages.JobsOverviewHeaders;
 import org.apache.flink.runtime.rest.messages.MessageHeaders;
 import org.apache.flink.runtime.rest.messages.MessageParameters;
@@ -86,6 +90,8 @@
 import org.apache.flink.runtime.rest.messages.dataset.ClusterDataSetIdPathParameter;
 import org.apache.flink.runtime.rest.messages.dataset.ClusterDataSetListHeaders;
 import org.apache.flink.runtime.rest.messages.dataset.ClusterDataSetListResponseBody;
+import org.apache.flink.runtime.rest.messages.job.JobDetailsHeaders;
+import org.apache.flink.runtime.rest.messages.job.JobDetailsInfo;
 import org.apache.flink.runtime.rest.messages.job.JobExecutionResultHeaders;
 import org.apache.flink.runtime.rest.messages.job.JobExecutionResultResponseBody;
 import org.apache.flink.runtime.rest.messages.job.JobStatusInfoHeaders;
@@ -96,6 +102,7 @@
 import org.apache.flink.runtime.rest.messages.job.coordination.ClientCoordinationMessageParameters;
 import org.apache.flink.runtime.rest.messages.job.coordination.ClientCoordinationRequestBody;
 import org.apache.flink.runtime.rest.messages.job.coordination.ClientCoordinationResponseBody;
+import org.apache.flink.runtime.rest.messages.job.metrics.IOMetricsInfo;
 import org.apache.flink.runtime.rest.messages.job.savepoints.SavepointDisposalRequest;
 import org.apache.flink.runtime.rest.messages.job.savepoints.SavepointDisposalStatusHeaders;
 import org.apache.flink.runtime.rest.messages.job.savepoints.SavepointDisposalStatusMessageParameters;
@@ -1236,6 +1243,58 @@ void testNotShowSuspendedJobStatus() throws Exception {
         }
     }
 
+    @Test
+    void testJobDetailsContainsSlotSharingGroupId() throws Exception {
+        final IOMetricsInfo jobVertexMetrics =
+                new IOMetricsInfo(0, false, 0, false, 0, false, 0, false, 0, 0, 0);
+        SlotSharingGroupId slotSharingGroupId = new SlotSharingGroupId();
+        final Collection<JobDetailsInfo.JobVertexDetailsInfo> jobVertexDetailsInfos =
+                Collections.singletonList(
+                        new JobDetailsInfo.JobVertexDetailsInfo(
+                                new JobVertexID(),
+                                slotSharingGroupId,
+                                "jobVertex1",
+                                2,
+                                1,
+                                ExecutionState.RUNNING,
+                                1,
+                                2,
+                                1,
+                                Collections.singletonMap(ExecutionState.RUNNING, 0),
+                                jobVertexMetrics));
+        final JobDetailsInfo jobDetailsInfo =
+                new JobDetailsInfo(
+                        jobId,
+                        "foobar",
+                        false,
+                        JobStatus.RUNNING,
+                        1,
+                        2,
+                        1,
+                        2,
+                        10,
+                        Collections.singletonMap(JobStatus.RUNNING, 1L),
+                        jobVertexDetailsInfos,
+                        Collections.singletonMap(ExecutionState.RUNNING, 1),
+                        new JobPlanInfo.RawJson("{\"id\":\"1234\"}"));
+        final TestJobDetailsInfoHandler jobDetailsInfoHandler =
+                new TestJobDetailsInfoHandler(jobDetailsInfo);
+
+        try (TestRestServerEndpoint restServerEndpoint =
+                createRestServerEndpoint(jobDetailsInfoHandler)) {
+            try (RestClusterClient<?> restClusterClient =
+                    createRestClusterClient(restServerEndpoint.getServerAddress().getPort())) {
+                final CompletableFuture<JobDetailsInfo> jobDetailsInfoFuture =
+                        restClusterClient.getJobDetails(jobId);
+                Collection<JobDetailsInfo.JobVertexDetailsInfo> jobVertexInfos =
+                        jobDetailsInfoFuture.get().getJobVertexInfos();
+                assertThat(jobVertexInfos).hasSize(1);
+                assertThat(jobVertexInfos.iterator().next().getSlotSharingGroupId())
+                        .isEqualTo(slotSharingGroupId);
+            }
+        }
+    }
+
     private class TestClientCoordinationHandler
             extends TestHandler<
                     ClientCoordinationRequestBody,
@@ -1402,6 +1461,25 @@ protected CompletableFuture<JobStatusInfo> handleRequest(
         }
     }
 
+    private class TestJobDetailsInfoHandler
+            extends TestHandler<EmptyRequestBody, JobDetailsInfo, JobMessageParameters> {
+
+        private final JobDetailsInfo jobDetailsInfo;
+
+        private TestJobDetailsInfoHandler(@Nonnull JobDetailsInfo jobDetailsInfo) {
+            super(JobDetailsHeaders.getInstance());
+            this.jobDetailsInfo = checkNotNull(jobDetailsInfo);
+        }
+
+        @Override
+        protected CompletableFuture<JobDetailsInfo> handleRequest(
+                @Nonnull HandlerRequest<EmptyRequestBody> request,
+                @Nonnull DispatcherGateway gateway)
+                throws RestHandlerException {
+            return CompletableFuture.completedFuture(jobDetailsInfo);
+        }
+    }
+
     private abstract class TestHandler<
                     R extends RequestBody, P extends ResponseBody, M extends MessageParameters>
             extends AbstractRestHandler<DispatcherGateway, R, P, M> {

flink-runtime-web/src/test/resources/rest_api_v1.snapshot

@@ -899,6 +899,9 @@
               "id" : {
                 "type" : "any"
               },
+              "slotSharingGroupId" : {
+                "type" : "any"
+              },
               "name" : {
                 "type" : "string"
               },

flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/AccessExecutionJobVertex.java

@@ -21,6 +21,7 @@
 import org.apache.flink.runtime.clusterframework.types.ResourceProfile;
 import org.apache.flink.runtime.execution.ExecutionState;
 import org.apache.flink.runtime.jobgraph.JobVertexID;
+import org.apache.flink.runtime.jobmanager.scheduler.SlotSharingGroup;
 
 /**
  * Common interface for the runtime {@link ExecutionJobVertex} and {@link
@@ -48,6 +49,13 @@ public interface AccessExecutionJobVertex {
      */
     int getMaxParallelism();
 
+    /**
+     * Returns the slot sharing group for this job vertex.
+     *
+     * @return slot sharing group for this job vertex.
+     */
+    SlotSharingGroup getSlotSharingGroup();
+
     /**
      * Returns the resource profile for this job vertex.
      *

flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ArchivedExecutionGraph.java

@@ -400,6 +400,7 @@ public static ArchivedExecutionGraph createSparseArchivedExecutionGraphWithJobVe
                             jobVertex.getName(),
                             parallelismInfo.getParallelism(),
                             parallelismInfo.getMaxParallelism(),
+                            jobVertex.getSlotSharingGroup(),
                             ResourceProfile.fromResourceSpec(
                                     jobVertex.getMinResources(), MemorySize.ZERO),
                             new StringifiedAccumulatorResult[0]);

flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ArchivedExecutionJobVertex.java

@@ -21,6 +21,7 @@
 import org.apache.flink.runtime.clusterframework.types.ResourceProfile;
 import org.apache.flink.runtime.execution.ExecutionState;
 import org.apache.flink.runtime.jobgraph.JobVertexID;
+import org.apache.flink.runtime.jobmanager.scheduler.SlotSharingGroup;
 
 import java.io.Serializable;
 
@@ -39,6 +40,8 @@ public class ArchivedExecutionJobVertex implements AccessExecutionJobVertex, Ser
 
     private final int maxParallelism;
 
+    private final SlotSharingGroup slotSharingGroup;
+
     private final ResourceProfile resourceProfile;
 
     private final StringifiedAccumulatorResult[] archivedUserAccumulators;
@@ -55,6 +58,7 @@ public ArchivedExecutionJobVertex(ExecutionJobVertex jobVertex) {
         this.name = jobVertex.getJobVertex().getName();
         this.parallelism = jobVertex.getParallelism();
         this.maxParallelism = jobVertex.getMaxParallelism();
+        this.slotSharingGroup = jobVertex.getSlotSharingGroup();
         this.resourceProfile = jobVertex.getResourceProfile();
     }
 
@@ -64,13 +68,15 @@ public ArchivedExecutionJobVertex(
             String name,
             int parallelism,
             int maxParallelism,
+            SlotSharingGroup slotSharingGroup,
             ResourceProfile resourceProfile,
             StringifiedAccumulatorResult[] archivedUserAccumulators) {
         this.taskVertices = taskVertices;
         this.id = id;
         this.name = name;
         this.parallelism = parallelism;
         this.maxParallelism = maxParallelism;
+        this.slotSharingGroup = slotSharingGroup;
         this.resourceProfile = resourceProfile;
         this.archivedUserAccumulators = archivedUserAccumulators;
     }
@@ -94,6 +100,11 @@ public int getMaxParallelism() {
         return maxParallelism;
     }
 
+    @Override
+    public SlotSharingGroup getSlotSharingGroup() {
+        return slotSharingGroup;
+    }
+
     @Override
     public ResourceProfile getResourceProfile() {
         return resourceProfile;

flink-runtime/src/main/java/org/apache/flink/runtime/executiongraph/ExecutionJobVertex.java

@@ -391,6 +391,7 @@ public InputSplitAssigner getSplitAssigner() {
         return splitAssigner;
     }
 
+    @Override
     public SlotSharingGroup getSlotSharingGroup() {
         return slotSharingGroup;
     }

flink-runtime/src/main/java/org/apache/flink/runtime/instance/SlotSharingGroupId.java

@@ -19,13 +19,24 @@
 package org.apache.flink.runtime.instance;
 
 import org.apache.flink.util.AbstractID;
+import org.apache.flink.util.StringUtils;
 
 public class SlotSharingGroupId extends AbstractID {
     private static final long serialVersionUID = 8837647978345422042L;
 
+    public SlotSharingGroupId() {
+        super();
+    }
+
     public SlotSharingGroupId(long lowerPart, long upperPart) {
         super(lowerPart, upperPart);
     }
 
-    public SlotSharingGroupId() {}
+    public SlotSharingGroupId(byte[] bytes) {
+        super(bytes);
+    }
+
+    public static SlotSharingGroupId fromHexString(String hexString) {
+        return new SlotSharingGroupId(StringUtils.hexStringToByte(hexString));
+    }
 }

flink-runtime/src/main/java/org/apache/flink/runtime/rest/handler/job/JobDetailsHandler.java

@@ -230,6 +230,7 @@ private static JobDetailsInfo.JobVertexDetailsInfo createJobVertexDetailsInfo(
 
         return new JobDetailsInfo.JobVertexDetailsInfo(
                 ejv.getJobVertexId(),
+                ejv.getSlotSharingGroup().getSlotSharingGroupId(),
                 ejv.getName(),
                 ejv.getMaxParallelism(),
                 ejv.getParallelism(),

flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/job/JobDetailsInfo.java

@@ -21,6 +21,7 @@
 import org.apache.flink.api.common.JobID;
 import org.apache.flink.api.common.JobStatus;
 import org.apache.flink.runtime.execution.ExecutionState;
+import org.apache.flink.runtime.instance.SlotSharingGroupId;
 import org.apache.flink.runtime.jobgraph.JobVertexID;
 import org.apache.flink.runtime.rest.messages.JobPlanInfo;
 import org.apache.flink.runtime.rest.messages.ResponseBody;
@@ -29,6 +30,8 @@
 import org.apache.flink.runtime.rest.messages.json.JobIDSerializer;
 import org.apache.flink.runtime.rest.messages.json.JobVertexIDDeserializer;
 import org.apache.flink.runtime.rest.messages.json.JobVertexIDSerializer;
+import org.apache.flink.runtime.rest.messages.json.SlotSharingGroupIDDeserializer;
+import org.apache.flink.runtime.rest.messages.json.SlotSharingGroupIDSerializer;
 import org.apache.flink.util.Preconditions;
 
 import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.annotation.JsonCreator;
@@ -263,6 +266,8 @@ public static final class JobVertexDetailsInfo {
 
         public static final String FIELD_NAME_JOB_VERTEX_ID = "id";
 
+        public static final String FIELD_NAME_SLOT_SHARING_GROUP_ID = "slotSharingGroupId";
+
         public static final String FIELD_NAME_JOB_VERTEX_NAME = "name";
 
         public static final String FIELD_NAME_MAX_PARALLELISM = "maxParallelism";
@@ -285,6 +290,10 @@ public static final class JobVertexDetailsInfo {
         @JsonSerialize(using = JobVertexIDSerializer.class)
         private final JobVertexID jobVertexID;
 
+        @JsonProperty(FIELD_NAME_SLOT_SHARING_GROUP_ID)
+        @JsonSerialize(using = SlotSharingGroupIDSerializer.class)
+        private final SlotSharingGroupId slotSharingGroupId;
+
         @JsonProperty(FIELD_NAME_JOB_VERTEX_NAME)
         private final String name;
 
@@ -317,6 +326,9 @@ public JobVertexDetailsInfo(
                 @JsonDeserialize(using = JobVertexIDDeserializer.class)
                         @JsonProperty(FIELD_NAME_JOB_VERTEX_ID)
                         JobVertexID jobVertexID,
+                @JsonDeserialize(using = SlotSharingGroupIDDeserializer.class)
+                        @JsonProperty(FIELD_NAME_SLOT_SHARING_GROUP_ID)
+                        SlotSharingGroupId slotSharingGroupId,
                 @JsonProperty(FIELD_NAME_JOB_VERTEX_NAME) String name,
                 @JsonProperty(FIELD_NAME_MAX_PARALLELISM) int maxParallelism,
                 @JsonProperty(FIELD_NAME_PARALLELISM) int parallelism,
@@ -328,6 +340,7 @@ public JobVertexDetailsInfo(
                         Map<ExecutionState, Integer> tasksPerState,
                 @JsonProperty(FIELD_NAME_JOB_VERTEX_METRICS) IOMetricsInfo jobVertexMetrics) {
             this.jobVertexID = Preconditions.checkNotNull(jobVertexID);
+            this.slotSharingGroupId = Preconditions.checkNotNull(slotSharingGroupId);
             this.name = Preconditions.checkNotNull(name);
             this.maxParallelism = maxParallelism;
             this.parallelism = parallelism;
@@ -344,6 +357,11 @@ public JobVertexID getJobVertexID() {
             return jobVertexID;
         }
 
+        @JsonIgnore
+        public SlotSharingGroupId getSlotSharingGroupId() {
+            return slotSharingGroupId;
+        }
+
         @JsonIgnore
         public String getName() {
             return name;
@@ -404,6 +422,7 @@ public boolean equals(Object o) {
                     && endTime == that.endTime
                     && duration == that.duration
                     && Objects.equals(jobVertexID, that.jobVertexID)
+                    && Objects.equals(slotSharingGroupId, that.slotSharingGroupId)
                     && Objects.equals(name, that.name)
                     && executionState == that.executionState
                     && Objects.equals(tasksPerState, that.tasksPerState)
@@ -414,6 +433,7 @@ public boolean equals(Object o) {
         public int hashCode() {
             return Objects.hash(
                     jobVertexID,
+                    slotSharingGroupId,
                     name,
                     maxParallelism,
                     parallelism,

flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/json/SlotSharingGroupIDDeserializer.java

@@ -0,0 +1,44 @@
+/*
+ * 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.flink.runtime.rest.messages.json;
+
+import org.apache.flink.runtime.instance.SlotSharingGroupId;
+import org.apache.flink.runtime.jobgraph.JobVertexID;
+
+import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.core.JsonParser;
+import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.DeserializationContext;
+import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.deser.std.StdDeserializer;
+
+import java.io.IOException;
+
+/** Jackson deserializer for {@link SlotSharingGroupId}. */
+public class SlotSharingGroupIDDeserializer extends StdDeserializer<SlotSharingGroupId> {
+
+    private static final long serialVersionUID = -2908308366715321301L;
+
+    protected SlotSharingGroupIDDeserializer() {
+        super(JobVertexID.class);
+    }
+
+    @Override
+    public SlotSharingGroupId deserialize(JsonParser p, DeserializationContext ctxt)
+            throws IOException {
+        return SlotSharingGroupId.fromHexString(p.getValueAsString());
+    }
+}