[Fix-108][gateway] Fix to cancel per-job bug

dlink-gateway/src/main/java/com/dlink/gateway/yarn/YarnGateway.java

 package com.dlink.gateway.yarn;
 
-import com.dlink.assertion.Asserts;
-import com.dlink.gateway.AbstractGateway;
-import com.dlink.gateway.config.ActionType;
-import com.dlink.gateway.config.GatewayConfig;
-import com.dlink.gateway.exception.GatewayException;
-import com.dlink.gateway.model.JobInfo;
-import com.dlink.gateway.result.SavePointResult;
-import com.dlink.gateway.result.TestResult;
-import com.dlink.utils.LogUtil;
-
 import org.apache.flink.api.common.JobID;
+import org.apache.flink.client.deployment.ClusterRetrieveException;
 import org.apache.flink.client.program.ClusterClient;
 import org.apache.flink.configuration.CheckpointingOptions;
 import org.apache.flink.configuration.DeploymentOptions;
@@ -35,8 +26,25 @@ import org.apache.hadoop.yarn.conf.YarnConfiguration;
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.net.URI;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.Executors;
+
+import com.dlink.assertion.Asserts;
+import com.dlink.gateway.AbstractGateway;
+import com.dlink.gateway.config.ActionType;
+import com.dlink.gateway.config.GatewayConfig;
+import com.dlink.gateway.config.SavePointType;
+import com.dlink.gateway.exception.GatewayException;
+import com.dlink.gateway.model.JobInfo;
+import com.dlink.gateway.result.SavePointResult;
+import com.dlink.gateway.result.TestResult;
+import com.dlink.utils.LogUtil;
 
 /**
  * YarnSubmiter
@@ -205,6 +213,13 @@ public abstract class YarnGateway extends AbstractGateway {
         } catch (Exception e) {
             result.fail(LogUtil.getError(e));
         }
+        if (ActionType.CANCEL == config.getFlinkConfig().getAction() || SavePointType.CANCEL.equals(config.getFlinkConfig().getSavePointType())) {
+            try {
+                autoCancelCluster(clusterDescriptor.retrieve(applicationId).getClusterClient());
+            } catch (ClusterRetrieveException e) {
+                e.printStackTrace();
+            }
+        }
         return result;
     }
 
@@ -235,6 +250,19 @@ public abstract class YarnGateway extends AbstractGateway {
         }
     }
 
+    private void autoCancelCluster(ClusterClient<ApplicationId> clusterClient) {
+        Executors.newCachedThreadPool().submit(() -> {
+            try {
+                Thread.sleep(3000);
+                clusterClient.shutDownCluster();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            } finally {
+                clusterClient.close();
+            }
+        });
+    }
+
     public TestResult test() {
         try {
             initConfig();