[GitHub] sijie closed pull request #1734: Print periodic status of instances in localrun

[GitBox <gi...@apache.org>]

sijie closed pull request #1734: Print periodic status of instances in localrun
URL: https://github.com/apache/incubator-pulsar/pull/1734
 
 
   

This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:

As this is a foreign pull request (from a fork), the diff is supplied
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diff --git a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdFunctions.java b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdFunctions.java
index c0d88588d8..3e6201ec35 100644
--- a/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdFunctions.java
+++ b/pulsar-client-tools/src/main/java/org/apache/pulsar/admin/cli/CmdFunctions.java
@@ -29,13 +29,10 @@
 import java.io.ObjectOutputStream;
 import java.lang.reflect.Type;
 import java.net.MalformedURLException;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Map;
-import java.util.UUID;
+import java.util.*;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
 import java.util.stream.IntStream;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
@@ -1014,6 +1011,32 @@ public void run() {
                     }
                 }
             });
+            Timer statusCheckTimer = new Timer();
+            statusCheckTimer.scheduleAtFixedRate(new TimerTask() {
+                    @Override
+                    public void run() {
+                        CompletableFuture<String>[] futures = new CompletableFuture[spawners.size()];
+                        int index = 0;
+                        for (RuntimeSpawner spawner : spawners) {
+                            futures[index++] = spawner.getFunctionStatusAsJson();
+                        }
+                        try {
+                            CompletableFuture.allOf(futures).get(5, TimeUnit.SECONDS);
+                            for (index = 0; index < futures.length; ++index) {
+                                String json = futures[index].get();
+                                Gson gson = new GsonBuilder().setPrettyPrinting().create();
+                                log.info(gson.toJson(new JsonParser().parse(json)));
+                            }
+                        } catch (Exception ex) {
+                            log.error("Could not get status from all local instances");
+                        }
+                    }
+                }, 30000, 30000);
+            Runtime.getRuntime().addShutdownHook(new Thread() {
+                    public void run() {
+                        statusCheckTimer.cancel();
+                    }
+                });
             for (RuntimeSpawner spawner : spawners) {
                 spawner.join();
                 log.info("RuntimeSpawner quit because of {}", spawner.getRuntime().getDeathException());
diff --git a/pulsar-functions/runtime/src/main/java/org/apache/pulsar/functions/runtime/RuntimeSpawner.java b/pulsar-functions/runtime/src/main/java/org/apache/pulsar/functions/runtime/RuntimeSpawner.java
index ede905671b..0994adcc73 100644
--- a/pulsar-functions/runtime/src/main/java/org/apache/pulsar/functions/runtime/RuntimeSpawner.java
+++ b/pulsar-functions/runtime/src/main/java/org/apache/pulsar/functions/runtime/RuntimeSpawner.java
@@ -23,6 +23,7 @@
  */
 package org.apache.pulsar.functions.runtime;
 
+import java.io.IOException;
 import java.util.Timer;
 import java.util.TimerTask;
 import java.util.concurrent.CompletableFuture;
@@ -31,6 +32,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.apache.pulsar.functions.instance.InstanceConfig;
 import org.apache.pulsar.functions.proto.InstanceCommunication.FunctionStatus;
+import org.apache.pulsar.functions.utils.Utils;
 
 @Slf4j
 public class RuntimeSpawner implements AutoCloseable {
@@ -100,6 +102,16 @@ public void join() throws Exception {
         });
     }
 
+    public CompletableFuture<String> getFunctionStatusAsJson() {
+        return this.getFunctionStatus().thenApply(msg -> {
+            try {
+                return Utils.printJson(msg);
+            } catch (IOException e) {
+                throw new RuntimeException("Exception parsing getstatus", e);
+            }
+        });
+    }
+
     @Override
     public void close() {
         if (null != runtime) {


 

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