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From GitBox <...@apache.org>
Subject [GitHub] rdhabalia closed pull request #2113: derive worker-host and id at runtime if not provided
Date Mon, 09 Jul 2018 20:39:48 GMT
rdhabalia closed pull request #2113: derive worker-host and id at runtime if not provided
URL: https://github.com/apache/incubator-pulsar/pull/2113
 
 
   

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
below (as it won't show otherwise due to GitHub magic):

diff --git a/pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/WorkerConfig.java
b/pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/WorkerConfig.java
index af1f16204c..c7ebcf9d44 100644
--- a/pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/WorkerConfig.java
+++ b/pulsar-functions/worker/src/main/java/org/apache/pulsar/functions/worker/WorkerConfig.java
@@ -24,6 +24,10 @@
 import java.io.File;
 import java.io.IOException;
 import java.io.Serializable;
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+import org.apache.commons.lang3.StringUtils;
 
 import lombok.Data;
 import lombok.EqualsAndHashCode;
@@ -69,7 +73,7 @@
     private String tlsTrustCertsFilePath = "";
     private boolean tlsAllowInsecureConnection = false;
     private boolean tlsHostnameVerificationEnable = false;
-
+    
     @Data
     @Setter
     @Getter
@@ -108,4 +112,26 @@ public static WorkerConfig load(String yamlFile) throws IOException {
         ObjectMapper mapper = new ObjectMapper(new YAMLFactory());
         return mapper.readValue(new File(yamlFile), WorkerConfig.class);
     }
+
+    public String getWorkerId() {
+        if (StringUtils.isBlank(this.workerId)) {
+            this.workerId = getWorkerHostname();
+        }
+        return this.workerId;
+    }
+
+    public String getWorkerHostname() {
+        if (StringUtils.isBlank(this.workerHostname)) {
+            this.workerHostname = unsafeLocalhostResolve();
+        }
+        return this.workerHostname;
+    }
+    
+    public static String unsafeLocalhostResolve() {
+        try {
+            return InetAddress.getLocalHost().getHostName();
+        } catch (UnknownHostException ex) {
+            throw new IllegalStateException("Failed to resolve localhost name.", ex);
+        }
+    }
 }


 

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