🐛fixed server hostname

Author: stelin

openjob-common/src/main/java/io/openjob/common/util/IpUtil.java

@@ -5,6 +5,7 @@
 import java.net.Inet6Address;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
+import java.net.UnknownHostException;
 import java.util.ArrayList;
 import java.util.Enumeration;
 import java.util.Iterator;
@@ -90,6 +91,17 @@ public static String getLocalAddress() {
         }
     }
 
+    /**
+     * Get ip by host
+     *
+     * @param host host
+     * @return String
+     * @throws UnknownHostException UnknownHostException
+     */
+    public static String getIpByHost(String host) throws UnknownHostException {
+        return InetAddress.getByName(host).getHostAddress();
+    }
+
     /**
      * Normalize address.
      *

openjob-common/src/test/java/io/openjob/common/util/IpUtilTest.java

@@ -1,8 +1,12 @@
 package io.openjob.common.util;
 
+import org.checkerframework.checker.units.qual.A;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
 
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
 /**
  * @author stelin swoft@qq.com
  * @since 1.0.0
@@ -16,4 +20,22 @@ public void testGetLocalIp() {
         String formatAddress = IpUtil.getFormatAddress();
         Assertions.assertNotNull(formatAddress);
     }
+
+    @Test
+    public void testGetIpByHost() throws UnknownHostException {
+        String ip = IpUtil.getIpByHost("localhost");
+        Assertions.assertEquals(ip, "127.0.0.1");
+
+        String ip2 = IpUtil.getIpByHost("127.0.0.1");
+        Assertions.assertEquals(ip2, "127.0.0.1");
+
+        String ip3 = IpUtil.getIpByHost("github.com");
+        Assertions.assertNotNull(ip3);
+
+        String ip4 = IpUtil.getIpByHost("20.205.243.166");
+        Assertions.assertEquals(ip4, "20.205.243.166");
+
+        String ip5 = IpUtil.getIpByHost("172.20.1.166");
+        Assertions.assertEquals(ip5, "172.20.1.166");
+    }
 }

openjob-worker/openjob-worker-core/src/main/java/io/openjob/worker/init/WorkerConfig.java

@@ -5,6 +5,7 @@
 import io.openjob.worker.constant.WorkerConstant;
 import lombok.Getter;
 
+import java.net.UnknownHostException;
 import java.util.Objects;
 import java.util.concurrent.atomic.AtomicBoolean;
 
@@ -58,7 +59,7 @@ public class WorkerConfig {
     /**
      * Init
      */
-    public void init() {
+    public void init() throws UnknownHostException {
         // Already initialized
         if (this.isInit.get()) {
             return;
@@ -74,7 +75,10 @@ public void init() {
         workerPort = OpenjobConfig.getInteger(WorkerConstant.WORKER_PORT, WorkerConstant.DEFAULT_WORKER_PORT);
         workerAddress = String.format("%s:%d", workerHost, workerPort);
         delayEnable = OpenjobConfig.getBoolean(WorkerConstant.WORKER_DELAY_ENABLE, false);
-        serverHost = OpenjobConfig.getString(WorkerConstant.SERVER_HOST, IpUtil.getLocalAddress());
+
+        // Server hostname
+        String serverHostname = OpenjobConfig.getString(WorkerConstant.SERVER_HOST, IpUtil.getLocalAddress());
+        serverHost = IpUtil.getIpByHost(serverHostname);
         serverPort = OpenjobConfig.getInteger(WorkerConstant.SERVER_PORT, WorkerConstant.DEFAULT_SERVER_PORT);
 
         // Initialized