Improve Sentinel dashboard for cluster flow control management

sentinel-dashboard/pom.xml

@@ -56,12 +56,6 @@
             <artifactId>spring-boot-starter-logging</artifactId>
             <version>${spring.boot.version}</version>
         </dependency>
-        <dependency>
-            <groupId>org.springframework.boot</groupId>
-            <artifactId>spring-boot-devtools</artifactId>
-            <version>${spring.boot.version}</version>
-            <optional>true</optional>
-        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-test</artifactId>
@@ -105,11 +99,17 @@
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
         </dependency>
+
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>

sentinel-dashboard/src/main/java/com/taobao/csp/sentinel/dashboard/DashboardApplication.java

@@ -15,6 +15,8 @@
  */
 package com.taobao.csp.sentinel.dashboard;
 
+import com.alibaba.csp.sentinel.init.InitExecutor;
+
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 
@@ -27,6 +29,11 @@
 public class DashboardApplication {
 
     public static void main(String[] args) {
+        triggerSentinelInit();
         SpringApplication.run(DashboardApplication.class, args);
     }
+
+    private static void triggerSentinelInit() {
+        new Thread(() -> InitExecutor.doInit()).start();
+    }
 }

sentinel-dashboard/src/main/java/com/taobao/csp/sentinel/dashboard/util/MachineUtil.java → sentinel-dashboard/src/main/java/com/taobao/csp/sentinel/dashboard/client/CommandFailedException.java

@@ -13,20 +13,21 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.taobao.csp.sentinel.dashboard.util;
-
-import com.taobao.csp.sentinel.dashboard.discovery.MachineDiscovery;
-import com.taobao.csp.sentinel.dashboard.discovery.MachineInfo;
+package com.taobao.csp.sentinel.dashboard.client;
 
 /**
  * @author Eric Zhao
  */
-public final class MachineUtil {
+public class CommandFailedException extends RuntimeException {
+
+    public CommandFailedException() {}
+
+    public CommandFailedException(String message) {
+        super(message);
+    }
 
-    public static boolean isMachineHealth(MachineInfo machine) {
-        if (machine == null) {
-            return false;
-        }
-        return System.currentTimeMillis() - machine.getTimestamp().getTime() < MachineDiscovery.MAX_CLIENT_LIVE_TIME_MS;
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        return this;
     }
 }

sentinel-dashboard/src/main/java/com/taobao/csp/sentinel/dashboard/client/CommandNotFoundException.java

@@ -20,9 +20,15 @@
  * @since 0.2.1
  */
 public class CommandNotFoundException extends Exception {
+
     public CommandNotFoundException() { }
 
     public CommandNotFoundException(String message) {
         super(message);
     }
+
+    @Override
+    public synchronized Throwable fillInStackTrace() {
+        return this;
+    }
 }