add tooling zone support

apollo-client/src/main/java/com/ctrip/framework/apollo/util/ConfigUtil.java

@@ -7,9 +7,7 @@ import com.ctrip.framework.apollo.core.ConfigConsts;
 import com.ctrip.framework.apollo.core.MetaDomainConsts;
 import com.ctrip.framework.apollo.core.enums.Env;
 import com.ctrip.framework.apollo.core.enums.EnvUtils;
-import com.ctrip.framework.apollo.exceptions.ApolloConfigException;
 import com.ctrip.framework.foundation.Foundation;
-import com.dianping.cat.Cat;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -23,6 +21,7 @@ import java.util.concurrent.TimeUnit;
 @Named(type = ConfigUtil.class)
 public class ConfigUtil {
   private static final Logger logger = LoggerFactory.getLogger(ConfigUtil.class);
+  private static final String TOOLS_CLUSTER = "TOOLS";
   private int refreshInterval = 5;
   private TimeUnit refreshIntervalTimeUnit = TimeUnit.MINUTES;
   private int connectTimeout = 1000; //1 second
@@ -66,6 +65,11 @@ public class ConfigUtil {
     //Load data center from system property
     cluster = System.getProperty(ConfigConsts.APOLLO_CLUSTER_KEY);
 
+    //Use TOOLS cluster if tools=true in server.properties
+    if (Strings.isNullOrEmpty(cluster) && isToolingZone()) {
+      cluster = TOOLS_CLUSTER;
+    }
+
     //Use data center as cluster
     if (Strings.isNullOrEmpty(cluster)) {
       cluster = getDataCenter();
@@ -77,6 +81,13 @@ public class ConfigUtil {
     }
   }
 
+  private boolean isToolingZone() {
+    if ("true".equalsIgnoreCase(Foundation.server().getProperty("tools", "false").trim())) {
+      return true;
+    }
+    return false;
+  }
+
   /**
    * Get the cluster name for the current application.
    *