[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/cli/src/main/java/org/onosproject/cli/net/DeviceKeyAddCommand.java b/cli/src/main/java/org/onosproject/cli/net/DeviceKeyAddCommand.java
index 44bc483..fc15cfb 100644
--- a/cli/src/main/java/org/onosproject/cli/net/DeviceKeyAddCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/DeviceKeyAddCommand.java
@@ -16,9 +16,10 @@
 
 package org.onosproject.cli.net;
 
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
-import org.apache.karaf.shell.commands.Option;
+import org.apache.karaf.shell.api.action.Argument;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.apache.karaf.shell.api.action.Option;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.net.key.DeviceKey;
 import org.onosproject.net.key.DeviceKeyAdminService;
@@ -27,6 +28,7 @@
 /**
  * Adds a device key.
  */
+@Service
 @Command(scope = "onos", name = "device-key-add",
         description = "Adds a device key. Adding a new device key with " +
                 "the same id will replace the existing device key.")
@@ -62,7 +64,7 @@
     String password = null;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         DeviceKeyAdminService service = get(DeviceKeyAdminService.class);
         DeviceKey deviceKey = null;
         if (type.equalsIgnoreCase(COMMUNITY_NAME)) {