[WIP] Upgrade ONOS to karaf version 4.2.1

Change-Id: I7cd40c995bdf1c80f94b1895fb3344e32404c7fa
diff --git a/cli2/src/main/java/org/onosproject/cli2/NodeRemoveCommand.java b/cli2/src/main/java/org/onosproject/cli2/NodeRemoveCommand.java
new file mode 100644
index 0000000..80dd25d
--- /dev/null
+++ b/cli2/src/main/java/org/onosproject/cli2/NodeRemoveCommand.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2014-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.cli2;
+
+import org.apache.karaf.shell.api.action.Argument;
+import org.apache.karaf.shell.api.action.Command;
+import org.apache.karaf.shell.api.action.Completion;
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.onosproject.cluster.ClusterAdminService;
+import org.onosproject.cluster.NodeId;
+
+/**
+ * Removes a controller cluster node.
+ */
+@Service
+@Command(scope = "onos", name = "remove-node",
+         description = "Removes a new controller cluster node")
+public class NodeRemoveCommand extends AbstractShellCommand {
+
+    @Argument(index = 0, name = "nodeId", description = "Node ID",
+              required = true, multiValued = false)
+    @Completion(NodeIdCompleter.class)
+    String nodeId = null;
+
+    @Override
+    protected void doExecute() {
+        ClusterAdminService service = get(ClusterAdminService.class);
+        service.removeNode(new NodeId(nodeId));
+    }
+
+}