diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackHostnameCompleter.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackHostnameCompleter.java
index 1d08c0a..8dfd0fe 100644
--- a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackHostnameCompleter.java
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackHostnameCompleter.java
@@ -15,8 +15,10 @@
  */
 package org.onosproject.openstacknode.cli;
 
-import org.apache.karaf.shell.console.Completer;
-import org.apache.karaf.shell.console.completer.StringsCompleter;
+import org.apache.karaf.shell.api.console.CommandLine;
+import org.apache.karaf.shell.api.console.Completer;
+import org.apache.karaf.shell.api.console.Session;
+import org.apache.karaf.shell.support.completers.StringsCompleter;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.openstacknode.api.OpenstackNode;
 import org.onosproject.openstacknode.api.OpenstackNodeService;
@@ -32,7 +34,7 @@
 public class OpenstackHostnameCompleter implements Completer {
 
     @Override
-    public int complete(String buffer, int cursor, List<String> candidates) {
+    public int complete(Session session, CommandLine commandLine, List<String> candidates) {
         StringsCompleter delegate = new StringsCompleter();
         OpenstackNodeService osNodeService = AbstractShellCommand.get(OpenstackNodeService.class);
 
@@ -43,6 +45,6 @@
 
         strings.addAll(hostnames);
 
-        return delegate.complete(buffer, cursor, candidates);
+        return delegate.complete(session, commandLine, candidates);
     }
 }
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeCheckCommand.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeCheckCommand.java
index ff57b61..8289c98 100644
--- a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeCheckCommand.java
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeCheckCommand.java
@@ -16,8 +16,8 @@
 
 package org.onosproject.openstacknode.cli;
 
-import org.apache.karaf.shell.commands.Argument;
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Argument;
+import org.apache.karaf.shell.api.action.Command;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.net.DeviceId;
 import org.onosproject.net.Port;
@@ -45,7 +45,7 @@
     private static final String MSG_NO = "NO";
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         OpenstackNodeService osNodeService = AbstractShellCommand.get(OpenstackNodeService.class);
         DeviceService deviceService = AbstractShellCommand.get(DeviceService.class);
 
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeInitCommand.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeInitCommand.java
index d620e37..bfd4b31 100644
--- a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeInitCommand.java
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeInitCommand.java
@@ -16,9 +16,9 @@
 
 package org.onosproject.openstacknode.cli;
 
-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.Option;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.openstacknode.api.NodeState;
 import org.onosproject.openstacknode.api.OpenstackNode;
@@ -46,7 +46,7 @@
     private String[] hostnames = null;
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         OpenstackNodeService osNodeService =
                 AbstractShellCommand.get(OpenstackNodeService.class);
         OpenstackNodeAdminService osNodeAdminService =
diff --git a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeListCommand.java b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeListCommand.java
index 2463e26..e289030 100644
--- a/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeListCommand.java
+++ b/apps/openstacknode/app/src/main/java/org/onosproject/openstacknode/cli/OpenstackNodeListCommand.java
@@ -19,7 +19,7 @@
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.google.common.collect.Lists;
-import org.apache.karaf.shell.commands.Command;
+import org.apache.karaf.shell.api.action.Command;
 import org.onosproject.cli.AbstractShellCommand;
 import org.onosproject.openstacknode.api.OpenstackNode;
 import org.onosproject.openstacknode.api.OpenstackNodeService;
@@ -39,7 +39,7 @@
     private static final String FORMAT = "%-20s%-15s%-24s%-24s%-20s%-20s%-15s%s";
 
     @Override
-    protected void execute() {
+    protected void doExecute() {
         OpenstackNodeService osNodeService = AbstractShellCommand.get(OpenstackNodeService.class);
         List<OpenstackNode> osNodes = Lists.newArrayList(osNodeService.nodes());
         osNodes.sort(Comparator.comparing(OpenstackNode::hostname));