[ONOS-7902] Add node handler and a set of CLIs for kubernetes node
Change-Id: Iee4a88e4af437d551a38342de339455387389f61
diff --git a/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/cli/K8sHostnameCompleter.java b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/cli/K8sHostnameCompleter.java
new file mode 100644
index 0000000..54c66fa
--- /dev/null
+++ b/apps/k8s-node/app/src/main/java/org/onosproject/k8snode/cli/K8sHostnameCompleter.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2019-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.k8snode.cli;
+
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+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.k8snode.api.K8sNode;
+import org.onosproject.k8snode.api.K8sNodeService;
+
+import java.util.List;
+import java.util.Set;
+import java.util.SortedSet;
+import java.util.stream.Collectors;
+
+import static org.onosproject.cli.AbstractShellCommand.get;
+
+/**
+ * Kubernetes host completer.
+ */
+@Service
+public class K8sHostnameCompleter implements Completer {
+ @Override
+ public int complete(Session session, CommandLine commandLine, List<String> candidates) {
+ StringsCompleter delegate = new StringsCompleter();
+ K8sNodeService nodeService = get(K8sNodeService.class);
+
+ Set<String> hostnames = nodeService.nodes().stream()
+ .map(K8sNode::hostname)
+ .collect(Collectors.toSet());
+ SortedSet<String> strings = delegate.getStrings();
+
+ strings.addAll(hostnames);
+
+ return delegate.complete(session, commandLine, candidates);
+ }
+}