| /* |
| * Copyright 2017-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.nodemetrics.cli; |
| |
| 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.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.nodemetrics.NodeMemoryUsage; |
| import org.onosproject.nodemetrics.NodeMetricsService; |
| |
| import java.util.Collection; |
| import java.util.Objects; |
| |
| /** |
| * Lists memory usage across nodes. |
| */ |
| @Service |
| @Command(scope = "onos", name = "node-memory", |
| description = "Lists all node memory utilization") |
| public class ShowNodeMemoryUsageCommand extends AbstractShellCommand { |
| |
| @Argument(index = 0, name = "nodeId", description = "Node identity", |
| required = false, multiValued = false) |
| String nodeId = null; |
| private NodeMetricsService nodeService = AbstractShellCommand |
| .get(NodeMetricsService.class); |
| |
| @Override |
| protected void doExecute() { |
| if (nodeId != null) { |
| NodeMemoryUsage memory = nodeService.memory(NodeId.nodeId(nodeId)); |
| if (Objects.nonNull(memory)) { |
| print("Memory usage : %s", memory.toString()); |
| } else { |
| print("Node %s doesn't exists"); |
| } |
| } else { |
| Collection<NodeMemoryUsage> memory = nodeService.memory().values(); |
| printMemoryUsage(memory); |
| } |
| } |
| |
| private void printMemoryUsage(Collection<NodeMemoryUsage> memoryList) { |
| memoryList.forEach(memory -> print("%s", memory)); |
| } |
| } |