| /* |
| * 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 com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Lists; |
| import org.apache.commons.lang.StringUtils; |
| 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.k8snode.api.K8sNode; |
| import org.onosproject.k8snode.api.K8sNodeService; |
| |
| import java.util.Comparator; |
| import java.util.List; |
| |
| import static org.onosproject.k8snode.util.K8sNodeUtil.genFormatString; |
| import static org.onosproject.k8snode.util.K8sNodeUtil.prettyJson; |
| |
| /** |
| * Lists all nodes registered to the service. |
| */ |
| @Service |
| @Command(scope = "onos", name = "k8s-nodes", |
| description = "Lists all nodes registered in kubernetes node service") |
| public class K8sNodeListCommand extends AbstractShellCommand { |
| |
| private static final int HOSTNAME_LENGTH = 35; |
| private static final int TYPE_LENGTH = 15; |
| private static final int MANAGEMENT_IP_LENGTH = 25; |
| private static final int DATA_IP_LENGTH = 25; |
| private static final int STATUS = 15; |
| private static final int MARGIN_LENGTH = 2; |
| |
| @Override |
| protected void doExecute() { |
| K8sNodeService nodeService = get(K8sNodeService.class); |
| List<K8sNode> nodes = Lists.newArrayList(nodeService.nodes()); |
| nodes.sort(Comparator.comparing(K8sNode::hostname)); |
| |
| String format = genFormatString(ImmutableList.of(HOSTNAME_LENGTH, |
| TYPE_LENGTH, MANAGEMENT_IP_LENGTH, DATA_IP_LENGTH, STATUS)); |
| |
| if (outputJson()) { |
| print("%s", json(nodes)); |
| } else { |
| print(format, "Hostname", "Type", "Management IP", "Data IP", "State"); |
| for (K8sNode node : nodes) { |
| print(format, |
| StringUtils.substring(node.hostname(), 0, |
| HOSTNAME_LENGTH - MARGIN_LENGTH), |
| node.type(), |
| StringUtils.substring(node.managementIp().toString(), 0, |
| MANAGEMENT_IP_LENGTH - MARGIN_LENGTH), |
| node.dataIp() != null ? StringUtils.substring( |
| node.dataIp().toString(), 0, |
| DATA_IP_LENGTH - MARGIN_LENGTH) : "", |
| node.state()); |
| } |
| print("Total %s nodes", nodeService.nodes().size()); |
| } |
| } |
| |
| private String json(List<K8sNode> nodes) { |
| ObjectMapper mapper = new ObjectMapper(); |
| ArrayNode result = mapper.createArrayNode(); |
| for (K8sNode node : nodes) { |
| result.add(jsonForEntity(node, K8sNode.class)); |
| } |
| return prettyJson(mapper, result.toString()); |
| } |
| } |