/** * Copyright 2005-2015 Red Hat, Inc. * * Red Hat licenses this file to you 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 io.fabric8.forge.kubernetes; import io.fabric8.kubernetes.api.KubernetesHelper; import io.fabric8.kubernetes.api.model.Service; import io.fabric8.kubernetes.api.model.ServiceList; import io.fabric8.utils.Filter; import io.fabric8.utils.Strings; import io.fabric8.utils.TablePrinter; import org.jboss.forge.addon.ui.context.UIBuilder; import org.jboss.forge.addon.ui.context.UIContext; import org.jboss.forge.addon.ui.context.UIExecutionContext; import org.jboss.forge.addon.ui.input.UIInput; import org.jboss.forge.addon.ui.metadata.UICommandMetadata; import org.jboss.forge.addon.ui.metadata.WithAttributes; import org.jboss.forge.addon.ui.result.Result; import org.jboss.forge.addon.ui.util.Categories; import org.jboss.forge.addon.ui.util.Metadata; import javax.inject.Inject; import java.io.PrintStream; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Set; import static io.fabric8.kubernetes.api.KubernetesHelper.getPorts; import static io.fabric8.kubernetes.api.KubernetesHelper.getSelector; /** * Command to list services in kubernetes */ public class ServicesList extends AbstractKubernetesCommand { @Inject @WithAttributes(name = "filter", label = "The text filter used to filter pods using label selectors") UIInput<String> filterText; @Override public UICommandMetadata getMetadata(UIContext context) { return Metadata.from(super.getMetadata(context), getClass()) .category(Categories.create(CATEGORY)) .name(CATEGORY + ": Service List") .description("Lists the services in a kubernetes cloud"); } @Override public void initializeUI(UIBuilder builder) throws Exception { super.initializeUI(builder); builder.add(filterText); } @Override public Result execute(UIExecutionContext uiExecutionContext) throws Exception { ServiceList services = getKubernetes().services().list(); printServices(services, System.out); return null; } private void printServices(ServiceList services, PrintStream out) { TablePrinter table = new TablePrinter(); table.columns("id", "labels", "selector", "port"); List<Service> items = services.getItems(); if (items == null) { items = Collections.EMPTY_LIST; } Filter<Service> filter = KubernetesHelper.createServiceFilter(filterText.getValue()); for (Service service : items) { if (filter.matches(service)) { String labels = KubernetesHelper.toLabelsString(service.getMetadata().getLabels()); String selector = KubernetesHelper.toLabelsString(getSelector(service)); Set<Integer> ports = getPorts(service); List<Integer> portList = new ArrayList<>(ports); String portText; if (portList.size() == 1) { portText = portList.get(0).toString(); } else { portText = Strings.join(portList, ", "); } table.row(KubernetesHelper.getName(service), labels, selector, portText); } } table.print(); } }