| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF 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 org.apache.camel.component.kubernetes.producer; |
| |
| import java.util.Map; |
| |
| import io.fabric8.kubernetes.api.model.DoneableService; |
| import io.fabric8.kubernetes.api.model.EditableService; |
| import io.fabric8.kubernetes.api.model.Service; |
| import io.fabric8.kubernetes.api.model.ServiceBuilder; |
| import io.fabric8.kubernetes.api.model.ServiceList; |
| import io.fabric8.kubernetes.api.model.ServiceSpec; |
| import io.fabric8.kubernetes.client.dsl.ClientMixedOperation; |
| import io.fabric8.kubernetes.client.dsl.ClientNonNamespaceOperation; |
| import io.fabric8.kubernetes.client.dsl.ClientResource; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.component.kubernetes.KubernetesConstants; |
| import org.apache.camel.component.kubernetes.KubernetesEndpoint; |
| import org.apache.camel.impl.DefaultProducer; |
| import org.apache.camel.util.ObjectHelper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class KubernetesServicesProducer extends DefaultProducer { |
| |
| private static final Logger LOG = LoggerFactory |
| .getLogger(KubernetesServicesProducer.class); |
| |
| public KubernetesServicesProducer(KubernetesEndpoint endpoint) { |
| super(endpoint); |
| } |
| |
| @Override |
| public KubernetesEndpoint getEndpoint() { |
| return (KubernetesEndpoint) super.getEndpoint(); |
| } |
| |
| @Override |
| public void process(Exchange exchange) throws Exception { |
| String operation; |
| |
| if (ObjectHelper.isEmpty(getEndpoint().getKubernetesConfiguration() |
| .getOperation())) { |
| operation = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_OPERATION, String.class); |
| } else { |
| operation = getEndpoint().getKubernetesConfiguration() |
| .getOperation(); |
| } |
| |
| switch (operation) { |
| |
| case KubernetesOperations.LIST_SERVICES_OPERATION: |
| doList(exchange, operation); |
| break; |
| |
| case KubernetesOperations.LIST_SERVICES_BY_LABELS_OPERATION: |
| doListServiceByLabels(exchange, operation); |
| break; |
| |
| case KubernetesOperations.GET_SERVICE_OPERATION: |
| doGetService(exchange, operation); |
| break; |
| |
| case KubernetesOperations.CREATE_SERVICE_OPERATION: |
| doCreateService(exchange, operation); |
| break; |
| |
| case KubernetesOperations.DELETE_SERVICE_OPERATION: |
| doDeleteService(exchange, operation); |
| break; |
| |
| default: |
| throw new IllegalArgumentException("Unsupported operation " |
| + operation); |
| } |
| } |
| |
| protected void doList(Exchange exchange, String operation) throws Exception { |
| ServiceList servicesList = null; |
| String namespaceName = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| if (!ObjectHelper.isEmpty(namespaceName)) { |
| servicesList = getEndpoint().getKubernetesClient().services() |
| .inNamespace(namespaceName).list(); |
| } else { |
| servicesList = getEndpoint().getKubernetesClient().services() |
| .list(); |
| } |
| exchange.getOut().setBody(servicesList.getItems()); |
| } |
| |
| protected void doListServiceByLabels(Exchange exchange, String operation) |
| throws Exception { |
| ServiceList servicesList = null; |
| Map<String, String> labels = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_SERVICE_LABELS, Map.class); |
| String namespaceName = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| if (!ObjectHelper.isEmpty(namespaceName)) { |
| ClientNonNamespaceOperation<Service, ServiceList, DoneableService, ClientResource<Service, DoneableService>> services; |
| services = getEndpoint().getKubernetesClient().services() |
| .inNamespace(namespaceName); |
| for (Map.Entry<String, String> entry : labels.entrySet()) { |
| services.withLabel(entry.getKey(), entry.getValue()); |
| } |
| servicesList = services.list(); |
| } else { |
| ClientMixedOperation<Service, ServiceList, DoneableService, ClientResource<Service, DoneableService>> services; |
| services = getEndpoint().getKubernetesClient().services(); |
| for (Map.Entry<String, String> entry : labels.entrySet()) { |
| services.withLabel(entry.getKey(), entry.getValue()); |
| } |
| servicesList = services.list(); |
| } |
| exchange.getOut().setBody(servicesList.getItems()); |
| } |
| |
| protected void doGetService(Exchange exchange, String operation) |
| throws Exception { |
| Service service = null; |
| String serviceName = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_SERVICE_NAME, String.class); |
| String namespaceName = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| if (ObjectHelper.isEmpty(serviceName)) { |
| LOG.error("Get a specific service require specify a service name"); |
| throw new IllegalArgumentException( |
| "Get a specific service require specify a service name"); |
| } |
| if (ObjectHelper.isEmpty(namespaceName)) { |
| LOG.error("Get a specific service require specify a namespace name"); |
| throw new IllegalArgumentException( |
| "Get a specific service require specify a namespace name"); |
| } |
| service = getEndpoint().getKubernetesClient().services() |
| .inNamespace(namespaceName).withName(serviceName).get(); |
| exchange.getOut().setBody(service); |
| } |
| |
| protected void doCreateService(Exchange exchange, String operation) |
| throws Exception { |
| Service service = null; |
| String serviceName = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_SERVICE_NAME, String.class); |
| String namespaceName = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| ServiceSpec serviceSpec = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_SERVICE_SPEC, ServiceSpec.class); |
| if (ObjectHelper.isEmpty(serviceName)) { |
| LOG.error("Create a specific service require specify a service name"); |
| throw new IllegalArgumentException( |
| "Create a specific service require specify a service name"); |
| } |
| if (ObjectHelper.isEmpty(namespaceName)) { |
| LOG.error("Create a specific service require specify a namespace name"); |
| throw new IllegalArgumentException( |
| "Create a specific service require specify a namespace name"); |
| } |
| if (ObjectHelper.isEmpty(serviceSpec)) { |
| LOG.error("Create a specific service require specify a service spec bean"); |
| throw new IllegalArgumentException( |
| "Create a specific service require specify a service spec bean"); |
| } |
| Map<String, String> labels = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_SERVICE_LABELS, Map.class); |
| EditableService serviceCreating = new ServiceBuilder() |
| .withNewMetadata().withName(serviceName).withLabels(labels) |
| .endMetadata().withSpec(serviceSpec).build(); |
| service = getEndpoint().getKubernetesClient().services() |
| .inNamespace(namespaceName).create(serviceCreating); |
| exchange.getOut().setBody(service); |
| } |
| |
| protected void doDeleteService(Exchange exchange, String operation) |
| throws Exception { |
| String serviceName = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_SERVICE_NAME, String.class); |
| String namespaceName = exchange.getIn().getHeader( |
| KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| if (ObjectHelper.isEmpty(serviceName)) { |
| LOG.error("Delete a specific service require specify a service name"); |
| throw new IllegalArgumentException( |
| "Delete a specific service require specify a service name"); |
| } |
| if (ObjectHelper.isEmpty(namespaceName)) { |
| LOG.error("Delete a specific service require specify a namespace name"); |
| throw new IllegalArgumentException( |
| "Delete a specific service require specify a namespace name"); |
| } |
| boolean serviceDeleted = getEndpoint().getKubernetesClient().services() |
| .inNamespace(namespaceName).withName(serviceName).delete(); |
| exchange.getOut().setBody(serviceDeleted); |
| } |
| } |