| /* |
| * 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.replication_controllers; |
| |
| import java.util.Map; |
| |
| import io.fabric8.kubernetes.api.model.DoneableReplicationController; |
| import io.fabric8.kubernetes.api.model.ReplicationController; |
| import io.fabric8.kubernetes.api.model.ReplicationControllerBuilder; |
| import io.fabric8.kubernetes.api.model.ReplicationControllerList; |
| import io.fabric8.kubernetes.api.model.ReplicationControllerSpec; |
| import io.fabric8.kubernetes.client.Watch; |
| import io.fabric8.kubernetes.client.Watcher; |
| import io.fabric8.kubernetes.client.dsl.FilterWatchListMultiDeletable; |
| import io.fabric8.kubernetes.client.dsl.NonNamespaceOperation; |
| import io.fabric8.kubernetes.client.dsl.RollableScalableResource; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.component.kubernetes.AbstractKubernetesEndpoint; |
| import org.apache.camel.component.kubernetes.KubernetesConstants; |
| import org.apache.camel.component.kubernetes.KubernetesOperations; |
| import org.apache.camel.support.DefaultProducer; |
| import org.apache.camel.support.MessageHelper; |
| import org.apache.camel.util.ObjectHelper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class KubernetesReplicationControllersProducer extends DefaultProducer { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(KubernetesReplicationControllersProducer.class); |
| |
| public KubernetesReplicationControllersProducer(AbstractKubernetesEndpoint endpoint) { |
| super(endpoint); |
| } |
| |
| @Override |
| public AbstractKubernetesEndpoint getEndpoint() { |
| return (AbstractKubernetesEndpoint)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_REPLICATION_CONTROLLERS_OPERATION: |
| doList(exchange, operation); |
| break; |
| |
| case KubernetesOperations.LIST_REPLICATION_CONTROLLERS_BY_LABELS_OPERATION: |
| doListReplicationControllersByLabels(exchange, operation); |
| break; |
| |
| case KubernetesOperations.GET_REPLICATION_CONTROLLER_OPERATION: |
| doGetReplicationController(exchange, operation); |
| break; |
| |
| case KubernetesOperations.CREATE_REPLICATION_CONTROLLER_OPERATION: |
| doCreateReplicationController(exchange, operation); |
| break; |
| |
| case KubernetesOperations.DELETE_REPLICATION_CONTROLLER_OPERATION: |
| doDeleteReplicationController(exchange, operation); |
| break; |
| |
| case KubernetesOperations.SCALE_REPLICATION_CONTROLLER_OPERATION: |
| doScaleReplicationController(exchange, operation); |
| break; |
| |
| default: |
| throw new IllegalArgumentException("Unsupported operation " + operation); |
| } |
| } |
| |
| protected void doList(Exchange exchange, String operation) throws Exception { |
| ReplicationControllerList rcList = null; |
| String namespaceName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| if (!ObjectHelper.isEmpty(namespaceName)) { |
| rcList = getEndpoint().getKubernetesClient().replicationControllers().inNamespace(namespaceName).list(); |
| } else { |
| rcList = getEndpoint().getKubernetesClient().replicationControllers().inAnyNamespace().list(); |
| } |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(rcList.getItems()); |
| } |
| |
| protected void doListReplicationControllersByLabels(Exchange exchange, String operation) throws Exception { |
| ReplicationControllerList rcList = null; |
| Map<String, String> labels = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLERS_LABELS, Map.class); |
| String namespaceName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| if (!ObjectHelper.isEmpty(namespaceName)) { |
| |
| NonNamespaceOperation<ReplicationController, ReplicationControllerList, DoneableReplicationController, RollableScalableResource<ReplicationController, DoneableReplicationController>> replicationControllers = getEndpoint() |
| .getKubernetesClient().replicationControllers().inNamespace(namespaceName); |
| for (Map.Entry<String, String> entry : labels.entrySet()) { |
| replicationControllers.withLabel(entry.getKey(), entry.getValue()); |
| } |
| rcList = replicationControllers.list(); |
| } else { |
| FilterWatchListMultiDeletable<ReplicationController, ReplicationControllerList, Boolean, Watch, Watcher<ReplicationController>> replicationControllers = getEndpoint() |
| .getKubernetesClient().replicationControllers().inAnyNamespace(); |
| for (Map.Entry<String, String> entry : labels.entrySet()) { |
| replicationControllers.withLabel(entry.getKey(), entry.getValue()); |
| } |
| rcList = replicationControllers.list(); |
| } |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(rcList.getItems()); |
| |
| } |
| |
| protected void doGetReplicationController(Exchange exchange, String operation) throws Exception { |
| ReplicationController rc = null; |
| String rcName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_NAME, String.class); |
| String namespaceName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| if (ObjectHelper.isEmpty(rcName)) { |
| LOG.error("Get a specific replication controller require specify a replication controller name"); |
| throw new IllegalArgumentException("Get a specific replication controller require specify a replication controller name"); |
| } |
| if (ObjectHelper.isEmpty(namespaceName)) { |
| LOG.error("Get a specific replication controller require specify a namespace name"); |
| throw new IllegalArgumentException("Get a specific replication controller require specify a namespace name"); |
| } |
| rc = getEndpoint().getKubernetesClient().replicationControllers().inNamespace(namespaceName).withName(rcName).get(); |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(rc); |
| } |
| |
| protected void doCreateReplicationController(Exchange exchange, String operation) throws Exception { |
| ReplicationController rc = null; |
| String rcName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_NAME, String.class); |
| String namespaceName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| ReplicationControllerSpec rcSpec = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_SPEC, ReplicationControllerSpec.class); |
| if (ObjectHelper.isEmpty(rcName)) { |
| LOG.error("Create a specific replication controller require specify a replication controller name"); |
| throw new IllegalArgumentException("Create a specific replication controller require specify a replication controller name"); |
| } |
| if (ObjectHelper.isEmpty(namespaceName)) { |
| LOG.error("Create a specific replication controller require specify a namespace name"); |
| throw new IllegalArgumentException("Create a specific replication controller require specify a namespace name"); |
| } |
| if (ObjectHelper.isEmpty(rcSpec)) { |
| LOG.error("Create a specific replication controller require specify a replication controller spec bean"); |
| throw new IllegalArgumentException("Create a specific replication controller require specify a replication controller spec bean"); |
| } |
| Map<String, String> labels = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLERS_LABELS, Map.class); |
| ReplicationController rcCreating = new ReplicationControllerBuilder().withNewMetadata().withName(rcName).withLabels(labels).endMetadata().withSpec(rcSpec).build(); |
| rc = getEndpoint().getKubernetesClient().replicationControllers().inNamespace(namespaceName).create(rcCreating); |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(rc); |
| } |
| |
| protected void doDeleteReplicationController(Exchange exchange, String operation) throws Exception { |
| String rcName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_NAME, String.class); |
| String namespaceName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| if (ObjectHelper.isEmpty(rcName)) { |
| LOG.error("Delete a specific replication controller require specify a replication controller name"); |
| throw new IllegalArgumentException("Delete a specific replication controller require specify a replication controller name"); |
| } |
| if (ObjectHelper.isEmpty(namespaceName)) { |
| LOG.error("Delete a specific replication controller require specify a namespace name"); |
| throw new IllegalArgumentException("Delete a specific replication controller require specify a namespace name"); |
| } |
| boolean rcDeleted = getEndpoint().getKubernetesClient().replicationControllers().inNamespace(namespaceName).withName(rcName).delete(); |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(rcDeleted); |
| } |
| |
| protected void doScaleReplicationController(Exchange exchange, String operation) throws Exception { |
| String rcName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_NAME, String.class); |
| String namespaceName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class); |
| Integer replicasNumber = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_REPLICATION_CONTROLLER_REPLICAS, Integer.class); |
| if (ObjectHelper.isEmpty(rcName)) { |
| LOG.error("Scale a specific replication controller require specify a replication controller name"); |
| throw new IllegalArgumentException("Scale a specific replication controller require specify a replication controller name"); |
| } |
| if (ObjectHelper.isEmpty(namespaceName)) { |
| LOG.error("Scale a specific replication controller require specify a namespace name"); |
| throw new IllegalArgumentException("Scale a specific replication controller require specify a namespace name"); |
| } |
| if (ObjectHelper.isEmpty(replicasNumber)) { |
| LOG.error("Scale a specific replication controller require specify a replicas number"); |
| throw new IllegalArgumentException("Scale a specific replication controller require specify a replicas number"); |
| } |
| ReplicationController rcScaled = getEndpoint().getKubernetesClient().replicationControllers().inNamespace(namespaceName).withName(rcName).scale(replicasNumber, false); |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(rcScaled.getStatus().getReplicas()); |
| } |
| } |