| /* |
| * 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.nodes; |
| |
| import java.util.Map; |
| |
| import io.fabric8.kubernetes.api.model.DoneableNode; |
| import io.fabric8.kubernetes.api.model.Node; |
| import io.fabric8.kubernetes.api.model.NodeBuilder; |
| import io.fabric8.kubernetes.api.model.NodeList; |
| import io.fabric8.kubernetes.api.model.NodeSpec; |
| import io.fabric8.kubernetes.client.dsl.NonNamespaceOperation; |
| import io.fabric8.kubernetes.client.dsl.Resource; |
| 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; |
| |
| public class KubernetesNodesProducer extends DefaultProducer { |
| |
| public KubernetesNodesProducer(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_NODES: |
| doList(exchange, operation); |
| break; |
| |
| case KubernetesOperations.LIST_NODES_BY_LABELS_OPERATION: |
| doListNodesByLabels(exchange, operation); |
| break; |
| |
| case KubernetesOperations.GET_NODE_OPERATION: |
| doGetNode(exchange, operation); |
| break; |
| |
| case KubernetesOperations.CREATE_NODE_OPERATION: |
| doCreateNode(exchange, operation); |
| break; |
| |
| case KubernetesOperations.DELETE_NODE_OPERATION: |
| doDeleteNode(exchange, operation); |
| break; |
| |
| default: |
| throw new IllegalArgumentException("Unsupported operation " + operation); |
| } |
| } |
| |
| protected void doList(Exchange exchange, String operation) throws Exception { |
| NodeList nodeList = getEndpoint().getKubernetesClient().nodes().list(); |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(nodeList.getItems()); |
| } |
| |
| protected void doListNodesByLabels(Exchange exchange, String operation) throws Exception { |
| NodeList nodeList = null; |
| Map<String, String> labels = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NODES_LABELS, Map.class); |
| NonNamespaceOperation<Node, NodeList, DoneableNode, Resource<Node, DoneableNode>> nodes = getEndpoint().getKubernetesClient().nodes(); |
| for (Map.Entry<String, String> entry : labels.entrySet()) { |
| nodes.withLabel(entry.getKey(), entry.getValue()); |
| } |
| nodeList = nodes.list(); |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(nodeList.getItems()); |
| } |
| |
| protected void doGetNode(Exchange exchange, String operation) throws Exception { |
| Node node = null; |
| String pvName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NODE_NAME, String.class); |
| if (ObjectHelper.isEmpty(pvName)) { |
| log.error("Get a specific Node require specify a Node name"); |
| throw new IllegalArgumentException("Get a specific Node require specify a Node name"); |
| } |
| node = getEndpoint().getKubernetesClient().nodes().withName(pvName).get(); |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(node); |
| } |
| |
| protected void doCreateNode(Exchange exchange, String operation) throws Exception { |
| Node node = null; |
| String nodeName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NODE_NAME, String.class); |
| NodeSpec nodeSpec = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NODE_SPEC, NodeSpec.class); |
| if (ObjectHelper.isEmpty(nodeName)) { |
| log.error("Create a specific node require specify a node name"); |
| throw new IllegalArgumentException("Create a specific node require specify a node name"); |
| } |
| if (ObjectHelper.isEmpty(nodeSpec)) { |
| log.error("Create a specific node require specify a node spec bean"); |
| throw new IllegalArgumentException("Create a specific node require specify a node spec bean"); |
| } |
| Map<String, String> labels = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_PODS_LABELS, Map.class); |
| Node nodeCreating = new NodeBuilder().withNewMetadata().withName(nodeName).withLabels(labels).endMetadata().withSpec(nodeSpec).build(); |
| node = getEndpoint().getKubernetesClient().nodes().create(nodeCreating); |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(node); |
| } |
| |
| protected void doDeleteNode(Exchange exchange, String operation) throws Exception { |
| String nodeName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NODE_NAME, String.class); |
| if (ObjectHelper.isEmpty(nodeName)) { |
| log.error("Deleting a specific Node require specify a Node name"); |
| throw new IllegalArgumentException("Deleting a specific Node require specify a Node name"); |
| } |
| boolean nodeDeleted = getEndpoint().getKubernetesClient().nodes().withName(nodeName).delete(); |
| |
| MessageHelper.copyHeaders(exchange.getIn(), exchange.getOut(), true); |
| exchange.getOut().setBody(nodeDeleted); |
| } |
| } |