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/*
* 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.openshift.deploymentconfigs;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import io.fabric8.kubernetes.api.model.StatusDetails;
import io.fabric8.kubernetes.client.dsl.Resource;
import io.fabric8.openshift.api.model.DeploymentConfig;
import io.fabric8.openshift.api.model.DeploymentConfigBuilder;
import io.fabric8.openshift.api.model.DeploymentConfigList;
import io.fabric8.openshift.api.model.DeploymentConfigSpec;
import io.fabric8.openshift.client.OpenShiftClient;
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.KubernetesHelper;
import org.apache.camel.component.kubernetes.KubernetesOperations;
import org.apache.camel.support.DefaultProducer;
import org.apache.camel.util.ObjectHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static org.apache.camel.component.kubernetes.KubernetesHelper.prepareOutboundMessage;
public class OpenshiftDeploymentConfigsProducer extends DefaultProducer {
private static final Logger LOG = LoggerFactory.getLogger(OpenshiftDeploymentConfigsProducer.class);
public OpenshiftDeploymentConfigsProducer(AbstractKubernetesEndpoint endpoint) {
super(endpoint);
}
@Override
public AbstractKubernetesEndpoint getEndpoint() {
return (AbstractKubernetesEndpoint) super.getEndpoint();
}
@Override
public void process(Exchange exchange) throws Exception {
String operation = KubernetesHelper.extractOperation(getEndpoint(), exchange);
switch (operation) {
case KubernetesOperations.LIST_DEPLOYMENT_CONFIGS:
doList(exchange);
break;
case KubernetesOperations.LIST_DEPLOYMENT_CONFIGS_BY_LABELS_OPERATION:
doListDeploymentConfigsByLabels(exchange);
break;
case KubernetesOperations.GET_DEPLOYMENT_CONFIG:
doGetDeploymentConfig(exchange);
break;
case KubernetesOperations.DELETE_DEPLOYMENT_CONFIG:
doDeleteDeploymentConfig(exchange);
break;
case KubernetesOperations.CREATE_DEPLOYMENT_CONFIG:
doCreateDeployment(exchange);
break;
case KubernetesOperations.REPLACE_DEPLOYMENT_CONFIG:
doReplaceDeployment(exchange);
break;
case KubernetesOperations.SCALE_DEPLOYMENT_CONFIG:
doScaleDeploymentConfig(exchange);
break;
default:
throw new IllegalArgumentException("Unsupported operation " + operation);
}
}
protected void doList(Exchange exchange) {
DeploymentConfigList deploymentConfigList
= getEndpoint().getKubernetesClient().adapt(OpenShiftClient.class).deploymentConfigs().list();
prepareOutboundMessage(exchange, deploymentConfigList.getItems());
}
protected void doListDeploymentConfigsByLabels(Exchange exchange) {
Map labels
= exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_DEPLOYMENTS_LABELS, Map.class);
DeploymentConfigList deploymentConfigList
= getEndpoint().getKubernetesClient().adapt(OpenShiftClient.class).deploymentConfigs()
.withLabels(labels).list();
prepareOutboundMessage(exchange, deploymentConfigList.getItems());
}
protected void doGetDeploymentConfig(Exchange exchange) {
String deploymentConfigName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_DEPLOYMENT_NAME, String.class);
if (ObjectHelper.isEmpty(deploymentConfigName)) {
LOG.error("Get a specific Deployment Config require specify a Deployment name");
throw new IllegalArgumentException("Get a specific Deployment Config require specify a Deployment Config name");
}
DeploymentConfig deploymentConfig = getEndpoint().getKubernetesClient().adapt(OpenShiftClient.class).deploymentConfigs()
.withName(deploymentConfigName).get();
prepareOutboundMessage(exchange, deploymentConfig);
}
protected void doDeleteDeploymentConfig(Exchange exchange) {
String deploymentName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_DEPLOYMENT_NAME, String.class);
String namespaceName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class);
if (ObjectHelper.isEmpty(deploymentName)) {
LOG.error("Delete a specific deployment config require specify a deployment name");
throw new IllegalArgumentException("Delete a specific deployment require specify a deployment config name");
}
if (ObjectHelper.isEmpty(namespaceName)) {
LOG.error("Delete a specific deployment config require specify a namespace name");
throw new IllegalArgumentException("Delete a specific deployment config require specify a namespace name");
}
List statusDetails = getEndpoint().getKubernetesClient().adapt(OpenShiftClient.class).deploymentConfigs()
.inNamespace(namespaceName)
.withName(deploymentName).delete();
boolean deploymentConfigDeleted = ObjectHelper.isNotEmpty(statusDetails);
prepareOutboundMessage(exchange, deploymentConfigDeleted);
}
protected void doReplaceDeployment(Exchange exchange) {
doCreateOrUpdateDeployment(exchange, "Replace", Resource::replace);
}
protected void doCreateDeployment(Exchange exchange) {
doCreateOrUpdateDeployment(exchange, "Create", Resource::create);
}
private void doCreateOrUpdateDeployment(
Exchange exchange, String operationName, Function, DeploymentConfig> operation) {
String deploymentName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_DEPLOYMENT_NAME, String.class);
String namespaceName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class);
DeploymentConfigSpec dcSpec
= exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_DEPLOYMENT_CONFIG_SPEC, DeploymentConfigSpec.class);
if (ObjectHelper.isEmpty(deploymentName)) {
LOG.error("{} a specific Deployment Config require specify a Deployment name", operationName);
throw new IllegalArgumentException(
String.format("%s a specific Deployment Config require specify a pod name", operationName));
}
if (ObjectHelper.isEmpty(namespaceName)) {
LOG.error("{} a specific Deployment Config require specify a namespace name", operationName);
throw new IllegalArgumentException(
String.format("%s a specific Deployment Config require specify a namespace name", operationName));
}
if (ObjectHelper.isEmpty(dcSpec)) {
LOG.error("{} a specific Deployment Config require specify a Deployment Config spec bean", operationName);
throw new IllegalArgumentException(
String.format("%s a specific Deployment Config require specify a Deployment Config spec bean",
operationName));
}
Map labels = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_DEPLOYMENTS_LABELS, Map.class);
DeploymentConfig deploymentCreating = new DeploymentConfigBuilder().withNewMetadata().withName(deploymentName)
.withLabels(labels).endMetadata().withSpec(dcSpec).build();
DeploymentConfig deploymentConfig
= operation.apply(getEndpoint().getKubernetesClient().adapt(OpenShiftClient.class).deploymentConfigs()
.inNamespace(namespaceName)
.resource(deploymentCreating));
prepareOutboundMessage(exchange, deploymentConfig);
}
protected void doScaleDeploymentConfig(Exchange exchange) {
String deploymentName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_DEPLOYMENT_NAME, String.class);
String namespaceName = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_NAMESPACE_NAME, String.class);
Integer replicasNumber = exchange.getIn().getHeader(KubernetesConstants.KUBERNETES_DEPLOYMENT_REPLICAS, Integer.class);
if (ObjectHelper.isEmpty(deploymentName)) {
LOG.error("Scale a specific deployment config require specify a deployment config name");
throw new IllegalArgumentException("Scale a specific deployment config require specify a deployment config name");
}
if (ObjectHelper.isEmpty(namespaceName)) {
LOG.error("Scale a specific deployment config require specify a namespace name");
throw new IllegalArgumentException("Scale a specific deployment config require specify a namespace name");
}
if (ObjectHelper.isEmpty(replicasNumber)) {
LOG.error("Scale a specific deployment config require specify a replicas number");
throw new IllegalArgumentException("Scale a specific deployment config require specify a replicas number");
}
DeploymentConfig deploymentConfigScaled
= getEndpoint().getKubernetesClient().adapt(OpenShiftClient.class).deploymentConfigs()
.inNamespace(namespaceName)
.withName(deploymentName).scale(replicasNumber, false);
prepareOutboundMessage(exchange, deploymentConfigScaled.getStatus().getReplicas());
}
}
