Examples with KubernetesClientException io.fabric8.kubernetes.client.KubernetesClientException used on opensource projects

Example 1 with KubernetesClientException

use of io.fabric8.kubernetes.client.KubernetesClientException in project carbon-apimgt by wso2.

the class ServiceDiscovererKubernetes method listServices.

/**
 * {@inheritDoc}
 */
@Override
public List<Endpoint> listServices(String namespace, Map<String, String> criteria) throws ServiceDiscoveryException {
    List<Endpoint> endpointList = new ArrayList<>();
    if (client != null) {
        log.debug("Looking for services, with the specified labels, in namespace {}", namespace);
        try {
            List<Service> serviceList = client.services().inNamespace(namespace).withLabels(criteria).list().getItems();
            addServicesToEndpointList(serviceList, endpointList);
        } catch (KubernetesClientException | MalformedURLException e) {
            String msg = "Error occurred while trying to list services using Kubernetes client";
            throw new ServiceDiscoveryException(msg, e, ExceptionCodes.ERROR_WHILE_TRYING_TO_DISCOVER_SERVICES);
        } catch (NoSuchMethodError e) {
            String msg = "Filtering criteria in the deployment yaml includes unwanted characters";
            throw new ServiceDiscoveryException(msg, e, ExceptionCodes.ERROR_WHILE_TRYING_TO_DISCOVER_SERVICES);
        }
    }
    return endpointList;
}

Example 2 with KubernetesClientException

use of io.fabric8.kubernetes.client.KubernetesClientException in project carbon-apimgt by wso2.

the class ServiceDiscovererKubernetes method listServices.

/**
 * {@inheritDoc}
 */
@Override
public List<Endpoint> listServices() throws ServiceDiscoveryException {
    List<Endpoint> endpointList = new ArrayList<>();
    if (client != null) {
        log.debug("Looking for services in all namespaces");
        try {
            List<Service> serviceList = client.services().inNamespace(null).list().getItems();
            addServicesToEndpointList(serviceList, endpointList);
        } catch (KubernetesClientException | MalformedURLException e) {
            String msg = "Error occurred while trying to list services using Kubernetes client";
            throw new ServiceDiscoveryException(msg, e, ExceptionCodes.ERROR_WHILE_TRYING_TO_DISCOVER_SERVICES);
        }
    }
    return endpointList;
}

Example 3 with KubernetesClientException

use of io.fabric8.kubernetes.client.KubernetesClientException in project carbon-apimgt by wso2.

the class ServiceDiscovererKubernetes method listServices.

/**
 * {@inheritDoc}
 */
@Override
public List<Endpoint> listServices(String namespace) throws ServiceDiscoveryException {
    List<Endpoint> endpointList = new ArrayList<>();
    if (client != null) {
        log.debug("Looking for services in namespace {}", namespace);
        try {
            List<Service> serviceList = client.services().inNamespace(namespace).list().getItems();
            addServicesToEndpointList(serviceList, endpointList);
        } catch (KubernetesClientException | MalformedURLException e) {
            String msg = "Error occurred while trying to list services using Kubernetes client";
            throw new ServiceDiscoveryException(msg, e, ExceptionCodes.ERROR_WHILE_TRYING_TO_DISCOVER_SERVICES);
        }
    }
    return endpointList;
}

Example 4 with KubernetesClientException

use of io.fabric8.kubernetes.client.KubernetesClientException in project carbon-apimgt by wso2.

the class KubernetesGatewayImpl method createDeploymentResource.

/**
 * Create a deployment in cms
 *
 * @param deploymentTemplate Deployment template as a String
 * @param deploymentName     Name of the deployment
 * @throws ContainerBasedGatewayException if failed to create a deployment
 */
private void createDeploymentResource(String deploymentTemplate, String deploymentName) throws ContainerBasedGatewayException {
    HasMetadata resource = getResourcesFromTemplate(deploymentTemplate);
    try {
        if (resource instanceof Deployment) {
            // check whether there are existing service already
            if (client.extensions().deployments().inNamespace(namespace).withName(deploymentName).get() == null) {
                log.debug("Deploying in CMS type: {} and the Deployment resource definition: {} ", cmsType, deploymentTemplate);
                Deployment deployment = (Deployment) resource;
                Deployment result = client.extensions().deployments().inNamespace(namespace).create(deployment);
                log.info("Created Deployment : " + result.getMetadata().getName() + " in Namespace : " + result.getMetadata().getNamespace() + " in " + cmsType);
            } else {
                log.info("There exist a deployment with the same name in " + cmsType + ". Deployment name : " + deploymentName);
            }
        } else {
            throw new ContainerBasedGatewayException("Loaded Resource is not a Deployment in " + cmsType + "! " + resource, ExceptionCodes.LOADED_RESOURCE_DEFINITION_IS_NOT_VALID);
        }
    } catch (KubernetesClientException e) {
        throw new ContainerBasedGatewayException("Error while creating container based gateway deployment in " + cmsType + "!", e, ExceptionCodes.DEDICATED_CONTAINER_GATEWAY_CREATION_FAILED);
    }
}

Example 5 with KubernetesClientException

use of io.fabric8.kubernetes.client.KubernetesClientException in project carbon-apimgt by wso2.

the class KubernetesGatewayImpl method createIngressResource.

/**
 * Create an Ingress resource in cms
 *
 * @param ingressTemplate Ingress template as a String
 * @param ingressName     Name of the ingress
 * @throws ContainerBasedGatewayException if failed to create a service
 */
private void createIngressResource(String ingressTemplate, String ingressName) throws ContainerBasedGatewayException {
    HasMetadata resource = getResourcesFromTemplate(ingressTemplate);
    try {
        if (resource instanceof Ingress) {
            // check whether there are existing service already
            if (client.extensions().ingresses().inNamespace(namespace).withName(ingressName).get() == null) {
                log.debug("Deploying in CMS type: {} and the Ingress resource definition: {} ", cmsType, ingressTemplate);
                Ingress ingress = (Ingress) resource;
                Ingress result = client.extensions().ingresses().inNamespace(namespace).create(ingress);
                log.info("Created Ingress : " + result.getMetadata().getName() + " in Namespace : " + result.getMetadata().getNamespace() + " in " + cmsType);
            } else {
                log.info("There exist an ingress with the same name in " + cmsType + ". Ingress name : " + ingressName);
            }
        } else {
            throw new ContainerBasedGatewayException("Loaded Resource is not a Service in " + cmsType + "! " + resource, ExceptionCodes.LOADED_RESOURCE_DEFINITION_IS_NOT_VALID);
        }
    } catch (KubernetesClientException e) {
        throw new ContainerBasedGatewayException("Error while creating container based gateway ingress in " + cmsType + "!", e, ExceptionCodes.DEDICATED_CONTAINER_GATEWAY_CREATION_FAILED);
    }
}