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io.hyscale.deployer.services.handler.impl.NamespaceHandler Maven / Gradle / Ivy
/**
* Copyright 2019 Pramati Prism, Inc.
*
* Licensed 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 io.hyscale.deployer.services.handler.impl;
import java.util.List;
import io.hyscale.deployer.services.model.DeployerActivity;
import io.hyscale.deployer.services.constants.DeployerConstants;
import io.hyscale.deployer.services.exception.DeployerErrorCodes;
import io.hyscale.deployer.services.handler.ResourceLifeCycleHandler;
import io.hyscale.deployer.services.util.ExceptionHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.Lists;
import com.google.gson.JsonSyntaxException;
import io.hyscale.commons.exception.HyscaleException;
import io.hyscale.commons.logger.ActivityContext;
import io.hyscale.commons.logger.WorkflowLogger;
import io.hyscale.commons.models.Status;
import io.hyscale.deployer.core.model.ResourceKind;
import io.hyscale.deployer.core.model.ResourceOperation;
import io.kubernetes.client.openapi.ApiClient;
import io.kubernetes.client.openapi.ApiException;
import io.kubernetes.client.openapi.apis.CoreV1Api;
import io.kubernetes.client.openapi.models.V1DeleteOptions;
import io.kubernetes.client.openapi.models.V1Namespace;
/**
* V1Namespace resource operations
*
*/
public class NamespaceHandler implements ResourceLifeCycleHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(NamespaceHandler.class);
@Override
public V1Namespace create(ApiClient apiClient, V1Namespace resource, String namespace) throws HyscaleException {
if (resource == null) {
return resource;
}
CoreV1Api coreV1Api = new CoreV1Api(apiClient);
String name = resource.getMetadata().getName();
V1Namespace createdNamespace = null;
try {
createdNamespace = coreV1Api.createNamespace(resource, DeployerConstants.TRUE, null, null);
} catch (ApiException e) {
if (e.getCode() != 409) {
HyscaleException ex = new HyscaleException(e, DeployerErrorCodes.FAILED_TO_CREATE_RESOURCE,
ExceptionHelper.getExceptionMessage(getKind(), e, ResourceOperation.CREATE));
LOGGER.error("Error while creating namespace {}", name, ex);
throw ex;
}
}
return createdNamespace;
}
@Override
public V1Namespace get(ApiClient apiClient, String name, String namespace) throws HyscaleException {
CoreV1Api coreV1Api = new CoreV1Api(apiClient);
V1Namespace v1Namespace = null;
try {
v1Namespace = coreV1Api.readNamespace(name, DeployerConstants.TRUE, true, true);
} catch (ApiException e) {
HyscaleException ex = null;
if (e.getCode() != 404) {
ex = new HyscaleException(e, DeployerErrorCodes.FAILED_TO_GET_RESOURCE,
ExceptionHelper.getExceptionMessage(getKind(), e, ResourceOperation.GET));
} else {
ex = new HyscaleException(e, DeployerErrorCodes.RESOURCE_NOT_FOUND,
ExceptionHelper.getExceptionMessage(getKind(), e, ResourceOperation.GET));
}
LOGGER.error("Error while fetching namespace {}, error {}", name, ex.toString());
throw ex;
}
return v1Namespace;
}
@Override
public boolean delete(ApiClient apiClient, String name, String namespace, boolean wait) throws HyscaleException {
ActivityContext activityContext = new ActivityContext(DeployerActivity.DELETING_NAMESPACE);
try {
WorkflowLogger.startActivity(activityContext);
delete(apiClient, namespace);
List namespaceList = Lists.newArrayList();
namespaceList.add(name);
if (wait) {
waitForResourceDeletion(apiClient, namespaceList, namespace, activityContext);
}
} catch (ApiException e) {
if (e.getCode() == 404) {
WorkflowLogger.endActivity(activityContext, Status.NOT_FOUND);
return false;
}
HyscaleException ex = new HyscaleException(e, DeployerErrorCodes.FAILED_TO_DELETE_RESOURCE,
ExceptionHelper.getExceptionMessage(getKind(), e, ResourceOperation.DELETE));
LOGGER.error("Error while deleting namespace {}, error {}", name, ex.toString());
WorkflowLogger.endActivity(activityContext, Status.FAILED);
throw ex;
}
WorkflowLogger.endActivity(activityContext, Status.DONE);
return true;
}
private void delete(ApiClient apiClient, String name) throws ApiException {
CoreV1Api coreV1Api = new CoreV1Api(apiClient);
V1DeleteOptions deleteOptions = getDeleteOptions();
try {
coreV1Api.deleteNamespace(name, DeployerConstants.TRUE, null, null, null, null, deleteOptions);
} catch (JsonSyntaxException e) {
// K8s end exception ignore
}
}
@Override
public boolean update(ApiClient apiClient, V1Namespace resource, String namespace) throws HyscaleException {
HyscaleException hyscaleException = new HyscaleException(DeployerErrorCodes.OPERATION_NOT_SUPPORTED,
ResourceOperation.UPDATE.getOperation(), getKind());
LOGGER.error(hyscaleException.getMessage());
throw hyscaleException;
}
@Override
public List getBySelector(ApiClient apiClient, String selector, boolean label, String namespace)
throws HyscaleException {
HyscaleException hyscaleException = new HyscaleException(DeployerErrorCodes.OPERATION_NOT_SUPPORTED,
ResourceOperation.GET_BY_SELECTOR.getOperation(), getKind());
LOGGER.error(hyscaleException.getMessage());
throw hyscaleException;
}
@Override
public boolean patch(ApiClient apiClient, String name, String namespace, V1Namespace target)
throws HyscaleException {
HyscaleException hyscaleException = new HyscaleException(DeployerErrorCodes.OPERATION_NOT_SUPPORTED,
ResourceOperation.PATCH.getOperation(), getKind());
LOGGER.error(hyscaleException.getMessage());
throw hyscaleException;
}
@Override
public boolean deleteBySelector(ApiClient apiClient, String selector, boolean label, String namespace, boolean wait)
throws HyscaleException {
HyscaleException hyscaleException = new HyscaleException(DeployerErrorCodes.OPERATION_NOT_SUPPORTED,
ResourceOperation.DELETE_BY_SELECTOR.getOperation(), getKind());
LOGGER.error(hyscaleException.getMessage());
throw hyscaleException;
}
@Override
public String getKind() {
return ResourceKind.NAMESPACE.getKind();
}
@Override
public boolean cleanUp() {
return false;
}
@Override
public int getWeight() {
return ResourceKind.NAMESPACE.getWeight();
}
}
