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io.hyscale.deployer.services.handler.impl.V1ConfigMapHandler 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.model.ResourceStatus;
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 io.hyscale.deployer.services.util.K8sResourcePatchUtil;
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.AnnotationKey;
import io.hyscale.commons.models.Status;
import io.hyscale.commons.utils.GsonProviderUtil;
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.V1ConfigMap;
import io.kubernetes.client.openapi.models.V1ConfigMapList;
import io.kubernetes.client.openapi.models.V1DeleteOptions;
import io.kubernetes.client.custom.V1Patch;
public class V1ConfigMapHandler implements ResourceLifeCycleHandler {
private static final Logger LOGGER = LoggerFactory.getLogger(V1ConfigMapHandler.class);
@Override
public V1ConfigMap create(ApiClient apiClient, V1ConfigMap resource, String namespace) throws HyscaleException {
if (resource == null) {
LOGGER.debug("Cannot create null ConfigMap");
return resource;
}
WorkflowLogger.startActivity(DeployerActivity.DEPLOYING_CONFIGMAP);
CoreV1Api coreV1Api = new CoreV1Api(apiClient);
String name = resource.getMetadata().getName();
V1ConfigMap configMap = null;
try {
resource.getMetadata().putAnnotationsItem(
AnnotationKey.K8S_HYSCALE_LAST_APPLIED_CONFIGURATION.getAnnotation(), GsonProviderUtil.getPrettyGsonBuilder().toJson(resource));
configMap = coreV1Api.createNamespacedConfigMap(namespace, resource, DeployerConstants.TRUE, null, null);
} catch (ApiException e) {
HyscaleException ex = new HyscaleException(e, DeployerErrorCodes.FAILED_TO_CREATE_RESOURCE,
ExceptionHelper.getExceptionMessage(getKind(), e, ResourceOperation.CREATE));
LOGGER.error("Error while creating ConfigMap {} in namespace {}, error {}", name, namespace, ex.toString());
WorkflowLogger.endActivity(Status.FAILED);
throw ex;
}
LOGGER.info("Created ConfigMap {} in namespace {}", name, namespace);
WorkflowLogger.endActivity(Status.DONE);
return configMap;
}
/**
* Fetch from cluster, populate required field in resource call update
*/
@Override
public boolean update(ApiClient apiClient, V1ConfigMap resource, String namespace) throws HyscaleException {
if(resource==null){
LOGGER.debug("Cannot update null ConfigMap");
return false;
}
CoreV1Api coreV1Api = new CoreV1Api(apiClient);
String name = resource.getMetadata().getName();
V1ConfigMap existingConfigMap = null;
try {
existingConfigMap = get(apiClient, name, namespace);
} catch (HyscaleException ex) {
LOGGER.debug("Error while getting ConfigMap {} in namespace {} for Update, creating new", name, namespace);
V1ConfigMap configMap = create(apiClient, resource, namespace);
return configMap != null;
}
WorkflowLogger.startActivity(DeployerActivity.DEPLOYING_CONFIGMAP);
try {
String resourceVersion = existingConfigMap.getMetadata().getResourceVersion();
resource.getMetadata().setResourceVersion(resourceVersion);
coreV1Api.replaceNamespacedConfigMap(name, namespace, resource, DeployerConstants.TRUE, null, null);
} catch (ApiException e) {
HyscaleException ex = new HyscaleException(e, DeployerErrorCodes.FAILED_TO_UPDATE_RESOURCE,
ExceptionHelper.getExceptionMessage(getKind(), e, ResourceOperation.UPDATE));
LOGGER.error("Error while updating ConfigMap {} in namespace {}, error {}", name, namespace, ex.toString());
WorkflowLogger.endActivity(Status.FAILED);
throw ex;
}
LOGGER.info("Updated ConfigMap {} in namespace {}", name, namespace);
WorkflowLogger.endActivity(Status.DONE);
return true;
}
@Override
public V1ConfigMap get(ApiClient apiClient, String name, String namespace) throws HyscaleException {
CoreV1Api coreV1Api = new CoreV1Api(apiClient);
V1ConfigMap configMap = null;
try {
configMap = coreV1Api.readNamespacedConfigMap(name, namespace, DeployerConstants.TRUE, null, null);
} catch (ApiException e) {
HyscaleException ex = ExceptionHelper.buildGetException(getKind(), e, ResourceOperation.GET);
LOGGER.error("Error while fetching ConfigMap {} in namespace {}, error {}", name, namespace, ex.toString());
throw ex;
}
return configMap;
}
@Override
public List getBySelector(ApiClient apiClient, String selector, boolean label, String namespace)
throws HyscaleException {
CoreV1Api coreV1Api = new CoreV1Api(apiClient);
List configMaps = null;
try {
String labelSelector = label ? selector : null;
String fieldSelector = label ? null : selector;
V1ConfigMapList configMapList = coreV1Api.listNamespacedConfigMap(namespace, DeployerConstants.TRUE, null, null,
fieldSelector, labelSelector, null, null, null, null);
configMaps = configMapList != null ? configMapList.getItems() : null;
} catch (ApiException e) {
HyscaleException ex = ExceptionHelper.buildGetException(getKind(), e, ResourceOperation.GET_BY_SELECTOR);
LOGGER.error("Error while listing ConfigMaps in namespace {}, with selectors {}, error {} ", namespace,
selector, ex.toString());
throw ex;
}
return configMaps;
}
/**
* Fetch existing resource, create diff, call patch api with diff
*/
@Override
public boolean patch(ApiClient apiClient, String name, String namespace, V1ConfigMap target)
throws HyscaleException {
if (target == null) {
LOGGER.debug("Cannot patch null configmap");
return false;
}
CoreV1Api coreV1Api = new CoreV1Api(apiClient);
target.getMetadata().putAnnotationsItem(AnnotationKey.K8S_HYSCALE_LAST_APPLIED_CONFIGURATION.getAnnotation(),
GsonProviderUtil.getPrettyGsonBuilder().toJson(target));
V1ConfigMap sourceConfigMap = null;
try {
sourceConfigMap = get(apiClient, name, namespace);
} catch (HyscaleException e) {
LOGGER.debug("Error while getting ConfigMap {} in namespace {} for Patch, creating new", name, namespace);
V1ConfigMap configMap = create(apiClient, target, namespace);
return configMap != null;
}
WorkflowLogger.startActivity(DeployerActivity.DEPLOYING_CONFIGMAP);
String lastAppliedConfig = sourceConfigMap.getMetadata().getAnnotations()
.get(AnnotationKey.K8S_HYSCALE_LAST_APPLIED_CONFIGURATION.getAnnotation());
Object patchObject = null;
try {
patchObject = K8sResourcePatchUtil.getJsonPatch(GsonProviderUtil.getPrettyGsonBuilder().fromJson(lastAppliedConfig, V1ConfigMap.class), target,
V1ConfigMap.class);
V1Patch v1Patch = new V1Patch(patchObject.toString());
coreV1Api.patchNamespacedConfigMap(name, namespace, v1Patch, DeployerConstants.TRUE, null, null, null);
} catch (HyscaleException e) {
LOGGER.error("Error while creating patch for ConfigMap {}, source {}, target {}", name, sourceConfigMap,
target);
WorkflowLogger.endActivity(Status.FAILED);
throw e;
} catch (ApiException e) {
HyscaleException ex = new HyscaleException(e, DeployerErrorCodes.FAILED_TO_PATCH_RESOURCE,
ExceptionHelper.getExceptionMessage(getKind(), e, ResourceOperation.PATCH));
LOGGER.error("Error while patching ConfigMap {} in namespace {} , error {}", name, namespace,
ex.toString());
WorkflowLogger.endActivity(Status.FAILED);
throw ex;
}
WorkflowLogger.endActivity(Status.DONE);
return true;
}
@Override
public boolean delete(ApiClient apiClient, String name, String namespace, boolean wait) throws HyscaleException {
ActivityContext activityContext = new ActivityContext(DeployerActivity.DELETING_CONFIG_MAP);
WorkflowLogger.startActivity(activityContext);
try {
delete(apiClient, name, namespace);
List configmapList = Lists.newArrayList();
configmapList.add(name);
if (wait) {
waitForResourceDeletion(apiClient, configmapList, 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 ConfigMap {} in namespace {}, error {}", name, namespace, ex.toString());
WorkflowLogger.endActivity(activityContext, Status.FAILED);
throw ex;
}
LOGGER.info("Deleted ConfigMap {} in namespace {}", name, namespace);
WorkflowLogger.endActivity(activityContext, Status.DONE);
return true;
}
private void delete(ApiClient apiClient, String name, String namespace) throws ApiException {
CoreV1Api coreV1Api = new CoreV1Api(apiClient);
V1DeleteOptions deleteOptions = getDeleteOptions();
try {
coreV1Api.deleteNamespacedConfigMap(name, namespace, DeployerConstants.TRUE, null, null, null, null,
deleteOptions);
} catch (JsonSyntaxException e) {
// K8s end exception ignore
}
}
@Override
public boolean deleteBySelector(ApiClient apiClient, String selector, boolean label, String namespace, boolean wait)
throws HyscaleException {
try {
List configMapsList = getBySelector(apiClient, selector, label, namespace);
if (configMapsList == null || configMapsList.isEmpty()) {
return false;
}
for (V1ConfigMap configMap : configMapsList) {
delete(apiClient, configMap.getMetadata().getName(), namespace, wait);
}
} catch (HyscaleException e) {
if (DeployerErrorCodes.RESOURCE_NOT_FOUND.equals(e.getHyscaleError())) {
LOGGER.error("Error while deleting ConfigMap for selector {} in namespace {}, error {}", selector,
namespace, e.toString());
return false;
}
throw e;
}
return true;
}
@Override
public String getKind() {
return ResourceKind.CONFIG_MAP.getKind();
}
@Override
public boolean cleanUp() {
return true;
}
@Override
public int getWeight() {
return ResourceKind.CONFIG_MAP.getWeight();
}
@Override
public ResourceStatus status(V1ConfigMap v1ConfigMap){
return ResourceStatus.STABLE;
}
}
