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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2023 Nordix Foundation.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.so.cnfm.lcm.bpmn.flows.tasks;
import static org.onap.so.cnfm.lcm.bpmn.flows.CamundaVariableNameConstants.AS_DEPLOYMENT_ITEM_INST_ID_PARAM_NAME;
import static org.onap.so.cnfm.lcm.bpmn.flows.CamundaVariableNameConstants.KUBE_CONFIG_FILE_PATH_PARAM_NAME;
import static org.onap.so.cnfm.lcm.bpmn.flows.CamundaVariableNameConstants.KUBE_KINDS_PARAM_NAME;
import static org.onap.so.cnfm.lcm.bpmn.flows.CamundaVariableNameConstants.KUBE_KINDS_RESULT_PARAM_NAME;
import static org.onap.so.cnfm.lcm.bpmn.flows.CamundaVariableNameConstants.NAMESPACE_PARAM_NAME;
import static org.onap.so.cnfm.lcm.bpmn.flows.CamundaVariableNameConstants.RELEASE_NAME_PARAM_NAME;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.camunda.bpm.engine.delegate.DelegateExecution;
import org.onap.so.cnfm.lcm.bpmn.flows.extclients.aai.AaiServiceProvider;
import org.onap.so.cnfm.lcm.bpmn.flows.extclients.helm.HelmClient;
import org.onap.so.cnfm.lcm.bpmn.flows.extclients.kubernetes.KubernetesClientProvider;
import org.onap.so.cnfm.lcm.bpmn.flows.extclients.kubernetes.KubernetesResource;
import org.onap.so.cnfm.lcm.database.beans.AsInst;
import org.onap.so.cnfm.lcm.database.beans.JobStatusEnum;
import org.onap.so.cnfm.lcm.database.beans.State;
import org.onap.so.cnfm.lcm.database.service.DatabaseServiceProvider;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
/**
*
* @author Raviteja karumuri (raviteja.karumuri@est.tech)
*
*/
@Component
public class TerminateDeploymentItemTask extends AbstractServiceTask {
private static final Logger logger = LoggerFactory.getLogger(TerminateDeploymentItemTask.class);
private static final String IS_DELETED_PARAM_NAME = "isDeleted";
private static final String TERMINATE_REQUEST_PARAM_NAME = "request";
private final AaiServiceProvider aaiServiceProvider;
private final HelmClient helmClient;
private final KubernetesClientProvider kubernetesClientProvider;
@Autowired
protected TerminateDeploymentItemTask(final DatabaseServiceProvider databaseServiceProvider,
final AaiServiceProvider aaiServiceProvider, final HelmClient helmClient,
final KubernetesClientProvider kubernetesClientProvider) {
super(databaseServiceProvider);
this.aaiServiceProvider = aaiServiceProvider;
this.helmClient = helmClient;
this.kubernetesClientProvider = kubernetesClientProvider;
}
public void checkIfDeploymentItemExistsInDb(final DelegateExecution execution) {
logger.info("Executing checkIfDeploymentItemExistsInDb");
final TerminateDeploymentItemRequest request =
(TerminateDeploymentItemRequest) execution.getVariable(TERMINATE_REQUEST_PARAM_NAME);
logger.info("Terminate request: {}", request);
final String asDeploymentItemInstId = request.getAsDeploymentItemInstId();
addJobStatus(execution, JobStatusEnum.IN_PROGRESS,
"Checking if Deployment item record exists in database for asDeploymentItemInstId: "
+ asDeploymentItemInstId);
if (!databaseServiceProvider.isAsDeploymentItemExists(request.getAsDeploymentItemInstId())) {
abortOperation(execution, "Deployment Item does not exists in database for asDeploymentItemInstId: "
+ asDeploymentItemInstId);
}
execution.setVariable(AS_DEPLOYMENT_ITEM_INST_ID_PARAM_NAME, request.getAsDeploymentItemInstId());
execution.setVariable(KUBE_CONFIG_FILE_PATH_PARAM_NAME, request.getKubeConfigFile());
logger.info("Finished executing checkIfDeploymentItemExistsInDb ...");
}
public void unInstantiateHelmChart(final DelegateExecution execution) {
logger.info("Executing unInstantiateHelmChart");
final TerminateDeploymentItemRequest request =
(TerminateDeploymentItemRequest) execution.getVariable(TERMINATE_REQUEST_PARAM_NAME);
final String releaseName = request.getReleaseName();
final String namespace = request.getNamespace();
try {
final Path kubeConfigFilePath = Paths.get(request.getKubeConfigFile());
helmClient.unInstallHelmChart(namespace, releaseName, kubeConfigFilePath);
} catch (final Exception exception) {
final String message = "Failed to uninstall helm chart: " + " using kube-config file: "
+ request.getKubeConfigFile() + "for reason: " + exception.getMessage();
logger.error(message, exception);
abortOperation(execution, message);
}
logger.info("Finished executing unInstantiateHelmChart ...");
}
public void updateDeploymentItemStatusToNotInstantiated(final DelegateExecution execution) {
logger.info("Executing updateDeploymentItemStatusToNotInstantiated");
final TerminateDeploymentItemRequest request =
(TerminateDeploymentItemRequest) execution.getVariable(TERMINATE_REQUEST_PARAM_NAME);
updateDeploymentItemStatus(execution, request.getAsDeploymentItemInstId(), State.NOT_INSTANTIATED);
addJobStatus(execution, JobStatusEnum.FINISHED, "Successfully Terminated Deployment Item with "
+ "releaseName: " + request.getReleaseName() + " and will set status to " + State.NOT_INSTANTIATED);
logger.info("Finished executing updateDeploymentItemStatusToNotInstantiated ...");
}
public void getKubeKindsUsingManifestCommand(final DelegateExecution execution) {
logger.info("Executing getKubeKindsFromReleaseHistory");
final TerminateDeploymentItemRequest request =
(TerminateDeploymentItemRequest) execution.getVariable(TERMINATE_REQUEST_PARAM_NAME);
final String releaseName = request.getReleaseName();
final String namespace = request.getNamespace();
final Path kubeConfigFilePath = Paths.get(request.getKubeConfigFile());
final Map<String, Boolean> kubeKindsMap = new HashMap<>();
final List<String> kinds =
helmClient.getKubeKindsUsingManifestCommand(namespace, releaseName, kubeConfigFilePath);
if (kinds.isEmpty()) {
abortOperation(execution,
"Unable to retrieve kinds from helm release history for releaseName: " + releaseName);
}
kinds.forEach(kind -> kubeKindsMap.put(kind, false));
execution.setVariable(RELEASE_NAME_PARAM_NAME, releaseName);
execution.setVariable(NAMESPACE_PARAM_NAME, namespace);
execution.setVariable(KUBE_KINDS_RESULT_PARAM_NAME, kubeKindsMap);
execution.setVariable(KUBE_KINDS_PARAM_NAME, kinds);
}
public void checkIfHelmUnInstallWasSuccessful(final DelegateExecution execution) {
logger.info("Executing checkIfHelmUnInstallWasSuccessful");
@SuppressWarnings("unchecked")
final Map<String, Boolean> kubeKindResult =
(Map<String, Boolean>) execution.getVariable(KUBE_KINDS_RESULT_PARAM_NAME);
execution.setVariable(IS_DELETED_PARAM_NAME, true);
kubeKindResult.forEach((key, value) -> {
logger.info("Checking if resource type {} was deleted Status: {}", key, value);
if (Boolean.FALSE.equals(value)) {
logger.error("resource type {} failed to delete", key);
execution.setVariable(IS_DELETED_PARAM_NAME, false);
}
});
final String kubeConfigFile = (String) execution.getVariable(KUBE_CONFIG_FILE_PATH_PARAM_NAME);
kubernetesClientProvider.closeApiClient(kubeConfigFile);
logger.info("Finished executing checkIfHelmUnInstallWasSuccessful ...");
}
public void deleteK8ResourcesinAAI(final DelegateExecution execution) {
logger.info("Executing deleteK8ResourcesinAai");
final TerminateDeploymentItemRequest request =
(TerminateDeploymentItemRequest) execution.getVariable(TERMINATE_REQUEST_PARAM_NAME);
final List<KubernetesResource> resources =
aaiServiceProvider.getK8sResources(request.getAsInstId(), request.getAsDeploymentItemInstId());
final AsInst asInst = getAsInst(execution);
resources.forEach(resource -> aaiServiceProvider.deleteK8SResource(resource.getId(), asInst.getCloudOwner(),
asInst.getCloudRegion(), asInst.getTenantId()));
}
public void deleteVFModuleinAai(final DelegateExecution execution) {
logger.info("Executing deleteVFModuleinAai");
final TerminateDeploymentItemRequest request =
(TerminateDeploymentItemRequest) execution.getVariable(TERMINATE_REQUEST_PARAM_NAME);
aaiServiceProvider.deleteVfModule(request.getAsInstId(), request.getAsDeploymentItemInstId());
logger.info("Delete VfModule in AAi is Done");
}
}
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