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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.KIND_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_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 static org.onap.so.cnfm.lcm.bpmn.flows.Constants.KIND_DAEMON_SET;
import static org.onap.so.cnfm.lcm.bpmn.flows.Constants.KIND_DEPLOYMENT;
import static org.onap.so.cnfm.lcm.bpmn.flows.Constants.KIND_JOB;
import static org.onap.so.cnfm.lcm.bpmn.flows.Constants.KIND_POD;
import static org.onap.so.cnfm.lcm.bpmn.flows.Constants.KIND_REPLICA_SET;
import static org.onap.so.cnfm.lcm.bpmn.flows.Constants.KIND_SERVICE;
import static org.onap.so.cnfm.lcm.bpmn.flows.Constants.KIND_STATEFUL_SET;
import java.util.Map;
import org.camunda.bpm.engine.delegate.DelegateExecution;
import org.onap.so.cnfm.lcm.bpmn.flows.exceptions.KubernetesRequestTimeOut;
import org.onap.so.cnfm.lcm.bpmn.flows.extclients.kubernetes.KubernetesClient;
import org.onap.so.cnfm.lcm.bpmn.flows.extclients.kubernetes.KubernetesClientProvider;
import org.onap.so.cnfm.lcm.database.beans.JobStatusEnum;
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;
import io.kubernetes.client.openapi.ApiClient;
/**
* @author Raviteja Karumuri (raviteja.karumuri@est.tech)
*/
@Component
public class MonitorHelmUnInstallStatusTask extends AbstractServiceTask {
private static final Logger logger = LoggerFactory.getLogger(MonitorHelmUnInstallStatusTask.class);
private static final int MAX_RETRIES = 10;
private static final String IS_RESOURCE_DELETED_PARAM_NAME = "isResourceDeleted";
private static final String RETRY_COUNTER_PARAM_NAME = "retryCounter";
private final KubernetesClientProvider kubernetesClientProvider;
private final KubernetesClient kubernetesClient;
@Autowired
protected MonitorHelmUnInstallStatusTask(final DatabaseServiceProvider databaseServiceProvider,
final KubernetesClientProvider kubernetesClientProvider, final KubernetesClient kubernetesClient) {
super(databaseServiceProvider);
this.kubernetesClientProvider = kubernetesClientProvider;
this.kubernetesClient = kubernetesClient;
}
public void updateJobStatus(final DelegateExecution execution) {
logger.info("Executing updateJobStatus ");
final String kind = (String) execution.getVariable(KIND_PARAM_NAME);
final String asDeploymentItemInstId = (String) execution.getVariable(AS_DEPLOYMENT_ITEM_INST_ID_PARAM_NAME);
addJobStatus(execution, JobStatusEnum.IN_PROGRESS, "Checking if resource: " + kind
+ " is terminated for asDeploymentItemInstId: " + asDeploymentItemInstId);
execution.setVariable(RETRY_COUNTER_PARAM_NAME, 0);
logger.info("Finished updateJobStatus ...");
}
public void isResourceDeleted(final DelegateExecution execution) {
logger.info("Executing isResourceDeleted ");
final String kind = (String) execution.getVariable(KIND_PARAM_NAME);
final String namespace = (String) execution.getVariable(NAMESPACE_PARAM_NAME);
final String releaseName = (String) execution.getVariable(RELEASE_NAME_PARAM_NAME);
final String kubeConfigFile = (String) execution.getVariable(KUBE_CONFIG_FILE_PATH_PARAM_NAME);
final String labelSelector = "app.kubernetes.io/instance=" + releaseName;
try {
final ApiClient apiClient = kubernetesClientProvider.getApiClient(kubeConfigFile);
boolean isDeleted = false;
logger.debug("Will check if resource type: {} is Deleted using labelSelector: {}", kind, labelSelector);
switch (kind) {
case KIND_JOB:
isDeleted = kubernetesClient.isJobDeleted(apiClient, namespace, labelSelector);
break;
case KIND_POD:
isDeleted = kubernetesClient.isPodDeleted(apiClient, namespace, labelSelector);
break;
case KIND_SERVICE:
isDeleted = kubernetesClient.isServiceDeleted(apiClient, namespace, labelSelector);
break;
case KIND_DEPLOYMENT:
isDeleted = kubernetesClient.isDeploymentDeleted(apiClient, namespace, labelSelector);
break;
case KIND_REPLICA_SET:
isDeleted = kubernetesClient.isReplicaSetDeleted(apiClient, namespace, labelSelector);
break;
case KIND_DAEMON_SET:
isDeleted = kubernetesClient.isDaemonSetDeleted(apiClient, namespace, labelSelector);
break;
case KIND_STATEFUL_SET:
isDeleted = kubernetesClient.isStatefulSetDeleted(apiClient, namespace, labelSelector);
break;
default:
logger.warn("Unknown resource type {} setting {} flag to true", kind,
IS_RESOURCE_DELETED_PARAM_NAME);
isDeleted = true;
break;
}
logger.debug("Resource '{}' isDeleted: {}", kind, isDeleted);
execution.setVariable(IS_RESOURCE_DELETED_PARAM_NAME, isDeleted);
} catch (final KubernetesRequestTimeOut kubernetesRequestTimeOut) {
final Integer counter = (Integer) execution.getVariable(RETRY_COUNTER_PARAM_NAME);
if (counter > MAX_RETRIES) {
final String message = "Retries max out for resource: " + kind;
logger.error(message);
abortOperation(execution, message);
}
logger.debug("Current retries counter: {} will increament and try again", counter);
execution.setVariable(RETRY_COUNTER_PARAM_NAME, counter + 1);
execution.setVariable(IS_RESOURCE_DELETED_PARAM_NAME, false);
} catch (final Exception exception) {
final String message = "Unable to preform delete status check for resource " + kind;
logger.error(message, exception);
abortOperation(execution, message);
}
logger.info("Finished isResourceDeleted ...");
}
public void checkIfOperationWasSuccessful(final DelegateExecution execution) {
logger.info("Executing checkIfOperationWasSuccessful ");
final String kind = (String) execution.getVariable(KIND_PARAM_NAME);
@SuppressWarnings("unchecked")
final Map<String, Boolean> kubeKindResult =
(Map<String, Boolean>) execution.getVariable(KUBE_KINDS_RESULT_PARAM_NAME);
final boolean isDeleted = (boolean) execution.getVariable(IS_RESOURCE_DELETED_PARAM_NAME);
logger.debug("{} delete status {}", kind, isDeleted ? "Successful" : "failed");
kubeKindResult.put(kind, isDeleted);
execution.setVariable(KUBE_KINDS_RESULT_PARAM_NAME, kubeKindResult);
if (!isDeleted) {
final String message = "Status check failed for resource: {}" + kind;
logger.error(message);
abortOperation(execution, message);
}
final String asDeploymentItemInstId = (String) execution.getVariable(AS_DEPLOYMENT_ITEM_INST_ID_PARAM_NAME);
addJobStatus(execution, JobStatusEnum.IN_PROGRESS,
"Resource " + kind + " is deleting for asDeploymentItemInstId: " + asDeploymentItemInstId);
logger.info("Finished checkIfOperationWasSuccessful ...");
}
public void timeOutLogFailue(final DelegateExecution execution) {
logger.info("Executing timeOutLogFailue ");
final String message = "Is Resource Deleted operation timed out";
logger.error(message);
abortOperation(execution, message);
logger.info("Finished timeOutLogFailue ...");
}
}
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