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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.so.adapters.tasks.orchestration;
import java.io.ByteArrayInputStream;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import javax.xml.bind.JAXB;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.apache.commons.lang3.mutable.MutableBoolean;
import org.camunda.bpm.client.task.ExternalTask;
import org.camunda.bpm.client.task.ExternalTaskService;
import org.onap.so.adapters.nwrest.CreateNetworkRequest;
import org.onap.so.adapters.vnfrest.CreateVfModuleRequest;
import org.onap.so.adapters.vnfrest.CreateVolumeGroupRequest;
import org.onap.so.adapters.vnfrest.DeleteVfModuleRequest;
import org.onap.so.adapters.vnfrest.DeleteVolumeGroupRequest;
import org.onap.so.adapters.nwrest.DeleteNetworkRequest;
import org.onap.so.adapters.nwrest.UpdateNetworkRequest;
import org.onap.so.adapters.vnf.VnfAdapterUtils;
import org.onap.so.logging.tasks.AuditMDCSetup;
import org.onap.so.openstack.exceptions.MsoException;
import org.onap.so.openstack.utils.MsoHeatUtils;
import org.onap.so.utils.ExternalTaskUtils;
import org.onap.so.utils.RetrySequenceLevel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.woorea.openstack.heat.model.Stack;
@Component
public class PollService extends ExternalTaskUtils {
private static final Logger logger = LoggerFactory.getLogger(PollService.class);
@Autowired
private MsoHeatUtils msoHeatUtils;
@Autowired
private VnfAdapterUtils vnfAdapterUtils;
@Autowired
private AuditMDCSetup mdcSetup;
public PollService() {
super(RetrySequenceLevel.SHORT);
}
public void executeExternalTask(ExternalTask externalTask, ExternalTaskService externalTaskService) {
mdcSetup.setupMDC(externalTask);
logger.debug("Starting External Task Poll Service");
Map<String, Object> variables = new HashMap<>();
MutableBoolean success = new MutableBoolean();
String errorMessage = null;
try {
String xmlRequest = externalTask.getVariable("openstackAdapterTaskRequest");
if (xmlRequest != null) {
Optional<String> requestType = findRequestType(xmlRequest);
if ("createVolumeGroupRequest".equals(requestType.get())) {
determineCreateVolumeGroupStatus(xmlRequest, externalTask, success);
} else if ("createVfModuleRequest".equals(requestType.get())) {
determineCreateVfModuleStatus(xmlRequest, externalTask, success);
} else if ("deleteVfModuleRequest".equals(requestType.get())) {
logger.debug("Executing External Task Poll Service for Delete Vf Module");
DeleteVfModuleRequest req =
JAXB.unmarshal(new StringReader(xmlRequest), DeleteVfModuleRequest.class);
boolean isMulticloud = vnfAdapterUtils.isMulticloudMode(null, req.getCloudSiteId());
if (!isMulticloud) {
pollDeleteResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
} else {
success.setTrue();
}
} else if ("deleteVolumeGroupRequest".equals(requestType.get())) {
logger.debug("Executing External Task Poll Service for Delete Volume Group");
DeleteVolumeGroupRequest req =
JAXB.unmarshal(new StringReader(xmlRequest), DeleteVolumeGroupRequest.class);
boolean isMulticloud = vnfAdapterUtils.isMulticloudMode(null, req.getCloudSiteId());
if (!isMulticloud) {
pollDeleteResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
} else {
success.setTrue();
}
} else if ("createNetworkRequest".equals(requestType.get())) {
determineCreateNetworkStatus(xmlRequest, externalTask, success);
} else if ("deleteNetworkRequest".equals(requestType.get())) {
logger.debug("Executing External Task Poll Service for Delete Network");
DeleteNetworkRequest req = JAXB.unmarshal(new StringReader(xmlRequest), DeleteNetworkRequest.class);
pollDeleteResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
} else if ("updateNetworkRequest".equals(requestType.get())) {
UpdateNetworkRequest req = JAXB.unmarshal(new StringReader(xmlRequest), UpdateNetworkRequest.class);
pollUpdateResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
}
}
} catch (Exception e) {
logger.error("Error during External Task Poll Service", e);
errorMessage = e.toString();
variables.put("openstackAdapterErrorMessage", errorMessage);
}
variables.put("OpenstackPollSuccess", success.booleanValue());
if (success.isTrue()) {
externalTaskService.complete(externalTask, variables);
logger.debug("The External Task Id: {} Successful", externalTask.getId());
} else {
if (externalTask.getRetries() == null) {
logger.debug("The External Task Id: {} Failed, Setting Retries to Default Start Value: {}",
externalTask.getId(), getRetrySequence().length);
externalTaskService.handleFailure(externalTask, "errorMessage", "errorDetails",
getRetrySequence().length, 10000);
} else if (externalTask.getRetries() != null && externalTask.getRetries() - 1 == 0) {
logger.debug("The External Task Id: {} Failed, All Retries Exhausted", externalTask.getId());
externalTaskService.complete(externalTask, variables);
} else {
logger.debug("The External Task Id: {} Failed, Decrementing Retries: {} , Retry Delay: {}",
externalTask.getId(), externalTask.getRetries() - 1,
calculateRetryDelay(externalTask.getRetries()));
externalTaskService.handleFailure(externalTask, "errorMessage", "errorDetails",
externalTask.getRetries() - 1, calculateRetryDelay(externalTask.getRetries()));
}
}
}
private void determineCreateVolumeGroupStatus(String xmlRequest, ExternalTask externalTask, MutableBoolean success)
throws MsoException {
CreateVolumeGroupRequest req = JAXB.unmarshal(new StringReader(xmlRequest), CreateVolumeGroupRequest.class);
boolean isMulticloud = vnfAdapterUtils.isMulticloudMode(null, req.getCloudSiteId());
if (!isMulticloud) {
boolean pollRollbackStatus = externalTask.getVariable("PollRollbackStatus");
if (pollRollbackStatus) {
logger.debug("Executing External Task Poll Service for Rollback Create Volume Group");
pollDeleteResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
} else {
pollCreateResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
}
} else {
success.setTrue();
}
}
private void determineCreateVfModuleStatus(String xmlRequest, ExternalTask externalTask, MutableBoolean success)
throws MsoException {
CreateVfModuleRequest req = JAXB.unmarshal(new StringReader(xmlRequest), CreateVfModuleRequest.class);
boolean isMulticloud = vnfAdapterUtils.isMulticloudMode(null, req.getCloudSiteId());
if (!isMulticloud) {
boolean pollRollbackStatus = externalTask.getVariable("PollRollbackStatus");
if (pollRollbackStatus) {
logger.debug("Executing External Task Poll Service for Rollback Create Vf Module");
pollDeleteResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
} else {
logger.debug("Executing External Task Poll Service for Create Vf Module");
pollCreateResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
}
} else {
success.setTrue();
}
}
private void determineCreateNetworkStatus(String xmlRequest, ExternalTask externalTask, MutableBoolean success)
throws MsoException {
CreateNetworkRequest req = JAXB.unmarshal(new StringReader(xmlRequest), CreateNetworkRequest.class);
boolean pollRollbackStatus = externalTask.getVariable("PollRollbackStatus");
if (pollRollbackStatus) {
logger.debug("Executing External Task Poll Service for Rollback Create Network");
pollDeleteResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
} else {
logger.debug("Executing External Task Poll Service for Create Network");
pollCreateResource(req.getCloudSiteId(), req.getTenantId(), externalTask, success);
}
}
private void pollCreateResource(String cloudSiteId, String tenantId, ExternalTask externalTask,
MutableBoolean success) throws MsoException {
Stack currentStack = createCurrentStack(externalTask.getVariable("stackId"));
Stack stack =
msoHeatUtils.pollStackForStatus(1, currentStack, "CREATE_IN_PROGRESS", cloudSiteId, tenantId, false);
msoHeatUtils.postProcessStackCreate(stack, false, 0, false, cloudSiteId, tenantId, null);
success.setTrue();
}
private void pollDeleteResource(String cloudSiteId, String tenantId, ExternalTask externalTask,
MutableBoolean success) throws MsoException {
Stack currentStack = createCurrentStack(externalTask.getVariable("stackId"));
Stack stack =
msoHeatUtils.pollStackForStatus(1, currentStack, "DELETE_IN_PROGRESS", cloudSiteId, tenantId, true);
if (stack != null) { // if stack is null it was not found and no need to do post process
msoHeatUtils.postProcessStackDelete(stack);
}
success.setTrue();
}
private void pollUpdateResource(String cloudSiteId, String tenantId, ExternalTask externalTask,
MutableBoolean success) throws MsoException {
Stack currentStack = createCurrentStack(externalTask.getVariable("stackId"));
Stack stack =
msoHeatUtils.pollStackForStatus(1, currentStack, "UPDATE_IN_PROGRESS", cloudSiteId, tenantId, false);
msoHeatUtils.postProcessStackUpdate(stack);
success.setTrue();
}
protected Optional<String> findRequestType(String xmlString) {
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
org.w3c.dom.Document doc;
doc = builder.parse(new ByteArrayInputStream(xmlString.getBytes("UTF-8")));
return Optional.of(doc.getDocumentElement().getNodeName());
} catch (Exception e) {
logger.error("Error Finding Request Type", e);
return Optional.empty();
}
}
private Stack createCurrentStack(String canonicalStackId) {
Stack currentStack = new Stack();
String stackName = canonicalStackId;
if (canonicalStackId.contains("/")) {
String[] stacks = canonicalStackId.split("/");
stackName = stacks[0];
currentStack.setId(stacks[1]);
}
currentStack.setStackName(stackName);
return currentStack;
}
}
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