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authorDeterme, Sebastien (sd378r) <sd378r@intl.att.com>2017-05-02 03:53:18 -0700
committerDeterme, Sebastien (sd378r) <sd378r@intl.att.com>2017-05-02 06:59:21 -0700
commit94ee92559b051f2f82ed681f841f4f13016842ed (patch)
tree9760a0ad7da03572ed4c9dc596c4b0f537e64112 /asdc-controller/src/main
parent43bbca64032716730d2e7795b6569d5fdbda9d12 (diff)
[MSO-8] Second step of the rebase for MSO
Second rebase containing additional features for MSO + total reworking of the BPMN structure + Notification flow can now be added at the end of some BPMN flows Change-Id: I7e937c7a0ba1593ca85e164a093f79c7e38b6ce0 Signed-off-by: Determe, Sebastien (sd378r) <sd378r@intl.att.com>
Diffstat (limited to 'asdc-controller/src/main')
-rw-r--r--asdc-controller/src/main/java/org/openecomp/mso/asdc/client/ASDCController.java1152
1 files changed, 576 insertions, 576 deletions
diff --git a/asdc-controller/src/main/java/org/openecomp/mso/asdc/client/ASDCController.java b/asdc-controller/src/main/java/org/openecomp/mso/asdc/client/ASDCController.java
index a0de24a9cd..a95d25fcbb 100644
--- a/asdc-controller/src/main/java/org/openecomp/mso/asdc/client/ASDCController.java
+++ b/asdc-controller/src/main/java/org/openecomp/mso/asdc/client/ASDCController.java
@@ -1,576 +1,576 @@
-/*-
- * ============LICENSE_START=======================================================
- * OPENECOMP - MSO
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * 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.openecomp.mso.asdc.client;
-
-
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import org.openecomp.sdc.api.IDistributionClient;
-import org.openecomp.sdc.api.consumer.IDistributionStatusMessage;
-import org.openecomp.sdc.api.consumer.INotificationCallback;
-import org.openecomp.sdc.api.notification.IArtifactInfo;
-import org.openecomp.sdc.api.notification.INotificationData;
-import org.openecomp.sdc.api.notification.IResourceInstance;
-import org.openecomp.sdc.api.results.IDistributionClientDownloadResult;
-import org.openecomp.sdc.api.results.IDistributionClientResult;
-import org.openecomp.sdc.impl.DistributionClientFactory;
-import org.openecomp.sdc.utils.DistributionActionResultEnum;
-import org.openecomp.sdc.utils.DistributionStatusEnum;
-import org.openecomp.mso.asdc.client.exceptions.ASDCControllerException;
-import org.openecomp.mso.asdc.client.exceptions.ASDCDownloadException;
-import org.openecomp.mso.asdc.client.exceptions.ASDCParametersException;
-import org.openecomp.mso.asdc.client.exceptions.ArtifactInstallerException;
-import org.openecomp.mso.asdc.installer.IVfResourceInstaller;
-import org.openecomp.mso.asdc.installer.VfResourceStructure;
-import org.openecomp.mso.asdc.installer.heat.VfResourceInstaller;
-import org.openecomp.mso.asdc.util.ASDCNotificationLogging;
-import org.openecomp.mso.logger.MessageEnum;
-import org.openecomp.mso.logger.MsoAlarmLogger;
-import org.openecomp.mso.logger.MsoLogger;
-import org.openecomp.mso.utils.UUIDChecker;
-
-public class ASDCController {
-
- protected static final MsoLogger LOGGER = MsoLogger.getMsoLogger (MsoLogger.Catalog.ASDC);
-
- protected static MsoAlarmLogger alarmLogger = new MsoAlarmLogger ();
-
- protected boolean isAsdcClientAutoManaged = false;
-
- protected String controllerName;
-
- /**
- * Inner class for Notification callback
- *
- *
- */
- private final class ASDCNotificationCallBack implements INotificationCallback {
-
- private ASDCController asdcController;
-
- ASDCNotificationCallBack (ASDCController controller) {
- asdcController = controller;
- }
-
- /**
- * This method can be called multiple times at the same moment.
- * The controller must be thread safe !
- */
- @Override
- public void activateCallback (INotificationData iNotif) {
- long startTime = System.currentTimeMillis ();
- UUIDChecker.generateUUID (LOGGER);
- MsoLogger.setServiceName ("NotificationHandler");
- MsoLogger.setLogContext (iNotif.getDistributionID (), iNotif.getServiceUUID ());
- String event = "Receive a callback notification in ASDC, nb of resources: " + iNotif.getResources ().size ();
- LOGGER.debug(event);
- asdcController.treatNotification (iNotif);
- LOGGER.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Completed the treatment of the notification");
- }
- }
-
- // ***** Controller STATUS code
-
- protected int nbOfNotificationsOngoing = 0;
-
- public int getNbOfNotificationsOngoing () {
- return nbOfNotificationsOngoing;
- }
-
- private ASDCControllerStatus controllerStatus = ASDCControllerStatus.STOPPED;
-
- protected synchronized final void changeControllerStatus (ASDCControllerStatus newControllerStatus) {
- switch (newControllerStatus) {
-
- case BUSY:
- ++this.nbOfNotificationsOngoing;
- this.controllerStatus = newControllerStatus;
- break;
-
- case IDLE:
- if (this.nbOfNotificationsOngoing > 1) {
- --this.nbOfNotificationsOngoing;
- } else {
- this.nbOfNotificationsOngoing = 0;
- this.controllerStatus = newControllerStatus;
- }
-
- break;
- default:
- this.controllerStatus = newControllerStatus;
- break;
-
- }
- }
-
- public synchronized final ASDCControllerStatus getControllerStatus () {
- return this.controllerStatus;
- }
-
- // ***** END of Controller STATUS code
-
- protected ASDCConfiguration asdcConfig;
- private IDistributionClient distributionClient;
- private IVfResourceInstaller resourceInstaller;
-
- public ASDCController (String controllerConfigName) {
- isAsdcClientAutoManaged = true;
- this.controllerName = controllerConfigName;
- this.resourceInstaller = new VfResourceInstaller();
- }
-
- public ASDCController (String controllerConfigName, IDistributionClient asdcClient, IVfResourceInstaller resourceinstaller) {
-
- distributionClient = asdcClient;
- this.resourceInstaller = resourceinstaller;
- this.controllerName = controllerConfigName;
- }
-
- public ASDCController (String controllerConfigName,IDistributionClient asdcClient) {
- distributionClient = asdcClient;
- this.controllerName = controllerConfigName;
- this.resourceInstaller = new VfResourceInstaller();
- }
-
- /**
- * This method refresh the ASDC Controller config and restart the client.
- *
- * @return true if config has been reloaded, false otherwise
- * @throws ASDCControllerException If case of issue with the init or close called during the config reload
- * @throws ASDCParametersException If there is an issue with the parameters
- * @throws IOException In case of the key file could not be loaded properly
- */
- public boolean updateConfigIfNeeded () throws ASDCParametersException, ASDCControllerException, IOException {
- LOGGER.debug ("Checking whether ASDC config must be reloaded");
-
- try {
- if (this.asdcConfig != null && this.asdcConfig.hasASDCConfigChanged ()) {
- LOGGER.debug ("ASDC Config must be reloaded");
- this.closeASDC ();
- this.asdcConfig.refreshASDCConfig ();
- this.initASDC ();
- return true;
- } else {
- LOGGER.debug ("ASDC Config must NOT be reloaded");
- return false;
- }
- } catch (ASDCParametersException ep) {
- // Try to close it at least to make it consistent with the file specified
- // We cannot let it run with a different config file, even if it's bad.
- // This call could potentially throw a ASDCController exception if the controller is currently BUSY.
- this.closeASDC ();
-
- throw ep;
- }
- }
-
- /**
- * This method initializes the ASDC Controller and the ASDC Client.
- *
- * @throws ASDCControllerException It throws an exception if the ASDC Client cannot be instantiated or if an init
- * attempt is done when already initialized
- * @throws ASDCParametersException If there is an issue with the parameters provided
- * @throws IOException In case of issues when trying to load the key file
- */
- public void initASDC () throws ASDCControllerException, ASDCParametersException, IOException {
- String event = "Initialize the ASDC Controller";
- MsoLogger.setServiceName ("InitASDC");
- LOGGER.debug (event);
- if (this.getControllerStatus () != ASDCControllerStatus.STOPPED) {
- String endEvent = "The controller is already initialized, call the closeASDC method first";
- throw new ASDCControllerException (endEvent);
- }
-
- if (asdcConfig == null) {
- asdcConfig = new ASDCConfiguration (this.controllerName);
-
- }
- // attempt to refresh during init as MsoProperties is may be pointing to an old file
- // Be careful this is static in MsoProperties
- asdcConfig.refreshASDCConfig ();
-
- if (this.distributionClient == null) {
- distributionClient = DistributionClientFactory.createDistributionClient ();
- }
- long initStartTime = System.currentTimeMillis ();
- IDistributionClientResult result = this.distributionClient.init (asdcConfig,
- new ASDCNotificationCallBack (this));
- if (!result.getDistributionActionResult ().equals (DistributionActionResultEnum.SUCCESS)) {
- String endEvent = "ASDC distribution client init failed with reason:"
- + result.getDistributionMessageResult ();
- LOGGER.recordMetricEvent (initStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.UnknownError, "Initialization of the ASDC Controller failed with reason:" + result.getDistributionMessageResult (), "ASDC", "init", null);
- LOGGER.debug (endEvent);
- asdcConfig = null;
-
- this.changeControllerStatus (ASDCControllerStatus.STOPPED);
- throw new ASDCControllerException ("Initialization of the ASDC Controller failed with reason: "
- + result.getDistributionMessageResult ());
- }
- LOGGER.recordMetricEvent (initStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successfully initialize ASDC Controller", "ASDC", "init", null);
-
- long clientstartStartTime = System.currentTimeMillis ();
- result = this.distributionClient.start ();
- if (!result.getDistributionActionResult ().equals (DistributionActionResultEnum.SUCCESS)) {
- String endEvent = "ASDC distribution client start failed with reason:"
- + result.getDistributionMessageResult ();
- LOGGER.recordMetricEvent (clientstartStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.UnknownError, endEvent, "ASDC", "start", null);
- LOGGER.debug (endEvent);
- asdcConfig = null;
- this.changeControllerStatus (ASDCControllerStatus.STOPPED);
- throw new ASDCControllerException ("Startup of the ASDC Controller failed with reason: "
- + result.getDistributionMessageResult ());
- }
- LOGGER.recordMetricEvent (clientstartStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successfully start ASDC distribution client", "ASDC", "start", null);
-
-
- this.changeControllerStatus (ASDCControllerStatus.IDLE);
- LOGGER.info (MessageEnum.ASDC_INIT_ASDC_CLIENT_SUC, "ASDC", "changeControllerStatus");
- }
-
- /**
- * This method closes the ASDC Controller and the ASDC Client.
- *
- * @throws ASDCControllerException It throws an exception if the ASDC Client cannot be closed because
- * it's currently BUSY in processing notifications.
- */
- public void closeASDC () throws ASDCControllerException {
-
- MsoLogger.setServiceName ("CloseController");
- if (this.getControllerStatus () == ASDCControllerStatus.BUSY) {
- throw new ASDCControllerException ("Cannot close the ASDC controller as it's currently in BUSY state");
- }
- if (this.distributionClient != null) {
- this.distributionClient.stop ();
- // If auto managed we can set it to Null, ASDCController controls it.
- // In the other case the client of this class has specified it, so we can't reset it
- if (isAsdcClientAutoManaged) {
- // Next init will initialize it with a new ASDC Client
- this.distributionClient = null;
- }
-
- }
- this.changeControllerStatus (ASDCControllerStatus.STOPPED);
- }
-
- private boolean checkResourceAlreadyDeployed (VfResourceStructure resource) throws ArtifactInstallerException {
-
- if (this.resourceInstaller.isResourceAlreadyDeployed (resource)) {
- LOGGER.info (MessageEnum.ASDC_ARTIFACT_ALREADY_EXIST,
- resource.getResourceInstance().getResourceInstanceName(),
- resource.getResourceInstance().getResourceUUID(),
- resource.getResourceInstance().getResourceName(), "", "");
-
- this.sendDeployNotificationsForResource(resource,DistributionStatusEnum.ALREADY_DOWNLOADED,null);
- this.sendDeployNotificationsForResource(resource,DistributionStatusEnum.ALREADY_DEPLOYED,null);
-
- return true;
- } else {
- return false;
- }
-
- }
-
- private final static String UUID_PARAM = "(UUID:";
-
- private IDistributionClientDownloadResult downloadTheArtifact (IArtifactInfo artifact,
- String distributionId) throws ASDCDownloadException {
-
- LOGGER.debug ("Trying to download the artifact : " + artifact.getArtifactURL ()
- + UUID_PARAM
- + artifact.getArtifactUUID ()
- + ")");
- IDistributionClientDownloadResult downloadResult;
-
-
- try {
- downloadResult = distributionClient.download (artifact);
- if (null == downloadResult) {
- LOGGER.info (MessageEnum.ASDC_ARTIFACT_NULL, artifact.getArtifactUUID (), "", "");
- return downloadResult;
- }
- } catch (RuntimeException e) {
- LOGGER.debug ("Not able to download the artifact due to an exception: " + artifact.getArtifactURL ());
- this.sendASDCNotification (NotificationType.DOWNLOAD,
- artifact.getArtifactURL (),
- asdcConfig.getConsumerID (),
- distributionId,
- DistributionStatusEnum.DOWNLOAD_ERROR,
- e.getMessage (),
- System.currentTimeMillis ());
-
- throw new ASDCDownloadException ("Exception caught when downloading the artifact", e);
- }
-
- if (DistributionActionResultEnum.SUCCESS.equals(downloadResult.getDistributionActionResult ())) {
-
- LOGGER.info (MessageEnum.ASDC_ARTIFACT_DOWNLOAD_SUC,
- artifact.getArtifactURL (),
- artifact.getArtifactUUID (),
- String.valueOf (downloadResult.getArtifactPayload ().length), "", "");
-
- } else {
-
- LOGGER.error (MessageEnum.ASDC_ARTIFACT_DOWNLOAD_FAIL,
- artifact.getArtifactName (),
- artifact.getArtifactURL (),
- artifact.getArtifactUUID (),
- downloadResult.getDistributionMessageResult (), "", "", MsoLogger.ErrorCode.DataError, "ASDC artifact download fail");
-
- this.sendASDCNotification (NotificationType.DOWNLOAD,
- artifact.getArtifactURL (),
- asdcConfig.getConsumerID (),
- distributionId,
- DistributionStatusEnum.DOWNLOAD_ERROR,
- downloadResult.getDistributionMessageResult (),
- System.currentTimeMillis ());
-
- throw new ASDCDownloadException ("Artifact " + artifact.getArtifactName ()
- + " could not be downloaded from ASDC URL "
- + artifact.getArtifactURL ()
- + UUID_PARAM
- + artifact.getArtifactUUID ()
- + ")"
- + System.lineSeparator ()
- + "Error message is "
- + downloadResult.getDistributionMessageResult ()
- + System.lineSeparator ());
-
- }
-
- this.sendASDCNotification (NotificationType.DOWNLOAD,
- artifact.getArtifactURL (),
- asdcConfig.getConsumerID (),
- distributionId,
- DistributionStatusEnum.DOWNLOAD_OK,
- null,
- System.currentTimeMillis ());
- return downloadResult;
-
- }
-
-
- private void sendDeployNotificationsForResource(VfResourceStructure vfResourceStructure,DistributionStatusEnum distribStatus, String errorReason) {
-
- for (IArtifactInfo artifactInfo : vfResourceStructure.getResourceInstance().getArtifacts()) {
-
- if (DistributionStatusEnum.DEPLOY_OK.equals(distribStatus)
- // This could be NULL if the artifact is a VF module artifact, this won't be present in the MAP
- && vfResourceStructure.getArtifactsMapByUUID().get(artifactInfo.getArtifactUUID()) != null
- && vfResourceStructure.getArtifactsMapByUUID().get(artifactInfo.getArtifactUUID()).getDeployedInDb() == 0) {
- this.sendASDCNotification (NotificationType.DEPLOY,
- artifactInfo.getArtifactURL (),
- asdcConfig.getConsumerID (),
- vfResourceStructure.getNotification().getDistributionID(),
- DistributionStatusEnum.DEPLOY_ERROR,
- "The artifact has not been used by the modules defined in the resource",
- System.currentTimeMillis ());
- } else {
- this.sendASDCNotification (NotificationType.DEPLOY,
- artifactInfo.getArtifactURL (),
- asdcConfig.getConsumerID (),
- vfResourceStructure.getNotification().getDistributionID(),
- distribStatus,
- errorReason,
- System.currentTimeMillis ());
- }
- }
- }
-
- private void deployResourceStructure (VfResourceStructure resourceStructure) throws ArtifactInstallerException {
-
- LOGGER.info (MessageEnum.ASDC_START_DEPLOY_ARTIFACT, resourceStructure.getResourceInstance().getResourceInstanceName(), resourceStructure.getResourceInstance().getResourceUUID(), "ASDC", "deployResourceStructure");
- try {
- String resourceType = resourceStructure.getResourceInstance().getResourceType();
- String category = resourceStructure.getResourceInstance().getCategory();
- if(resourceType.equals("VF") && !category.equalsIgnoreCase("Allotted Resource")){
- resourceStructure.createVfModuleStructures();
- }
- resourceInstaller.installTheResource (resourceStructure);
-
- } catch (ArtifactInstallerException e) {
-
- sendDeployNotificationsForResource(resourceStructure,DistributionStatusEnum.DEPLOY_ERROR,e.getMessage());
- throw e;
- }
-
- if (resourceStructure.isDeployedSuccessfully()) {
- LOGGER.info (MessageEnum.ASDC_ARTIFACT_DEPLOY_SUC,
- resourceStructure.getResourceInstance().getResourceName(),
- resourceStructure.getResourceInstance().getResourceUUID(),
- String.valueOf (resourceStructure.getVfModuleStructure().size()), "ASDC", "deployResourceStructure");
- sendDeployNotificationsForResource(resourceStructure,DistributionStatusEnum.DEPLOY_OK ,null);
- }
-
- }
-
- private enum NotificationType {
- DOWNLOAD, DEPLOY
- }
-
- private void sendASDCNotification (NotificationType notificationType,
- String artifactURL,
- String consumerID,
- String distributionID,
- DistributionStatusEnum status,
- String errorReason,
- long timestamp) {
-
- String event = "Sending " + notificationType.name ()
- + "("
- + status.name ()
- + ")"
- + " notification to ASDC for artifact:"
- + artifactURL;
-
- if (errorReason != null) {
- event=event+"("+errorReason+")";
- }
- LOGGER.info (MessageEnum.ASDC_SEND_NOTIF_ASDC, notificationType.name (), status.name (), artifactURL, "ASDC", "sendASDCNotification");
- LOGGER.debug (event);
-
- long subStarttime = System.currentTimeMillis ();
- String action = "";
- try {
- IDistributionStatusMessage message = new DistributionStatusMessage (artifactURL,
- consumerID,
- distributionID,
- status,
- timestamp);
-
- switch (notificationType) {
- case DOWNLOAD:
- if (errorReason != null) {
- this.distributionClient.sendDownloadStatus (message, errorReason);
- } else {
- this.distributionClient.sendDownloadStatus (message);
- }
- action = "sendDownloadStatus";
- break;
- case DEPLOY:
- if (errorReason != null) {
- this.distributionClient.sendDeploymentStatus (message, errorReason);
- } else {
- this.distributionClient.sendDeploymentStatus (message);
- }
- action = "sendDeploymentdStatus";
- break;
- default:
- break;
- }
- } catch (RuntimeException e) {
- // TODO: May be a list containing the unsent notification should be
- // kept
- LOGGER.warn (MessageEnum.ASDC_SEND_NOTIF_ASDC_EXEC, "ASDC", "sendASDCNotification", MsoLogger.ErrorCode.SchemaError, "RuntimeException - sendASDCNotification", e);
- }
- LOGGER.recordMetricEvent (subStarttime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successfully sent notification to ASDC", "ASDC", action, null);
- }
-
- public void treatNotification (INotificationData iNotif) {
-
- int noOfArtifacts = 0;
- for (IResourceInstance resource : iNotif.getResources ()) {
- noOfArtifacts += resource.getArtifacts ().size ();
- }
- LOGGER.info (MessageEnum.ASDC_RECEIVE_CALLBACK_NOTIF,
- String.valueOf (noOfArtifacts),
- iNotif.getServiceUUID (), "ASDC", "treatNotification");
-
- try {
- LOGGER.debug(ASDCNotificationLogging.dumpASDCNotification(iNotif));
- LOGGER.info(MessageEnum.ASDC_RECEIVE_SERVICE_NOTIF, iNotif.getServiceUUID(), "ASDC", "treatNotification");
- this.changeControllerStatus(ASDCControllerStatus.BUSY);
- // Process only the Resource artifacts in MSO
- for (IResourceInstance resource : iNotif.getResources()) {
-
- // We process only VNF(VF) and Network(VL) resources on MSO Side
- // We process only VNF resource on MSO Side
- if ("VF".equals(resource.getResourceType()) || "VL".equals(resource.getResourceType())) {
- this.processResourceNotification(iNotif,resource);
- }
- }
-
-
-
- } catch (RuntimeException e) {
- LOGGER.error (MessageEnum.ASDC_GENERAL_EXCEPTION_ARG,
- "Unexpected exception caught during the notification processing", "ASDC", "treatNotification", MsoLogger.ErrorCode.SchemaError, "RuntimeException in treatNotification",
- e);
- } finally {
- this.changeControllerStatus (ASDCControllerStatus.IDLE);
- }
- }
-
-
- private void processResourceNotification (INotificationData iNotif,IResourceInstance resource) {
- // For each artifact, create a structure describing the VFModule in a ordered flat level
- VfResourceStructure resourceStructure = new VfResourceStructure(iNotif,resource);
-
- try {
-
- if (!this.checkResourceAlreadyDeployed(resourceStructure)) {
- for (IArtifactInfo artifact : resource.getArtifacts()) {
-
- IDistributionClientDownloadResult resultArtifact = this.downloadTheArtifact(artifact,
- iNotif.getDistributionID());
-
- if (resultArtifact != null) {
- if (ASDCConfiguration.VF_MODULES_METADATA.equals(artifact.getArtifactType())) {
- LOGGER.debug("VF_MODULE_ARTIFACT: "+new String(resultArtifact.getArtifactPayload(),"UTF-8"));
- LOGGER.debug(ASDCNotificationLogging.dumpVfModuleMetaDataList(resourceStructure.decodeVfModuleArtifact(resultArtifact.getArtifactPayload())));
- }
- resourceStructure.addArtifactToStructure(distributionClient,artifact, resultArtifact);
-
- }
-
- }
-
- this.deployResourceStructure(resourceStructure);
-
- }
- } catch (ArtifactInstallerException | ASDCDownloadException | UnsupportedEncodingException e) {
- LOGGER.error(MessageEnum.ASDC_GENERAL_EXCEPTION_ARG,
- "Exception caught during Installation of artifact", "ASDC", "processResourceNotification", MsoLogger.ErrorCode.BusinessProcesssError, "Exception in processResourceNotification", e);
- }
- }
-
- private static final String UNKNOWN="Unknown";
-
- /**
- * @return the address of the ASDC we are connected to.
- */
- public String getAddress () {
- if (asdcConfig != null) {
- return asdcConfig.getAsdcAddress ();
- }
- return UNKNOWN;
- }
-
- /**
- * @return the environment name of the ASDC we are connected to.
- */
- public String getEnvironment () {
- if (asdcConfig != null) {
- return asdcConfig.getEnvironmentName ();
- }
- return UNKNOWN;
- }
-
-}
+/*-
+ * ============LICENSE_START=======================================================
+ * OPENECOMP - MSO
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.openecomp.mso.asdc.client;
+
+
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import org.openecomp.sdc.api.IDistributionClient;
+import org.openecomp.sdc.api.consumer.IDistributionStatusMessage;
+import org.openecomp.sdc.api.consumer.INotificationCallback;
+import org.openecomp.sdc.api.notification.IArtifactInfo;
+import org.openecomp.sdc.api.notification.INotificationData;
+import org.openecomp.sdc.api.notification.IResourceInstance;
+import org.openecomp.sdc.api.results.IDistributionClientDownloadResult;
+import org.openecomp.sdc.api.results.IDistributionClientResult;
+import org.openecomp.sdc.impl.DistributionClientFactory;
+import org.openecomp.sdc.utils.DistributionActionResultEnum;
+import org.openecomp.sdc.utils.DistributionStatusEnum;
+import org.openecomp.mso.asdc.client.exceptions.ASDCControllerException;
+import org.openecomp.mso.asdc.client.exceptions.ASDCDownloadException;
+import org.openecomp.mso.asdc.client.exceptions.ASDCParametersException;
+import org.openecomp.mso.asdc.client.exceptions.ArtifactInstallerException;
+import org.openecomp.mso.asdc.installer.IVfResourceInstaller;
+import org.openecomp.mso.asdc.installer.VfResourceStructure;
+import org.openecomp.mso.asdc.installer.heat.VfResourceInstaller;
+import org.openecomp.mso.asdc.util.ASDCNotificationLogging;
+import org.openecomp.mso.logger.MessageEnum;
+import org.openecomp.mso.logger.MsoAlarmLogger;
+import org.openecomp.mso.logger.MsoLogger;
+import org.openecomp.mso.utils.UUIDChecker;
+
+public class ASDCController {
+
+ protected static final MsoLogger LOGGER = MsoLogger.getMsoLogger (MsoLogger.Catalog.ASDC);
+
+ protected static MsoAlarmLogger alarmLogger = new MsoAlarmLogger ();
+
+ protected boolean isAsdcClientAutoManaged = false;
+
+ protected String controllerName;
+
+ /**
+ * Inner class for Notification callback
+ *
+ *
+ */
+ private final class ASDCNotificationCallBack implements INotificationCallback {
+
+ private ASDCController asdcController;
+
+ ASDCNotificationCallBack (ASDCController controller) {
+ asdcController = controller;
+ }
+
+ /**
+ * This method can be called multiple times at the same moment.
+ * The controller must be thread safe !
+ */
+ @Override
+ public void activateCallback (INotificationData iNotif) {
+ long startTime = System.currentTimeMillis ();
+ UUIDChecker.generateUUID (LOGGER);
+ MsoLogger.setServiceName ("NotificationHandler");
+ MsoLogger.setLogContext (iNotif.getDistributionID (), iNotif.getServiceUUID ());
+ String event = "Receive a callback notification in ASDC, nb of resources: " + iNotif.getResources ().size ();
+ LOGGER.debug(event);
+ asdcController.treatNotification (iNotif);
+ LOGGER.recordAuditEvent (startTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Completed the treatment of the notification");
+ }
+ }
+
+ // ***** Controller STATUS code
+
+ protected int nbOfNotificationsOngoing = 0;
+
+ public int getNbOfNotificationsOngoing () {
+ return nbOfNotificationsOngoing;
+ }
+
+ private ASDCControllerStatus controllerStatus = ASDCControllerStatus.STOPPED;
+
+ protected synchronized final void changeControllerStatus (ASDCControllerStatus newControllerStatus) {
+ switch (newControllerStatus) {
+
+ case BUSY:
+ ++this.nbOfNotificationsOngoing;
+ this.controllerStatus = newControllerStatus;
+ break;
+
+ case IDLE:
+ if (this.nbOfNotificationsOngoing > 1) {
+ --this.nbOfNotificationsOngoing;
+ } else {
+ this.nbOfNotificationsOngoing = 0;
+ this.controllerStatus = newControllerStatus;
+ }
+
+ break;
+ default:
+ this.controllerStatus = newControllerStatus;
+ break;
+
+ }
+ }
+
+ public synchronized final ASDCControllerStatus getControllerStatus () {
+ return this.controllerStatus;
+ }
+
+ // ***** END of Controller STATUS code
+
+ protected ASDCConfiguration asdcConfig;
+ private IDistributionClient distributionClient;
+ private IVfResourceInstaller resourceInstaller;
+
+ public ASDCController (String controllerConfigName) {
+ isAsdcClientAutoManaged = true;
+ this.controllerName = controllerConfigName;
+ this.resourceInstaller = new VfResourceInstaller();
+ }
+
+ public ASDCController (String controllerConfigName, IDistributionClient asdcClient, IVfResourceInstaller resourceinstaller) {
+
+ distributionClient = asdcClient;
+ this.resourceInstaller = resourceinstaller;
+ this.controllerName = controllerConfigName;
+ }
+
+ public ASDCController (String controllerConfigName,IDistributionClient asdcClient) {
+ distributionClient = asdcClient;
+ this.controllerName = controllerConfigName;
+ this.resourceInstaller = new VfResourceInstaller();
+ }
+
+ /**
+ * This method refresh the ASDC Controller config and restart the client.
+ *
+ * @return true if config has been reloaded, false otherwise
+ * @throws ASDCControllerException If case of issue with the init or close called during the config reload
+ * @throws ASDCParametersException If there is an issue with the parameters
+ * @throws IOException In case of the key file could not be loaded properly
+ */
+ public boolean updateConfigIfNeeded () throws ASDCParametersException, ASDCControllerException, IOException {
+ LOGGER.debug ("Checking whether ASDC config must be reloaded");
+
+ try {
+ if (this.asdcConfig != null && this.asdcConfig.hasASDCConfigChanged ()) {
+ LOGGER.debug ("ASDC Config must be reloaded");
+ this.closeASDC ();
+ this.asdcConfig.refreshASDCConfig ();
+ this.initASDC ();
+ return true;
+ } else {
+ LOGGER.debug ("ASDC Config must NOT be reloaded");
+ return false;
+ }
+ } catch (ASDCParametersException ep) {
+ // Try to close it at least to make it consistent with the file specified
+ // We cannot let it run with a different config file, even if it's bad.
+ // This call could potentially throw a ASDCController exception if the controller is currently BUSY.
+ this.closeASDC ();
+
+ throw ep;
+ }
+ }
+
+ /**
+ * This method initializes the ASDC Controller and the ASDC Client.
+ *
+ * @throws ASDCControllerException It throws an exception if the ASDC Client cannot be instantiated or if an init
+ * attempt is done when already initialized
+ * @throws ASDCParametersException If there is an issue with the parameters provided
+ * @throws IOException In case of issues when trying to load the key file
+ */
+ public void initASDC () throws ASDCControllerException, ASDCParametersException, IOException {
+ String event = "Initialize the ASDC Controller";
+ MsoLogger.setServiceName ("InitASDC");
+ LOGGER.debug (event);
+ if (this.getControllerStatus () != ASDCControllerStatus.STOPPED) {
+ String endEvent = "The controller is already initialized, call the closeASDC method first";
+ throw new ASDCControllerException (endEvent);
+ }
+
+ if (asdcConfig == null) {
+ asdcConfig = new ASDCConfiguration (this.controllerName);
+
+ }
+ // attempt to refresh during init as MsoProperties is may be pointing to an old file
+ // Be careful this is static in MsoProperties
+ asdcConfig.refreshASDCConfig ();
+
+ if (this.distributionClient == null) {
+ distributionClient = DistributionClientFactory.createDistributionClient ();
+ }
+ long initStartTime = System.currentTimeMillis ();
+ IDistributionClientResult result = this.distributionClient.init (asdcConfig,
+ new ASDCNotificationCallBack (this));
+ if (!result.getDistributionActionResult ().equals (DistributionActionResultEnum.SUCCESS)) {
+ String endEvent = "ASDC distribution client init failed with reason:"
+ + result.getDistributionMessageResult ();
+ LOGGER.recordMetricEvent (initStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.UnknownError, "Initialization of the ASDC Controller failed with reason:" + result.getDistributionMessageResult (), "ASDC", "init", null);
+ LOGGER.debug (endEvent);
+ asdcConfig = null;
+
+ this.changeControllerStatus (ASDCControllerStatus.STOPPED);
+ throw new ASDCControllerException ("Initialization of the ASDC Controller failed with reason: "
+ + result.getDistributionMessageResult ());
+ }
+ LOGGER.recordMetricEvent (initStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successfully initialize ASDC Controller", "ASDC", "init", null);
+
+ long clientstartStartTime = System.currentTimeMillis ();
+ result = this.distributionClient.start ();
+ if (!result.getDistributionActionResult ().equals (DistributionActionResultEnum.SUCCESS)) {
+ String endEvent = "ASDC distribution client start failed with reason:"
+ + result.getDistributionMessageResult ();
+ LOGGER.recordMetricEvent (clientstartStartTime, MsoLogger.StatusCode.ERROR, MsoLogger.ResponseCode.UnknownError, endEvent, "ASDC", "start", null);
+ LOGGER.debug (endEvent);
+ asdcConfig = null;
+ this.changeControllerStatus (ASDCControllerStatus.STOPPED);
+ throw new ASDCControllerException ("Startup of the ASDC Controller failed with reason: "
+ + result.getDistributionMessageResult ());
+ }
+ LOGGER.recordMetricEvent (clientstartStartTime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successfully start ASDC distribution client", "ASDC", "start", null);
+
+
+ this.changeControllerStatus (ASDCControllerStatus.IDLE);
+ LOGGER.info (MessageEnum.ASDC_INIT_ASDC_CLIENT_SUC, "ASDC", "changeControllerStatus");
+ }
+
+ /**
+ * This method closes the ASDC Controller and the ASDC Client.
+ *
+ * @throws ASDCControllerException It throws an exception if the ASDC Client cannot be closed because
+ * it's currently BUSY in processing notifications.
+ */
+ public void closeASDC () throws ASDCControllerException {
+
+ MsoLogger.setServiceName ("CloseController");
+ if (this.getControllerStatus () == ASDCControllerStatus.BUSY) {
+ throw new ASDCControllerException ("Cannot close the ASDC controller as it's currently in BUSY state");
+ }
+ if (this.distributionClient != null) {
+ this.distributionClient.stop ();
+ // If auto managed we can set it to Null, ASDCController controls it.
+ // In the other case the client of this class has specified it, so we can't reset it
+ if (isAsdcClientAutoManaged) {
+ // Next init will initialize it with a new ASDC Client
+ this.distributionClient = null;
+ }
+
+ }
+ this.changeControllerStatus (ASDCControllerStatus.STOPPED);
+ }
+
+ private boolean checkResourceAlreadyDeployed (VfResourceStructure resource) throws ArtifactInstallerException {
+
+ if (this.resourceInstaller.isResourceAlreadyDeployed (resource)) {
+ LOGGER.info (MessageEnum.ASDC_ARTIFACT_ALREADY_EXIST,
+ resource.getResourceInstance().getResourceInstanceName(),
+ resource.getResourceInstance().getResourceUUID(),
+ resource.getResourceInstance().getResourceName(), "", "");
+
+ this.sendDeployNotificationsForResource(resource,DistributionStatusEnum.ALREADY_DOWNLOADED,null);
+ this.sendDeployNotificationsForResource(resource,DistributionStatusEnum.ALREADY_DEPLOYED,null);
+
+ return true;
+ } else {
+ return false;
+ }
+
+ }
+
+ private final static String UUID_PARAM = "(UUID:";
+
+ private IDistributionClientDownloadResult downloadTheArtifact (IArtifactInfo artifact,
+ String distributionId) throws ASDCDownloadException {
+
+ LOGGER.debug ("Trying to download the artifact : " + artifact.getArtifactURL ()
+ + UUID_PARAM
+ + artifact.getArtifactUUID ()
+ + ")");
+ IDistributionClientDownloadResult downloadResult;
+
+
+ try {
+ downloadResult = distributionClient.download (artifact);
+ if (null == downloadResult) {
+ LOGGER.info (MessageEnum.ASDC_ARTIFACT_NULL, artifact.getArtifactUUID (), "", "");
+ return downloadResult;
+ }
+ } catch (RuntimeException e) {
+ LOGGER.debug ("Not able to download the artifact due to an exception: " + artifact.getArtifactURL ());
+ this.sendASDCNotification (NotificationType.DOWNLOAD,
+ artifact.getArtifactURL (),
+ asdcConfig.getConsumerID (),
+ distributionId,
+ DistributionStatusEnum.DOWNLOAD_ERROR,
+ e.getMessage (),
+ System.currentTimeMillis ());
+
+ throw new ASDCDownloadException ("Exception caught when downloading the artifact", e);
+ }
+
+ if (DistributionActionResultEnum.SUCCESS.equals(downloadResult.getDistributionActionResult ())) {
+
+ LOGGER.info (MessageEnum.ASDC_ARTIFACT_DOWNLOAD_SUC,
+ artifact.getArtifactURL (),
+ artifact.getArtifactUUID (),
+ String.valueOf (downloadResult.getArtifactPayload ().length), "", "");
+
+ } else {
+
+ LOGGER.error (MessageEnum.ASDC_ARTIFACT_DOWNLOAD_FAIL,
+ artifact.getArtifactName (),
+ artifact.getArtifactURL (),
+ artifact.getArtifactUUID (),
+ downloadResult.getDistributionMessageResult (), "", "", MsoLogger.ErrorCode.DataError, "ASDC artifact download fail");
+
+ this.sendASDCNotification (NotificationType.DOWNLOAD,
+ artifact.getArtifactURL (),
+ asdcConfig.getConsumerID (),
+ distributionId,
+ DistributionStatusEnum.DOWNLOAD_ERROR,
+ downloadResult.getDistributionMessageResult (),
+ System.currentTimeMillis ());
+
+ throw new ASDCDownloadException ("Artifact " + artifact.getArtifactName ()
+ + " could not be downloaded from ASDC URL "
+ + artifact.getArtifactURL ()
+ + UUID_PARAM
+ + artifact.getArtifactUUID ()
+ + ")"
+ + System.lineSeparator ()
+ + "Error message is "
+ + downloadResult.getDistributionMessageResult ()
+ + System.lineSeparator ());
+
+ }
+
+ this.sendASDCNotification (NotificationType.DOWNLOAD,
+ artifact.getArtifactURL (),
+ asdcConfig.getConsumerID (),
+ distributionId,
+ DistributionStatusEnum.DOWNLOAD_OK,
+ null,
+ System.currentTimeMillis ());
+ return downloadResult;
+
+ }
+
+
+ private void sendDeployNotificationsForResource(VfResourceStructure vfResourceStructure,DistributionStatusEnum distribStatus, String errorReason) {
+
+ for (IArtifactInfo artifactInfo : vfResourceStructure.getResourceInstance().getArtifacts()) {
+
+ if (DistributionStatusEnum.DEPLOY_OK.equals(distribStatus)
+ // This could be NULL if the artifact is a VF module artifact, this won't be present in the MAP
+ && vfResourceStructure.getArtifactsMapByUUID().get(artifactInfo.getArtifactUUID()) != null
+ && vfResourceStructure.getArtifactsMapByUUID().get(artifactInfo.getArtifactUUID()).getDeployedInDb() == 0) {
+ this.sendASDCNotification (NotificationType.DEPLOY,
+ artifactInfo.getArtifactURL (),
+ asdcConfig.getConsumerID (),
+ vfResourceStructure.getNotification().getDistributionID(),
+ DistributionStatusEnum.DEPLOY_ERROR,
+ "The artifact has not been used by the modules defined in the resource",
+ System.currentTimeMillis ());
+ } else {
+ this.sendASDCNotification (NotificationType.DEPLOY,
+ artifactInfo.getArtifactURL (),
+ asdcConfig.getConsumerID (),
+ vfResourceStructure.getNotification().getDistributionID(),
+ distribStatus,
+ errorReason,
+ System.currentTimeMillis ());
+ }
+ }
+ }
+
+ private void deployResourceStructure (VfResourceStructure resourceStructure) throws ArtifactInstallerException {
+
+ LOGGER.info (MessageEnum.ASDC_START_DEPLOY_ARTIFACT, resourceStructure.getResourceInstance().getResourceInstanceName(), resourceStructure.getResourceInstance().getResourceUUID(), "ASDC", "deployResourceStructure");
+ try {
+ String resourceType = resourceStructure.getResourceInstance().getResourceType();
+ String category = resourceStructure.getResourceInstance().getCategory();
+ if(resourceType.equals("VF") && !category.equalsIgnoreCase("Allotted Resource")){
+ resourceStructure.createVfModuleStructures();
+ }
+ resourceInstaller.installTheResource (resourceStructure);
+
+ } catch (ArtifactInstallerException e) {
+
+ sendDeployNotificationsForResource(resourceStructure,DistributionStatusEnum.DEPLOY_ERROR,e.getMessage());
+ throw e;
+ }
+
+ if (resourceStructure.isDeployedSuccessfully()) {
+ LOGGER.info (MessageEnum.ASDC_ARTIFACT_DEPLOY_SUC,
+ resourceStructure.getResourceInstance().getResourceName(),
+ resourceStructure.getResourceInstance().getResourceUUID(),
+ String.valueOf (resourceStructure.getVfModuleStructure().size()), "ASDC", "deployResourceStructure");
+ sendDeployNotificationsForResource(resourceStructure,DistributionStatusEnum.DEPLOY_OK ,null);
+ }
+
+ }
+
+ private enum NotificationType {
+ DOWNLOAD, DEPLOY
+ }
+
+ private void sendASDCNotification (NotificationType notificationType,
+ String artifactURL,
+ String consumerID,
+ String distributionID,
+ DistributionStatusEnum status,
+ String errorReason,
+ long timestamp) {
+
+ String event = "Sending " + notificationType.name ()
+ + "("
+ + status.name ()
+ + ")"
+ + " notification to ASDC for artifact:"
+ + artifactURL;
+
+ if (errorReason != null) {
+ event=event+"("+errorReason+")";
+ }
+ LOGGER.info (MessageEnum.ASDC_SEND_NOTIF_ASDC, notificationType.name (), status.name (), artifactURL, "ASDC", "sendASDCNotification");
+ LOGGER.debug (event);
+
+ long subStarttime = System.currentTimeMillis ();
+ String action = "";
+ try {
+ IDistributionStatusMessage message = new DistributionStatusMessage (artifactURL,
+ consumerID,
+ distributionID,
+ status,
+ timestamp);
+
+ switch (notificationType) {
+ case DOWNLOAD:
+ if (errorReason != null) {
+ this.distributionClient.sendDownloadStatus (message, errorReason);
+ } else {
+ this.distributionClient.sendDownloadStatus (message);
+ }
+ action = "sendDownloadStatus";
+ break;
+ case DEPLOY:
+ if (errorReason != null) {
+ this.distributionClient.sendDeploymentStatus (message, errorReason);
+ } else {
+ this.distributionClient.sendDeploymentStatus (message);
+ }
+ action = "sendDeploymentdStatus";
+ break;
+ default:
+ break;
+ }
+ } catch (RuntimeException e) {
+ // TODO: May be a list containing the unsent notification should be
+ // kept
+ LOGGER.warn (MessageEnum.ASDC_SEND_NOTIF_ASDC_EXEC, "ASDC", "sendASDCNotification", MsoLogger.ErrorCode.SchemaError, "RuntimeException - sendASDCNotification", e);
+ }
+ LOGGER.recordMetricEvent (subStarttime, MsoLogger.StatusCode.COMPLETE, MsoLogger.ResponseCode.Suc, "Successfully sent notification to ASDC", "ASDC", action, null);
+ }
+
+ public void treatNotification (INotificationData iNotif) {
+
+ int noOfArtifacts = 0;
+ for (IResourceInstance resource : iNotif.getResources ()) {
+ noOfArtifacts += resource.getArtifacts ().size ();
+ }
+ LOGGER.info (MessageEnum.ASDC_RECEIVE_CALLBACK_NOTIF,
+ String.valueOf (noOfArtifacts),
+ iNotif.getServiceUUID (), "ASDC", "treatNotification");
+
+ try {
+ LOGGER.debug(ASDCNotificationLogging.dumpASDCNotification(iNotif));
+ LOGGER.info(MessageEnum.ASDC_RECEIVE_SERVICE_NOTIF, iNotif.getServiceUUID(), "ASDC", "treatNotification");
+ this.changeControllerStatus(ASDCControllerStatus.BUSY);
+ // Process only the Resource artifacts in MSO
+ for (IResourceInstance resource : iNotif.getResources()) {
+
+ // We process only VNF(VF) and Network(VL) resources on MSO Side
+ // We process only VNF resource on MSO Side
+ if ("VF".equals(resource.getResourceType()) || "VL".equals(resource.getResourceType())) {
+ this.processResourceNotification(iNotif,resource);
+ }
+ }
+
+
+
+ } catch (RuntimeException e) {
+ LOGGER.error (MessageEnum.ASDC_GENERAL_EXCEPTION_ARG,
+ "Unexpected exception caught during the notification processing", "ASDC", "treatNotification", MsoLogger.ErrorCode.SchemaError, "RuntimeException in treatNotification",
+ e);
+ } finally {
+ this.changeControllerStatus (ASDCControllerStatus.IDLE);
+ }
+ }
+
+
+ private void processResourceNotification (INotificationData iNotif,IResourceInstance resource) {
+ // For each artifact, create a structure describing the VFModule in a ordered flat level
+ VfResourceStructure resourceStructure = new VfResourceStructure(iNotif,resource);
+
+ try {
+
+ if (!this.checkResourceAlreadyDeployed(resourceStructure)) {
+ for (IArtifactInfo artifact : resource.getArtifacts()) {
+
+ IDistributionClientDownloadResult resultArtifact = this.downloadTheArtifact(artifact,
+ iNotif.getDistributionID());
+
+ if (resultArtifact != null) {
+ if (ASDCConfiguration.VF_MODULES_METADATA.equals(artifact.getArtifactType())) {
+ LOGGER.debug("VF_MODULE_ARTIFACT: "+new String(resultArtifact.getArtifactPayload(),"UTF-8"));
+ LOGGER.debug(ASDCNotificationLogging.dumpVfModuleMetaDataList(resourceStructure.decodeVfModuleArtifact(resultArtifact.getArtifactPayload())));
+ }
+ resourceStructure.addArtifactToStructure(distributionClient,artifact, resultArtifact);
+
+ }
+
+ }
+
+ this.deployResourceStructure(resourceStructure);
+
+ }
+ } catch (ArtifactInstallerException | ASDCDownloadException | UnsupportedEncodingException e) {
+ LOGGER.error(MessageEnum.ASDC_GENERAL_EXCEPTION_ARG,
+ "Exception caught during Installation of artifact", "ASDC", "processResourceNotification", MsoLogger.ErrorCode.BusinessProcesssError, "Exception in processResourceNotification", e);
+ }
+ }
+
+ private static final String UNKNOWN="Unknown";
+
+ /**
+ * @return the address of the ASDC we are connected to.
+ */
+ public String getAddress () {
+ if (asdcConfig != null) {
+ return asdcConfig.getAsdcAddress ();
+ }
+ return UNKNOWN;
+ }
+
+ /**
+ * @return the environment name of the ASDC we are connected to.
+ */
+ public String getEnvironment () {
+ if (asdcConfig != null) {
+ return asdcConfig.getEnvironmentName ();
+ }
+ return UNKNOWN;
+ }
+
+}