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authorramverma <ram.krishna.verma@ericsson.com>2018-09-05 17:19:10 +0100
committerramverma <ram.krishna.verma@ericsson.com>2018-09-06 19:43:24 +0100
commit905324b15dd1a3e80397d514aa22873703d8f239 (patch)
tree0ff866aa2cd73b2505e699a44ee54234aa0fad7b /plugins/reception-plugins/src/main
parent9d3612f325ae52e41a0a6d9e794b42e98305d7ec (diff)
Adding code for handling notifications from SDC
Change-Id: I45f28cbce8defead5e1f43ed81fa5ea6a2b2208b Issue-ID: POLICY-974 Signed-off-by: ramverma <ram.krishna.verma@ericsson.com>
Diffstat (limited to 'plugins/reception-plugins/src/main')
-rw-r--r--plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcNotificationCallBack.java45
-rw-r--r--plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java119
-rw-r--r--plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/exceptions/ArtifactDownloadException.java (renamed from plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/exceptions/PssdDownloadException.java)6
3 files changed, 117 insertions, 53 deletions
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcNotificationCallBack.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcNotificationCallBack.java
deleted file mode 100644
index 0ea57799..00000000
--- a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcNotificationCallBack.java
+++ /dev/null
@@ -1,45 +0,0 @@
-/*-
- * ============LICENSE_START=======================================================
- * Copyright (C) 2018 Ericsson. 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.
- *
- * SPDX-License-Identifier: Apache-2.0
- * ============LICENSE_END=========================================================
- */
-
-package org.onap.policy.distribution.reception.handling.sdc;
-
-import org.onap.policy.common.logging.flexlogger.FlexLogger;
-import org.onap.policy.common.logging.flexlogger.Logger;
-import org.onap.sdc.api.consumer.INotificationCallback;
-import org.onap.sdc.api.notification.INotificationData;
-
-/**
- * Class to provide an implementation of INotificationCallback interface for receiving the incoming distribution
- * notifications from SDC.
- *
- * @author Ram Krishna Verma (ram.krishna.verma@ericsson.com)
- */
-public class SdcNotificationCallBack implements INotificationCallback {
-
- private static final Logger LOGGER = FlexLogger.getLogger(SdcNotificationCallBack.class);
-
- @Override
- public void activateCallback(final INotificationData notificationData) {
-
- LOGGER.debug("Got the message from SDC:" + notificationData.getDistributionID());
- // Code for handling notification will come here
- }
-
-}
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java
index f0f9e20d..f2d8aa4d 100644
--- a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/SdcReceptionHandler.java
@@ -20,13 +20,26 @@
package org.onap.policy.distribution.reception.handling.sdc;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
import org.onap.policy.common.logging.flexlogger.FlexLogger;
import org.onap.policy.common.logging.flexlogger.Logger;
import org.onap.policy.common.parameters.ParameterService;
+import org.onap.policy.distribution.model.Csar;
import org.onap.policy.distribution.reception.decoding.PluginInitializationException;
import org.onap.policy.distribution.reception.decoding.PluginTerminationException;
+import org.onap.policy.distribution.reception.decoding.PolicyDecodingException;
import org.onap.policy.distribution.reception.handling.AbstractReceptionHandler;
+import org.onap.policy.distribution.reception.handling.sdc.exceptions.ArtifactDownloadException;
import org.onap.sdc.api.IDistributionClient;
+import org.onap.sdc.api.consumer.INotificationCallback;
+import org.onap.sdc.api.notification.IArtifactInfo;
+import org.onap.sdc.api.notification.INotificationData;
+import org.onap.sdc.api.results.IDistributionClientDownloadResult;
import org.onap.sdc.api.results.IDistributionClientResult;
import org.onap.sdc.impl.DistributionClientFactory;
import org.onap.sdc.utils.DistributionActionResultEnum;
@@ -34,9 +47,10 @@ import org.onap.sdc.utils.DistributionActionResultEnum;
/**
* Handles reception of inputs from ONAP Service Design and Creation (SDC) from which policies may be decoded.
*/
-public class SdcReceptionHandler extends AbstractReceptionHandler {
+public class SdcReceptionHandler extends AbstractReceptionHandler implements INotificationCallback {
private static final Logger LOGGER = FlexLogger.getLogger(SdcReceptionHandler.class);
+
private SdcReceptionHandlerStatus sdcReceptionHandlerStatus = SdcReceptionHandlerStatus.STOPPED;
private SdcReceptionHandlerConfigurationParameterGroup handlerParameters;
private IDistributionClient distributionClient;
@@ -68,12 +82,21 @@ public class SdcReceptionHandler extends AbstractReceptionHandler {
LOGGER.debug("SDC Client is stopped successfully");
}
+ @Override
+ public void activateCallback(final INotificationData notificationData) {
+ LOGGER.debug("Receieved the notification from SDC with ID: " + notificationData.getDistributionID());
+ changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.BUSY);
+ processCsarServiceArtifacts(notificationData);
+ changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.IDLE);
+ LOGGER.debug("Processed the notification from SDC with ID: " + notificationData.getDistributionID());
+ }
+
/**
* Method to change the status of this reception handler instance.
*
* @param newStatus the new status
*/
- protected synchronized final void changeSdcReceptionHandlerStatus(final SdcReceptionHandlerStatus newStatus) {
+ private synchronized final void changeSdcReceptionHandlerStatus(final SdcReceptionHandlerStatus newStatus) {
switch (newStatus) {
case INIT:
case STOPPED:
@@ -110,7 +133,7 @@ public class SdcReceptionHandler extends AbstractReceptionHandler {
*/
private void initializeSdcClient() throws PluginInitializationException {
- LOGGER.debug("Going to initialize the SDC Client...");
+ LOGGER.debug("Initializing the SDC Client...");
if (sdcReceptionHandlerStatus != SdcReceptionHandlerStatus.STOPPED) {
final String message = "The SDC Client is already initialized";
LOGGER.error(message);
@@ -118,8 +141,7 @@ public class SdcReceptionHandler extends AbstractReceptionHandler {
}
final SdcConfiguration sdcConfig = new SdcConfiguration(handlerParameters);
distributionClient = createSdcDistributionClient();
- final IDistributionClientResult clientResult =
- distributionClient.init(sdcConfig, new SdcNotificationCallBack());
+ final IDistributionClientResult clientResult = distributionClient.init(sdcConfig, this);
if (!clientResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.STOPPED);
final String message =
@@ -150,4 +172,91 @@ public class SdcReceptionHandler extends AbstractReceptionHandler {
LOGGER.debug("SDC Client is started successfully");
this.changeSdcReceptionHandlerStatus(SdcReceptionHandlerStatus.IDLE);
}
+
+ /**
+ * Method to process csar service artifacts from incoming SDC notification.
+ *
+ * @param iNotif the notification from SDC
+ */
+ public void processCsarServiceArtifacts(final INotificationData iNotif) {
+ boolean artifactsProcessedSuccessfully = true;
+
+ for (final IArtifactInfo artifact : iNotif.getServiceArtifacts()) {
+ try {
+ final IDistributionClientDownloadResult resultArtifact = downloadTheArtifact(artifact);
+ final Path filePath = writeArtifactToFile(artifact, resultArtifact);
+ final Csar csarObject = new Csar(filePath.toString());
+ inputReceived(csarObject);
+ // send deploy success status to sdc
+ deleteArtifactFile(filePath);
+ } catch (final ArtifactDownloadException | PolicyDecodingException exp) {
+ LOGGER.error("Failed to process csar service artifacts ", exp);
+ artifactsProcessedSuccessfully = false;
+ // send deploy failed status to sdc
+ }
+ }
+ if (artifactsProcessedSuccessfully) {
+ // send final distribution success status to sdc
+ } else {
+ // send final distribution failed status to sdc
+ }
+ }
+
+ /**
+ * Method to download the distribution artifact.
+ *
+ * @param artifact the artifact
+ * @return the download result
+ * @throws ArtifactDownloadException if download fails
+ */
+ private IDistributionClientDownloadResult downloadTheArtifact(final IArtifactInfo artifact)
+ throws ArtifactDownloadException {
+
+ final IDistributionClientDownloadResult downloadResult = distributionClient.download(artifact);
+ if (!downloadResult.getDistributionActionResult().equals(DistributionActionResultEnum.SUCCESS)) {
+ final String message = "Failed to download artifact with name: " + artifact.getArtifactName();
+ LOGGER.error(message);
+ // send failure download status to sdc
+ throw new ArtifactDownloadException(message);
+ }
+ // send success download status to sdc
+ return downloadResult;
+ }
+
+ /**
+ * Method to write the downloaded distribution artifact to local file system.
+ *
+ * @param artifact the notification artifact
+ * @param resultArtifact the download result artifact
+ * @return the local path of written file
+ * @throws ArtifactDownloadException if error occurs while writing the artifact
+ */
+ private Path writeArtifactToFile(final IArtifactInfo artifact,
+ final IDistributionClientDownloadResult resultArtifact) throws ArtifactDownloadException {
+ try {
+ final byte[] payloadBytes = resultArtifact.getArtifactPayload();
+ final File tempArtifactFile = File.createTempFile(artifact.getArtifactName(), null);
+ try (FileOutputStream fileOutputStream = new FileOutputStream(tempArtifactFile)) {
+ fileOutputStream.write(payloadBytes, 0, payloadBytes.length);
+ return tempArtifactFile.toPath();
+ }
+ } catch (final Exception exp) {
+ final String message = "Failed to write artifact to local repository";
+ LOGGER.error(message, exp);
+ throw new ArtifactDownloadException(message, exp);
+ }
+ }
+
+ /**
+ * Method to delete the downloaded notification artifact from local file system.
+ *
+ * @param filePath the path of file
+ */
+ private void deleteArtifactFile(final Path filePath) {
+ try {
+ Files.deleteIfExists(filePath);
+ } catch (final IOException exp) {
+ LOGGER.error("Failed to delete the downloaded artifact file", exp);
+ }
+ }
}
diff --git a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/exceptions/PssdDownloadException.java b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/exceptions/ArtifactDownloadException.java
index 14c6b5ea..89f305fd 100644
--- a/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/exceptions/PssdDownloadException.java
+++ b/plugins/reception-plugins/src/main/java/org/onap/policy/distribution/reception/handling/sdc/exceptions/ArtifactDownloadException.java
@@ -24,7 +24,7 @@ package org.onap.policy.distribution.reception.handling.sdc.exceptions;
/**
* Exception during download from Pssd.
*/
-public class PssdDownloadException extends Exception {
+public class ArtifactDownloadException extends Exception {
/**
* serialization id.
@@ -36,7 +36,7 @@ public class PssdDownloadException extends Exception {
*
* @param message The message to dump
*/
- public PssdDownloadException (final String message) {
+ public ArtifactDownloadException (final String message) {
super (message);
}
@@ -47,7 +47,7 @@ public class PssdDownloadException extends Exception {
* @param message The message to dump
* @param e the exception that caused this exception to be thrown
*/
- public PssdDownloadException (final String message, final Exception e) {
+ public ArtifactDownloadException (final String message, final Exception e) {
super (message, e);
}