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/**
* ============LICENSE_START=======================================================
* Model Loader
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* 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=========================================================
*
* ECOMP and OpenECOMP are trademarks
* and service marks of AT&T Intellectual Property.
*/
package org.openecomp.modelloader.entity.model;
import com.sun.jersey.api.client.ClientResponse;
import org.openecomp.cl.api.Logger;
import org.openecomp.cl.eelf.LoggerFactory;
import org.openecomp.modelloader.config.ModelLoaderConfig;
import org.openecomp.modelloader.entity.Artifact;
import org.openecomp.modelloader.entity.ArtifactHandler;
import org.openecomp.modelloader.entity.ArtifactType;
import org.openecomp.modelloader.restclient.AaiRestClient;
import org.openecomp.modelloader.service.ModelLoaderMsgs;
import org.w3c.dom.Node;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;
import javax.ws.rs.core.Response;
import javax.xml.transform.OutputKeys;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
public class ModelArtifactHandler extends ArtifactHandler {
private static final String AAI_MODEL_VER = "/model-vers/model-ver";
private static Logger logger = LoggerFactory.getInstance().getLogger(ArtifactHandler.class.getName());
public ModelArtifactHandler(ModelLoaderConfig config) {
super(config);
}
@Override
public boolean pushArtifacts(List<Artifact> artifacts, String distributionID) {
ModelSorter modelSorter = new ModelSorter();
List<Artifact> sortedModelArtifacts = modelSorter.sort(artifacts);
// Push the ordered list of model artifacts to A&AI. If one fails, we need to roll back
// the changes.
List<ModelArtifact> completedModels = new ArrayList<ModelArtifact>();
AaiRestClient aaiClient = new AaiRestClient(config);
for (Artifact art : sortedModelArtifacts) {
ModelArtifact model = (ModelArtifact)art;
boolean version = model.isV9Artifact();
//Non - V9 version for models
if(version == false){
ClientResponse getResponse = aaiClient.getResource(getModelVerURL(model), distributionID, AaiRestClient.MimeType.XML);
if ( (getResponse == null) || (getResponse.getStatus() != Response.Status.OK.getStatusCode()) ) {
logger.error(ModelLoaderMsgs.DISTRIBUTION_EVENT_ERROR, " Artifact format not valid for " +
model.getType().toString() + "- model-invariant-id[model-id]: " +
model.getModelInvariantId() + " and model-version-id[model-name-version-id]: "+
model.getModelVerId()+ " . Rolling back distribution.");
return false;
}
else{
completedModels.add(model);
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, model.getType().toString() +
" " + model.getModelInvariantId() + " successfully ingested.");
}
}
else
{
ClientResponse getResponse = aaiClient.getResource(getURL(model), distributionID, AaiRestClient.MimeType.XML);
if ( (getResponse == null) || (getResponse.getStatus() != Response.Status.OK.getStatusCode()) ) {
// Only attempt the PUT if the model doesn't already exist
ClientResponse putResponse = aaiClient.putResource(getURL(model), model.getPayload(), distributionID, AaiRestClient.MimeType.XML);
if ( (putResponse != null) && (putResponse.getStatus() == Response.Status.CREATED.getStatusCode()) ) {
completedModels.add(model);
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, model.getType().toString() +
" " + model.getModelInvariantId() + " successfully ingested.");
}
else {
logger.error(ModelLoaderMsgs.DISTRIBUTION_EVENT_ERROR, "Ingestion failed for " +
model.getType().toString() + " " + model.getModelInvariantId() + ". Rolling back distribution.");
for (ModelArtifact modelToDelete : completedModels) {
// Best effort to delete. Nothing we can do in the event this fails.
aaiClient.getAndDeleteResource(getURL(modelToDelete), distributionID);
}
return false;
}
}
else {
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, model.getType().toString() + " " + model.getModelInvariantId() +
" already exists. Skipping ingestion.");
getResponse = aaiClient.getResource(getModelVerURL(model), distributionID, AaiRestClient.MimeType.XML);
if ( (getResponse == null) || (getResponse.getStatus() != Response.Status.OK.getStatusCode()) ) {
// Only attempt the PUT if the model-ver doesn't already exist
ClientResponse putResponse = null;
try {
putResponse = aaiClient.putResource(getModelVerURL(model), nodeToString(model.getModelVer()), distributionID, AaiRestClient.MimeType.XML);
} catch (TransformerException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if ( (putResponse != null) && (putResponse.getStatus() == Response.Status.CREATED.getStatusCode()) ) {
completedModels.add(model);
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, model.getType().toString() + " " +
model.getNameVersionId() + " successfully ingested.");
}
else {
logger.error(ModelLoaderMsgs.DISTRIBUTION_EVENT_ERROR, "Ingestion failed for " +
model.getType().toString() + " " + model.getNameVersionId() + ". Rolling back distribution.");
for (ModelArtifact modelToDelete : completedModels) {
// Best effort to delete. Nothing we can do in the event this fails.
aaiClient.getAndDeleteResource(getModelVerURL(modelToDelete), distributionID);
}
return false;
}
}
else {
logger.info(ModelLoaderMsgs.DISTRIBUTION_EVENT, model.getType().toString() + " " +
model.getModelInvariantId() + " already exists. Skipping ingestion.");
}
}
}
}
return true;
}
private String nodeToString(Node node) throws TransformerException {
StringWriter sw = new StringWriter();
Transformer t = TransformerFactory.newInstance().newTransformer();
t.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
t.transform(new DOMSource(node), new StreamResult(sw));
System.out.println(sw.toString());
return sw.toString();
}
private String getURL(ModelArtifact model) {
String baseURL = config.getAaiBaseUrl().trim();
String subURL = null;
String instance = null;
if (model.getType().equals(ArtifactType.MODEL)) {
subURL = config.getAaiModelUrl(model.getModelNamespaceVersion()).trim();
instance = model.getModelInvariantId();
}
else {
subURL = config.getAaiNamedQueryUrl(model.getModelNamespaceVersion()).trim();
instance = model.getNameVersionId();
}
if ( (!baseURL.endsWith("/")) && (!subURL.startsWith("/")) ) {
baseURL = baseURL + "/";
}
if ( baseURL.endsWith("/") && subURL.startsWith("/") ) {
baseURL = baseURL.substring(0, baseURL.length()-1);
}
if (!subURL.endsWith("/")) {
subURL = subURL + "/";
}
String url = baseURL + subURL + instance;
return url;
}
private String getModelVerURL(ModelArtifact model) {
String baseURL = config.getAaiBaseUrl().trim();
String subURL = null;
String instance = null;
if (model.getType().equals(ArtifactType.MODEL)) {
subURL = config.getAaiModelUrl(model.getModelNamespaceVersion()).trim() + model.getModelInvariantId() + AAI_MODEL_VER;
instance = model.getModelVerId();
}
else {
subURL = config.getAaiNamedQueryUrl(model.getModelNamespaceVersion()).trim();
instance = model.getNameVersionId();
}
if ( (!baseURL.endsWith("/")) && (!subURL.startsWith("/")) ) {
baseURL = baseURL + "/";
}
if ( baseURL.endsWith("/") && subURL.startsWith("/") ) {
baseURL = baseURL.substring(0, baseURL.length()-1);
}
if (!subURL.endsWith("/")) {
subURL = subURL + "/";
}
String url = baseURL + subURL + instance;
return url;
}
// This method is used for the test REST interface to load models without an ASDC
public void loadModelTest(byte[] payload) {
List<Artifact> modelArtifacts = new ArrayList<Artifact>();
ModelArtifactParser parser = new ModelArtifactParser();
modelArtifacts.addAll(parser.parse(payload, "Test-Artifact"));
ModelSorter modelSorter = new ModelSorter();
List<Artifact> sortedModelArtifacts = modelSorter.sort(modelArtifacts);
pushArtifacts(sortedModelArtifacts, "Test-Distribution");
}
}
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