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/*-
* ============LICENSE_START=======================================================
* ONAP CLAMP
* ================================================================================
* Copyright (C) 2019 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.onap.clamp.loop;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import java.io.IOException;
import java.util.HashSet;
import java.util.List;
import java.util.Map.Entry;
import org.json.simple.parser.ParseException;
import org.onap.clamp.clds.client.DcaeInventoryServices;
import org.onap.clamp.clds.client.PolicyEngineServices;
import org.onap.clamp.clds.exception.sdc.controller.BlueprintParserException;
import org.onap.clamp.clds.exception.sdc.controller.SdcArtifactInstallerException;
import org.onap.clamp.clds.model.dcae.DcaeInventoryResponse;
import org.onap.clamp.clds.sdc.controller.installer.BlueprintArtifact;
import org.onap.clamp.clds.sdc.controller.installer.BlueprintMicroService;
import org.onap.clamp.clds.sdc.controller.installer.BlueprintParser;
import org.onap.clamp.clds.sdc.controller.installer.ChainGenerator;
import org.onap.clamp.clds.sdc.controller.installer.CsarHandler;
import org.onap.clamp.clds.util.drawing.SvgFacade;
import org.onap.clamp.loop.service.CsarServiceInstaller;
import org.onap.clamp.loop.service.Service;
import org.onap.clamp.loop.template.LoopElementModel;
import org.onap.clamp.loop.template.LoopTemplate;
import org.onap.clamp.loop.template.LoopTemplatesRepository;
import org.onap.clamp.loop.template.PolicyModel;
import org.onap.clamp.loop.template.PolicyModelId;
import org.onap.clamp.loop.template.PolicyModelsRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
/**
* This class will be instantiated by spring config, and used by Sdc Controller.
* There is no state kept by the bean. It's used to deploy the csar/notification
* received from SDC in DB.
*/
@Component
@Qualifier("csarInstaller")
public class CsarInstaller {
private static final EELFLogger logger = EELFManager.getInstance().getLogger(CsarInstaller.class);
@Autowired
private PolicyModelsRepository policyModelsRepository;
@Autowired
private LoopTemplatesRepository loopTemplatesRepository;
@Autowired
private ChainGenerator chainGenerator;
@Autowired
private DcaeInventoryServices dcaeInventoryService;
@Autowired
private SvgFacade svgFacade;
@Autowired
private CsarServiceInstaller csarServiceInstaller;
@Autowired
private PolicyEngineServices policyEngineServices;
/**
* Verify whether Csar is deployed.
*
* @param csar The Csar Handler
* @return The flag indicating whether Csar is deployed
* @throws SdcArtifactInstallerException The SdcArtifactInstallerException
*/
public boolean isCsarAlreadyDeployed(CsarHandler csar) throws SdcArtifactInstallerException {
boolean alreadyInstalled = csarServiceInstaller.isServiceAlreadyDeployed(csar);
for (Entry<String, BlueprintArtifact> blueprint : csar.getMapOfBlueprints().entrySet()) {
alreadyInstalled = alreadyInstalled
&& loopTemplatesRepository.existsById(LoopTemplate.generateLoopTemplateName(
csar.getSdcNotification().getServiceName(), csar.getSdcNotification().getServiceVersion(),
blueprint.getValue().getResourceAttached().getResourceInstanceName(),
blueprint.getValue().getBlueprintArtifactName()));
}
return alreadyInstalled;
}
/**
* Install the service and loop templates from the csar.
*
* @param csar The Csar Handler
* @throws SdcArtifactInstallerException The SdcArtifactInstallerException
* @throws InterruptedException The InterruptedException
* @throws BlueprintParserException In case of issues with the blueprint
* parsing
*/
public void installTheCsar(CsarHandler csar)
throws SdcArtifactInstallerException, InterruptedException, BlueprintParserException {
logger.info("Installing the CSAR " + csar.getFilePath());
installTheLoopTemplates(csar, csarServiceInstaller.installTheService(csar));
logger.info("Successfully installed the CSAR " + csar.getFilePath());
}
/**
* Install the loop templates from the csar.
*
* @param csar The Csar Handler
* @param service The service object that is related to the loop
* @throws SdcArtifactInstallerException The SdcArtifactInstallerException
* @throws InterruptedException The InterruptedException
* @throws BlueprintParserException In case of issues with the blueprint
* parsing
*/
public void installTheLoopTemplates(CsarHandler csar, Service service)
throws SdcArtifactInstallerException, InterruptedException, BlueprintParserException {
try {
logger.info("Installing the Loops");
for (Entry<String, BlueprintArtifact> blueprint : csar.getMapOfBlueprints().entrySet()) {
logger.info("Processing blueprint " + blueprint.getValue().getBlueprintArtifactName());
loopTemplatesRepository.save(createLoopTemplateFromBlueprint(csar, blueprint.getValue(), service));
}
logger.info("Successfully installed the Loops ");
} catch (IOException e) {
throw new SdcArtifactInstallerException("Exception caught during the Loop installation in database", e);
} catch (ParseException e) {
throw new SdcArtifactInstallerException("Exception caught during the Dcae query to get ServiceTypeId", e);
}
}
private LoopTemplate createLoopTemplateFromBlueprint(CsarHandler csar, BlueprintArtifact blueprintArtifact,
Service service) throws IOException, ParseException, InterruptedException, BlueprintParserException {
LoopTemplate newLoopTemplate = new LoopTemplate();
newLoopTemplate.setBlueprint(blueprintArtifact.getDcaeBlueprint());
newLoopTemplate.setName(LoopTemplate.generateLoopTemplateName(csar.getSdcNotification().getServiceName(),
csar.getSdcNotification().getServiceVersion(),
blueprintArtifact.getResourceAttached().getResourceInstanceName(),
blueprintArtifact.getBlueprintArtifactName()));
List<BlueprintMicroService> microServicesChain = chainGenerator
.getChainOfMicroServices(BlueprintParser.getMicroServices(blueprintArtifact.getDcaeBlueprint()));
if (microServicesChain.isEmpty()) {
microServicesChain = BlueprintParser.fallbackToOneMicroService();
}
newLoopTemplate.setModelService(service);
newLoopTemplate.addLoopElementModels(createMicroServiceModels(microServicesChain));
newLoopTemplate.setMaximumInstancesAllowed(0);
newLoopTemplate.setSvgRepresentation(svgFacade.getSvgImage(microServicesChain));
DcaeInventoryResponse dcaeResponse = queryDcaeToGetServiceTypeId(blueprintArtifact);
newLoopTemplate.setDcaeBlueprintId(dcaeResponse.getTypeId());
return newLoopTemplate;
}
private HashSet<LoopElementModel> createMicroServiceModels(List<BlueprintMicroService> microServicesChain)
throws InterruptedException {
HashSet<LoopElementModel> newSet = new HashSet<>();
for (BlueprintMicroService microService : microServicesChain) {
LoopElementModel loopElementModel = new LoopElementModel(microService.getModelType(), "CONFIG_POLICY",
null);
newSet.add(loopElementModel);
loopElementModel.addPolicyModel(getPolicyModel(microService));
}
return newSet;
}
private static String createPolicyAcronym(String policyType) {
String[] policyNameArray = policyType.split("\\.");
return policyNameArray[policyNameArray.length - 1];
}
private PolicyModel createPolicyModel(BlueprintMicroService microService) throws InterruptedException {
return new PolicyModel(microService.getModelType(),
policyEngineServices.downloadOnePolicy(microService.getModelType(), microService.getModelVersion()),
microService.getModelVersion(), createPolicyAcronym(microService.getModelType()));
}
private PolicyModel getPolicyModel(BlueprintMicroService microService) throws InterruptedException {
return policyModelsRepository
.findById(new PolicyModelId(microService.getModelType(), microService.getModelVersion()))
.orElse(createPolicyModel(microService));
}
/**
* Get the service blueprint Id in the Dcae inventory using the SDC UUID.
*
* @return The DcaeInventoryResponse object containing the dcae values
*/
private DcaeInventoryResponse queryDcaeToGetServiceTypeId(BlueprintArtifact blueprintArtifact)
throws IOException, ParseException, InterruptedException {
return dcaeInventoryService.getDcaeInformation(blueprintArtifact.getBlueprintArtifactName(),
blueprintArtifact.getBlueprintInvariantServiceUuid(),
blueprintArtifact.getResourceAttached().getResourceInvariantUUID());
}
}
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