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package org.onap.sdc.dcae.composition.impl;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.lang.StringUtils;
import org.onap.sdc.common.onaplog.enums.LogLevel;
import org.onap.sdc.common.onaplog.OnapLoggerDebug;
import org.onap.sdc.common.onaplog.OnapLoggerError;
import org.onap.sdc.dcae.client.ISdcClient;
import org.onap.sdc.dcae.composition.restmodels.CreateMcResponse;
import org.onap.sdc.dcae.composition.restmodels.ReferenceUUID;
import org.onap.sdc.dcae.composition.restmodels.VfcmtData;
import org.onap.sdc.dcae.composition.restmodels.sdc.*;
import org.onap.sdc.dcae.composition.util.DcaeBeConstants;
import org.onap.sdc.dcae.composition.util.SystemProperties;
import org.onap.sdc.dcae.enums.AssetType;
import org.onap.sdc.dcae.enums.LifecycleOperationType;
import org.onap.sdc.dcae.errormng.ActionStatus;
import org.onap.sdc.dcae.errormng.DcaeException;
import org.onap.sdc.dcae.errormng.ErrConfMgr;
import org.onap.sdc.dcae.errormng.ResponseFormat;
import org.onap.sdc.dcae.utils.Normalizers;
import org.onap.sdc.dcae.utils.SdcRestClientUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.util.Base64Utils;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.function.Predicate;
import java.util.stream.Collectors;
import java.util.zip.ZipInputStream;
@Component
public class BaseBusinessLogic {
@Autowired
protected SystemProperties systemProperties;
@Autowired
protected ISdcClient sdcRestClient;
protected static OnapLoggerError errLogger = OnapLoggerError.getInstance();
protected static OnapLoggerDebug debugLogger = OnapLoggerDebug.getInstance();
protected static final String REVERTED_REF = "_reverted";
public ISdcClient getSdcRestClient() {
return sdcRestClient;
}
public SystemProperties getSystemProperties() {
return systemProperties;
}
void setSdcRestClient(ISdcClient sdcRestClient) {
this.sdcRestClient = sdcRestClient;
}
Artifact cloneArtifactToTarget(String userId, String targetId, String payload, Artifact artifactToClone, String requestId) throws JsonProcessingException {
Artifact cloned = SdcRestClientUtils.generateDeploymentArtifact(artifactToClone.getArtifactDescription(), artifactToClone.getArtifactName(), artifactToClone.getArtifactType(), artifactToClone.getArtifactLabel(), payload.getBytes());
return sdcRestClient.createResourceArtifact(userId, targetId, cloned, requestId);
}
public void undoRevert(String userId, String contextType, String serviceUuid, String vfiName, String revertedUuid, String requestId) {
sdcRestClient.updateExternalMonitoringReference(userId, contextType, serviceUuid, vfiName, revertedUuid.concat(REVERTED_REF), new ReferenceUUID(revertedUuid), requestId);
}
// 1810 US436244 Update MC table version representations and actions
void cloneArtifactsToRevertedMC(String userId, String vfcmtUuid, String revertedUuid, String requestId, boolean cloneComposition) throws JsonProcessingException {
List<String> exclude = new ArrayList<>();
exclude.add(DcaeBeConstants.Composition.fileNames.SVC_REF);
if(!cloneComposition) {
exclude.add(DcaeBeConstants.Composition.fileNames.COMPOSITION_YML);
}
ResourceDetailed sourceVfcmt = sdcRestClient.getResource(vfcmtUuid, requestId);
ResourceDetailed targetVfcmt = sdcRestClient.getResource(revertedUuid, requestId);
Map<String, Artifact> currentArtifacts = targetVfcmt.getArtifacts().stream().collect(Collectors.toMap(Artifact::getArtifactName, Function.identity()));
debugLogger.log(LogLevel.DEBUG,this.getClass().getName(), "latest MC version artifact names: {}", currentArtifacts.keySet());
Predicate<Artifact> predicate = p -> !exclude.contains(p.getArtifactName()) && (null == currentArtifacts.get(p.getArtifactName()) || !currentArtifacts.get(p.getArtifactName()).getArtifactChecksum().equals(p.getArtifactChecksum()));
List<Artifact> artifactsToClone = sourceVfcmt.getArtifacts().stream().filter(predicate).collect(Collectors.toList());
debugLogger.log(LogLevel.DEBUG,this.getClass().getName(), "submitted MC version artifacts to clone or overwrite on latest MC: {}", artifactsToClone.stream().map(Artifact::getArtifactName).collect(Collectors.toList()));
// clone source artifacts to target
if(!artifactsToClone.isEmpty()) {
checkVfcmtType(targetVfcmt);
checkUserIfResourceCheckedOut(userId, targetVfcmt);
if (isNeedToCheckOut(targetVfcmt.getLifecycleState())) {
targetVfcmt = sdcRestClient.changeResourceLifecycleState(userId, revertedUuid, LifecycleOperationType.CHECKOUT.name(), "checking out VFCMT before clone", requestId);
}
for (Artifact artifactToClone : artifactsToClone) {
String payload = sdcRestClient.getResourceArtifact(vfcmtUuid, artifactToClone.getArtifactUUID(), requestId);
cloneArtifactToTarget(userId, revertedUuid, payload, artifactToClone, currentArtifacts.get(artifactToClone.getArtifactName()), requestId);
}
}
// delete any target artifacts that do not match source artifacts
List<String> artifactsNames = sourceVfcmt.getArtifacts().stream().map(Artifact::getArtifactName).collect(Collectors.toList());
targetVfcmt.getArtifacts().stream().filter(p -> !artifactsNames.contains(p.getArtifactName())).forEach(a ->
sdcRestClient.deleteResourceArtifact(userId, revertedUuid, a.getArtifactUUID(), requestId)
);
}
private void cloneArtifactToTarget(String userId, String targetId, String payload, Artifact artifactToClone, Artifact artifactToOverride, String requestId) throws JsonProcessingException {
if (null != artifactToOverride) {
artifactToOverride.setDescription(artifactToOverride.getArtifactDescription());
artifactToOverride.setPayloadData(Base64Utils.encodeToString(payload.getBytes()));
sdcRestClient.updateResourceArtifact(userId, targetId, artifactToOverride, requestId);
} else {
cloneArtifactToTarget(userId, targetId, payload, artifactToClone, requestId);
}
}
Artifact findArtifactDataByArtifactName(ResourceDetailed vfcmt, String artifactName) {
if (null == vfcmt || null == vfcmt.getArtifacts()) {
return null;
}
return vfcmt.getArtifacts().stream()
.filter(p -> artifactName.equals(p.getArtifactName())).findAny().orElse(null);
}
Artifact findCdumpArtifactData(ResourceDetailed vfcmt) {
return findArtifactDataByArtifactName(vfcmt, DcaeBeConstants.Composition.fileNames.COMPOSITION_YML);
}
void rollBack(String userId, ResourceDetailed newVfcmt, String requestId) {
if (null != newVfcmt) {
try {
sdcRestClient.changeResourceLifecycleState(userId, newVfcmt.getUuid(), LifecycleOperationType.UNDO_CHECKOUT.getValue(), "DCAE rollback", requestId);
} catch (Exception e) {
errLogger.log(LogLevel.ERROR, this.getClass().getName(),"Failed rolling back Monitoring Component. ID:{}", newVfcmt.getUuid());
debugLogger.log(LogLevel.ERROR, this.getClass().getName(),"Failed rolling back Monitoring Component:{}", e);
}
}
}
CreateMcResponse buildVfcmtAndCdumpResponse(VfcmtData vfcmt, String cdumpPayload) throws IOException {
return new CreateMcResponse(vfcmt, new ObjectMapper().readValue(cdumpPayload, Object.class));
}
Artifact fetchCdump(ResourceDetailed vfcmt, String requestId) {
Artifact cdumpArtifactData = findCdumpArtifactData(vfcmt);
if (null != cdumpArtifactData) {
String cdumpPayload = sdcRestClient.getResourceArtifact(vfcmt.getUuid(), cdumpArtifactData.getArtifactUUID(), requestId);
cdumpArtifactData.setPayloadData(cdumpPayload);
}
return cdumpArtifactData;
}
String generateBlueprintFileName(String monitoringFlowType, String vfcmtName) {
return monitoringFlowType
.concat(".")
.concat(Normalizers.normalizeComponentName(vfcmtName))
.concat(".")
.concat(DcaeBeConstants.Composition.fileNames.EVENT_PROC_BP_YAML);
}
ResourceInstance findVfiOnService(ServiceDetailed service, String vfiName) {
if (null == service || null == service.getResources()) {
return null;
}
return service.getResources().stream()
.filter(p -> Normalizers.normalizeComponentInstanceName(vfiName).equals(Normalizers.normalizeComponentInstanceName(p.getResourceInstanceName()))).findAny().orElse(null);
}
String extractFlowTypeFromCdump(String cdump) {
return StringUtils.substringBetween(cdump,"\"flowType\":\"","\"");
}
public ResourceDetailed checkinVfcmt(String userId, String uuid, String requestId) {
return getSdcRestClient().changeResourceLifecycleState(userId, uuid, LifecycleOperationType.CHECKIN.name(), "checking in vfcmt" + uuid, requestId);
}
public ResourceDetailed checkoutVfcmt(String userId, String uuid, String requestId) {
return getSdcRestClient().changeResourceLifecycleState(userId, uuid, LifecycleOperationType.CHECKOUT.name(), null, requestId);
}
void checkUserIfResourceCheckedOut(String userId, Asset asset) {
if (DcaeBeConstants.LifecycleStateEnum.NOT_CERTIFIED_CHECKOUT == DcaeBeConstants.LifecycleStateEnum.findState(asset.getLifecycleState())) {
String lastUpdaterUserId = asset.getLastUpdaterUserId();
if (lastUpdaterUserId != null && !lastUpdaterUserId.equals(userId)) {
errLogger.log(LogLevel.ERROR, this.getClass().getName(), "User conflicts. Operation not allowed for user {} on resource checked out by {}", userId, lastUpdaterUserId);
ResponseFormat responseFormat = ErrConfMgr.INSTANCE.getResponseFormat(ActionStatus.USER_CONFLICT, null, userId, asset.getName(), lastUpdaterUserId);
throw new DcaeException(HttpStatus.FORBIDDEN, responseFormat.getRequestError());
}
}
}
boolean isNeedToCheckOut(String lifecycleState) {
return DcaeBeConstants.LifecycleStateEnum.NOT_CERTIFIED_CHECKOUT != DcaeBeConstants.LifecycleStateEnum.findState(lifecycleState);
}
void checkVfcmtType(ResourceDetailed vfcmt) {
if (AssetType.VFCMT != getValidAssetTypeOrNull(vfcmt.getResourceType()) || !"Template".equals(vfcmt.getCategory())) {
ResponseFormat responseFormat = ErrConfMgr.INSTANCE.getResponseFormat(ActionStatus.RESOURCE_NOT_VFCMT_ERROR, null, vfcmt.getUuid());
throw new DcaeException(HttpStatus.BAD_REQUEST, responseFormat.getRequestError());
}
}
public AssetType getValidAssetTypeOrNull(String type) {
try {
return AssetType.getAssetTypeByName(type);
} catch (IllegalArgumentException e) {
debugLogger.log(LogLevel.ERROR, this.getClass().getName(), "invalid asset type: {}. Error: {}", type, e);
return null;
}
}
byte[] extractFile(ZipInputStream zis) throws IOException {
byte[] buffer = new byte[1024];
try (ByteArrayOutputStream os = new ByteArrayOutputStream()){
int len;
while ((len = zis.read(buffer)) > 0) {
os.write(buffer, 0, len);
}
return os.toByteArray();
}
}
}
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