Merging in bug fixes
[appc.git] / appc-dispatcher / appc-request-handler / appc-request-handler-core / src / main / java / org / openecomp / appc / requesthandler / impl / AbstractRequestValidatorImpl.java
diff --git a/appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/openecomp/appc/requesthandler/impl/AbstractRequestValidatorImpl.java b/appc-dispatcher/appc-request-handler/appc-request-handler-core/src/main/java/org/openecomp/appc/requesthandler/impl/AbstractRequestValidatorImpl.java
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+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : APPC
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Copyright (C) 2017 Amdocs
+ * =============================================================================
+ * 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.
+ * 
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.appc.requesthandler.impl;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import com.att.eelf.i18n.EELFResourceManager;
+import org.apache.commons.lang.ObjectUtils;
+import org.apache.commons.lang.StringUtils;
+import org.openecomp.appc.common.constant.Constants;
+import org.openecomp.appc.configuration.Configuration;
+import org.openecomp.appc.configuration.ConfigurationFactory;
+import org.openecomp.appc.domainmodel.lcm.CommonHeader;
+import org.openecomp.appc.domainmodel.lcm.RequestContext;
+import org.openecomp.appc.domainmodel.lcm.RuntimeContext;
+import org.openecomp.appc.domainmodel.lcm.VNFContext;
+import org.openecomp.appc.executor.UnstableVNFException;
+import org.openecomp.appc.executor.objects.UniqueRequestIdentifier;
+import org.openecomp.appc.i18n.Msg;
+import org.openecomp.appc.lifecyclemanager.LifecycleManager;
+import org.openecomp.appc.lifecyclemanager.objects.LifecycleException;
+import org.openecomp.appc.lifecyclemanager.objects.NoTransitionDefinedException;
+import org.openecomp.appc.logging.LoggingConstants;
+import org.openecomp.appc.logging.LoggingUtils;
+import org.openecomp.appc.requesthandler.LCMStateManager;
+import org.openecomp.appc.requesthandler.exceptions.*;
+import org.openecomp.appc.requesthandler.helper.RequestRegistry;
+import org.openecomp.appc.requesthandler.helper.RequestValidator;
+import org.openecomp.appc.workflow.WorkFlowManager;
+import org.openecomp.appc.workflow.objects.WorkflowExistsOutput;
+import org.openecomp.appc.workflow.objects.WorkflowRequest;
+import org.openecomp.sdnc.sli.SvcLogicContext;
+import org.openecomp.sdnc.sli.SvcLogicException;
+import org.openecomp.sdnc.sli.SvcLogicResource;
+import org.openecomp.sdnc.sli.aai.AAIService;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+import org.osgi.framework.ServiceReference;
+
+import java.time.Instant;
+import java.util.Calendar;
+import java.util.Date;
+
+public abstract class AbstractRequestValidatorImpl implements RequestValidator {
+
+    protected final EELFLogger logger = EELFManager.getInstance().getLogger(RequestValidatorImpl.class);
+    private final Configuration configuration = ConfigurationFactory.getConfiguration();
+    protected LifecycleManager lifecyclemanager;
+    protected LCMStateManager lcmStateManager;
+    private AAIService aaiService;
+    private WorkFlowManager workflowManager;
+    private RequestRegistry requestRegistry = new RequestRegistry();
+
+    protected static Calendar DateToCalendar(Date date) {
+        Calendar cal = Calendar.getInstance();
+        cal.setTime(date);
+        return cal;
+    }
+
+    public void setWorkflowManager(WorkFlowManager workflowManager) {
+        this.workflowManager = workflowManager;
+    }
+
+    public void setLcmStateManager(LCMStateManager lcmStateManager) {
+        this.lcmStateManager = lcmStateManager;
+    }
+
+    public void setRequestRegistry(RequestRegistry requestRegistry) {
+        this.requestRegistry = requestRegistry;
+    }
+
+    public abstract void validateRequest(RuntimeContext runtimeContext) throws VNFNotFoundException, RequestExpiredException, UnstableVNFException, InvalidInputException, DuplicateRequestException, NoTransitionDefinedException, LifecycleException, WorkflowNotFoundException, DGWorkflowNotFoundException, MissingVNFDataInAAIException, LCMOperationsDisabledException;
+
+    private boolean isValidTTL(String ttl) {
+        if (logger.isTraceEnabled()){
+            logger.trace("Entering to isValidTTL where ttl = "+ ObjectUtils.toString(ttl));
+        }
+        if (ttl == null || ttl.length() == 0) {
+            if (logger.isTraceEnabled()) {
+                logger.trace("Exiting from isValidTT with (result = "+ ObjectUtils.toString(false)+")");
+            }
+            return false;
+        }
+        try {
+            Integer i = Integer.parseInt(ttl);
+            if (logger.isTraceEnabled()) {
+                logger.trace("Exiting from isValidTTL with (result = "+ ObjectUtils.toString(i > 0)+")");
+            }
+            return (i > 0);
+        } catch (NumberFormatException e) {
+            if (logger.isTraceEnabled()) {
+                logger.trace("Exiting from isValidTTL with (result = "+ ObjectUtils.toString(false)+")");
+            }
+            return false;
+        }
+    }
+
+    protected void getAAIservice() {
+        BundleContext bctx = FrameworkUtil.getBundle(AAIService.class).getBundleContext();
+        // Get AAIadapter reference
+        ServiceReference sref = bctx.getServiceReference(AAIService.class.getName());
+        if (sref != null) {
+            logger.info("AAIService from bundlecontext");
+            aaiService = (AAIService) bctx.getService(sref);
+
+        } else {
+            logger.info("AAIService error from bundlecontext");
+            logger.warn("Cannot find service reference for org.openecomp.sdnc.sli.aai.AAIService");
+
+        }
+    }
+
+    protected VNFContext queryAAI(String vnfId) throws VNFNotFoundException, MissingVNFDataInAAIException {
+        SvcLogicContext ctx = new SvcLogicContext();
+        ctx = getVnfdata(vnfId, "vnf", ctx);
+
+        VNFContext vnfContext = new VNFContext();
+        populateVnfContext(vnfContext, ctx);
+
+        return vnfContext;
+    }
+
+    protected void queryWFM(VNFContext vnfContext, RequestContext requestContext) throws WorkflowNotFoundException,DGWorkflowNotFoundException {
+
+        checkWorkflowExists(vnfContext, requestContext);
+    }
+
+    private void checkWorkflowExists(VNFContext vnfContext, RequestContext requestContext) throws WorkflowNotFoundException,DGWorkflowNotFoundException {
+
+        WorkflowExistsOutput workflowExistsOutput = workflowManager.workflowExists(getWorkflowQueryParams(vnfContext, requestContext));
+        if (!workflowExistsOutput.isMappingExist()) {
+            if (logger.isDebugEnabled()) {
+                logger.debug("WorkflowManager : Workflow not found for vnfType = " + vnfContext.getType() + ", version = " + vnfContext.getVersion() + ", command = " + requestContext.getAction().name());
+            }
+
+            LoggingUtils.logErrorMessage(
+                    LoggingConstants.TargetNames.WORKFLOW_MANAGER,
+                    EELFResourceManager.format(Msg.APPC_WORKFLOW_NOT_FOUND, vnfContext.getType(), requestContext.getAction().name()),
+                    this.getClass().getCanonicalName());
+
+
+            throw new WorkflowNotFoundException("Workflow not found for vnfType = " + vnfContext.getType() + ", command = " + requestContext.getAction().name(),vnfContext.getType(),requestContext.getAction().name());
+        }
+        if (!workflowExistsOutput.isDgExist()) {
+            if (logger.isDebugEnabled()) {
+                logger.debug("WorkflowManager : DG Workflow not found for vnfType = " + vnfContext.getType() + ", version = " + vnfContext.getVersion() + ", command = " + requestContext.getAction().name()+" "+workflowExistsOutput);
+            }
+
+
+            LoggingUtils.logErrorMessage(
+                    LoggingConstants.TargetNames.WORKFLOW_MANAGER,
+                    EELFResourceManager.format(Msg.APPC_WORKFLOW_NOT_FOUND, vnfContext.getType(), requestContext.getAction().name()),
+                    this.getClass().getCanonicalName());
+
+
+            throw new DGWorkflowNotFoundException("Workflow not found for vnfType = " + vnfContext.getType() + ", command = " + requestContext.getAction().name(),
+                    workflowExistsOutput.getWorkflowModule(),workflowExistsOutput.getWorkflowName(),workflowExistsOutput.getWorkflowVersion());
+        }
+    }
+
+    private void populateVnfContext(VNFContext vnfContext, SvcLogicContext ctx) throws MissingVNFDataInAAIException {
+        String vnfType = ctx.getAttribute("vnf.vnf-type");
+        String orchestrationStatus = ctx.getAttribute("vnf.orchestration-status");
+        if(StringUtils.isEmpty(vnfType)){
+            throw new MissingVNFDataInAAIException("vnf-type");
+        }
+        else if(StringUtils.isEmpty(orchestrationStatus)){
+            throw new MissingVNFDataInAAIException("orchestration-status");
+        }
+        vnfContext.setType(vnfType);
+        vnfContext.setStatus(orchestrationStatus);
+        vnfContext.setId(ctx.getAttribute("vnf.vnf-id"));
+    }
+
+    private WorkflowRequest getWorkflowQueryParams(VNFContext vnfContext, RequestContext requestContext) {
+
+        WorkflowRequest workflowRequest = new WorkflowRequest();
+        workflowRequest.setVnfContext(vnfContext);
+        workflowRequest.setRequestContext(requestContext);
+        if (logger.isTraceEnabled()) {
+            logger.trace("Exiting from etWorkflowQueryParams with (WorkflowRequest = "+ ObjectUtils.toString(workflowRequest)+")");
+        }
+        return workflowRequest;
+    }
+
+    protected void checkForDuplicateRequest(CommonHeader header) throws DuplicateRequestException {
+        if (logger.isTraceEnabled()) {
+            logger.trace("Entering to checkForDuplicateRequest with RequestHeader = "+ ObjectUtils.toString(header));
+        }
+
+        UniqueRequestIdentifier requestIdentifier = new UniqueRequestIdentifier(header.getOriginatorId(), header.getRequestId(), header.getSubRequestId());
+        boolean requestAccepted = requestRegistry.registerRequest(requestIdentifier);
+        if (!requestAccepted) {
+            if (logger.isDebugEnabled()) {
+                logger.debug("Duplicate Request with " + requestIdentifier);
+            }
+            throw new DuplicateRequestException("Duplicate Request with " + requestIdentifier);
+        }
+    }
+
+    protected Integer readTTL(CommonHeader header) {
+        if (logger.isTraceEnabled()) {
+            logger.trace("Entering to readTTL with RequestHandlerInput = "+ ObjectUtils.toString(header));
+        }
+        if (header.getFlags()== null || !isValidTTL(String.valueOf(header.getFlags().getTtl()))) {
+            String defaultTTLStr = configuration.getProperty("org.openecomp.appc.workflow.default.ttl", String.valueOf(Constants.DEFAULT_TTL));
+            return Integer.parseInt(defaultTTLStr);
+        }
+        if (logger.isTraceEnabled()) {
+            logger.trace("Exiting from readTTL with (TTL = "+  ObjectUtils.toString(header.getFlags().getTtl())+")");
+        }
+        return header.getFlags().getTtl();
+    }
+
+    private SvcLogicContext getVnfdata(String vnf_id, String prefix, SvcLogicContext ctx) throws VNFNotFoundException {
+        if (logger.isTraceEnabled()) {
+            logger.trace("Entering to getVnfdata with vnfid = "+ ObjectUtils.toString(vnf_id) + ", prefix = "+ ObjectUtils.toString(prefix)+ ", SvcLogicContext"+ ObjectUtils.toString(ctx));
+        }
+
+        String key = "vnf-id = '" + vnf_id + "'";
+        logger.debug("inside getVnfdata=== " + key);
+        try {
+            Instant beginTimestamp = Instant.now();
+            SvcLogicResource.QueryStatus response = aaiService.query("generic-vnf", false, null, key, prefix, null, ctx);
+            Instant endTimestamp = Instant.now();
+            String status = SvcLogicResource.QueryStatus.SUCCESS.equals(response) ? LoggingConstants.StatusCodes.COMPLETE : LoggingConstants.StatusCodes.ERROR;
+            LoggingUtils.logMetricsMessage(
+                    beginTimestamp,
+                    endTimestamp,
+                    LoggingConstants.TargetNames.AAI,
+                    LoggingConstants.TargetServiceNames.AAIServiceNames.QUERY,
+                    status,
+                    "",
+                    response.name(),
+                    this.getClass().getCanonicalName());
+            if (SvcLogicResource.QueryStatus.NOT_FOUND.equals(response)) {
+                throw new VNFNotFoundException("VNF not found for vnf_id = " + vnf_id);
+            } else if (SvcLogicResource.QueryStatus.FAILURE.equals(response)) {
+                throw new RuntimeException("Error Querying AAI with vnfID = " + vnf_id);
+            }
+            logger.info("AAIResponse: " + response.toString());
+        } catch (SvcLogicException e) {
+
+            LoggingUtils.logErrorMessage(
+                    LoggingConstants.TargetServiceNames.AAIServiceNames.GET_VNF_DATA,
+                    "Error in getVnfdata" + e,
+                    this.getClass().getCanonicalName());
+
+            throw new RuntimeException(e);
+        }
+        if (logger.isTraceEnabled()) {
+            logger.trace("Exiting from getVnfdata with (SvcLogicContext = "+ ObjectUtils.toString(ctx)+")");
+        }
+        return ctx;
+    }
+
+    protected void validateInput(RequestContext requestContext)
+            throws RequestExpiredException, InvalidInputException, DuplicateRequestException {
+        if (logger.isTraceEnabled()){
+            logger.trace("Entering to validateInput with RequestHandlerInput = "+ ObjectUtils.toString(requestContext));
+        }
+        if (requestContext.getActionIdentifiers().getVnfId() == null || requestContext.getAction() == null
+                || requestContext.getActionIdentifiers().getVnfId().length() == 0 || requestContext.getAction().name().length() == 0 ||
+                null == requestContext.getCommonHeader().getApiVer()) {
+            if (logger.isDebugEnabled()) {
+                logger.debug("vnfID = " + requestContext.getActionIdentifiers().getVnfId() + ", action = " + requestContext.getAction().name());
+            }
+
+            LoggingUtils.logErrorMessage(
+                    LoggingConstants.TargetNames.REQUEST_VALIDATOR,
+                    EELFResourceManager.format(Msg.APPC_INVALID_INPUT),
+                    this.getClass().getCanonicalName());
+
+            throw new InvalidInputException("vnfID or command is null");
+        }
+        CommonHeader commonHeader = requestContext.getCommonHeader();
+
+        checkForDuplicateRequest(commonHeader);
+
+        Calendar inputTimeStamp = DateToCalendar(Date.from(commonHeader.getTimeStamp()));
+        Calendar currentTime = Calendar.getInstance();
+
+        // If input timestamp is of future, we reject the request
+        if (inputTimeStamp.getTime().getTime() > currentTime.getTime().getTime()) {
+            if (logger.isDebugEnabled()) {
+                logger.debug("Input Timestamp is of future = " + inputTimeStamp.getTime());
+            }
+            throw new InvalidInputException("Input Timestamp is of future = " + inputTimeStamp.getTime());
+        }
+        Integer ttl = readTTL(commonHeader);
+        logger.debug("TTL value set to (seconds) : " + ttl);
+        inputTimeStamp.add(Calendar.SECOND, ttl);
+        if (currentTime.getTime().getTime() >= inputTimeStamp.getTime().getTime()) {
+
+            LoggingUtils.logErrorMessage(
+                    LoggingConstants.TargetNames.REQUEST_VALIDATOR,
+                    "TTL Expired: Current time - " + currentTime.getTime().getTime() + " Request time: " + inputTimeStamp.getTime().getTime() + " with TTL value: " + ttl,
+                    this.getClass().getCanonicalName());
+
+            throw new RequestExpiredException("TTL Expired");
+        }
+        if (logger.isDebugEnabled()) {
+            logger.debug("Validation of the request is successful");
+        }
+    }
+}