jenkinsci/hpe-application-automation-tools-plugin

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src/main/java/com/microfocus/application/automation/tools/octane/model/CIEventCausesFactory.java

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/*
 * Certain versions of software accessible here may contain branding from Hewlett-Packard Company (now HP Inc.) and Hewlett Packard Enterprise Company.
 * This software was acquired by Micro Focus on September 1, 2017, and is now offered by OpenText.
 * Any reference to the HP and Hewlett Packard Enterprise/HPE marks is historical in nature, and the HP and Hewlett Packard Enterprise/HPE marks are the property of their respective owners.
 * __________________________________________________________________
 * MIT License
 *
 * Copyright 2012-2024 Open Text
 *
 * The only warranties for products and services of Open Text and
 * its affiliates and licensors ("Open Text") are as may be set forth
 * in the express warranty statements accompanying such products and services.
 * Nothing herein should be construed as constituting an additional warranty.
 * Open Text shall not be liable for technical or editorial errors or
 * omissions contained herein. The information contained herein is subject
 * to change without notice.
 *
 * Except as specifically indicated otherwise, this document contains
 * confidential information and a valid license is required for possession,
 * use or copying. If this work is provided to the U.S. Government,
 * consistent with FAR 12.211 and 12.212, Commercial Computer Software,
 * Computer Software Documentation, and Technical Data for Commercial Items are
 * licensed to the U.S. Government under vendor's standard commercial license.
 *
 * 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.
 * ___________________________________________________________________
 */

package com.microfocus.application.automation.tools.octane.model;

import com.hp.octane.integrations.dto.DTOFactory;
import com.hp.octane.integrations.dto.causes.CIEventCause;
import com.hp.octane.integrations.dto.causes.CIEventCauseType;
import com.microfocus.application.automation.tools.octane.configuration.SDKBasedLoggerProvider;
import com.microfocus.application.automation.tools.octane.model.processors.projects.JobProcessorFactory;
import com.microfocus.application.automation.tools.octane.tests.build.BuildHandlerUtils;
import hudson.model.Cause;
import hudson.model.InvisibleAction;
import hudson.model.Run;
import hudson.triggers.SCMTrigger;
import hudson.triggers.TimerTrigger;
import org.apache.logging.log4j.Logger;
import org.jenkinsci.plugins.workflow.actions.LabelAction;
import org.jenkinsci.plugins.workflow.cps.nodes.StepAtomNode;
import org.jenkinsci.plugins.workflow.cps.nodes.StepEndNode;
import org.jenkinsci.plugins.workflow.graph.FlowNode;
import org.jenkinsci.plugins.workflow.job.WorkflowRun;
import org.jenkinsci.plugins.workflow.steps.StepDescriptor;

import java.io.IOException;
import java.util.*;

/**
 * Causes Factory is a collection of static stateless methods to extract/traverse/transform causes chains of the runs
 * User: gullery
 * Date: 20/10/14
 */

public final class CIEventCausesFactory {
    private static final Logger logger = SDKBasedLoggerProvider.getLogger(CIEventCausesFactory.class);
    private static final DTOFactory dtoFactory = DTOFactory.getInstance();

    private CIEventCausesFactory() {
    }

    public static List<CIEventCause> processCauses(Run<?, ?> run) {
        if (run == null) {
            throw new IllegalArgumentException("run MUST NOT be null");
        }

        Map<String, CIEventCause> result = new LinkedHashMap();//LinkedHashMap - save order of insertion
        List<Cause> causes = run.getCauses();
        CIEventCause tmpResultCause;
        Cause.UserIdCause tmpUserCause;
        Cause.UpstreamCause tmpUpstreamCause;

        for (Cause cause : causes) {
            tmpResultCause = dtoFactory.newDTO(CIEventCause.class);
            if (cause instanceof SCMTrigger.SCMTriggerCause) {
                tmpResultCause.setType(CIEventCauseType.SCM);
                result.put(tmpResultCause.generateKey(), tmpResultCause);
            } else if (cause instanceof TimerTrigger.TimerTriggerCause) {
                tmpResultCause.setType(CIEventCauseType.TIMER);
                result.put(tmpResultCause.generateKey(), tmpResultCause);
            } else if (cause instanceof Cause.UserIdCause) {
                tmpUserCause = (Cause.UserIdCause) cause;
                tmpResultCause.setType(CIEventCauseType.USER);
                tmpResultCause.setUser(tmpUserCause.getUserId());
                result.put(tmpResultCause.generateKey(), tmpResultCause);
            } else if (cause instanceof Cause.UpstreamCause) {
                if("RebuildCause".equals(cause.getClass().getSimpleName())){
                    continue;//rebuild reason have upstream of previous build - its confusing octane.(Part of rebuild plugin)
                }
                tmpUpstreamCause = (Cause.UpstreamCause) cause;

                boolean succeededToBuildFlowCauses = false;
                Run upstreamRun = tmpUpstreamCause.getUpstreamRun();
                if (upstreamRun != null && JobProcessorFactory.WORKFLOW_RUN_NAME.equals(upstreamRun.getClass().getName())) {

                    //  for the child of the Workflow - break aside and calculate the causes chain of the stages
                    WorkflowRun rootWFRun = (WorkflowRun) upstreamRun;
                    if (rootWFRun.getExecution() != null && rootWFRun.getExecution().getCurrentHeads() != null) {
                        FlowNode enclosingNode = lookupJobEnclosingNode(run, rootWFRun);
                        if (enclosingNode != null) {
                            List<CIEventCause> flowCauses = processCauses(enclosingNode);
                            flowCauses.forEach(fc -> result.put(fc.generateKey(), fc));
                            succeededToBuildFlowCauses = true;
                        }
                    }
                }

                if (upstreamRun != null && !succeededToBuildFlowCauses) {
                    //  proceed with regular UPSTREAM calculation logic as usual
                    tmpResultCause.setType(CIEventCauseType.UPSTREAM);
                    tmpResultCause.setProject(resolveJobCiId(tmpUpstreamCause.getUpstreamProject()));
                    tmpResultCause.setBuildCiId(String.valueOf(tmpUpstreamCause.getUpstreamBuild()));
                    tmpResultCause.setCauses(processCauses(upstreamRun));
                    result.put(tmpResultCause.generateKey(), tmpResultCause);
                }
            } else { //  TODO: add support to Cause.RemoteCause execution in SDK/DTOs/Octane
                tmpResultCause.setType(CIEventCauseType.UNDEFINED);
                result.put(tmpResultCause.generateKey(), tmpResultCause);
            }
        }
        return new ArrayList<>(result.values());
    }

    public static List<CIEventCause> processCauses(FlowNode flowNode) {
        List<CIEventCause> causes = new LinkedList<>();
        processCauses(flowNode, causes, new LinkedHashSet<>(),new HashSet<>());
        return causes;
    }

    private static void processCauses(FlowNode flowNode, List<CIEventCause> causes, Set<FlowNode> startStagesToSkip,Set<FlowNode> visitedParents) {
        //  we reached the start of the flow - add WorkflowRun as an initial UPSTREAM cause
        if (flowNode.getParents().isEmpty() && !visitedParents.contains(flowNode)) {
            WorkflowRun parentRun = BuildHandlerUtils.extractParentRun(flowNode);
            CIEventCause cause = dtoFactory.newDTO(CIEventCause.class)
                    .setType(CIEventCauseType.UPSTREAM)
                    .setProject(BuildHandlerUtils.getJobCiId(parentRun))
                    .setBuildCiId(BuildHandlerUtils.getBuildCiId(parentRun))
                    .setCauses(CIEventCausesFactory.processCauses((parentRun)));
                visitedParents.add(flowNode);
                causes.add(cause);
        }

        //  if we are calculating causes for the END STEP - exclude it's own START STEP from calculation
        if (BuildHandlerUtils.isStageEndNode(flowNode)) {
            startStagesToSkip.add(((StepEndNode) flowNode).getStartNode());
        }

        for (FlowNode parent : flowNode.getParents()) {
            if (BuildHandlerUtils.isStageEndNode(parent)) {
                startStagesToSkip.add(((StepEndNode) parent).getStartNode());
                processCauses(parent, causes, startStagesToSkip,visitedParents);
            } else if (BuildHandlerUtils.isStageStartNode(parent)) {
                if (!startStagesToSkip.contains(parent) && !visitedParents.contains(parent)) {
                    visitedParents.add(parent);
                    CIEventCause cause = dtoFactory.newDTO(CIEventCause.class)
                            .setType(CIEventCauseType.UPSTREAM)
                            .setProject(parent.getDisplayName())
                            .setBuildCiId(String.valueOf(BuildHandlerUtils.extractParentRun(parent).getNumber()));
                    causes.add(cause);
                    processCauses(parent, cause.getCauses(), startStagesToSkip, visitedParents);
                } else if (startStagesToSkip.contains(parent)){
                    startStagesToSkip.remove(parent);
                    processCauses(parent, causes, startStagesToSkip, visitedParents);
                }
            } else {
                processCauses(parent, causes, startStagesToSkip, visitedParents);
            }
        }
    }

    private static String resolveJobCiId(String jobPlainName) {
        if (!jobPlainName.contains(",")) {
            return BuildHandlerUtils.translateFolderJobName(jobPlainName);
        }
        return jobPlainName;
    }

    private static FlowNode lookupJobEnclosingNode(Run targetRun, WorkflowRun parentRun) {
        if (parentRun.getExecution() == null) {
            return null;
        }

        FlowNode result = null;

        OctaneParentNodeAction octaneParentNodeAction = targetRun.getAction(OctaneParentNodeAction.class);
        if (octaneParentNodeAction != null) {
            //  finished event case - we do expect an action OctaneParentNodeAction to be present with the relevant info
            try {
                result = parentRun.getExecution().getNode(octaneParentNodeAction.parentFlowNodeId);
            } catch (IOException ioe) {
                logger.error("failed to extract parent flow node for " + targetRun, ioe);
            }
        } else {
            //  started event case - we expect a strict bond here since the parent FlowNode MUST be among the current heads
            //  the only case for potential break here is if the same JOB will be running concurrently by 2 distinct FlowNodes
            List<FlowNode> potentialAncestors = parentRun.getExecution().getCurrentHeads();
            if (potentialAncestors != null) {
                for (FlowNode head : potentialAncestors) {
                    if (head instanceof StepAtomNode && head.getAction(LabelAction.class) != null) {
                        StepDescriptor descriptor = ((StepAtomNode) head).getDescriptor();
                        LabelAction labelAction = head.getAction(LabelAction.class);
                        String label = labelAction != null ? labelAction.getDisplayName() : null;
                        if (descriptor != null && descriptor.getId().endsWith("BuildTriggerStep") &&
                                label != null && label.endsWith(targetRun.getParent().getFullDisplayName())) {
                            result = head;
                            targetRun.addAction(new OctaneParentNodeAction(result.getId()));
                            break;
                        }
                    }
                }
            }
        }

        return result;
    }

    private final static class OctaneParentNodeAction extends InvisibleAction {
        private final String parentFlowNodeId;

        private OctaneParentNodeAction(String parentFlowNodeId) {
            this.parentFlowNodeId = parentFlowNodeId;
        }
    }
}