Unity3d Build in Jenkins

Installations

• Install Jenkins: https://www.jenkins.io/download/lts/macos/

• brew services restart jenkins-lts

• After starting the Jenkins service, browse to http://localhost:8080

• Install Jenkins Plugins

  • Unity3d
  • Generic Webhook Trigger Plugin

• Install ngrok to expose a local web server to the internet

Jenkins + Webhook Integration

• Start ngrok via ngrok http 8080

• 

• Set webhook in github

Automated Unity Build in iOS

Create an editor method in Unity that does the iOS building

using UnityEditor;
using System.Collections.Generic;

class ExportTool {
    static void ExportXcodeProject() {

        EditorUserBuildSettings.SwitchActiveBuildTarget(BuildTarget.iOS);

        EditorUserBuildSettings.symlinkLibraries = true;
        EditorUserBuildSettings.development = true;
        EditorUserBuildSettings.allowDebugging = true;

        string[] args = System.Environment.GetCommandLineArgs();
        string buildType = "";
        for (int i = 0; i < args.Length; i++) {
            if (args[i] == "-buildType") {
                buildType = args[i + 1];
                if (buildType == "Debug") {
                    EditorUserBuildSettings.iOSBuildConfigType = iOSBuildType.Debug;
                } else {
                    EditorUserBuildSettings.iOSBuildConfigType = iOSBuildType.Release;
                }
            }
        }

        List < string > scenes = new List < string > ();
        for (int i = 0; i < EditorBuildSettings.scenes.Length; i++) {
            if (EditorBuildSettings.scenes[i].enabled) {
                scenes.Add(EditorBuildSettings.scenes[i].path);
            }
        }

        BuildPipeline.BuildPlayer(scenes.ToArray(), "iOSProj", BuildTarget.iOS, BuildOptions.None);
    }
}

Parameters

File upload issue:

If i look in the workspace of the job, the file which was selected as a parameter hasn't bee uploaded into the workspace, this is the bug.

https://issues.jenkins.io/browse/JENKINS-47333

jenkins-infra/jenkins.io#2388

https://github.com/MarkEWaite/jenkins-bugs/blob/JENKINS-47333/Jenkinsfile#L11

Alternative solution: Added string parameter

Stages

    stages {
        stage('iOS Build') {
            steps {
              ...
            }
        }
        stage('iOS Archive & Update exportOptions.plist') {
            steps {
              ...
            }
        }

        stage('iOS iPA') {
            steps {
              ...
            }
        }
    }
    post {
        always {
            archiveArtifacts artifacts: 'outputFolder/**/*.*'
        }
        success {
            script {
              ...
            }
        }
    }
}

Additional Steps

ipa file is distributed via appcircle cli after successful build. Download appcircle cli -> https://github.com/appcircleio/appcircle-cli

Jenkins Stage View