adding Jenkinfile for automated builds

Jenkinsfile

@@ -0,0 +1,130 @@
+
+/** Builds images for the Grouper Training Env
+ *  Each class has a set of images. Each class's image sets are independent, but within 
+ *  a class each image builds upon the prior exercise. Therefore all images are built
+ *  first and then push to the repo. Order of the build is important, but ordering of the 
+ *  image pushes are not. If an image is missing the extra layers get pushed, then the
+ *  missing layers only get tagged when they are pushed.
+**/
+
+
+/** Each class has a set of modules with a set of steps. 
+ *  For examples, ex101.1.1, ex101.1.2, ex101.1.3, ex101.2.1, ex101.2.2, etc.
+ *  Each step is an image.
+ *  The exceriseSets has the class name and an array of the number of steps for module.     
+**/
+exceriseSets = [
+//    'ex101' : [3, 2],
+//    'ex201' : [2, 2, 5, 6],
+    'ex401' : [6, 9]
+]
+
+pipeline {
+    agent any
+    environment { 
+        maintainer = "t"
+        imagename = 'g'
+        tag = 'l'
+    }
+    stages {
+        stage('Setting build context') {
+            steps {
+                script {
+                    maintainer = maintain()
+                    imagename = imagename()
+/*                    if(env.BRANCH_NAME == "master") {
+                       tag = "latest"
+                    } else {
+                       tag = env.BRANCH_NAME
+                    }
+*/
+                    if(!imagename){
+                        echo "You must define an imagename in common.bash"
+                        currentBuild.result = 'FAILURE'
+                     }
+                    sh 'mkdir -p bin'
+                    sh 'mkdir -p tmp'
+                    dir('tmp'){
+                      git([ url: "https://github.internet2.edu/docker/util.git", credentialsId: "jenkins-github-access-token" ])
+                      sh 'ls'
+                      sh 'mv bin/* ../bin/.'
+                    }
+                }  
+             }
+        }    
+        stage('Clean') {
+            steps {
+                script {
+                   try{
+                     sh 'bin/destroy.sh >> debug'
+                   } catch(error) {
+                     def error_details = readFile('./debug');
+                     def message = "BUILD ERROR: There was a problem building the Base Image. \n\n ${error_details}"
+                     sh "rm -f ./debug"
+                     handleError(message)
+                   }
+                }
+            }
+        } 
+        stage('Build Base') {
+            steps {
+                script {
+                    docker.withRegistry('https://registry.hub.docker.com/',   "dockerhub-$maintainer") {
+                        def baseImg = docker.build("$maintainer/$imagename", "--no-cache --pull base")
+                        baseImg.push("base")
+                    }
+                }
+            }
+        }
+        stage('Build Others') {
+            steps {
+                script {
+                    docker.withRegistry('https://registry.hub.docker.com/',   "dockerhub-$maintainer") {
+                        def tagSet = generateTagSet()
+                        def builds = build(tagSet)
+
+                        if(env.BRANCH_NAME == "master") {
+                            push(builds)
+                        } else {
+                            echo 'skipping push, since the SCM branch is not master'
+                        }
+                    }
+                }
+            }
+        }
+        stage('Notify') {
+            steps{
+                echo "$maintainer"
+                slackSend color: 'good', message: "$maintainer/$imagename set pushed to DockerHub"
+            }
+        }
+    }
+    post { 
+        always { 
+            echo 'Done Building.'
+        }
+        failure {
+            // slackSend color: 'good', message: "Build failed"
+            handleError("BUILD ERROR: There was a problem building ${maintainer}/${imagename}:${tag}.")
+        }
+    }
+}
+
+
+def maintain() {
+  def matcher = readFile('common.bash') =~ 'maintainer="(.+)"'
+  matcher ? matcher[0][1] : 'tier'
+}
+
+def imagename() {
+  def matcher = readFile('common.bash') =~ 'imagename="(.+)"'
+  matcher ? matcher[0][1] : null
+}
+
+def handleError(String message){
+  echo "${message}"
+  currentBuild.setResult("FAILED")
+  slackSend color: 'danger', message: "${message}"
+  //step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: 'chubing@internet2.edu', sendToIndividuals: true])
+  sh 'exit 1'
+}

README.md

@@ -16,7 +16,7 @@ Browse to `https://localhost/grouper`
 
 ```
 docker run -d -p 80:80 -p 389:389 -p 443:443 -p 3306:3306 -p 4443:4443 \
-  --name grouper tier/grouper-training-env:exXXX
+  --name gte tier/grouper-training-env:exXXX
 ```
 
 Current tags: