Setup Jenkinsfile for pipeline.

Jenkinsfile

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+node {
+
+  stage 'Checkout'
+
+    checkout scm
+
+  stage 'Acquire util'
+
+    sh 'mkdir -p bin'
+    dir('bin'){
+      git([ url: "https://github.internet2.edu/docker/util.git",
+          credentialsId: "jenkins-github-access-token" ])
+      sh 'ls'
+      sh 'mv bin/* .'
+    }
+
+  stage 'Build'
+    try{
+      def maintainer = maintainer()
+      def imagename = imagename()
+      def tag = env.BRANCH_NAME
+      if(!imagename){
+        echo "You must define an imagename in common.bash"
+        currentBuild.result = 'FAILURE'
+      }
+      if(maintainer){
+        echo "Building ${maintainer}:${tag} for ${maintainer}"
+      }
+
+      sh 'bin/build.sh &> debug'
+    } catch(error) {
+      def error_details = readFile('./debug');
+      def message = "BUILD ERROR: There was a problem building the Base Image. \n\n ${error_details}"
+      sh "rm -f ./debug"
+      handleError(message)
+    }
+  stage 'Tests'
+
+    sh 'bin/test.sh'
+
+  stage 'Push'
+
+    docker.withRegistry('https://registry.hub.docker.com/',   "dockerhub-$maintainer") {
+          def baseImg = docker.build("$maintainer/$imagename")
+          baseImg.push("$tag")
+    }
+
+
+}
+
+def maintainer() {
+  def matcher = readFile('common.bash') =~ 'maintainer="(.+)"'
+  matcher ? matcher[0][1] : 'tier'
+}
+
+def imagename() {
+  def matcher = readFile('common.bash') =~ 'imagename="(.+)"'
+  matcher ? matcher[0][1] : null
+}
+
+def handleError(String message){
+  echo "${message}"
+  currentBuild.setResult("FAILED")
+  slackSend color: 'danger', message: "${message}"
+  withCredentials([[$class: 'FileBinding', credentialsId: 'email-error-id', variable: 'EMAIL']]) {
+    step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: 'EMAIL', sendToIndividuals: true])
+  }
+  sh 'exit 1'
+}