Adding Jenkinsfile and dependencies for automated builds

Adding Jenfinsfile and dependencies for automated builds
of the TAP image.

Jenkinsfile

@@ -0,0 +1,103 @@
+pipeline {
+    agent any
+    environment { 
+        maintainer = "t"
+        imagename = 'g'
+        tag = 'l'
+        version='3.2.5'
+    }
+    stages {
+        stage('Setting build context') {
+            steps {
+                script {
+                    maintainer = maintain()
+                    imagename = imagename()
+                    version= registryversion()
+                    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'
+                     }
+                } 
+             }
+        }    
+        stage('Build and Push') {
+            steps {
+                script {
+                   docker.withRegistry('https://registry.hub.docker.com/',   "dockerhub-$maintainer") {
+                      def image_to_build
+                      def image_dir
+                      def build_arg
+
+                      image_to_build = "comanage-registry-base:$version-1"
+                      image_dir = 'comanage-registry-base'
+                      build_arg = '--no-cache ' +
+                                      "--build-arg COMANAGE_REGISTRY_VERSION=$version " +
+                                      "-f ./$image_dir/Dockerfile ./$image_dir"
+                      def base_image = docker.build("$image_to_build", "$build_arg")
+
+                      image_to_build = 'comanage-registry-internet2-tier-base:1'
+                      image_dir = 'comanage-registry-internet2-tier-base'
+                      build_arg = '--no-cache ' +
+                                      "-f ./$image_dir/Dockerfile ./$image_dir"
+                      def tap_base_image = docker.build("$image_to_build", "$build_arg")
+
+                      image_to_build = "$maintainer/$imagename"
+                      image_dir = 'comanage-registry-internet2-tier'
+                      build_arg = '--no-cache ' +
+                                      "--build-arg COMANAGE_REGISTRY_VERSION=$version " + 
+                                      "--build-arg COMANAGE_REGISTRY_BASE_IMAGE_VERSION=1 " +
+                                      "--build-arg COMANAGE_REGISTRY_I2_BASE_IMAGE_VERSION=1 " + 
+                                      "-f ./$image_dir/Dockerfile ./$image_dir"
+                      def tap_image = docker.build("$image_to_build", "$build_arg")
+                      tap_image.push("$tag")
+                   }
+               }
+            }
+        }
+        stage('Notify') {
+            steps{
+                echo "$maintainer"
+                slackSend color: 'good', message: "$maintainer/$imagename:$tag pushed to DockerHub"
+            }
+        }
+    }
+    post { 
+        always { 
+            echo 'In post.'
+        }
+        failure {
+            // slackSend color: 'good', message: "Build failed"
+            handleError("BUILD ERROR: There was a problem building ${maintainer}/${imagename}:${tag}.")
+        }
+    }
+}
+
+
+def maintain() {
+  def matcher = readFile('common.bash') =~ 'maintainer="(.+)"'
+  matcher ? matcher[0][1] : 'tier'
+}
+
+def imagename() {
+  def matcher = readFile('common.bash') =~ 'imagename="(.+)"'
+  matcher ? matcher[0][1] : null
+}
+
+def registryversion() {
+  def matcher = readFile('common.bash') =~ 'COMANAGE_REGISTRY_VERSION="(.+)"'
+  matcher ? matcher[0][1] : null
+}
+
+
+def handleError(String message){
+  echo "${message}"
+  currentBuild.setResult("FAILED")
+  slackSend color: 'danger', message: "${message}"
+  //step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: 'chubing@internet2.edu', sendToIndividuals: true])
+  sh 'exit 1'
+}

common.bash

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+maintainer="i2incommon"
+imagename="comanage-registry"
+COMANAGE_REGISTRY_VERSION="3.2.5"