QoL fixes for Jenkins

Jenkinsfile

@@ -0,0 +1,102 @@
+def notify(status){
+	emailext (
+		body: '$DEFAULT_CONTENT',
+		recipientProviders: [
+			[$class: 'CulpritsRecipientProvider'],
+			[$class: 'DevelopersRecipientProvider'],
+			[$class: 'RequesterRecipientProvider']
+		],
+		replyTo: '$DEFAULT_REPLYTO',
+		subject: '$DEFAULT_SUBJECT',
+		to: '$DEFAULT_RECIPIENTS'
+	)
+}
+
+@NonCPS
+def killall_jobs() {
+	def jobname = env.JOB_NAME
+	def buildnum = env.BUILD_NUMBER.toInteger()
+	def killnums = ""
+	def job = Jenkins.instance.getItemByFullName(jobname)
+	def fixed_job_name = env.JOB_NAME.replace('%2F','/')
+
+	for (build in job.builds) {
+		if (!build.isBuilding()) { continue; }
+		if (buildnum == build.getNumber().toInteger()) { continue; println "equals" }
+		if (buildnum < build.getNumber().toInteger()) { continue; println "newer" }
+
+		echo "Kill task = ${build}"
+
+		killnums += "#" + build.getNumber().toInteger() + ", "
+
+		build.doStop();
+	}
+
+	if (killnums != "") {
+		slackSend color: "danger", channel: "#jenkins", message: "Killing task(s) ${fixed_job_name} ${killnums} in favor of #${buildnum}, ignore following failed builds for ${killnums}"
+	}
+	echo "Done killing"
+}
+
+def buildStep(DOCKER_ROOT, DOCKERIMAGE, DOCKERTAG, DOCKERFILE, BUILD_NEXT) {
+	def fixed_job_name = env.JOB_NAME.replace('%2F','/')
+	try {
+		checkout scm;
+
+		def buildenv = '';
+		def tag = '';
+		if (env.BRANCH_NAME.equals('master')) {
+			buildenv = 'production';
+			tag = "${DOCKERTAG}";
+		} else if (env.BRANCH_NAME.equals('dev')) {
+			buildenv = 'development';
+			tag = "${DOCKERTAG}-dev";
+		} else {
+			throw new Exception("Invalid branch, stopping build!");
+		}
+
+		docker.withRegistry("https://index.docker.io/v1/", "dockerhub") {
+			def customImage
+			stage("Building ${DOCKERIMAGE}:${tag}...") {
+				customImage = docker.build("${DOCKER_ROOT}/${DOCKERIMAGE}:${tag}", "--build-arg BUILDENV=${buildenv} --network=host --pull -f ${DOCKERFILE} .");
+			}
+
+			stage("Pushing to docker hub registry...") {
+				customImage.push();
+			}
+		}
+
+		if (!BUILD_NEXT.equals('')) {
+			build "${BUILD_NEXT}/${env.BRANCH_NAME}";
+		}
+	} catch(err) {
+		slackSend color: "danger", channel: "#jenkins", message: "Build Failed: ${fixed_job_name} #${env.BUILD_NUMBER} Target: ${DOCKER_ROOT}/${DOCKERIMAGE}:${tag} (<${env.BUILD_URL}|Open>)"
+		currentBuild.result = 'FAILURE'
+		notify("Build Failed: ${fixed_job_name} #${env.BUILD_NUMBER} Target: ${DOCKER_ROOT}/${DOCKERIMAGE}:${tag}")
+		throw err
+	}
+}
+
+node('master') {
+	killall_jobs();
+	def fixed_job_name = env.JOB_NAME.replace('%2F','/');
+	slackSend color: "good", channel: "#jenkins", message: "Build Started: ${fixed_job_name} #${env.BUILD_NUMBER} (<${env.BUILD_URL}|Open>)";
+	
+	checkout scm;
+
+	def branches = [:]
+	def project = readJSON file: "JenkinsEnv.json";
+
+	project.builds.each { v ->
+		branches["Build ${v.DockerRoot}/${v.DockerImage}"] = { 
+			node {
+				buildStep(v.DockerRoot, v.DockerImage, v.DockerTag, v.Dockerfile, v.BuildIfSuccessful)
+			}
+		}
+	}
+	
+	sh "rm -rf ./*"
+
+	parallel branches;
+}
+