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‎.dockerignore

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Dockerfile
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draft.toml
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charts/
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NOTICE
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LICENSE
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README.md

‎Dockerfile

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FROM openjdk:8-jdk-alpine
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ENV PORT 8080
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EXPOSE 8080
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COPY target/*.jar /opt/app.jar
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WORKDIR /opt
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CMD ["java", "-jar", "app.jar"]

‎Jenkinsfile

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pipeline {
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agent {
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label "jenkins-maven"
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}
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environment {
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ORG = 'jenkinsx'
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APP_NAME = 'docker-kubernetes-hello-world'
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GIT_CREDS = credentials('jenkins-x-git')
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CHARTMUSEUM_CREDS = credentials('jenkins-x-chartmuseum')
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GIT_USERNAME = "$GIT_CREDS_USR"
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GIT_API_TOKEN = "$GIT_CREDS_PSW"
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}
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stages {
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stage('CI Build and push snapshot') {
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when {
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branch 'PR-*'
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}
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environment {
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PREVIEW_VERSION = "0.0.0-SNAPSHOT-$BRANCH_NAME-$BUILD_NUMBER"
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PREVIEW_NAMESPACE = "$APP_NAME-$BRANCH_NAME".toLowerCase()
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HELM_RELEASE = "$PREVIEW_NAMESPACE".toLowerCase()
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}
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steps {
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container('maven') {
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sh "mvn versions:set -DnewVersion=$PREVIEW_VERSION"
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sh "mvn install"
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sh "docker build -t \$JENKINS_X_DOCKER_REGISTRY_SERVICE_HOST:\$JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT/$ORG/$APP_NAME:$PREVIEW_VERSION ."
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sh "docker push \$JENKINS_X_DOCKER_REGISTRY_SERVICE_HOST:\$JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT/$ORG/$APP_NAME:$PREVIEW_VERSION"
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}
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dir ('./charts/preview') {
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container('maven') {
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sh "make preview"
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sh "jx preview --app $APP_NAME --dir ../.."
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}
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}
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}
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}
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stage('Build Release') {
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when {
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branch 'master'
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}
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steps {
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container('maven') {
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// ensure we're not on a detached head
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sh "git checkout master"
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// until we switch to the new kubernetes / jenkins credential implementation use git credentials store
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sh "git config --global credential.helper store"
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// so we can retrieve the version in later steps
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sh "echo \$(jx-release-version) > VERSION"
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sh "mvn versions:set -DnewVersion=\$(cat VERSION)"
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}
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dir ('./charts/docker-kubernetes-hello-world') {
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container('maven') {
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sh "make tag"
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}
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}
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container('maven') {
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sh 'mvn clean deploy'
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sh "docker build -t \$JENKINS_X_DOCKER_REGISTRY_SERVICE_HOST:\$JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT/$ORG/$APP_NAME:\$(cat VERSION) ."
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sh "docker push \$JENKINS_X_DOCKER_REGISTRY_SERVICE_HOST:\$JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT/$ORG/$APP_NAME:\$(cat VERSION)"
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}
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}
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}
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stage('Promote to Environments') {
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when {
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branch 'master'
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}
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steps {
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dir ('./charts/docker-kubernetes-hello-world') {
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container('maven') {
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sh 'jx step changelog --version \$(cat ../../VERSION)'
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// release the helm chart
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sh 'make release'
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// promote through all 'Auto' promotion Environments
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sh 'jx promote -b --all-auto --timeout 1h --version \$(cat ../../VERSION)'
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}
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}
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}
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}
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}
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post {
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always {
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cleanWs()
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}
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}
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}

‎NOTICE

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MIT License:
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Copyright (C) 2011-2015 Heroku, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

‎charts/docker-kubernetes-hello-world/.helmignore

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# Patterns to ignore when building packages.
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# This supports shell glob matching, relative path matching, and
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# negation (prefixed with !). Only one pattern per line.
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.DS_Store
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# Common VCS dirs
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.git/
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.gitignore
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.bzr/
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.bzrignore
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.hg/
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.hgignore
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.svn/
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# Common backup files
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*.swp
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*.bak
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*.tmp
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*~
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# Various IDEs
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.project
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.idea/
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*.tmproj

‎charts/docker-kubernetes-hello-world/Chart.yaml

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apiVersion: v1
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description: A Helm chart for Kubernetes
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icon: https://raw.githubusercontent.com/jenkins-x/jenkins-x-platform/master/images/java.png
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name: docker-kubernetes-hello-world
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version: 0.1.0-SNAPSHOT

‎charts/docker-kubernetes-hello-world/Makefile

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CHART_REPO := http://jenkins-x-chartmuseum:8080
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CURRENT=$(pwd)
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NAME := docker-kubernetes-hello-world
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OS := $(shell uname)
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RELEASE_VERSION := $(shell cat ../../VERSION)
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build: clean
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rm -rf requirements.lock
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helm dependency build
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helm lint
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install: clean build
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helm install . --name ${NAME}
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upgrade: clean build
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helm upgrade ${NAME} .
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delete:
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helm delete --purge ${NAME}
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clean:
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rm -rf charts
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rm -rf ${NAME}*.tgz
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release: clean
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helm dependency build
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helm lint
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helm init --client-only
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helm package .
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curl --fail -u $(CHARTMUSEUM_CREDS_USR):$(CHARTMUSEUM_CREDS_PSW) --data-binary "@$(NAME)-$(shell sed -n 's/^version: //p' Chart.yaml).tgz" $(CHART_REPO)/api/charts
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rm -rf ${NAME}*.tgz%
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tag:
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ifeq ($(OS),Darwin)
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sed -i "" -e "s/version:.*/version: $(RELEASE_VERSION)/" Chart.yaml
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sed -i "" -e "s/tag: .*/tag: $(RELEASE_VERSION)/" values.yaml
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else ifeq ($(OS),Linux)
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sed -i -e "s/version:.*/version: $(RELEASE_VERSION)/" Chart.yaml
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sed -i -e "s/repository: .*/repository: $(JENKINS_X_DOCKER_REGISTRY_SERVICE_HOST):$(JENKINS_X_DOCKER_REGISTRY_SERVICE_PORT)\/$(ORG)\/$(APP_NAME)/" values.yaml
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sed -i -e "s/tag: .*/tag: $(RELEASE_VERSION)/" values.yaml
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else
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echo "platfrom $(OS) not supported to release from"
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exit -1
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endif
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git add --all
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git commit -m "release $(RELEASE_VERSION)" --allow-empty # if first release then no verion update is performed
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git tag -fa v$(RELEASE_VERSION) -m "Release version $(RELEASE_VERSION)"
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git push origin v$(RELEASE_VERSION)

‎charts/docker-kubernetes-hello-world/README.md

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# Java application

‎charts/docker-kubernetes-hello-world/templates/NOTES.txt

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Get the application URL by running these commands:
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kubectl get ingress {{ template "fullname" . }}

‎charts/docker-kubernetes-hello-world/templates/_helpers.tpl

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{{/* vim: set filetype=mustache: */}}
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{{/*
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Expand the name of the chart.
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*/}}
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{{- define "name" -}}
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{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" -}}
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{{- end -}}
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{{/*
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Create a default fully qualified app name.
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We truncate at 63 chars because some Kubernetes name fields are limited to this (by the DNS naming spec).
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*/}}
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{{- define "fullname" -}}
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{{- $name := default .Chart.Name .Values.nameOverride -}}
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{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" -}}
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{{- end -}}

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