The document discusses a presentation by James Heggs on using Google Cloud and Kubernetes for continuous deployment with Jenkins and Spring Boot. It outlines the technologies used, including GKE for container orchestration, Docker for builds, and Jenkins for CI/CD pipelines, alongside code examples and setup scripts. The talk emphasizes practical implementations without delving into the rationale behind these choices.

1. GOOGLE CLOUD - KUBERNETES -
DOCKER - CONTINUOUS
DEPLOYMENT - JENKINS - SPRING
BOOT - MAVEN - MICROSERVICES
JAMES HEGGS

2. SETTING THE SCENE…
ABOUT ME @EGGSY84
▸Software Developer - Bespoke software house
▸Software Developer - SaaS product based
▸Head of Operations - Config/Orchestration/Deploys etc
▸Co-Organiser DevOps Manchester Meetup
▸DevOps Consultant - GDS project
▸Head of Development - ResponseTap

3. SETTING THE SCENE…
THIS TALK
▸WILL:
▸Provide high level view of technologies
▸Share code examples and walkthroughs
▸WILL NOT:
▸Cover why you would do this
▸Whether you even should do this

4. OPERATIONS
INFRASTRUCTURE

5. OPERATIONS
GOOGLE CLOUD PLATFORM (GCP)
▸Utilises Google Container Engine (GKE)
▸(which is actually just Kubernetes)
▸Projects and Operations within them
▸Found GKE learning curve less steep than EC2 container
service

8. OPERATIONS
JENKINS MASTER
▸https://github.com/eggsy84/gcp-jenkins-master-k8s-seed
▸Built with Docker and available on public Docker hub
▸Utilises Jenkins pipeline plugin for pipelines as code
▸Utilises Jenkins Kubernetes (k8s) plugin for communication
with k8s API

9. OPERATIONS
JENKINS SLAVE
▸https://github.com/eggsy84/gcp-jenkins-slave-k8s-seed
▸Built with Docker and available on public Docker hub
▸Spun up as Docker containers by k8s plugin
▸Installs required build tools (maven, docker, gcloud tools)

10. OPERATIONS
BOOTSTRAP SCRIPT
▸https://github.com/eggsy84/gcp-bootstrap-infrastructure
▸Will create GKE cluster in specified zone, under specified
project with specified number of nodes called “cd-cluster”
▸Uses k8s YAML files to deploy jenkins master
sh deploy.sh {project_name} {zone} {machine-type} {number-of-nodes} {service-
account-file.json}
sh deploy.sh docker-meetup europe-west1-b n1-standard-2 1 ~/srvc-account.json

11. DEVELOPMENT
CODE AND PIPELINES

12. DEVELOPMENT
SPRING BOOT JAVA APP
▸https://github.com/eggsy84/gcp-spring-boot-app
▸Really simple maven based spring boot app
▸mvn spring-boot:run

13. DEVELOPMENT
JENKINSFILE
▸https://github.com/eggsy84/gcp-spring-boot-
app/blob/master/Jenkinsfile
▸Part of the source control for the application
▸Uses Jenkins pipeline DSL to define build stages
▸Node name relates to the node name defined in the k8s
plugin
▸Produces docker build tagged with build date time

14. DEVELOPMENT
JENKINSFILE
node('build-slave') {
// Project name will be passed in as a parameter
def project = "${GCP_PROJECT_NAME}"
def appName = 'spring-boot-app'
// BUILD_DATE_TIME defined as a build parameter in Jenkins
def imageTag = "eu.gcr.io/${project}/${appName}:${BUILD_DATE_TIME}"
// Code checkout stage
stage 'Checkout'
checkout scm
// Compile with maven stage
stage 'Compile'
sh "mvn clean compile”
. . .

15. DEVELOPMENT
K8S FILES
▸https://github.com/eggsy84/gcp-spring-boot-
app/tree/master/k8s/deployments
▸https://github.com/eggsy84/gcp-spring-boot-
app/tree/master/k8s/services
▸Executes kubernetes deployments and services for
presenting application externally

16. DEVELOPMENT
K8S DEPLOYMENT
kind: Deployment
apiVersion: extensions/v1beta1
metadata:
name: app-deployment
spec:
replicas: 1
template:
metadata:
name: spring-boot-app
labels:
name: spring-boot-app
spec:
containers:
- name: spring-boot-app
image: eu.gcr.io/GCP_PROJECT/APP_NAME:1.0.0
imagePullPolicy: Always
readinessProbe:
tcpSocket:
port: 8080
initialDelaySeconds: 10
timeoutSeconds: 5
ports:
- name: app-http
containerPort: 8080

17. DEVELOPMENT
K8S SERVICE
apiVersion: v1
kind: Service
metadata:
name: app-service
labels:
app: app-service
spec:
type: LoadBalancer
ports:
- port: 80
name: frontend-http
targetPort: 8080
protocol: TCP
selector:
name: spring-boot-app

18. DEMO TIME

19. PROMISES
COMING SOON…
▸As well as the open source code I will get round to putting a
blog together - promise :)
▸Slides will go up on slideshare
▸Code will get README’s and instructions

20. ANY
QUESTIONS?
THANK YOU FOR LISTENING

21. WRAP UP
USEFUL LINKS
▸https://github.com/search?q=user%3Aeggsy84+gcp
▸https://hub.docker.com/r/eggsy84/gcp-jenkins-slave-k8s-
seed/
▸https://hub.docker.com/r/eggsy84/gcp-jenkins-master-k8s-
seed/

22. WRAP UP
USEFUL LINKS
▸https://wiki.jenkins-
ci.org/display/JENKINS/Kubernetes+Plugin
▸https://jenkins.io/doc/pipeline/
▸https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+Plugin
▸https://github.com/GoogleCloudPlatform/continuous-
deployment-on-kubernetes