Jenkins Kubernetes Google Cloud

2018. 4. 1. 18:39·Google Cloud Platform

Google Cloud ML Vision API를 이용한 이미지 텍스트 추출 그리고 번역을 위한 Translation API와 Natural Language API (1)	2018.04.10
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Tech Blog --- AI Serving Cloud Developer SAPEON Korea R&D KT R&D Center AI research http://jckim.me https://www.linkedin.com/in/kimjeongchul/

Jeongchul Kim

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SAPEON Korea R&D
KT R&D Center AI research

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hELLO· Designed By정상우.v4.9.0

Jenkins Kubernetes Google Cloud

상단으로

Overview

What we’ll do

Jenkins

Continuous Delivery / Deployment?

Provisioning Jenkins

Kubernetes 클러스터(cluster) 생성

$ gcloud compute networks create jenkins --subnet-mode auto

$ gcloud container clusters create jenkins-cd --num-nodes 5 --machine-type --network jenkins --zone us-central1-f --scopes "https://www.googleapis.com/auth/projecthosting,storage-rw"

$ gcloud container clusters list

$ gcloud container clusters get-credentials jenkins-cd --zone us-central1-f

$ kubectl cluster-info

Jenkins 홈 볼륨(home volume) 생성

$ gcloud compute images create jenkins-home-image --source-uri https://storage.googleapis.com/solutions-public-assets/jenkins-cd/jenkins-home-v3.tar.gz

$ gcloud compute disks create jenkins-home --image jenkins-home-image --zone us-central1-f

Github Clone Repository

$ gcloud config set compute/zone us-central1-f$ git clone https://github.com/GoogleCloudPlatform/continuous-deployment-on-kubernetes.git$ cd continuous-deployment-on-kubernetes

Jenkins 자격증명(Credentials) 설정

$ export PASSWORD=`openssl rand -base64 15`; echo "Your password is $PASSWORD"; sed -i.bak s#CHANGE_ME#$PASSWORD# jenkins/k8s/options

$ cat jenkins/k8s/options

$ kubectl create ns jenkins

$ kubectl create secret generic jenkins --from-file=jenkins/k8s/options --namespace=jenkins

Deploy Jenkins

$ kubectl apply -f jenkins/k8s/

$ watch -n 0.5 kubectl get pods -n jenkins

Configuring HTTP load balancing

$ kubectl get svc -n jenkins

$ openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout /tmp/tls.key -out /tmp/tls.crt -subj "/CN=jenkins/O=jenkins"

$ kubectl create secret generic tls --from-file=/tmp/tls.crt --from-file=/tmp/tls.key -n jenkins

$ kubectl apply -f jenkins/k8s/lb/ingress.yaml

Jenkins 연결하기

$ watch -n 1 kubectl describe ingress jenkins --namespace jenkins

$ echo "Jenkins URL: https://`kubectl get ingress jenkins -n jenkins -o jsonpath='{.status.loadBalancer.ingress[0].ip}'`";

$ echo "Your username/password: jenkins/$PASSWORD"

$ cat jenkins/k8s/options

Understanding the application

Deploying the application

$ cd sample-app

$ kubectl create ns production

$ kubectl apply -f k8s/production -n production$ kubectl apply -f k8s/canary -n production$ kubectl apply -f k8s/services -n production

$ kubectl scale deployment gceme-frontend-production -n production --replicas 4

$ kubectl get pods -n production -l app=gceme -l role=frontend

$ kubectl get pods -n production -l app=gceme -l role=backend

$ kubectl get service gceme-frontend -n production

$ export FRONTEND_SERVICE_IP=$(kubectl get -o jsonpath="{.status.loadBalancer.ingress[0].ip}" --namespace=production services gceme-frontend)

$ curl http://$FRONTEND_SERVICE_IP/version

Creating the Jenkins pipeline

sample app 소스 코드를 호스팅하는 저장소(repository) 만들기

$ gcloud alpha source repos create default

$ git init

$ git config credential.helper gcloud.sh

$ git config --global user.email "[EMAIL_ADDRESS]"

$ git config --global user.name "[USERNAME]"

$ git remote add origin https://source.developers.google.com/p/[PROJECT_ID]/r/default

$ git add .

$ git commit -m "Initial commit"

$ git push origin master

service account 자격증명(credentials) 추가하기

새로운 Job 생성하기

https://source.developers.google.com/p/[PROJECT_ID]/r/default

Creating the development environment

deployment branch 생성

$ git checkout -b new-feature

Pipeline 정의(definition) 수정하기

$ vi Jenkinsfile

def project = 'REPLACE_WITH_YOUR_PROJECT_ID'def appName = 'gceme'def feSvcName = "${appName}-frontend"def imageTag = "gcr.io/${project}/${appName}:${env.BRANCH_NAME}.${env.BUILD_NUMBER}"

site 수정하기

$ ~/continuous-deployment-on-kubernetes/sample-app

$ vi html.go

<div class="card orange">

$ vi main.go

const version string = "1.0.0"

const version string = "2.0.0"

deployment 시작

$ git add Jenkinsfile html.go main.go

$ git commit -m "Version 2.0.0"

$ git push origin new-feature

$ kubectl proxy &

$ curl http://localhost:8001/api/v1/proxy/namespaces/new-feature/services/gceme-frontend:80/version

Deploying a canary release

$ git checkout -b canary

$ gcloud config set compute/zone us-central1-f
$ git clone https://github.com/GoogleCloudPlatform/continuous-deployment-on-kubernetes.git
$ cd continuous-deployment-on-kubernetes

$ kubectl apply -f k8s/production -n production
$ kubectl apply -f k8s/canary -n production
$ kubectl apply -f k8s/services -n production

def project = 'REPLACE_WITH_YOUR_PROJECT_ID'
def appName = 'gceme'
def feSvcName = "${appName}-frontend"
def imageTag = "gcr.io/${project}/${appName}:${env.BRANCH_NAME}.${env.BUILD_NUMBER}"

$ git checkout master
$ git merge canary
$ git push origin master