Using Gitlab and Kubernetes for Continuous Delivery

1. DE L'INTÉGRATION CONTINUE
AU DÉPLOIEMENT CONTINU
AVEC K8S & GITLAB CI
Les bords de l’Erdre à Nantes
Jean-Pierre Dalbéra
VINCENT LOMBARD
GIT.IO/JRES-GITLAB

2. CI/CD avec K8s & Gitlab CI 2

3. CI/CD avec K8s & Gitlab CI 3

4. 1
CI/CD avec K8s & Gitlab CI 4

5. CI/CD avec K8s & Gitlab CI 5
FROM java:7-jre-alpine
ADD target/tomcat.jar /tomcat.jar
RUN apk update&&apk add ttf-dejavu
EXPOSE 8080
ENV KSUP_CONF_FOLDER /conf
CMD ["sh", "-c", "java -jar tomcat.jar -Dconf.dir=$KSUP_CONF_FOLDER"]

6. 2
CI/CD avec K8s & Gitlab CI 6
Kubernetes

7. CI/CD avec K8s & Gitlab CI 7

8. 2
CI/CD avec K8s & Gitlab CI 8
Gitlab

9. CI/CD avec K8s & Gitlab CI 9

10. stages:
- build
- build_image
- deploy
maven_compile:
stage: build
image: v20100/maven:3.3.9
before_script:
- mvn --version
script:
- mvn -B -s settings.xml clean package
- mv target/*.jar target/tomcat.jar
artifacts:
paths:
- target/*.jar
only:
- master
maven_compile:
stage: build
image: v20100/maven:3.3.9
before_script:
- mvn --version
script:
- mvn -B -s settings.xml clean package
- mv target/*.jar target/tomcat.jar
artifacts:
paths:
- target/*.jar
only:
- master
- tags
- 2-configuration-ldap
- 6-migration-cluster-vers-nfs
tags:
- kubernetes
docker_build:
stage: build_image
image: gitlab/dind:latest
before_script:
- docker login -u $REGISTRY_LOGIN -p $REGISTRY_PASSWORD registry.…
script:
- docker info
- docker build -t $CONTAINER_TEST_IMAGE .
- docker tag $CONTAINER_TEST_IMAGE $CONTAINER_MASTER_IMAGE
- docker push $CONTAINER_TEST_IMAGE
- docker push $CONTAINER_MASTER_IMAGE
variables:
CONTAINER_TEST_IMAGE: registry.universite-lyon.fr/java/…
$CI_PROJECT_NAME:$CI_BUILD_REF
CONTAINER_MASTER_IMAGE: registry.universite-lyon.fr/java/…
$CI_PROJECT_NAME:latest
dependencies:
- maven_compile
k8s_deploy_preproduction:
stage: deploy
image: registry.universite-lyon.fr/kubectl/preprod
script:
- echo $KUBERNETES_PATCH
- /usr/local/bin/kubectl --insecure-skip-tls-verify --namespace ksup patch deployment…
ksup-deployment-nfs -p "$KUBERNETES_PATCH"
variables:
CONTAINER_TEST_IMAGE: registry.universite-lyon.fr/java/…
$CI_PROJECT_NAME:$CI_BUILD_REF
KUBERNETES_PATCH: …
"{"spec": {"template":{"metadata":{"labels":{"version":"$CI_BUILD_REF"}}}}}"
environment:
name: preproduction
url: https://ksup.universite-lyon.fr
dependencies:
- docker_build
only:
- master
CI/CD avec K8s & Gitlab CI 10

11. POUR ALLER PLUS LOIN
• Usage code & conf applicative
• https://git.io/jres-gitlab
Les bords de l’Erdre à Nantes
Jean-Pierre Dalbéra