CI

Jenkins#

Fundamential

• https://www.youtube.com/watch?v=nCKxl7Q_20I
• https://www.youtube.com/watch?v=pMO26j2OUME&list=PLy7NrYWoggjw_LIiDK1LXdNN82uYuuuiC

Using environment variable

• https://www.youtube.com/watch?v=qz9I3v0PDeY
• https://www.jenkins.io/doc/book/pipeline/jenkinsfile/#using-environment-variables
• https://docs.cloudbees.com/docs/admin-resources/latest/automating-with-jenkinsfile/string-interpolation
• https://wiki.jenkins-ci.org/display/JENKINS/Building+a+software+project#Buildingasoftwareproject-AntScripts

Docker build slave Docker bootstraped with image not recommended Build .Net core Jenkins(not recommended anymore since we containerize era coming in)

• https://medium.com/southworks/creating-a-jenkins-pipeline-for-a-net-core-application-937a2165b073
• https://www.jenkins.io/doc/pipeline/steps/dotnet-sdk/

Docker Jenkins

• https://www.jenkins.io/doc/book/pipeline/docker/
• https://www.jenkins.io/doc/book/pipeline/syntax/#agent-parameters

Plugin that need

• Config File Provider
• Docker
• Docker Pipeline
• BlueOcean
• SSH Agent
• .NET SDK Support

Default environment: [Jenkins URL]/env-vars.html

Reset build number#

Go to http://your-jenkins-server/script then run

item = Jenkins.instance.getItemByFullName("your-job-name-here")
//THIS WILL REMOVE ALL BUILD HISTORY
item.builds.each() { build -> build.delete() }
item.updateNextBuildNumber(1)

Docker stand alone setup#

# -u 0 mean run the same jenkins user permission as root user.
docker run -u 0 -d --name local-jenkins -p 46000:8080 -p 50000:50000 -v $(which docker):/usr/bin/docker -v /var/run/docker.sock:/var/run/docker.sock -v /opt/app_data/jenkins:/var/jenkins_home jenkins/jenkins:lts

Jenkins with k8s setup#

Tutorial here

Remember to create jenkins namespace first.

CD

Kustomize#

Place kustomize binary under /usr/local/bin

Some basic using

For replacement variable kustomize

# for testing
kustomize build ./dev > ./kustomization/dev-manifest.yaml
kubectl apply -k ./dev

Helm#

Tutorial

Argo CD#

kubectl create namespace argocd
kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml

Furthur config to made

ArgoCD config map manual, after modify cm, run kubectl -n argocd rollout restart deploy/argocd-repo-server for argocd to take effect.