Jenkins
in Others
1. Jenkins Infrastructure
Jenkins is a self-contained Java-based program, ready to run out-of-the-box, with packages for Windows, Mac OS X and other Unix-like operating systems.
- Master Server
- Controls pipelines
- Schedules builds
- Agent/Minions
- Performs the build
Agent Types
- Pernament Agents
- Always connected to the master
- Can be used to run multiple builds
- Cloud Agents
- Dynamically created and destroyed
- Can be used to run multiple builds
Build types
- Freestyle
- Simple build
- No dependencies
- No pipeline
- Pipeline
- Complex build
- Dependencies
- Pipeline
Build Jenkins with Docker
FROM jenkins/jenkins:2.346.2-jdk11
USER root
RUN apt-get update && apt-get install -y \
apt-transport-https \
ca-certificates \
curl \
gnupg \
lsb-release
RUN curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
RUN echo \
"deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian \
$(lsb_release -cs) stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null
RUN apt-get update && apt-get install -y \
docker-ce \
docker-ce-cli \
containerd.io
RUN usermod -aG docker jenkins
USER jenkins
RUN jenkins-plugin-cli --plugins "blueocean:1.25.3 docker-workflow:1.28"
Build Jenkins Image
docker build -t jenkins-blueocean:1.1 .
Docker network
docker network create jenkins
# list networks
docker network ls
Run Jenkins
docker run \
--name jenkins-blueocean \
--restart=on-failure --detach \
--network jenkins --env DOCKER_HOST=tcp://docker:2376 \
--env DOCKER_CERT_PATH=/certs/client --env DOCKER_TLS_VERIFY=1 \
--volume jenkins-data:/var/jenkins_home \
--volume jenkins-docker-certs:/certs/client:ro \
--publish 8080:8080 --publish 50000:50000 jenkins-blueocean:1.1
jenkins admin password
docker exec jenkins-blueocean cat /var/jenkins_home/secrets/initialAdminPassword
Go inside the container
docker exec -it jenkins-blueocean bash
Docker image delete
docker image rm jenkins-blueocean:1.1
alpine/socat container to forward traffic from Jenkins to Docker Desktop on Host Machine
docker run -d --restart=always -p 127.0.0.1:2376:2375 --network jenkins -v /var/run/docker.sock:/var/run/docker.sock alpine/socat tcp-listen:2375,fork,reuseaddr unix-connect:/var/run/docker.sock
Get ip address of the container
docker inspect a08cdd81f795af0b09eacf9d539ffc173f2c26ad711a22ad56a80a9d2bd32361 | grep IPAddress
Configure Clouds
