jenkins

Run Jenkins in Docker

In this tutorial, you’ll be running Jenkins as a Docker container from the jenkinsci/blueocean Docker image.
Run the jenkinsci/blueocean image as a container in Docker, this command automatically downloads the image if this hasn’t been done or updates the jenkinsci/blueocean Docker image, if an updated one is available.

docker run \
  -u root \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

Note:

-v /var/run/docker.sock:/var/run/docker.sock \

Map the /var/jenkins_home directory in the container to the Docker volume with the name jenkins-data on the host machine.
If this volume does not exist on the host machine, then this docker run command will automatically create the volume for you.

-v "$HOME":/home \

Map the $HOME directory on the host (i.e. your local) machine (usually the /Users/ directory) to the /home directory in the container

docker exec -it jenkins-docker bash

Access Jenkins/Blue Ocean Docker container through terminal using docker exec commands add --name flag

Jenkinsfile Java

Create a Jenkinsfile in the route of SCM

pipeline {
    agent {
        docker {
            image 'maven:3-alpine' 
            args '-v /root/.m2:/root/.m2' 
        }
    }
    stages {
        stage('Build') { 
            steps {
                sh 'mvn -B -DskipTests clean package' 
            }
        }
	stage('Test') {
            steps {
                sh 'mvn test'
            }
            post {
                always {
                    junit 'target/surefire-reports/*.xml'
                }
            }
        }
	stage('Deliver') {
            steps {
                sh './jenkins/scripts/deliver.sh'
            }
        }
    }
}

The image parameter (of the agent section’s docker parameter) downloads the maven:3-apline Docker image (if it’s not already available on your machine) and runs this image as a separate container. This means that:
You’ll have separate Jenkins and Maven containers running locally in Docker.
The Maven container becomes the agent that Jenkins uses to run your Pipeline project. However, this container is short-lived - its lifespan is only that of the duration of your Pipeline’s execution.
The args parameter creates a reciprocal mapping between the /root/.m2 (i.e. Maven repository) directories in the short-lived Maven Docker container and that of your Docker host’s filesystem.
This is to ensure that the artifacts necessary to build your Java application (which Maven downloads while your Pipeline is being executed) are retained in the Maven repository beyond the lifespan of the Maven container.
This prevents Maven from having to download the same artifacts during successive runs of your Jenkins Pipeline, which you’ll be conducting later on.
Be aware that unlike the Docker data volume you created for jenkins-data above, the Docker host’s filesystem is effectively cleared out each time Docker is restarted. This means you’ll lose the downloaded Maven repository artifacts each time Docker restarts.
Defines a stage (directive) called Build that appears on the Jenkins UI.
This sh step (of the steps section) runs the Maven command to cleanly build your Java application (without running any tests).
Defines a stage (directive) called Test that appears on the Jenkins UI.
This sh step (of the steps section) executes the Maven command to run the unit test on your simple Java application.
This command also generates a JUnit XML report, which is saved to the target/surefire-reports directory (within the /var/jenkins_home/workspace/simple-java-maven-app directory in the Jenkins container).
This junit step (provided by the JUnit Plugin) archives the JUnit XML report (generated by the mvn test command above) and exposes the results through the Jenkins interface.
In Blue Ocean, the results are accessible through the Tests page of a Pipeline run.
The post section’s always condition that contains this junit step ensures that the step is always executed at the completion of the Test stage, regardless of the stage’s outcome
Defines a new stage called Deliver that appears on the Jenkins UI.
This sh step (of the steps section) runs the shell script deliver.sh located in the jenkins/scripts directory from the root of the simple-java-maven-app repository.
Explanations about what this script does are covered in the deliver.sh file itself.
As a general principle, it’s a good idea to keep your Pipeline code (i.e. the Jenkinsfile) as tidy as possible and place more complex build steps (particularly for stages consisting of 2 or more steps) into separate shell script files like the deliver.sh file. This ultimately makes maintaining your Pipeline code easier, especially if your Pipeline gains more complexity.

Run Jenkins

http://localhost:8080/blue/organizations/jenkins/simple-java-maven-app/activity Go back to Jenkins again, log in again if necessary and ensure you’ve accessed Jenkins’s Blue Ocean interface.

Click Run at the top left, then quickly click the OPEN link which appears briefly at the lower-right to see Jenkins running your amended Pipeline project. If you weren’t able to click the OPEN link, click the top row on the Blue Ocean interface to access this feature.

Run Docker Inside Jenkins

Mac

docker.sock

docker run \
  -u root \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR: http://localhost:8081/job/github-conalryan-jenkins/38/console

[Pipeline] { (Declarative: Agent Setup) [Pipeline] isUnix [Pipeline] readFile [Pipeline] sh

docker build -t 6473f000819aec3c716ce22fcc82f5d58a9ff7e8 -f Dockerfile . Sending build context to Docker daemon 452.6kB

...

[Pipeline] // stage [Pipeline] stage [Pipeline] { (versions) [Pipeline] sh

pwd /var/jenkins_home/workspace/github-****-jenkins [Pipeline] sh
mvn -v Apache Maven 3.2.3 (33f8c3e1027c3ddde99d3cdebad2656a31e8fdf4; 2014-08-11T20:58:10+00:00) Maven home: /opt/apache-maven-3.2.3 Java version: 1.8.0_191, vendor: Oracle Corporation Java home: /usr/lib/jvm/java-8-openjdk-amd64/jre Default locale: en_US, platform encoding: ANSI_X3.4-1968 OS name: "linux", version: "4.9.125-linuxkit", arch: "amd64", family: "unix" [Pipeline] sh
docker -v /var/jenkins_home/workspace/github--jenkins@tmp/durable-39b25248/script.sh: 1: /var/jenkins_home/workspace/github--jenkins@tmp/durable-39b25248/script.sh: docker: not found

$(which docker)

which docker
# /usr/local/bin/docker

docker run \
  -u root \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

SUCCESS: http://localhost:8081/job/github-conalryan-jenkins/1/

docker exec -it jenkins-docker bash
docker -v
Docker version 18.09.2, build 6247962

machine

docker.sock

docker run \
  -u root \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:

[Pipeline] { (Declarative: Agent Setup) [Pipeline] isUnix [Pipeline] readFile [Pipeline] sh

docker build -t 3a36f5981b68a21e3f820761b080ffc092765809 -f Dockerfile . Sending build context to Docker daemon 150MB

...

[Pipeline] sh

docker -v /var/jenkins_home/workspace/acs-hotel-call-center@tmp/durable-8e4744af/script.sh: 1: /var/jenkins_home/workspace/acs-hotel-call-center@tmp/durable-8e4744af/script.sh: docker: not found

which docker

which docker
/usr/bin/docker

docker run \
  -u root \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:

[Pipeline] { (Declarative: Agent Setup) [Pipeline] isUnix [Pipeline] readFile [Pipeline] sh

docker build -t 30dbf6d4e5c162cb60517da6e481709d3804c4fa -f Dockerfile . /var/jenkins_home/workspace/acs-hotel-call-center-test@tmp/durable-1afeda3b/script.sh: line 1: docker: not found

docker exec -it jenkins-docker bash
docker -v
bash: /usr/bin/docker: No such file or directory

wrong user?

docker run \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:

sudu

sudo docker run \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:Doesn't even create a container.

dif user sudu

sudo docker run \
  -u auser \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:docker: Error response from daemon: linux spec user: unable to find user auser: no matching entries in passwd file.

privileged

docker run \
  --privileged \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:docker: Error response from daemon: linux spec user: unable to find user auser: no matching entries in passwd file.

sudo privileged

docker run \
  --privileged \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:docker: Error response from daemon: linux spec user: unable to find user auser: no matching entries in passwd file.

pass docker GID****

docker run \
  -u $(grep docker /etc/group) \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:docker: Error response from daemon: linux spec user: unable to find user docker: no matching entries in passwd file.

Commented # USER root in Dockerfile

docker run \
  -u root \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:docker: not found

[Pipeline] sh

java -version openjdk version "1.8.0_191" OpenJDK Runtime Environment (build 1.8.0_191-8u191-b12-2ubuntu0.18.04.1-b12) OpenJDK 64-Bit Server VM (build 25.191-b12, mixed mode) [Pipeline] sh
mvn -v Apache Maven 3.2.3 (33f8c3e1027c3ddde99d3cdebad2656a31e8fdf4; 2014-08-11T20:58:10+00:00) Maven home: /opt/apache-maven-3.2.3 Java version: 1.8.0_191, vendor: Oracle Corporation Java home: /usr/lib/jvm/java-8-openjdk-amd64/jre Default locale: en_US, platform encoding: ANSI_X3.4-1968 OS name: "linux", version: "3.10.0-514.26.2.el7.x86_64", arch: "amd64", family: "unix" [Pipeline] sh
node --version v10.15.2 [Pipeline] sh
npm --version 6.4.1 [Pipeline] sh
docker -v /var/jenkins_home/workspace/acs-hotel-call-center-test@tmp/durable-177413d4/script.sh: 1: /var/jenkins_home/workspace/acs-hotel-call-center-test@tmp/durable-177413d4/script.sh: docker: not found

docker exec -id jenkins-docker bash
docker -v
Docker version 18.09.1-ce, build 4c52b901c6cb019f7552cd93055f9688c6538be4

Add auser to Dockerfile

docker run \
  -u root \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

AuserJenkins

docker run \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  dockerhub.mycompany.net:5000/myapp

ERROR:docker: Error response from daemon: linux spec user: unable to find user auser: no matching entries in passwd file.

-u root

docker run \
  -u root \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  dockerhub.mycompany.com:5000/myapp

ERROR:docker: error while loading shared libraries: libltdl.so.7: cannot open shared object file: No such file or directory

Running from: /usr/share/jenkins/jenkins.war [Pipeline] stage [Pipeline] { (Declarative: Agent Setup) [Pipeline] isUnix [Pipeline] readFile [Pipeline] sh

docker build -t 71f51e796272a3359a6686cdcd673dafc69ca695 -f Dockerfile . docker: error while loading shared libraries: libltdl.so.7: cannot open shared object file: No such file or directory

--user $(id -u)

docker run \
  --user $(id -u) \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  dockerhub.mycompany:5000/myapp

ERROR:touch: cannot touch '/var/jenkins_home/copy_reference_file.log': Permission denied Can not write to /var/jenkins_home/copy_reference_file.log. Wrong volume permissions?

--user $(id -u)

docker run \
  --user $(id -u) \
  --privileged \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  dockerhub.mycompany.com:5000/myapp

ERROR:touch: cannot touch '/var/jenkins_home/copy_reference_file.log': Permission denied Can not write to /var/jenkins_home/copy_reference_file.log. Wrong volume permissions?

docker run
--rm
-p 8081:8080
-v jenkins-data:/var/jenkins_home
-v $(which docker):/usr/bin/docker
-v /var/run/docker.sock:/var/run/docker.sock
-v "$HOME":/home
--name jenkins-docker
jenkinsci/blueocean

mkdir $PWD/jenkins sudo chown -R 1000:1000 $PWD/jenkins docker run -d -p 8080:8080 -p 50000:50000 -v $PWD/jenkins:/var/jenkins_home --name jenkins jenkins

mkdir $HOME/jenkins_home sudo chown -R 1000:1000 $HOME/jenkins_home docker run -d -p 8080:8080 -p 50000:50000 -v $HOME/jenkins_home:/var/jenkins_home --name jenkins jenkins docker run
--privileged --rm
-p 8081:8080
-v $HOME/jenkins_home:/var/jenkins_home
-v $(which docker):/usr/bin/docker
-v /var/run/docker.sock:/var/run/docker.sock
-v "$HOME":/home
--name jenkins-docker
jenkinsci/blueocean ERROR:

docker -v
bash: /usr/bin/docker: No such file or directory

Privileged

docker run \
  --privileged \
  -d \
  --rm \
  -p 8081:8080 \
  -v $HOME/jenkins_home:/var/jenkins_home \
  -v $(which docker):/usr/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

ERROR:

docker -v
bash: /usr/bin/docker: No such file or directory

sudo chmod -R 777 /home/swateek/tmp/jenkins/data sudo docker run --rm --privileged -p 8080:8080 -p 50000:50000 -v /home/swateek/tmp/jenkins/data:/var/jenkins_home jenkins

mkdir /home/ronit/jenkins_home chown 1000:1000 /home/ronit/jenkins_home docker run --privileged --name jenkins-1 -p 8080:8080 -p 50000:50000 -v /home/ronit/jenkins_home:/var/jenkins_home jenkins

/var/run/docker.sock

docker run \
  -u root \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

docker exec -it jenkins-docker bash docker -v SUCCESS:Docker version 18.09.1-ce, build 4c52b901c6cb019f7552cd93055f9688c6538be4

$ docker run \

-u root
-d
--rm
-p 8081:8080
-v jenkins-data:/var/jenkins_home
-v /var/run/docker.sock:/var/run/docker.sock
-v "$HOME":/home
--name jenkins-docker
jenkinsci/blueocean 3e36684ef4543e624c4deaa429af2b3d5a5d9d4adfa52232df67c22f6b9d969f $ docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3e36684ef454 jenkinsci/blueocean "/sbin/tini -- /us..." 3 seconds ago Up 2 seconds 50000/tcp, 0.0.0.0:8081->8080/tcp jenkins-docker fd75fdb58189 jenkins "/bin/tini -- /usr..." 14 months ago Up 2 months 0.0.0.0:8080->8080/tcp, 0.0.0.0:50000->50000/tcp focused_spence docker exec -it jenkins-docker bash bash-4.4# docker -v Docker version 18.09.1-ce, build 4c52b901c6cb019f7552cd93055f9688c6538be4 bash-4.4#

ERROR:+ docker -v /var/jenkins_home/workspace/acs-hotel-call-center-test@tmp/durable-5c3aa0ba/script.sh: 1: /var/jenkins_home/workspace/acs-hotel-call-center-test@tmp/durable-5c3aa0ba/script.sh: docker: not found

Add Docker to Dockerfile

docker run \
  -u root \
  -d \
  --rm \
  -p 8081:8080 \
  -v jenkins-data:/var/jenkins_home \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v "$HOME":/home \
  --name jenkins-docker \
  jenkinsci/blueocean

docker exec -it jenkins-docker bash docker -v SUCCESS:Docker version 18.09.1-ce, build 4c52b901c6cb019f7552cd93055f9688c6538be4

docker run \

-u root
-d
--rm
-p 8081:8080
-v jenkins-data:/var/jenkins_home
-v /var/run/docker.sock:/var/run/docker.sock
-v "$HOME":/home
--name jenkins-docker
jenkinsci/blueocean 3e36684ef4543e624c4deaa429af2b3d5a5d9d4adfa52232df67c22f6b9d969f docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 3e36684ef454 jenkinsci/blueocean "/sbin/tini -- /us..." 3 seconds ago Up 2 seconds 50000/tcp, 0.0.0.0:8081->8080/tcp jenkins-docker fd75fdb58189 jenkins "/bin/tini -- /usr..." 14 months ago Up 2 months 0.0.0.0:8080->8080/tcp, 0.0.0.0:50000->50000/tcp focused_spence docker exec -it jenkins-docker bash bash-4.4# docker -v Docker version 18.09.1-ce, build 4c52b901c6cb019f7552cd93055f9688c6538be4 bash-4.4#

SUCCESS:

docker -v Docker version 18.09.3, build 774a1f4

docker run
-u root
-d
--rm
-p 8080:8080
-v jenkins-data:/var/jenkins_home
-v /var/run/docker.sock:/var/run/docker.sock
-v "$HOME":/home
--name jenkins-docker
jenkinsci/blueocean

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
_jenkins_notes		_jenkins_notes
scripts		scripts
simple-java-maven-app		simple-java-maven-app
Dockerfile		Dockerfile
Jenkinsfile		Jenkinsfile
Jenkinsfile-dockerfile-scm-tag		Jenkinsfile-dockerfile-scm-tag
Jenkinsfile_dockerimage_scm		Jenkinsfile_dockerimage_scm
Jenkinsfile_git		Jenkinsfile_git
Jenkinsfile_script		Jenkinsfile_script
README.md		README.md
if.sh		if.sh

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jenkins

Run Jenkins in Docker

Jenkinsfile Java

Run Jenkins

Run Docker Inside Jenkins

Mac

machine

AuserJenkins

/var/run/docker.sock

Add Docker to Dockerfile

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jenkins

Run Jenkins in Docker

Jenkinsfile Java

Run Jenkins

Run Docker Inside Jenkins

Mac

machine

AuserJenkins

/var/run/docker.sock

Add Docker to Dockerfile

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