Johan Janssen, Info Support

Continuous Delivery
DockerDocker
Jenkins build pipeline
Questions

Automate everything
Software quality
Continuous improvement
Regular deployments
Anyone can deploy

DevOps End users

Automate environment provisioning
Automate application deployment

Simple general commands
No Domain Specific Language (DSL)
Configuration with operating system commands
Disk space efficiency
Memory efficiency
Speed
Compatibility (run anywhere)
Isolation

Since March 2013
Soon: 1.0 production ready release
Around 400 contributorsAround 400 contributors
1.2M+ container downloads

Docker on Ubuntu 14.04
apt-get install docker.io
docker.io run -i -t ubuntu:saucy
/bin/bash

FROM ubuntu:saucy
# Add oracle java 7 repository
RUN apt-get -y install software-properties-common
RUN add-apt-repository ppa:webupd8team/java
RUN apt-get update && apt-get -y upgradeRUN apt-get update && apt-get -y upgrade
# Accept the Oracle Java license
RUN echo "oracle-java7-installer shared/accepted-oracle-license-
v1-1 boolean true" | debconf-set-selections
# Install Oracle Java
RUN apt-get -y install oracle-java7-installer
ENV JAVA_HOME /usr/lib/jvm/java-7-oracle

FROM GeneralBase
RUN apt-get install -y wget unzip
RUN wget
http://dist.sonar.codehaus.org/sonarqube-http://dist.sonar.codehaus.org/sonarqube-
4.2.zip
RUN unzip sonarqube-4.2.zip -d /opt
RUN rm sonarqube-4.2.zip
EXPOSE 9000
EXPOSE 9092
CMD ["/opt/sonarqube-4.2/bin/linux-x86-
64/sonar.sh", "console", "/bin/bash"]

Create ‘Dockerfile’
Build the containers:Build the containers:
docker.io build -t GeneralBase .
docker.io build -t Sonar .
Start proces:
docker.io run -p 9000:9000
–p 9092:9092 -d Sonar

# docker.io ps –a
CONTAINER ID: ecbecf77461b
IMAGE: Sonar:latest
COMMAND: /opt/sonarqube-4.2/bCOMMAND: /opt/sonarqube-4.2/b
CREATED: 32 minutes ago
STATUS: Up 32 minutes
PORTS: 0.0.0.0:9000->9000/tcp,
0.0.0.0:9092->9092/tcp
NAMES: sick_nobel

Start / stop / restart
docker.io [start / stop / restart] containerid
Show processes running in container
docker.io top containerid

Create image from container
docker.io commit containeriddocker.io commit containerid
username/imagename
docker.io push username/imagename

GeneralBaseGeneralBaseGeneralBaseGeneralBase
AppServerBaseAppServerBaseAppServerBaseAppServerBase JenkinsJenkinsJenkinsJenkins SonarSonarSonarSonar GitblitGitblitGitblitGitblit NexusNexusNexusNexus
Environment DEnvironment DEnvironment DEnvironment D
Environment TEnvironment TEnvironment TEnvironment T
Environment AEnvironment AEnvironment AEnvironment A
Environment PEnvironment PEnvironment PEnvironment P
JenkinsDataContainerJenkinsDataContainerJenkinsDataContainerJenkinsDataContainer

Dockerfile
ENV JENKINS_HOME /var/JenkinsData
Docker commandsDocker commands
docker.io run -v /var/JenkinsData –name
JenkinsDataContainer ubuntu:saucy true
docker.io run -p 8080:8080 --volumes-from
JenkinsDataContainer -d Jenkins

# docker.io images --tree
└─ 179.9 MB Tags: ubuntu:saucy
└─253.6 MB
└─741.8 MB Tags: GeneralBase:latest
└─763.6 MB Tags: AppServerBase:latest└─763.6 MB Tags: AppServerBase:latest
├─763.6 MB Tags: EnvironmentP:latest
├─763.6 MB Tags: EnvironmentA:latest
├─763.6 MB Tags: EnvironmentT:latest
└─763.6 MB Tags: EnvironmentD:latest
└─865.6 MB Tags: Nexus:latest
└─808.3 MB Tags: Gitblit:latest
└─901.5 MB Tags: Sonar:latest
└─805.4 MB Tags: Jenkins:latest

Stop containers
docker.io stop $(docker.io ps -a -q)
Remove containersRemove containers
docker.io rm $(docker.io ps -a -q)
Remove images
docker.io rmi $(docker.io images -q)

real 4m11.729sreal 4m11.729s
user 0m3.329s
sys 0m10.054s

Simple to use
Really popular
Used in many organizations
Regular updatesRegular updates
Big community creating plugins etc.
Most developers already use it

Continuous delivery
Continuous deployment

1
2
5
3
4
5
6
7
8

Execute job after several (parallel) jobs are finished.
FirstJob
ParallelJob1
ParallelJob2
LastJob

Good looking join
Complex workflow
EtceteraEtcetera
Advantage: Jenkins jobs are the basis
and can be reused.
Try to keep it simple!

Build Flow Plugin
oDomain Specific Language
oFeatures like retry, parallel,oFeatures like retry, parallel,
guard/rescue (similar to try/finally)
Multijob Plugin
Delivery Pipeline Plugin

johan.janssen@infosupport.com