Jenkins -- details of deploying Jenkins with docker

. Thinking 2021-01-21 18:17:34
jenkins details deploying jenkins docker


Preface

  • System version Centos7.8 X64
  • Docker edition 18.09+
  • install docker-compose
  • RSA Format ssh A key pair , To pull gitlab Code and ssh Deploy to each application server , have access to ssh-keygen -t rsa To generate

step

Docker install

  1. install Docker service
curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun
  1. start-up Docker service
systemctl start docker
systemctl enable docker
  1. verification docker Is the installation successful
docker run hello-world

  1. install Docker-composer service
sudo curl -L "https://github.com/docker/compose/releases/download/1.27.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
  1. Grant Execution Authority
chmod +x /usr/local/bin/docker-compose
  1. verification docker-composer Is the installation successful
docker-compose --version

Jenkins install

The overall directory structure is as follows

app
└── data
├── deploy
│   └── jenkins
│   ├── config
│   ├── docker-composer.yml
│   └── Dockerfile
└── jenkins
├── certs
└── data

Create deployment directory and data directory

# Deposit docker-compose Related configuration files
mkdir -p /app/data/deploy/jenkins
# Deposit Jenkins Certificate related documents
mkdir -p /app/data/jenkins/certs
# Deposit Jenkins Data files
mkdir -p /app/data/jenkins/data
# Modify the permissions
cd /app/data
chmod 775 -R jenkins/
chown -R 1000:1000 jenkins/

Create the corresponding file configuration

Entry directory

cd /app/data/deploy/jenkins/

docker-composer.yml

version: "2"
services:
jenkins-blueocean:
build:
context: .
container_name: jenkins-blueocean
network_mode: bridge
ports:
- 8088:8080
# - 50000:50000
environment:
# - DOCKER_HOST=tcp://docker:2376
# - DOCKER_CERT_PATH=/certs/client
# - DOCKER_TLS_VERIFY=1
- TZ=Asia/Shanghai
- JENKINS_UC="https://mirrors.tuna.tsinghua.edu.cn/jenkins/"
- JENKINS_UC_DOWNLOAD="https://mirrors.tuna.tsinghua.edu.cn/jenkins/"
- JENKINS_OPTS="-Dhudson.model.UpdateCenter.updateCenterUrl=https://mirrors.tuna.tsinghua.edu.cn/jenkins/updates/update-center.json"
volumes:
- /app/data/jenkins/certs:/certs/client:ro
- /app/data/jenkins/data:/var/jenkins_home
depends_on:
- jenkins-docker
links:
- jenkins-docker:docker
jenkins-docker:
image: docker:19.03.14-dind
container_name: jenkins-docker
privileged: true
network_mode: bridge
command: --config-file /etc/docker/daemon.json
ports:
- 2376:2376
environment:
- DOCKER_TLS_CERTDIR=/certs
volumes:
- ./config/daemon.json:/etc/docker/daemon.json:ro
- /app/data/jenkins/certs:/certs/client
- /app/data/jenkins/data:/var/jenkins_home

Dockerfile

FROM jenkins/jenkins:2.263.1-lts-slim
USER root
COPY config/sources.list /etc/apt/sources.list
RUN apt-get update && apt-get install -y apt-transport-https \
ca-certificates curl gnupg2 \
software-properties-common \
vim \
rsync \
tree \
default-mysql-client
RUN curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add -
RUN apt-key fingerprint 0EBFCD88
RUN add-apt-repository \
"deb [arch=amd64] https://download.docker.com/linux/debian \
$(lsb_release -cs) stable"
RUN apt-get update && apt-get install -y docker-ce-cli
USER jenkins
# RUN jenkins-plugin-cli --plugins blueocean:1.24.3

config To configure

daemon.json
{
"registry-mirrors": [
# Alibaba cloud image acceleration address
"https://xxxx.mirror.aliyuncs.com"
],
"log-opts": {
"max-size": "100m",
"max-file": "3"
},
"live-restore": true
}
sources.list
deb http://mirrors.aliyun.com/debian/ buster main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ buster main non-free contrib
deb http://mirrors.aliyun.com/debian-security buster/updates main
deb-src http://mirrors.aliyun.com/debian-security buster/updates main
deb http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ buster-updates main non-free contrib
deb http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib
deb-src http://mirrors.aliyun.com/debian/ buster-backports main non-free contrib

Build launch Jenkins Mirror image

# Build a mirror image
docker-compose -f docker-composer.yml build
# Start the service
docker-compose -f docker-composer.yml up -d
# Check the log for the first login password
docker logs -f jenkins-blueocean

Jenkins initialization

Jenkins When it's fully started, a Jenkins is fully up and running journal , When you see this log, you can start to configure Jenkins 了 .

Sign in Jenkins

Enter the password you just got in the log to activate Jenkins

Wait for the plug-in to install automatically , If the installation fails due to network problems, try again



Set up admin Account and password

You can fill in the email at will

Set up Jenkins URL

URL Will be used to do Webhook And so on. And so on

Deployment completed


install Jenkins plug-in unit

Jenkins Automated Deployment relies on the collaboration of a series of plug-ins , So we need to install it in advance .

Configure upgrade site

Manage Jenkins->Manage Plugins-> senior

# Open source image
https://mirrors.huaweicloud.com/jenkins/updates/update-center.json
# Open source address
https://jenkins-zh.cn/tutorial/management/plugin/update-center/


Configuration plug-ins

Optional plug-ins Search for the following plug-ins and install

Blue Ocean ( Optional , If you want to use Blue Ocean In the case of view )
SSH Pipeline Steps
Pipeline Utility Steps
NodeJS
ansiColor

restart Jenkins

Restart when the plug-in is installed Jenkins

To configure maven Tools

install maven
# ssh Get into Jenkins The server
# Get into Jenkins Containers
docker exec -it jenkins-blueocean bash
# Enter the user home directory , The contents of the user's home directory are mounted on the data disk , You can put the installation program in it
cd ~
mkdir -p tools && cd tools
# Download installation package
curl https://mirrors.tuna.tsinghua.edu.cn/apache/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.zip -o apache-maven-3.6.3-bin.zip
# decompression
unzip apache-maven-3.6.3-bin.zip
# Remove the installation package
rm apache-maven-3.6.3-bin.zip
# To configure maven settings.xml
cd ~
mkdir -p .m2
# In the project maven The configuration file settings.xml File content write .m2/settings.xml In file
To configure maven

stay Jenkins Server Web On the interface System management -> Global tool configuration ->Maven-> newly added maven install

  • The name is M3( The name is very important , We need to use this name in our pipeline configuration )
  • Tick off Auto install check box
  • And set up MAVEN_HOME The address is /var/jenkins_home/tools/apache-maven-3.6.3
  • Click on preservation .

To configure NodeJS

Above installation Jenkins The plug-in process has been installed NodeJS plug-in unit , because NodeJS There are many versions , So we need to manually configure NodeJS install , So you can use it in the pipeline .
stay Jenkins Server Web On the interface System management -> Global tool configuration ->NodeJS-> newly added NodeJS install

  • Alias set to NODEJS10( The name is very important , We need to use this name in our pipeline configuration )
  • Choose the version NodeJS10.23.0( You can choose... According to your needs )
  • Click on preservation .

To configure Jenkins

To configure Jenkins The credentials

Jenkins Provide the function of credential management to help us store the secret account password 、 Information such as private keys , In the configuration Pipeline We need to create the relevant credentials before we start .

  • Generate ssh Key pair
# ssh Get into Jenkins The server
# Get into Jenkins Containers
docker exec -it jenkins-blueocean bash
# Go to the main directory
cd ~
# Generate RSA Key pair
ssh-keygen -m PEM -t rsa

stay Jenkins On the interface System management -> manage credentials ` Create the following global ssh Key pair credentials , Fill in ID、 describe 、 User name and private key information

  • jenkins-ssh-deploy be used for ssh Deploy , Fill in the target operation and maintenance account with the user name , Such as root

  • jenkins-ssh-gitlab For from gitlab Pull code , Fill in the user name jenkins

  • gitlab On jenkins Add this ssh key

in order to Jenkins Can perform deployment tasks normally , Each application server operation and maintenance account should trust the key pair generated above .

Please refer to this article [https://www.cnblogs.com/wangyang0210/archive/2004/01/13/9722922.html]

Create a shared class library

Jenkins Pipeline Support shared class libraries to reduce redundant code , We reuse code and manage deployment related configurations in this way .

System management -> The system configuration ->Global Pipeline Libraries Click Add to create a shared class library , The basic information is as follows :

Security configuration

System management -> Global security configuration -> Project matrix authorization strategy

Just authorize according to your own needs

Report errors

Build error reporting

It's just a record , The above steps have been changed to the correct ones .

ERROR:
Can't find a suitable configuration file in this directory or any
parent. Are you in the right directory?
Supported filenames: docker-compose.yml, docker-compose.yaml
# Solve mistakes
1. docker The service did not start
2. Use -f Specify profile

Start container error

[root@localhost jenkins]# docker logs -f jenkins-blueocean
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?
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?
# Solve mistakes
1. Directory permission error (chown -R 1000:1000 < Local mapping directory >)
版权声明
本文为[. Thinking]所创,转载请带上原文链接,感谢
https://javamana.com/2021/01/20210121181640556x.html

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