Gitlab CI-CD自动化部署SpringBoot项目的方法步骤

yum -y upgrade
yum -y install wget
yum -y install vim

sudo yum install -y curl policycoreutils-python openssh-server
sudo systemctl enable sshd
sudo systemctl start sshd

sudo firewall-cmd --permanent --add-service=http
sudo firewall-cmd --permanent --add-service=https
sudo systemctl reload firewalld

sudo yum install postfix
sudo systemctl enable postfix
sudo systemctl start postfix

wget https://mirrors.tuna.tsinghua.edu.cn/gitlab-ce/yum/el7/gitlab-ce-13.4.0-ce.0.el7.x86_64.rpm

rpm -i gitlab-ce-13.4.0-ce.0.el7.x86_64.rpm --nodeps --force

vim  /etc/gitlab/gitlab.rb

gitlab-ctl reconfigure
gitlab-ctl restart

sudo curl -L --output /usr/local/bin/gitlab-runner https://gitlab-runner-downloads.s3.amazonaws.com/latest/binaries/gitlab-runner-linux-amd64

sudo chmod a+x /usr/local/bin/gitlab-runner

sudo useradd --comment 'GitLab Runner' --create-home gitlab-runner --shell /bin/bash

sudo gitlab-runner install --user=gitlab-runner --working-directory=/home/gitlab-runner
sudo gitlab-runner start

[root@localhost bin]# gitlab-runner register
Runtime platform                                    arch=amd64 os=linux pid=21527 revision=4e1f20da version=13.4.0
Running in system-mode.

Please enter the gitlab-ci coordinator URL (e.g. https://gitlab.com/):
http://192.168.56.10/

Please enter the gitlab-ci token for this runner:
PwF1sZPX_zsB-xChSKjH

Please enter the gitlab-ci description for this runner:
[localhost.localdomain]: test ci cd desc

Please enter the gitlab-ci tags for this runner (comma separated):
my-tag,other-tag

Registering runner... succeeded                     runner=PwF1sZPX
Please enter the executor: ssh, virtualbox, parallels, shell, docker-ssh, docker+machine, docker-ssh+machine, kubernetes, custom, docker:
docker

Please enter the default Docker image (e.g. ruby:2.6):
maven:3.3.9-jdk-8
Runner registered successfully. Feel free to start it, but if it's running already the config should be automatically reloaded!

#!/bin/bash
# 移除掉旧的版本
sudo yum remove docker \
                  docker-client \
                  docker-client-latest \
                  docker-common \
                  docker-latest \
                  docker-latest-logrotate \
                  docker-logrotate \
                  docker-selinux \
                  docker-engine-selinux \
                  docker-engine

# 删除所有旧的数据
sudo rm -rf /var/lib/docker

#  安装依赖包
sudo yum install -y yum-utils \
  device-mapper-persistent-data \
  lvm2

# 添加源，使用了阿里云镜像
sudo yum-config-manager \
    --add-repo \
    http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

# 配置缓存
sudo yum makecache fast

# 安装最新稳定版本的docker
sudo yum install -y docker-ce

# 配置镜像加速器
sudo mkdir -p /etc/docker
sudo tee /etc/docker/daemon.json <<-'EOF'
{
  "registry-mirrors": ["http://hub-mirror.c.163.com"]
}
EOF

# 启动docker引擎并设置开机启动
sudo systemctl start docker
sudo systemctl enable docker

# 配置当前用户对docker的执行权限
sudo groupadd docker
sudo gpasswd -a ${USER} docker
sudo systemctl restart docker

vi /etc/ssh/sshd_config
修改：
PasswordAuthentication yes                      
PermitRootLogin yes

重启服务：
service sshd restart

tar -zxvf jdk-8u161-linux-x64.tar.gz
重命名：
mv jdk1.8.0_161 java1.8 

vi /etc/profile

添加以下内容：
export JAVA_HOME=/usr/local/java1.8
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
保存退出

source /etc/profile
java -version

tar -zxvf apache-maven-3.3.9-bin.tar.gz 

重命名：
mv apache-maven-3.3.9 maven-3.3.9 

vi /etc/profile

添加以下内容：
export MAVEN_HOME=/usr/local/maven-3.3.9
export PATH=$MAVEN_HOME/bin:$PATH
保存退出

source /etc/profile
mvn -v

mkdir gitlab-project

# 定义一些变量, 下面各阶段会使用
variables:
  server_ip: 192.168.56.12
  jar_name: demo-0.0.1-SNAPSHOT.jar
  java_path: /usr/local/java1.8/bin
  upload_path: /usr/local/gitlab-project

# 定义执行的各个阶段及顺序
stages:
  - build
  - upload
  - deploy

# 使用 maven 镜像打包项目
maven-build:
  stage: build
  image: maven:3.5.0-jdk-8
  script:
    - mvn package -B -Dmaven.test.skip=true
  cache:
    key: m2-repo
    paths:
      - .m2/repository
  artifacts:
    paths: 
      - target/$jar_name

# 上传生成的 jar 包到你的应用服务器，这里使用 ictu/sshpass 这个镜像，是为了使用 sshpass 命令
upload-jar:
  stage: upload
  image: ictu/sshpass
  script: 
    - ls -l target/
    - sshpass -p $ssh_password scp -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no target/$jar_name root@$server_ip:$upload_path/$jar_name

# 启动 SpringBoot jar包
deploy-test:
  stage: deploy
  image: ictu/sshpass
  script:
    - sshpass -p $ssh_password ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no root@$server_ip "nohup $java_path/java -jar $upload_path/$jar_name >/dev/null 2>&1 &"

[root@localhost gitlab-project]# jps
22119 Jps
22073 demo-0.0.1-SNAPSHOT.jar
[root@localhost gitlab-project]# curl localhost:8080
Spring is here!