jenkins安裝

使用docker-compose安裝
docker-compose.yml:

version: '3'
services:
  jenkins:
    image: 'jenkins/jenkins:lts'
    container_name: jenkins
    restart: always
    ports:
      - '8080:8080'
      - '50000:50000'
    volumes:
      - '/var/jenkins_home:/var/jenkins_home'

運行前需要分配權限

sudo chown -R /var/jenkins_home

如果按照上面做還是出現(xiàn)Permission denied錯誤印屁，那么可以檢查一下selinux狀態(tài)峦筒，開啟的情況下會導致一些服務安裝、使用不成功。
查看selinux狀態(tài):

[root@localhost ~]# sestatus  
SELinux status:                 enabled  
SELinuxfs mount:                /sys/fs/selinux  
SELinux root directory:         /etc/selinux  
Loaded policy name:             targeted  
Current mode:                   enforcing  
Mode from config file:          enforcing  
Policy MLS status:              enabled  
Policy deny_unknown status:     allowed  
Max kernel policy version:      28
臨時關閉配乓，

[root@localhost ~]# setenforce 0
1
永久關閉,可以修改配置文件/etc/selinux/config,將其中SELINUX設置為disabled，如下，

[root@localhost ~]# cat /etc/selinux/config   

# This file controls the state of SELinux on the system.  
# SELINUX= can take one of these three values:  
#     enforcing - SELinux security policy is enforced.  
#     permissive - SELinux prints warnings instead of enforcing.  
#     disabled - No SELinux policy is loaded.  
#SELINUX=enforcing  
SELINUX=disabled  
# SELINUXTYPE= can take one of three two values:  
#     targeted - Targeted processes are protected,  
#     minimum - Modification of targeted policy. Only selected processes are protected.   
#     mls - Multi Level Security protection.  
SELINUXTYPE=targeted

[root@rdo ~]# sestatus  
SELinux status:                 disabled

docker-compose up -d啟動jenkins,訪問Jenkins網(wǎng)址[http://[server_ip]:8080]
This may also be found at: /var/jenkins_home/secrets/initialAdminPassword在這里可以發(fā)現(xiàn)初始密碼
jenkins容器是無法識別容器外的git,maven,jdk的

直接把他們的宿主機上的安裝位置掛載給容器今豆，使其能訪問
如果外部沒裝，jenkins自帶了git和jdk,docker exec -it 容器id /bin/bash
進入容器柔袁，echo $JAVA_HOME找到java路徑呆躲，which git 找到git路徑,jenkins 容器中一般沒有 maven 提供的，所以 jenkins 配置中我使用 install automatically

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