centos7.2定制属于自己的docker私有库

CentOS 前端之家
前端之家收集整理的这篇文章主要介绍了centos7.2定制属于自己的docker私有库，前端之家小编觉得挺不错的，现在分享给大家，也给大家做个参考。


解决http协议的问题：

方法一：解决HTTPS问题

安装Nginx，配置HTTPS协议

方法二：修改docker的配置文件

vim /etc/default/docker增加

OPTIONS="--insecure-registry192.168.10.249:5000"


准备配置环境：

主机名 主机IP 服务
docker-images 10.0.0.5 docker 私有库库配置
10.0.0.6 docker 客户端 
[root@docker-images~]#cat/etc/redhat-release
CentOSLinuxrelease7.2.1511(Core)
[root@docker-images~]#uname-r
3.10.0-327.el7.x86_64
[root@docker-images~]#uname-m
x86_64
[root@docker-images~]#uname-a
Linuxdocker-images3.10.0-327.el7.x86_64#1SMPThuNov1922:10:57UTC2015x86_64x86_64x86_64GNU/Linux
[root@docker-images~]#

开始配置（镜像库）

1、关闭防火墙和selinux

[root@docker-images~]#systemctlstopfirewalld
[root@docker-images~]#systemctldisablefirewalld#永久
[root@docker-images~]#setenforce0
[root@docker-images~]#getenforce
Permissive
[root@docker-images~]#

2、安装docker

yuminstalldocker
[root@docker-images~]#systemctlenabledocker#加入开机自启动
[root@docker-images~]#systemctlstartdocker#开启服务

3、下载本地私有库registry

[root@docker-images~]#dockerpullregistry#默认下载最新版
[root@docker-images~]#dockerimages#查看下载的镜像
REPOSITORYTAGIMAGEIDCREATEDSIZE
docker.io/registrylatest047218491f8c10daysago33.17MB
[root@docker-images~]#

4、基于私有仓库镜像运行容器

[root@docker-images~]#dockerrun-d-p5000:5000-v/opt/data/registry:/tmp/registrydocker.io/registry
#默认仓库创建在/tmp/registry，用-v参数指定仓库存放位置
1e8b1a03013ee66034b40aee1820000a2ccf026a3b1e43606f3e4007b2a9d455
[root@docker-images~]#
[root@docker-images~]#dockerps#查看运行容器
CONTAINERIDIMAGECOMMANDCREATEDSTATUSPORTSNAMES
1e8b1a03013edocker.io/registry"/entrypoint.sh/etc/"35secondsagoUp32seconds0.0.0.0:5000->5000/tcpgoofy_mcnulty
[root@docker-images~]#

5、访问私有仓库

[root@docker-images~]#curl127.0.0.1:5000/v2
<ahref="/v2/">MovedPermanently</a>.
[root@docker-images~]#
#说明registry部署成功

6、为基础镜像打标签

[root@docker-images~]#dockersearchdocker.io/fedora/ssh|grepdocker.io/fedora/ssh
docker.iodocker.io/fedora/ssh20[OK]
[root@docker-images~]#dockerpulldocker.io/fedora/ssh#下载镜像
[root@docker-images~]#dockerimages
REPOSITORYTAGIMAGEIDCREATEDSIZE
docker.io/registrylatest047218491f8c10daysago33.17MB
docker.io/fedora/sshlatestad6a3ff296264weeksago396.7MB
[root@docker-images~]#dockertagdocker.io/fedora/ssh127.0.0.1:5000/ssh#打标签
[root@docker-images~]#dockerimages
REPOSITORYTAGIMAGEIDCREATEDSIZE
docker.io/registrylatest047218491f8c10daysago33.17MB
127.0.0.1:5000/sshlatestad6a3ff296264weeksago396.7MB
docker.io/fedora/sshlatestad6a3ff296264weeksago396.7MB
[root@docker-images~]#
[root@docker-images~]#vim/etc/sysconfig/docker
OPTIONS="--selinux-enabled--insecure-registry10.0.0.5:5000"#定制私有仓库URL
[root@docker-images~]#systemctlrestartdocker

7、提交镜像到本地私有库

[root@docker-images~]#dockerstart1e8#开启本地库
1e8
[root@docker-images~]#dockerps
CONTAINERIDIMAGECOMMANDCREATEDSTATUSPORTSNAMES
1e8b1a03013edocker.io/registry"/entrypoint.sh/etc/"4hoursagoUp3seconds0.0.0.0:5000->5000/tcpgoofy_mcnulty
[root@docker-images~]#
[root@docker-images~]#dockerpush127.0.0.1:5000/ssh#上传打好标签的库
Thepushreferstoarepository[127.0.0.1:5000/ssh]
482d621bda33:Pushed
510f15c27a8b:Pushed
e4f86288aaf7:Pushed
latest:digest:sha256:5ad5aec14bb7aa63fdcea1772db6ab5b5de99b0a023d234e61f5aa8c9435e8ffsize:948
[root@docker-images~]#

8、查看已经上传好的镜像

[root@docker-images~]#curl10.0.0.5:5000/v2/_catalog
{"repositories":["ssh"]}
[root@docker-images~]#

浏览器中查看已经上传的镜像

http://10.0.0.5:5000/v2/_catalog

spacer.gif

wKioL1jJFdSDmVDYAAAUQual9v4507.png-wh_50

9、测试库是否可用，在准备好环境的另一台测试机上面下载上传的镜像

[root@centos7~]#vim/etc/sysconfig/docker#加入私有仓库地址
OPTIONS="--selinux-enabled--insecure-registry10.0.0.5:5000"
[root@centos7~]#systemctlrestartdocker
[root@centos7~]#dockerpull10.0.0.5:5000/ssh

spacer.gif

wKiom1jJFdLDUl-3AACNy94e_Ok417.jpg-wh_50

可以看到已经可以下载镜像，证明私有仓库创建成功

[root@centos7~]#dockerimages
REPOSITORYTAGIMAGEIDCREATEDSIZE
10.0.0.5:5000/sshlatestad6a3ff296264weeksago396.7MB
[root@centos7~]#

接下来通过自己的私有库运行一个centos7容器

1、从其他的数据库上save一个centos镜像推送到私有库服务器上

[root@docker-images~]#ls
anaconda-ks.cfgcentos.tar
[root@docker-images~]#dockerload<centos.tar#将镜像导入docker
34e7b85d83e4:Loadinglayer[==================================================>]199.9MB/199.9MB
Loadedimage:docker.io/centos:latest]557.1kB/199.9MB
[root@docker-images~]#dockerimages
REPOSITORYTAGIMAGEIDCREATEDSIZE
docker.io/registrylatest047218491f8c10daysago33.17MB
127.0.0.1:5000/sshlatestad6a3ff296264weeksago396.7MB
docker.io/fedora/sshlatestad6a3ff296264weeksago396.7MB
docker.io/centoslatest67591570dd2912weeksago191.8MB
[root@docker-images~]#

2、再次打上自己的标签

[root@docker-images~]#dockertagdocker.io/centos:latest10.0.0.5:5000/lcentos
#为了区别前面的，我将centos做了其他标记
[root@docker-images~]#dockerimages
REPOSITORYTAGIMAGEIDCREATEDSIZE
docker.io/registrylatest047218491f8c10daysago33.17MB
127.0.0.1:5000/sshlatestad6a3ff296264weeksago396.7MB
docker.io/fedora/sshlatestad6a3ff296264weeksago396.7MB
docker.io/centoslatest67591570dd2912weeksago191.8MB
10.0.0.5:5000/lcentoslatest67591570dd2912weeksago191.8MB
[root@docker-images~]#

3、上传标记好的镜像到自己的私有库

[root@docker-images~]#dockerpush10.0.0.5:5000/lcentos

spacer.gif

wKioL1jJFdWyRn3uAAAVS7YL4vw332.png-wh_50

4、查看上传好的镜像

[root@docker-images~]#curlhttp://10.0.0.5:5000/v2/_catalog
{"repositories":["lcentos","ssh"]}
[root@docker-images~]#

浏览器查看

spacer.gif

wKiom1jJFdWzQ9KKAAAVEZDA56Q889.png-wh_50

5、再次到准备好环境的那台测试机上面pull

[root@centos7~]#dockerpull10.0.0.5:5000/lcentos
[root@centos7~]#dockerimages
REPOSITORYTAGIMAGEIDCREATEDSIZE
10.0.0.5:5000/sshlatestad6a3ff296264weeksago396.7MB
10.0.0.5:5000/lcentoslatest67591570dd2912weeksago191.8MB
[root@centos7~]#

6、创建并运行一个容器

[root@centos7~]#dockerrun-d-it--privileged=false-p80:80--nameabccentos10.0.0.5:5000/lcentos/bin/bash
15b9f42b3d63846085664139bff0c041f614bc2b717787686d23785d98b37160
[root@centos7~]#dockerps-a
CONTAINERIDIMAGECOMMANDCREATEDSTATUSPORTSNAMES
15b9f42b3d6310.0.0.5:5000/lcentos"/bin/bash"16secondsagoUp13seconds0.0.0.0:80->80/tcpabccentos
[root@centos7~]#

7、进入容器查看，可以看到centos的版本等信息

[root@centos7~]#dockerattach15b9f42b3d63
[root@15b9f42b3d63/]#cat/etc/redhat-release
CentOSLinuxrelease7.3.1611(Core)
[root@15b9f42b3d63/]#uname-r
3.10.0-327.el7.x86_64
[root@15b9f42b3d63/]#uname-a
Linux15b9f42b3d633.10.0-327.el7.x86_64#1SMPThuNov1922:10:57UTC2015x86_64x86_64x86_64GNU/Linux
[root@15b9f42b3d63/]#

8、还可以在此操作系统中安装部署Nginx。

[root@15b9f42b3d63yum.repos.d]#yum-yinstallwget#安装wget，方便安装epel源
[root@15b9f42b3d63yum.repos.d]#mvCentOS-Base.repoCentOS-Base.repo.bak
[root@15b9f42b3d63yum.repos.d]#wget-O/etc/yum.repos.d/CentOS-Base.repo
[root@15b9f42b3d63yum.repos.d]#wget-O/etc/yum.repos.d/epel.repohttp://mirrors.aliyun.com/repo/epel-7.repo
[root@15b9f42b3d63yum.repos.d]#yumcleanall
[root@15b9f42b3d63yum.repos.d]#yummakecache
[root@15b9f42b3d63yum.repos.d]#yum-yinstallNginx
[root@15b9f42b3d63yum.repos.d]#rpm-qa|grepNginx
Nginx-filesystem-1.10.2-1.el7.noarch
Nginx-mod-http-xslt-filter-1.10.2-1.el7.x86_64
Nginx-mod-mail-1.10.2-1.el7.x86_64
Nginx-mod-stream-1.10.2-1.el7.x86_64
Nginx-mod-http-perl-1.10.2-1.el7.x86_64
Nginx-mod-http-geoip-1.10.2-1.el7.x86_64
Nginx-mod-http-image-filter-1.10.2-1.el7.x86_64
Nginx-1.10.2-1.el7.x86_64
Nginx-all-modules-1.10.2-1.el7.noarch
[root@15b9f42b3d63yum.repos.d]#

9、查看服务

[root@15b9f42b3d63yum.repos.d]#Nginx#开启服务
[root@15b9f42b3d63yum.repos.d]#ps-ef|grepNginx
root1431020:48?00:00:00Nginx:masterprocessNginx
Nginx144143020:48?00:00:00Nginx:workerprocess
Nginx145143020:48?00:00:00Nginx:workerprocess
Nginx146143020:48?00:00:00Nginx:workerprocess
Nginx147143020:48?00:00:00Nginx:workerprocess
root1531020:49?00:00:00grep--color=autoNginx

10、查看端口

[root@15b9f42b3d63/]#netstat-lntup|grepNginx
tcp000.0.0.0:800.0.0.0:*LISTEN20/Nginx:masterpr
tcp600:::80:::*LISTEN20/Nginx:masterpr
[root@15b9f42b3d63/]#

11、浏览器访问

wKioL1jLXaPhyhblAACRzsWPDKk159.png-wh_50


以上就是整个创建私有镜像库的过程，欢迎一起交流学习。

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