系统环境

安装 Git

// 查看当前git版本
$ git --version

// 如果小于1.7.10则先卸载
$ yum remove git

// 下载最新的git并安装
$ wget -O git-src.zip https://github.com/git/git/archive/master.zip
$ unzip git-src.zip
$ cd git-src
$ make prefix=/usr/local all
$ make prefix=/usr/local install
$ ln -fs /usr/local/bin/git* /usr/bin/

安装 Ruby

$ mkdir /tmp/ruby && cd /tmp/ruby
$ curl --progress ftp://ftp.ruby-lang.org/pub/ruby/ruby-2.4.1.tar.gz | tar xz
$ cd ruby-2.4.1
$ ./configure --disable-install-rdoc
$ make && make install

ln -s /usr/local/bin/ruby /usr/bin/ruby
ln -s /usr/local/bin/gem /usr/bin/gem
ln -s /usr/local/bin/bundle /usr/bin/bundle

// 设置ruby gem源为淘宝
gem source -r https://rubygems.org/
gem source -a https://gems.ruby-china.org/
gem install bundler --no-ri --no-rdoc

添加git帐号并允许sudo

$ useradd --comment 'GitLab' git
$ echo "git ALL=(ALL)       NOPASSWD: ALL" >>/etc/sudoers

删除yonghugit

userdel git

安装MySQL及初始化GitLab库

$ yum install mysql mysql-devel mysql-server -y
$ /etc/init.d/mysqld start
$ chkconfig mysqld on

// 登录mysql创建gitab的帐号和数据库
mysql> CREATE USER 'gitlab'@'localhost' IDENTIFIED BY 'gitlab';
mysql> CREATE DATABASE IF NOT EXISTS `gitlabhq_production` DEFAULT CHARACTER SET `utf8` COLLATE `utf8_unicode_ci`;
mysql> GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, DROP, INDEX, ALTER ON `gitlabhq_production`.* TO 'gitlab'@'localhost';
mysql> flush privileges;

//测试是否可以用git帐号登录数据库
sudo -u git -H mysql -u gitlab -p -D gitlabhq_production

安装 Redis

$ yum -y install redis
$ /etc/init.d/redis start
$ chkconfig redis on

安装 GitLab

$ /home/git
$ sudo -u git -H git clone https://gitlab.com/gitlab-org/gitlab-ce.git -b 7-8-stable gitlab
$ cd /home/git/gitlab-ce/
$ sudo -u git -H cp config/gitlab.yml.example config/gitlab.yml

// 编辑git路径, gitlab的host:port
$ vim config/gitlab.yml
// bin_path: /usr/local/bin/git
// host: localhost
// port: 80 

// 给文件夹添加相应的权限
$ chown -R git log/
$ chown -R git tmp/
$ chmod -R u+rwX  log/
$ chmod -R u+rwX  tmp/

// 创建必要的文件夹，以及复制配置文件
sudo -u git -H mkdir /home/git/gitlab-satellites
sudo -u git -H mkdir tmp/pids/
sudo -u git -H mkdir tmp/sockets/
sudo chmod -R u+rwX  tmp/pids/
sudo chmod -R u+rwX  tmp/sockets/
sudo -u git -H mkdir public/uploads
sudo chmod -R u+rwX  public/uploads
sudo -u git -H cp config/unicorn.rb.example config/unicorn.rb
sudo -u git -H cp config/initializers/rack_attack.rb.example config/initializers/rack_attack.rb

// 配置数据库连接信息
$ sudo -u git cp config/database.yml.mysql config/database.yml
$ sudo -u git -H vim  config/database.yml
$ vim config/database.yml
// production:
//     username: gitlab
//     password: "gitlab"

安装 GitLab-Shell

$ cd /home/git
$ sudo -u git -H git clone https://gitlab.com/gitlab-org/gitlab-shell.git -b v2.6.0
$ cd gitlab-shell/
$ sudo -u git -H cp config.yml.example config.yml

// 编辑配置文件, 设置gitlab_url, redis-cli, log-level...
$ vim config.yml
 gitlab_url: "http://localhost/"
 /usr/bin/redis-cli

// 安装git-shell
$ sudo -u git -H ./bin/install

安装需要ruby的gems

$ cd /home/git/gitlab-ce/
$ chown -R git /home/git/
$ sudo -u git -H /usr/local/bin/bundle install --deployment --without development test postgres aws

初始化数据库(创建GitLab相关表)

$ sudo -u git -H bundle exec rake gitlab:setup RAILS_ENV=production

安装启动文件以及日志切割文件

cd /home/git/gitlab-ce/
cp lib/support/init.d/gitlab /etc/init.d/gitlab
cp lib/support/init.d/gitlab.default.example /etc/default/gitlab
cp lib/support/logrotate/gitlab /etc/logrotate.d/gitlab

设置git帐号信息

$ sudo -u git -H git config --global user.name "mimvp"
$ sudo -u git -H git config --global user.email "test@mimvp.com"
$ sudo -u git -H git config --global core.autocrlf input

安装 Nginx

$ yum -y install nginx
$ vim /etc/nginx/nginx.conf
user              root git;
worker_processes  2;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}

http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
	# GITLAB
	# Maintainer: @randx
	# App Version: 5.0

	upstream gitlab {
	  server unix:/home/git/gitlab/tmp/sockets/gitlab.socket;
	}

	server {
	  listen *:80 default_server;         # e.g., listen 192.168.1.1:80; In most cases *:80 is a good idea
	  server_name YOUR_SERVER_FQDN;     # e.g., server_name source.example.com;
	  server_tokens off;     # don't show the version number, a security best practice
	  root /home/git/gitlab/public;

	  # Set value of client_max_body_size to at least the value of git.max_size in gitlab.yml
	  client_max_body_size 5m;

	  # individual nginx logs for this gitlab vhost
	  access_log  /var/log/nginx/gitlab_access.log;
	  error_log   /var/log/nginx/gitlab_error.log;

	  location / {
		# serve static files from defined root folder;.
		# @gitlab is a named location for the upstream fallback, see below
		try_files $uri $uri/index.html $uri.html @gitlab;
	  }

	  # if a file, which is not found in the root folder is requested,
	  # then the proxy pass the request to the upsteam (gitlab unicorn)
	  location @gitlab {
		proxy_read_timeout 300; # https://github.com/gitlabhq/gitlabhq/issues/694
		proxy_connect_timeout 300; # https://github.com/gitlabhq/gitlabhq/issues/694
		proxy_redirect     off;

		proxy_set_header   X-Forwarded-Proto $scheme;
		proxy_set_header   Host              $http_host;
		proxy_set_header   X-Real-IP         $remote_addr;
		proxy_set_header   X-Forwarded-For   $proxy_add_x_forwarded_for;

		proxy_pass http://gitlab;
	  }
	}
}

更改权限，启动nginx

$ nginx -t
$ chown -R git:git /var/lib/nginx/
$ /etc/init.d/nginx start

检测当前环境

sudo -u git -H bundle exec rake gitlab:env:info RAILS_ENV=production

拉取gitlab静态资源文件

$ sudo -u git -H bundle exec rake assets:precompile RAILS_ENV=production

启动 gitlab

$ /etc/init.d/gitlab start

检测各个组件是否正常工作

$ sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production

错误处理

1. gem install mysql2 -v '0.3.20'

An error occurred while installing mysql2 (0.3.20), and Bundler cannot continue.
Make sure that `gem install mysql2 -v '0.3.20'` succeeds before bundling.

解决：

yum -y install mysql-devel

2. gem install pg -v '0.18.4'

An error occurred while installing pg (0.18.4), and Bundler cannot continue.
Make sure that `gem install pg -v '0.18.4'` succeeds before bundling.

解决：

yum -y install postgresql-devel

3. gem install rugged -v '0.25.1.1'

An error occurred while installing rugged (0.25.1.1), and Bundler cannot continue.
Make sure that `gem install rugged -v '0.25.1.1'` succeeds before bundling.

解决：

yum -y install python-devel libicu-devel zlib-devel
yum -y install cmake

4. gem install sqlite3 -v '1.3.13'

An error occurred while installing sqlite3 (1.3.13), and Bundler cannot continue.
Make sure that `gem install sqlite3 -v '1.3.13'` succeeds before bundling.
 

参考推荐：

CentOS 6.5安装GitLab全过程和问题记录

GitLab 搭建自己的私有 GitHub （推荐）

Gitlab + Jenkins 搭建持续集成(CI)环境 （推荐）

CentOS 6.5 + Jira 6.3.6 + MySQL 破解汉化安装 （推荐）