参考官方文档：

https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update

本地服务器为4.0.1版本

 1）4.0.1->4.1

sudo service gitlab stop

cd /home/gitlab/gitlab/

sudo -u gitlab -H git fetch   ===>获取最新代码

sudo -u gitlab -H git stash

sudo -u gitlab -H git checkout 4-1-stable

sudo -u gitlab -H vim Gemfile

修改内容为：modernizr  改为modernizr-rails  版本 2.7.1

Gemfile.lock同样修改

注册mysql gem:

sudo -u gitlab -H bundle install --without development test postgres

sudo -u gitlab -H bundle exec rake db:migrate RAILS_ENV=production

sudo mv /etc/init.d/gitlab /etc/init.d/gitlab.old

sudo curl --location --output /etc/init.d/gitlab https://raw.github.com/gitlabhq/gitlab-recipes/4-1-stable/init.d/gitlab

sudo chmod +x /etc/init.d/gitlab

cp /home/gitlab/gitlab/lib/hooks/post-receive /home/git/.gitolite/hooks/common/post-receive

chown git:git  /home/git/.gitolite/hooks/common/post-receive

检查信息：

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

service gitlab start

2) 4.1->4.2

停止gitlab  nginx: service gitlab stop  ,service nginx stop

cd /home/gitlab/gitlab/

sudo -u gitlab -H git fetch

sudo -u gitlab -H git stash

sudo -u gitlab -H git checkout 4-2-stable

sudo -u gitlab -H vim Gemfile

修改内容为：modernizr  改为modernizr-rails  版本 2.7.1

Gemfile.lock也修改

# Run a bundle install without deployment to generate the new Gemfile

sudo -u gitlab -H bundle install --without development test postgres --no-deployment

====》报rake版本低，

gem install rake -v '10.0.3'

gem uninstall rake -v '0.9.2.2'

重新执行命令

# Install libs (with deployment this time)
sudo -u gitlab -H bundle install --without development test postgres --deployment

# update db
sudo -u gitlab -H bundle exec rake db:migrate RAILS_ENV=production

检查状态：

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

重启gitlab  nginx服务

如果报错：

解决方案：

sudo -u gitlab -H bundle exec rake gitlab:satellites:create RAILS_ENV=production

3）4.2->5.0

3.1)停止nginx gitlab:

service nginx stop && service gitlab stop

3.2)#add bash to git user:

sudo chsh -s /bin/bash git

3.3)#git clone gitlab-shell

cd /home/git/

sudo -u git -H git clone https://github.com/gitlabhq/gitlab-shell.git /home/git/gitlab-shell

3.4)#set up gitlab-shell

sudo chown git:git -R /home/git/repositories/

sudo su git

cd /home/git/gitlab-shell

git checkout v1.1.0

cp config.yml.example config.yml

vim config.yml

修改内容如下：注意IP后面要有/作为结尾  格式 https://IP/  不是http  ,如果这里选择https 需要设置ssl

我选择http

./support/rewrite-hooks.sh

ruby -v   #ruby版本要在1.9

exit

3.5)#Copy GitLab instance to git user

sudo cp -R /home/gitlab/gitlab /home/git/gitlab

sudo chown git:git -R /home/git/gitlab

sudo rm -rf /home/gitlab/gitlab-satellites

#if exists

sudo rm /tmp/gitlab.socket   ====>我验证时该文件不存在

3.6）#Update GitLab to recent version

cd /home/git/gitlab

sudo -u git -H cp config/gitlab.yml config/gitlab.yml.old

sudo -u git -H git fetch

sudo -u git -H git stash

sudo -u git -H git checkout 5-0-stable

sudo -u git -H cp config/gitlab.yml.example config/gitlab.yml

sudo -u git -H vim config/gitlab.yml   修改内容如下：

sudo -u git -H vim Gemfile

修改如下：

同理修改Gemfile.lock

sudo -u git -H bundle install --without development test postgres --no-deployment

====>这步如果出现输入密码也不行的问题

解决方案： root权限下 bundle install --without development test postgres --no-deloyment 再次执行上述命令

sudo -u git -H bundle install --without development test postgres --deployment

sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production

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

sudo -u git -H bundle exec rake gitlab:shell:build_missing_projects RAILS_ENV=production

sudo -u git -H mkdir -p /home/git/gitlab-satellites

sudo -u git -H bundle exec rake gitlab:satellites:create RAILS_ENV=production

sudo -u git -H bundle exec rake gitlab:wiki:migrate RAILS_ENV=production

# check permissions for /home/git/.ssh/
sudo -u git -H chmod 700 /home/git/.ssh
sudo -u git -H chmod 600 /home/git/.ssh/authorized_keys

# check permissions for /home/git/gitlab/
sudo chown -R git /home/git/gitlab/log/
sudo chown -R git /home/git/gitlab/tmp/
sudo chmod -R u+rwX  /home/git/gitlab/log/
sudo chmod -R u+rwX  /home/git/gitlab/tmp/
sudo -u git -H mkdir -p /home/git/gitlab/tmp/pids/
sudo chmod -R u+rwX  /home/git/gitlab/tmp/pids

3.7）#Update init.d script and Nginx config

# init.d
sudo rm /etc/init.d/gitlab
sudo curl --location --output /etc/init.d/gitlab https://raw.github.com/gitlabhq/gitlab-recipes/5-0-stable/init.d/gitlab
sudo chmod +x /etc/init.d/gitlab

# unicorn
sudo -u git -H cp /home/git/gitlab/config/unicorn.rb /home/git/gitlab/config/unicorn.rb.old
sudo -u git -H cp /home/git/gitlab/config/unicorn.rb.example /home/git/gitlab/config/unicorn.rb

# Nginx
# Replace path from '/home/gitlab/' to '/home/git/'
sudo vim /etc/nginx/sites-enabled/gitlab   ==>或者直接修改nginx.conf
sudo service nginx restart

3.8)启动gitlab

sudo service gitlab start

# check if unicorn and sidekiq started
# If not try to logout, also check replaced path from '/home/gitlab/' to '/home/git/'
# in Nginx, unicorn, init.d etc
ps aux | grep unicorn
ps aux | grep sidekiq

3.9)检查注册

sudo -u git -H /home/git/gitlab-shell/bin/check

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

3.10）清除旧版本

sudo userdel -r gitlab

cd /home/git

sudo -u git -H vim .profile ===>清除内容

sudo rm -R bin
sudo rm -Rf gitolite
sudo rm -R .gitolite
sudo rm .gitolite.rc
sudo rm -f gitlab.pub
sudo rm projects.list

sudo service gitlab stop
cd /home/git/gitlab
sudo rm -R tmp
sudo -u git -H mkdir tmp
sudo chmod -R u+rwX  tmp/

sudo -u git -H mkdir tmp/pids/
sudo chmod -R u+rwX  tmp/pids/

sudo reboot

启动gitlab :

/usr/local/bin/redis-server && service nginx start & service gitlab start

检查运行状况：

cd /home/git/gitlab

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

 4)5.0->5.1

4.1)停止gitlab  nginx服务

service gitlab stop && service nginx stop

4.2)获取最新的code

cd /home/git/gitlab
sudo -u git -H git fetch
 sudo -u git -H git stash

sudo -u git -H git checkout 5-1-stable

4.3)更新gitlab-shell

cd /home/git/gitlab-shell

sudo -u git -H git fetch

sudo -u git -H git stash

sudo -u git -H git checkout v1.3.0

sudo -u git -H mv config.yml config.yml.old

sudo -u git -H cp config.yml.example config.yml

sudo -u git -H vi config.yml  ===>修改url   gitlab_url: "http://10.2.177.35/"

4.4)Install libs, migrations

cd /home/git/gitlab

sudo rm tmp/sockets/gitlab.socket

sudo -u git -H cp config/puma.rb.example config/puma.rb

sudo -u git -H vim Gemfile  ====>修改`gem "modernizr-rails", "2.7.1"``

sudo -u git -H bundle install --without development test postgres --no-deployment

===》出现输入密码不起作用，解决方案之前一样：

root权限执行bundle 在执行该命令

===》

sudo -u git -H bundle install --without development test postgres --deployment

sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production

sudo -u git -H bundle exec rake migrate_merge_requests RAILS_ENV=production

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

4.5）更新启动脚本

sudo rm /etc/init.d/gitlab

sudo curl --location --output /etc/init.d/gitlab https://raw.github.com/gitlabhq/gitlab-recipes/5-1-stable/init.d/gitlab

sudo chmod +x /etc/init.d/gitlab

4.6）更改MySQL权限

登陆MySQL

GRANT LOCK TABLES ON `gitlabhq_production`.* TO 'gitlab'@'localhost';

flush privileges;

quit;

4.7)检查注册信息

service nginx start   ===>nginx要先于gitlab启动，否则会报错

service gitlab start

sudo -u git -H /home/git/gitlab-shell/bin/check

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

 5)5.1->5.2

备份：

cd /home/git/gitlab

sudo -u git -H bundle exec rake gitlab:backup:create RAILS_ENV=production

停止服务：

service gitlab stop && service nginx stop

更新代码：

cd /home/git/gitlab
sudo -u git -H git fetch

sudo -u git -H git stash
sudo -u git -H git checkout 5-2-stable

更新gitlab-shell

cd /home/git/gitlab-shell
sudo -u git -H git fetch
sudo -u git -H git checkout v1.4.0

更新lib等

cd /home/git/gitlab

sudo -u git -H vim Gemfile  ===》`gem "modernizr-rails", "2.7.1"``

sudo -u git -H bundle install --without development test postgres --no-deployment

sudo -u git -H bundle install --without development test postgres --deployment

sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production

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

更新config文件

vim /home/git/gitlab/config/gitlab.yml   ===>我的host是IP ，所以不用修改

vim home/git/gitlab/config/puma.rb     ====>我才用默认

更新启动脚本

cd /home/git/gitlab
sudo rm /etc/init.d/gitlab
sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab
sudo chmod +x /etc/init.d/gitlab

清理uploads目录

cd /home/git/gitlab
sudo -u git -H mkdir public/uploads
sudo chmod -R u+rwX  public/uploads

启动应用：

service gitlab start

service nginx restart

信息检查：

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

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

6）5.2->5.4

备份：

cd /home/git/gitlab
sudo -u git -H bundle exec rake gitlab:backup:create RAILS_ENV=production

停止服务：

sudo service gitlab stop

更新代码：

cd /home/git/gitlab
sudo -u git -H git fetch
sudo -u git -H git checkout 5-4-stable

更新gitlab-shell:

cd /home/git/gitlab-shell
sudo -u git -H git fetch
sudo -u git -H git checkout v1.7.9

更新lib等：

cd /home/git/gitlab

sudo -u git -H vim Gemfile ===>gem "modernizr-rails", "2.7.1"

sudo -u git -H bundle install --without development test postgres --no-deployment

sudo -u git -H bundle install --without development test postgres --deployment

sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production

#sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production

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

更新config文件：

vim /home/git/gitlab/config/gitlab.yml   ===》不改，原因同上  host没变

vim /home/git/gitlab/config/puma.rb    ===》不改

更新启动脚本：

sudo rm /etc/init.d/gitlab
sudo curl --location --output /etc/init.d/gitlab https://raw.github.com/gitlabhq/gitlabhq/5-4-stable/lib/support/init.d/gitlab
sudo chmod +x /etc/init.d/gitlab

启动服务：

sudo service gitlab start
sudo service nginx restart

检查运行状态：

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

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

7）5.4->6.0

备份：

cd /home/git/gitlab
sudo -u git -H bundle exec rake gitlab:backup:create RAILS_ENV=production

停止服务：

sudo service gitlab stop

获取新代码：

cd /home/git/gitlab
sudo -u git -H git fetch

sudo -u git -H git stash
sudo -u git -H git checkout 6-0-stable

更新gitlab-shell

cd /home/git/gitlab-shell
sudo -u git -H git fetch
sudo -u git -H git checkout v1.7.9

安装额外依赖包

yum install python-docutils

更新lib等：

cd /home/git/gitlab

sudo -u git -H vim Gemfile  ===》`gem "modernizr-rails", "2.7.1"``

Gemfile.lock也要修改

sudo -u git -H bundle install --without development test postgres --no-deployment

sudo -u git -H bundle install --without development test postgres --deployment

sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production
sudo -u git -H bundle exec rake migrate_groups RAILS_ENV=production
sudo -u git -H bundle exec rake migrate_global_projects RAILS_ENV=production
sudo -u git -H bundle exec rake migrate_keys RAILS_ENV=production
sudo -u git -H bundle exec rake migrate_inline_notes RAILS_ENV=production
sudo -u git -H bundle exec rake gitlab:satellites:create RAILS_ENV=production

sudo -u git -H bundle exec rake cache:clear RAILS_ENV=production

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

更新config文件

vim /home/git/gitlab/config/gitlab.yml

vim /home/git/gitlab/config/unicorn.rb

更新启动脚本

sudo rm /etc/init.d/gitlab
sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab
sudo chmod +x /etc/init.d/gitlab

启动脚本

sudo service gitlab start
sudo service nginx restart

运行检查：

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

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

8）6.0->7.14md

//git stash

8.1）停止服务：

service gitlab stop

8.2）更新ruby==>2.1.6

mkdir /tmp/ruby && cd /tmp/ruby

wget https://cache.ruby-lang.org/pub/ruby/2.1/ruby-2.1.6.tar.gz

tar zxvf ruby-2.1.6.tar.gz

cd ruby-2.1.6
./configure --disable-install-rdoc
make
sudo make install

sudo gem install bundler --no-ri --no-rdoc

8.3)获取新代码

cd /home/git/gitlab
sudo -u git -H git fetch --all
sudo -u git -H git checkout -- db/schema.rb

sudo -u git -H git checkout 7-14-stable

8.4）安装额外包

yum install logrotate cmake krb5-devel nodejs pkg-config  ===>pkg-config不知道redhat包名是上面，which pkg-config显示有输出，代表安装了

8.5）设置redis

由于已经安装了redis，修改配置

sudo cp /etc/redis/redis.conf /etc/redis/redis.conf.orig

sed 's/^port .*/port 0/' /etc/redis/redis.conf.orig | sudo tee /etc/redis/redis.conf

echo 'unixsocket /var/run/redis/redis.sock' | sudo tee -a /etc/redis/redis.conf

sudo sed -i '/# unixsocketperm/ s/^# unixsocketperm.*/unixsocketperm 0775/' /etc/redis/redis.conf

sudo service redis-server restart

sudo usermod -aG redis git

############如果没有在/etc/redis/下发现redis.conf

自己重新拷贝，创建目录即可

cp /opt/redis-xxx/utils/redis_init_script /etc/init.d/redisd

chmod +x /etc/init.d/redisd     ===>之后可以使用service redisd start 启动服务

vim /etc/init.d/redisd  ===>修改redis 的相关信息  如redis config的名字等

mkdir /etc/redis

cp /opt/redis-xxx/redis.conf   /etc/redis/redis.conf

############

sudo -u git -H cp config/resque.yml.example config/resque.yml

sudo -u git -H editor config/resque.yml  ====》默认不用修改

sudo -u git -H sed -i 's|^  # socket.*|  socket: /var/run/redis/redis.sock|' /home/git/gitlab-shell/config.yml

8.6）更新gitlab-shell

cd /home/git/gitlab-shell
sudo -u git -H git fetch
sudo -u git -H git checkout v2.6.5

8.7)更新lib

cd /home/git/gitlab

sudo -u git -H bundle install --without development test postgres --deployment

====>报Downloading gollum-lib-4.0.2 revealed dependencies not in the API or the lockfile (rouge (~> 1.7.4))

解决方案：修改rouge 版本为1.7.4 ===》修改  Gemfile.lock文件

sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production VERSION=20130909132950

sudo -u git -H bundle exec rake migrate_iids RAILS_ENV=production

sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production

sudo -u git -H bundle exec rake assets:clean assets:precompile cache:clear RAILS_ENV=production

sudo chmod u+rwx,g+rx,o-rwx /home/git/gitlab-satellites

sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab

8.8）更新config文件

检查 /home/git/gitlab/config/gitlab.yml   /home/git/gitlab/config/unicorn.rb /home/git/gitlab-shell/config.yml 三个文件的配置

sudo -u git -H cp config/initializers/rack_attack.rb.example config/initializers/rack_attack.rb

sudo cp lib/support/logrotate/gitlab /etc/logrotate.d/gitlab

8.9）检查nginx配置

检查nginx.conf配置  ====》可以不用改

检查tmp/uploads目录是否存在==》存在

8.10）启动服务检查运行状态

sudo service gitlab start
sudo service nginx restart

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

sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production  ===》如果报错

检查/home/git/gitlab-shell/config.yml中关于redis的路径/端口/IP是否与redis实际一致===》我的问题是redis-cli路径不对

 9)7.14->8.0 

要求git版本>2.2      ====>符合要求跳过

sudo service gitlab stop

cd /home/git/gitlab
sudo -u git -H bundle exec rake gitlab:backup:create RAILS_ENV=production

sudo -u git -H git fetch --all
sudo -u git -H git checkout -- db/schema.rb

sudo -u git -H git checkout 8-0-stable

cd /home/git/gitlab-shell
sudo -u git -H git fetch
sudo -u git -H git checkout v2.6.5

#######安装go

cd /opt/

wget http://storage.googleapis.com/golang/go1.5.linux-amd64.tar.gz

sudo tar -C /usr/local -xzf go1.5.linux-amd64.tar.gz

sudo ln -sf /usr/local/go/bin/{go,godoc,gofmt} /usr/local/bin/

rm -rf go1.5.linux-amd64.tar.gz

######安装gitlab-git-http-server

cd /home/git
sudo -u git -H git clone https://gitlab.com/gitlab-org/gitlab-git-http-server.git
cd gitlab-git-http-server
sudo -u git -H git checkout 0.2.14
sudo -u git -H make

cd /home/git/gitlab

sudo -u git tee -a config/unicorn.rb <<EOF
listen "127.0.0.1:8080", :tcp_nopush => true
EOF

cd /home/git/gitlab
sudo -u git -H cp config/secrets.yml.example config/secrets.yml
sudo -u git -H chmod 0600 config/secrets.yml

cd /home/git/gitlab

vim Gemfile  Gemfile.lock 把rouge版本改成1.7.4

sudo -u git -H bundle install --without postgres development test --deployment

sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production

sudo -u git -H bundle exec rake assets:clean assets:precompile cache:clear RAILS_ENV=production

sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab

###########修改配置文件

更新日志 cp lib/support/logrotate/gitlab /etc/logrotate.d/gitlab

更新nginx文件 

cp lib/supportinx/gitlab /etcinx/conf.d/gitlab.conf   
修改如下：

cp config/gitlab.yml.example config/gitlab.yml   ====》参考旧版本修改
  
 

git 路径按照实际修改即可

cp config/database.yml.mysql config/database.yml    ===》以往如前，初心不改  修改账户密码
 
cd /home/git/gitlab-shell
cp config.yml.example config.yml     ====>按照实际修改
 

重启ngnx  gitlab 服务

检查运行状态

sudo -u git -H bundle exec rake gitlab:check RAILS_ENV=production    =====》实在不想写了，重复次数太多了

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

 10)8.0->8.2升级

停止服务： sudo service gitlab stop

备份：

cd /home/git/gitlab
sudo -u git -H bundle exec rake gitlab:backup:create RAILS_ENV=production

获取最新代码：

sudo -u git -H git fetch --all

sudo -u git -H git checkout -- db/schema.rb

sudo -u git -H git stash

sudo -u git -H git checkout 8-2-stable

更新gitlab-shell

cd /home/git/gitlab-shell

sudo -u git -H git fetch

sudo -u git -H git checkout v2.6.8

安装gitworkshore

cd /home/git
sudo -u git -H git clone https://gitlab.com/gitlab-org/gitlab-workhorse.git
cd gitlab-workhorse
sudo -u git -H git checkout 0.4.2
sudo -u git -H make

重置lib等目录

cd /home/git/gitlab

sudo -u git -H bundle install --without postgres development test --deployment

sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production

sudo -u git -H bundle exec rake assets:clean assets:precompile cache:clear RAILS_ENV=production

sudo cp lib/support/init.d/gitlab /etc/init.d/gitlab

修改配置文件

cp config/gitlab.yml.example config/gitlab.yml

vim config/gitlab.yml

=====>修该host

cp lib/support/nginx/gitlab  /etc/nginx/conf.d/gitlab8_2.conf

vim /etc/nginx/conf.d/gitlab8_2.conf

===>

启动服务&状态检查

sudo service gitlab start

sudo service nginx restart

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

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

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