注：不要跨过8.16升级至8.17，这样做升级过程会报错

###################################8.2升级至8.16###########################

一，停止服务：

service gitlab stop

二，备份

cd /home/git/gitlab

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

三，更新ruby

mkdir /tmp/ruby && cd /tmp/ruby
curl --remote-name --progress https://cache.ruby-lang.org/pub/ruby/2.3/ruby-2.3.3.tar.gz
echo '1014ee699071aa2ddd501907d18cbe15399c997d ruby-2.3.3.tar.gz' | shasum -c - && tar xzf ruby-2.3.3.tar.gz
cd ruby-2.3.3
./configure --disable-install-rdoc
make
sudo make install

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

//四，更新&安装node

五，获取最新代码

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 8-16-stable

六，更新数据库等

登陆MySQL修改权限：

GRANT REFERENCES ON `gitlabhq_production`.* TO 'git'@'localhost';

cd /home/git/gitlab

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

sudo -u git -H bundle clean

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

七，更新workhorse

cd /home/git/gitlab

sudo -u git -H bundle exec rake "gitlab:workhorse:install[/home/git/gitlab-workhorse]" RAILS_ENV=production

八，更新gitlab-shell

cd /home/git/gitlab-shell

sudo -u git -H git fetch --all --tags
sudo -u git -H git checkout v4.1.1

九，更新配置文件

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

vim config/gitlab.yml

sudo -u git -H git config --global repack.writeBitmaps true

十，更新nginx文件

vim  lib/support/nginx/gitlab-ssl

vim  lib/support/nginx/gitlab

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

十一，SMTP配置

vim config/initializers/smtp_settings.rb   ===>ActionMailer::Base.delivery_method = :smtp

十二，更新启动脚本

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

十三，启动服务&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

##################################################8.16升级至8.17##############################

一，停止服务

service gitlab stop

二，备份

三，更新ruby

ruby > 2.3    ===========》使用2.3.3

npm   2.14.12

node 4.3.0

/gcc  6.3.0====》不升级，会导致后续升级问题

四，获取最新代码

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 8-17-stable

五，更新lib等

sudo -u git -H bundle install --without postgres development test --deployment
sudo -u git -H bundle clean
sudo -u git -H bundle exec rake db:migrate RAILS_ENV=production

npm install --production

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

六，更新workhorse

sudo -u git -H bundle exec rake "gitlab:workhorse:install[/home/git/gitlab-workhorse]" RAILS_ENV=production

七，更新gitlab-shell

cd /home/git/gitlab-shell

sudo -u git -H git fetch --all --tags

sudo -u git -H git checkout v4.1.1

八，更新配置文件

cd /home/git/gitlab

cd config

cp gitlab.yml.example gitlab.yml

vim gitlab.yml

九，git设置

sudo -u git -H git config --global repack.writeBitmaps true

十，nginx配置

cp lib/support/nginx/gitlab /etc/nginx/conf.d/gitlab_8.17

vim /etc/nginx/nginx.conf

十一，更新启动脚本

cd /home/git/gitlab

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

十二，启动服务&检查运行

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

#######################################8.17升级至9.0############################

一，停止服务

service gitlab stop

二，更新ruby/node&安装yarn

ruby 更新=======》跳过   =====》见上次升级 or 上上次

更新node  =====>跳过

安装yarn:   ===(1.12.3)

curl --silent --location https://dl.yarnpkg.com/rpm/yarn.repo | sudo tee /etc/yum.repos.d/yarn.repo

sudo yum install yarn

三，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 9-0-stable

四，更新gitlab-shell

cd /home/git/gitlab-shell

sudo -u git -H git fetch --all --tags

sudo -u git -H git checkout v$(</home/git/gitlab/GITLAB_SHELL_VERSION)

五，更新workhorse

cd /home/git/gitlab-workhorse

sudo -u git -H git fetch --all --tags

sudo -u git -H git checkout v$(</home/git/gitlab/GITLAB_WORKHORSE_VERSION)

sudo -u git -H make

六，更新配置文件

cd /home/git/gitlab

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

七，git配置

sudo -u git -H git config --global repack.writeBitmaps true

八，nginx配置

cp lib/support/nginx/gitlab /etc/nginx/conf.d/gitlab9.conf

vim /etc/nginx/conf.d/gitlab9.conf

vim /etc/nginx/nginx.conf

九，更新启动脚本

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

十，更新lib等

yum install re2-devel

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

sudo -u git -H bundle clean

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

mkdir -p /home/git/gitlab/node_modules/compression-webpack-plugin/node_modules

chown -R git:git /home/git/gitlab/node_modules/compression-webpack-plugin/node_modules

su - git

cd /home/git/gitlab

bundle exec rake yarn:install gitlab:assets:clean gitlab:assets:compile RAILS_ENV=production NODE_ENV=production   ===>成功后回到root用户

安装gitly======>暂时跳过

十一，启动服务&监控变化

service gitlab start

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