99 lines
2.8 KiB
Markdown
99 lines
2.8 KiB
Markdown
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comments: false
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---
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# From 3.1 to 4.0
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*Make sure you view this [upgrade guide from the `master` branch](https://gitlab.com/gitlab-org/gitlab-ce/tree/master/doc/update/3.1-to-4.0.md) for the most up to date instructions.*
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## Important changes
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- Support for SQLite was dropped
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- Support for Gitolite 2 was dropped
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- Projects are organized in namespaces
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- The GitLab post-receive hook needs to be updated
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- The configuration file needs to be updated
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- Availability of `python2` executable
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Most of projects has post-receive file as symlink to Gitolite `/home/git/.gitolite/hooks/post-receive`. But some of them may have a real file. In this case you should rewrite it with symlink to Gitolite hook.
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I wrote a bash script which will do it automatically for you. Just make sure all path inside is valid for you
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## 1. Stop GitLab & Resque
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sudo service gitlab stop
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## 2. Update GitLab
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```bash
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# Get latest code
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sudo -u gitlab -H git fetch
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sudo -u gitlab -H git checkout 4-0-stable
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# The Modernizr gem was yanked from RubyGems. It is required for GitLab >= 2.8.0
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# Edit `Gemfile` and change `gem "modernizr", "2.5.3"` to
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# `gem "modernizr-rails", "2.7.1"``
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sudo -u gitlab -H vim Gemfile
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# Install gems for MySQL
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sudo -u gitlab -H bundle install --without development test postgres
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# Update repos permissions
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sudo chmod -R ug+rwXs /home/git/repositories/
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sudo chown -R git:git /home/git/repositories/
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# Migrate db
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sudo -u gitlab -H bundle exec rake db:migrate RAILS_ENV=production
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# Enable namespaces (**Warning!** All projects in groups will be moved to subdirectories)
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sudo -u gitlab -H bundle exec rake gitlab:enable_namespaces RAILS_ENV=production
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```
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## 3. Update post-receive hooks (Requires Gitolite v3 )
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Step 1: Rewrite post-receive hook
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```bash
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sudo cp ./lib/hooks/post-receive /home/git/.gitolite/hooks/common/post-receive
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sudo chown git:git /home/git/.gitolite/hooks/common/post-receive
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```
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Step 2: Update project hooks to be symlinks to the Gitolite hook
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```bash
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# 1. Check paths in script
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sudo -u gitlab -H vim lib/support/rewrite-hooks.sh
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# 2. Run script
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sudo -u git -H lib/support/rewrite-hooks.sh
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```
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## 4. Replace config with new one
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# backup old one
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sudo -u gitlab -H cp config/gitlab.yml config/gitlab.yml.old
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# copy new one
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sudo -u gitlab -H cp config/gitlab.yml.example config/gitlab.yml
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# edit it
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sudo -u gitlab -H vim config/gitlab.yml
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## 5. Disable ssh known_host check for own domain
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echo "Host localhost
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StrictHostKeyChecking no
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UserKnownHostsFile=/dev/null" | sudo tee -a /etc/ssh/ssh_config
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echo "Host YOUR_DOMAIN_NAME
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StrictHostKeyChecking no
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UserKnownHostsFile=/dev/null" | sudo tee -a /etc/ssh/ssh_config
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## 6. Check GitLab's status
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sudo -u gitlab -H bundle exec rake gitlab:check RAILS_ENV=production
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## 7. Start GitLab & Resque
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sudo service gitlab start
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