Support sockets in 'rake gitlab:shell:install'

CHANGELOG

@@ -32,6 +32,7 @@ v 7.3.0
   - Zen mode (fullscreen) for issues/MR/notes (Robert Schilling)
   - Add ability to configure webhook timeout via gitlab.yml (Wes Gurney)
   - Sort project merge requests in asc or desc order for updated_at or created_at field (sponsored by O'Reilly Media)
+  - Add Redis socket support to 'rake gitlab:shell:install'
 
 v 7.2.1
   - Delete orphaned labels during label migration (James Brooks)

doc/install/installation.md

@@ -257,7 +257,7 @@ We recommend using a PostgreSQL database. For MySQL check [MySQL setup guide](da
 GitLab Shell is an SSH access and repository management software developed specially for GitLab.
 
     # Run the installation task for gitlab-shell (replace `REDIS_URL` if needed):
-    sudo -u git -H bundle exec rake gitlab:shell:install[v1.9.7] REDIS_URL=redis://localhost:6379 RAILS_ENV=production
+    sudo -u git -H bundle exec rake gitlab:shell:install[v1.9.7] REDIS_URL=unix:/var/run/redis/redis.sock RAILS_ENV=production
 
     # By default, the gitlab-shell config is generated from your main GitLab config.
     # You can review (and modify) the gitlab-shell config as follows:

lib/tasks/gitlab/shell.rake

@@ -24,8 +24,6 @@ namespace :gitlab do
       Dir.chdir(target_dir) do
         sh "git fetch origin && git reset --hard $(git describe #{args.tag} || git describe origin/#{args.tag})"
 
-        redis_url = URI.parse(ENV['REDIS_URL'] || "redis://localhost:6379")
-
         config = {
           user: user,
           gitlab_url: gitlab_url,
@@ -34,14 +32,21 @@ namespace :gitlab do
           auth_file: File.join(home_dir, ".ssh", "authorized_keys"),
           redis: {
             bin: %x{which redis-cli}.chomp,
-            host: redis_url.host,
-            port: redis_url.port,
             namespace: "resque:gitlab"
           }.stringify_keys,
           log_level: "INFO",
           audit_usernames: false
         }.stringify_keys
 
+        redis_url = URI.parse(ENV['REDIS_URL'] || "redis://localhost:6379")
+
+        if redis_url.scheme == 'unix'
+          config['redis']['socket'] = redis_url.path
+        else
+          config['redis']['host'] = redis_url.host
+          config['redis']['port'] = redis_url.port
+        end
+
         # Generate config.yml based on existing gitlab settings
         File.open("config.yml", "w+") {|f| f.puts config.to_yaml}