From c33d5e16fe5f5dde4f270adaf7fb6fe5b9552018 Mon Sep 17 00:00:00 2001
From: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
Date: Fri, 5 Apr 2013 19:01:19 +0300
Subject: refactor backup/restore

---
 lib/backup/database.rb   | 58 +++++++++++++++++++++++++++++++++++++
 lib/backup/repository.rb | 74 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 132 insertions(+)
 create mode 100644 lib/backup/database.rb
 create mode 100644 lib/backup/repository.rb

(limited to 'lib/backup')

diff --git a/lib/backup/database.rb b/lib/backup/database.rb
new file mode 100644
index 00000000000..cfa9971670c
--- /dev/null
+++ b/lib/backup/database.rb
@@ -0,0 +1,58 @@
+require 'yaml'
+
+module Backup
+  class Database
+    attr_reader :config, :db_dir
+
+    def initialize
+      @config = YAML.load_file(File.join(Rails.root,'config','database.yml'))[Rails.env]
+      @db_dir = File.join(Gitlab.config.backup.path, 'db')
+      FileUtils.mkdir_p(@db_dir) unless Dir.exists?(@db_dir)
+    end
+
+    def dump
+      case config["adapter"]
+      when /^mysql/ then
+        system("mysqldump #{mysql_args} #{config['database']} > #{db_file_name}")
+      when "postgresql" then
+        pg_env
+        system("pg_dump #{config['database']} > #{db_file_name}")
+      end
+    end
+
+    def restore
+      case config["adapter"]
+      when /^mysql/ then
+        system("mysql #{mysql_args} #{config['database']} < #{db_file_name}")
+      when "postgresql" then
+        pg_env
+        system("pg_restore #{config['database']} #{db_file_name}")
+      end
+    end
+
+    protected
+
+    def db_file_name
+      File.join(db_dir, 'database.sql')
+    end
+
+    def mysql_args
+      args = {
+        'host'      => '--host',
+        'port'      => '--port',
+        'socket'    => '--socket',
+        'username'  => '--user',
+        'encoding'  => '--default-character-set',
+        'password'  => '--password'
+      }
+      args.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact.join(' ')
+    end
+
+    def pg_env
+      ENV['PGUSER']     = config["username"] if config["username"]
+      ENV['PGHOST']     = config["host"] if config["host"]
+      ENV['PGPORT']     = config["port"].to_s if config["port"]
+      ENV['PGPASSWORD'] = config["password"].to_s if config["password"]
+    end
+  end
+end
diff --git a/lib/backup/repository.rb b/lib/backup/repository.rb
new file mode 100644
index 00000000000..c1d089642b3
--- /dev/null
+++ b/lib/backup/repository.rb
@@ -0,0 +1,74 @@
+require 'yaml'
+
+module Backup
+  class Repository
+    attr_reader :repos_path
+
+    def dump
+      prepare
+
+      Project.find_each(batch_size: 1000) do |project|
+        print " * #{project.path_with_namespace} ... "
+
+        if project.empty_repo?
+          puts "[SKIPPED]".cyan
+          next
+        end
+
+        # Create namespace dir if missing
+        FileUtils.mkdir_p(File.join(backup_repos_path, project.namespace.path)) if project.namespace
+
+        if system("cd #{path_to_repo(project)} > /dev/null 2>&1 && git bundle create #{path_to_bundle(project)} --all > /dev/null 2>&1")
+          puts "[DONE]".green
+        else
+          puts "[FAILED]".red
+        end
+      end
+    end
+
+    def restore
+      if File.exists?(repos_path)
+        # Move repos dir to 'repositories.old' dir
+        bk_repos_path = File.join(repos_path, '..', 'repositories.old')
+        FileUtils.mv(repos_path, bk_repos_path)
+      end
+
+      FileUtils.mkdir_p(repos_path)
+
+      Project.find_each(batch_size: 1000) do |project|
+        print "#{project.path_with_namespace} ... "
+
+        project.namespace.ensure_dir_exist if project.namespace
+
+        if system("git clone --bare #{path_to_bundle(project)} #{path_to_repo(project)} > /dev/null 2>&1")
+          puts "[DONE]".green
+        else
+          puts "[FAILED]".red
+        end
+      end
+    end
+
+    protected
+
+    def path_to_repo(project)
+      File.join(repos_path, project.path_with_namespace + '.git')
+    end
+
+    def path_to_bundle(project)
+      File.join(backup_repos_path, project.path_with_namespace + ".bundle")
+    end
+
+    def repos_path
+      Gitlab.config.gitlab_shell.repos_path
+    end
+
+    def backup_repos_path
+      File.join(Gitlab.config.backup.path, "repositories")
+    end
+
+    def prepare
+      FileUtils.rm_rf(backup_repos_path)
+      FileUtils.mkdir_p(backup_repos_path)
+    end
+  end
+end
-- 
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