add: rake task to backup/restore gitlab db and repos
This commit is contained in:
Stefan Morgenthaler
parent
be1b40802d
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12b34c8115
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@ -21,6 +21,8 @@ email:
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# Like default project limit for user etc
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app:
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default_projects_limit: 10
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# backup_path: "/vol/backups" # default: Rails.root + backups/
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# backup_keep_time: 7.days # default: 0 (forever)
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#
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197
lib/tasks/gitlab/backup.rake
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197
lib/tasks/gitlab/backup.rake
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@ -0,0 +1,197 @@
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require 'active_record/fixtures'
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# load config
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GITLAB_OPTS = YAML.load_file("#{Rails.root}/config/gitlab.yml")['app']
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# backup path options
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backup_path = GITLAB_OPTS['backup_path'].nil? ? "backups/" : GITLAB_OPTS['backup_path'] # set default path if not specified in settings.
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backup_path = /^\//.match(backup_path) ? backup_path : File.join(Rails.root + backup_path) # check for absolut or relative path.
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FileUtils.mkdir_p(backup_path) until Dir.exists?(backup_path)
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# keep last n backups
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backup_keep_time = GITLAB_OPTS['backup_keep_time'].nil? ? 0 : eval(GITLAB_OPTS['backup_keep_time'])
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backup_path_repo = File.join(backup_path, "repositories")
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backup_path_db = File.join(backup_path, "db")
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namespace :gitlab do
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namespace :app do
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# Create backup of gitlab system
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desc "GITLAB | Create a backup of the gitlab system"
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task :backup_create => :environment do
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Dir.chdir(backup_path)
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Rake::Task["gitlab:app:db_dump"].invoke
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Rake::Task["gitlab:app:repo_dump"].invoke
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# saving additional informations
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s = Hash.new
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s["db_version"] = "#{ActiveRecord::Migrator.current_version}"
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s["backup_created_at"] = "#{Time.now}"
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s["gitlab_version"] = %x{git rev-parse HEAD}.gsub(/\n/,"")
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s["tar_version"] = %x{tar --version | head -1}.gsub(/\n/,"")
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File.open("#{backup_path}/backup_information.yml", "w+") do |file|
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file << s.to_yaml.gsub(/^---\n/,'')
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end
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# create archive
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print "Creating backup archive: #{Time.now.to_i}_gitlab_backup.tar "
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if Kernel.system("tar -cf #{Time.now.to_i}_gitlab_backup.tar repositories/ db/ backup_information.yml")
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puts "[DONE]".green
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else
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puts "[FAILED]".red
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end
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# cleanup: remove tmp files
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print "Deletion of tmp directories..."
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if Kernel.system("rm -rf repositories/ db/ backup_information.yml")
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puts "[DONE]".green
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else
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puts "[FAILED]".red
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end
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# delete backups
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print "Deleting old backups... "
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if backup_keep_time > 0
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file_list = Dir.glob("*_gitlab_backup.tar").map { |f| f.split(/_/).first.to_i }
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file_list.sort.each do |timestamp|
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if Time.at(timestamp) < (Time.now - backup_keep_time)
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%x{rm #{timestamp}_gitlab_backup.tar}
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end
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end
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puts "[DONE]".green
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else
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puts "[SKIPPING]".yellow
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end
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end
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desc "GITLAB | Restore a previously created backup"
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task :backup_restore => :environment do
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Dir.chdir(backup_path)
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file_list = Dir.glob("*_gitlab_backup.tar").each.map { |f| f.split(/_/).first.to_i }
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puts "no backup found" if file_list.count == 0
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if file_list.count > 1 && ENV["BACKUP"].nil?
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puts "Found more than one backup, please specify which one you want to restore:"
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puts "rake gitlab:app:backup_restore BACKUP=timestamp_of_backup"
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exit 1;
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end
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tar_file = ENV["BACKUP"].nil? ? File.join(file_list.first.to_s + "_gitlab_backup.tar") : File.join(ENV["BACKUP"] + "_gitlab_backup.tar")
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if ! File.exists?(tar_file)
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puts "The specified backup doesn't exist!"
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end
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print "Unpacking backup... "
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if ! Kernel.system("tar -xf #{tar_file}")
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puts "[FAILED]".red
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exit 1
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else
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puts "[DONE]".green
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end
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settings = YAML.load_file("backup_information.yml")
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ENV["VERSION"] = "#{settings["db_version"]}" if settings["db_version"].to_i > 0
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# restoring mismatching backups can lead to unexpected problems
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if settings["gitlab_version"] != %x{git rev-parse HEAD}.gsub(/\n/,"")
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puts "gitlab_version mismatch:".red
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puts " Your current HEAD differs from the HEAD in the backup!".red
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puts " Please switch to the following revision and try again:".red
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puts " revision: #{settings["gitlab_version"]}".red
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exit 1
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end
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Rake::Task["gitlab:app:db_restore"].invoke
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Rake::Task["gitlab:app:repo_restore"].invoke
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# cleanup: remove tmp files
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print "Deletion of tmp directories..."
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if Kernel.system("rm -rf repositories/ db/ backup_information.yml")
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puts "[DONE]".green
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else
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puts "[FAILED]".red
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end
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end
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################################################################################
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################################# invoked tasks ################################
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################################# REPOSITORIES #################################
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task :repo_dump => :environment do
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FileUtils.mkdir_p(backup_path_repo) until Dir.exists?(backup_path_repo)
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puts "Dumping repositories:"
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project = Project.all.map { |n| [n.name,n.path_to_repo] }
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project << ["gitolite-admin.git", File.join(File.dirname(project.first.second), "gitolite-admin.git")]
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project.each do |project|
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print "- Dumping repository #{project.first}... "
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if Kernel.system("cd #{project.second} > /dev/null 2>&1 && git bundle create #{backup_path_repo}/#{project.first}.bundle --all > /dev/null 2>&1")
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puts "[DONE]".green
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else
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puts "[FAILED]".red
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end
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end
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end
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task :repo_restore => :environment do
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puts "Restoring repositories:"
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project = Project.all.map { |n| [n.name,n.path_to_repo] }
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project << ["gitolite-admin.git", File.join(File.dirname(project.first.second), "gitolite-admin.git")]
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project.each do |project|
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print "- Restoring repository #{project.first}... "
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FileUtils.rm_rf(project.second) if File.dirname(project.second) # delet old stuff
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if Kernel.system("cd #{File.dirname(project.second)} > /dev/null 2>&1 && git clone --bare #{backup_path_repo}/#{project.first}.bundle #{project.first}.git > /dev/null 2>&1")
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puts "[DONE]".green
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else
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puts "[FAILED]".red
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end
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end
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end
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###################################### DB ######################################
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task :db_dump => :environment do
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FileUtils.mkdir_p(backup_path_db) until Dir.exists?(backup_path_db)
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puts "Dumping database tables:"
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ActiveRecord::Base.connection.tables.each do |tbl|
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print "- Dumping table #{tbl}... "
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count = 1
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File.open(File.join(backup_path_db, tbl + ".yml"), "w+") do |file|
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ActiveRecord::Base.connection.select_all("SELECT * FROM #{tbl}").each do |line|
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line.delete_if{|k,v| v.blank?}
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output = {tbl + '_' + count.to_s => line}
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file << output.to_yaml.gsub(/^---\n/,'') + "\n"
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count += 1
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end
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puts "[DONE]".green
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end
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end
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end
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task :db_restore=> :environment do
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puts "Restoring database tables:"
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Rake::Task["db:reset"].invoke
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Dir.glob(File.join(backup_path_db, "*.yml") ).each do |dir|
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fixture_file = File.basename(dir, ".*" )
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print "- Loading fixture #{fixture_file}..."
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if File.size(dir) > 0
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ActiveRecord::Fixtures.create_fixtures(backup_path_db, fixture_file)
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puts "[DONE]".green
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else
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puts "[SKIPPING]".yellow
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end
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end
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end
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end # namespace end: app
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end # namespace end: gitlab
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