gitlab-org--gitlab-foss/lib/backup/manager.rb

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Ruby
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module Backup
class Manager
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BACKUP_CONTENTS = %w{repositories/ db/ uploads/ backup_information.yml}
def pack
# saving additional informations
s = {}
s[:db_version] = "#{ActiveRecord::Migrator.current_version}"
s[:backup_created_at] = Time.now
s[:gitlab_version] = Gitlab::VERSION
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s[:tar_version] = tar_version
tar_file = "#{s[:backup_created_at].to_i}_gitlab_backup.tar"
Dir.chdir(Gitlab.config.backup.path)
File.open("#{Gitlab.config.backup.path}/backup_information.yml", "w+") do |file|
file << s.to_yaml.gsub(/^---\n/,'')
end
# create archive
print "Creating backup archive: #{tar_file} ... "
if Kernel.system('tar', '-cf', tar_file, *BACKUP_CONTENTS)
puts "done".green
else
puts "failed".red
abort 'Backup failed'
end
upload(tar_file)
end
def upload(tar_file)
remote_directory = Gitlab.config.backup.upload.remote_directory
print "Uploading backup archive to remote storage #{remote_directory} ... "
connection_settings = Gitlab.config.backup.upload.connection
if connection_settings.blank?
puts "skipped".yellow
return
end
connection = ::Fog::Storage.new(connection_settings)
directory = connection.directories.get(remote_directory)
if directory.files.create(key: tar_file, body: File.open(tar_file), public: false)
puts "done".green
else
puts "failed".red
abort 'Backup failed'
end
end
def cleanup
print "Deleting tmp directories ... "
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if Kernel.system('rm', '-rf', *BACKUP_CONTENTS)
puts "done".green
else
puts "failed".red
abort 'Backup failed'
end
end
def remove_old
# delete backups
print "Deleting old backups ... "
keep_time = Gitlab.config.backup.keep_time.to_i
path = Gitlab.config.backup.path
if keep_time > 0
removed = 0
file_list = Dir.glob(Rails.root.join(path, "*_gitlab_backup.tar"))
file_list.map! { |f| $1.to_i if f =~ /(\d+)_gitlab_backup.tar/ }
file_list.sort.each do |timestamp|
if Time.at(timestamp) < (Time.now - keep_time)
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if Kernel.system(*%W(rm #{timestamp}_gitlab_backup.tar))
removed += 1
end
end
end
puts "done. (#{removed} removed)".green
else
puts "skipping".yellow
end
end
def unpack
Dir.chdir(Gitlab.config.backup.path)
# check for existing backups in the backup dir
file_list = Dir.glob("*_gitlab_backup.tar").each.map { |f| f.split(/_/).first.to_i }
puts "no backups found" if file_list.count == 0
if file_list.count > 1 && ENV["BACKUP"].nil?
puts "Found more than one backup, please specify which one you want to restore:"
puts "rake gitlab:backup:restore BACKUP=timestamp_of_backup"
exit 1
end
tar_file = ENV["BACKUP"].nil? ? File.join("#{file_list.first}_gitlab_backup.tar") : File.join(ENV["BACKUP"] + "_gitlab_backup.tar")
unless File.exists?(tar_file)
puts "The specified backup doesn't exist!"
exit 1
end
print "Unpacking backup ... "
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unless Kernel.system(*%W(tar -xf #{tar_file}))
puts "failed".red
exit 1
else
puts "done".green
end
settings = YAML.load_file("backup_information.yml")
ENV["VERSION"] = "#{settings[:db_version]}" if settings[:db_version].to_i > 0
# restoring mismatching backups can lead to unexpected problems
if settings[:gitlab_version] != Gitlab::VERSION
puts "GitLab version mismatch:".red
puts " Your current GitLab version (#{Gitlab::VERSION}) differs from the GitLab version in the backup!".red
puts " Please switch to the following version and try again:".red
puts " version: #{settings[:gitlab_version]}".red
puts
puts "Hint: git checkout v#{settings[:gitlab_version]}"
exit 1
end
end
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def tar_version
tar_version, _ = Gitlab::Popen.popen(%W(tar --version))
tar_version.force_encoding('locale').split("\n").first
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end
end
end