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module Backup
class Manager
def pack
# saving additional informations
s = {}
s[:db_version] = "#{ActiveRecord::Migrator.current_version}"
s[:backup_created_at] = Time.now
s[:gitlab_version] = %x{git rev-parse HEAD}.gsub(/\n/,"")
s[:tar_version] = %x{tar --version | head -1}.gsub(/\n/,"")
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: #{s[:backup_created_at].to_i}_gitlab_backup.tar ... "
if Kernel.system("tar -cf #{s[:backup_created_at].to_i}_gitlab_backup.tar repositories/ db/ uploads/ backup_information.yml")
puts "done".green
else
puts "failed".red
end
end
def cleanup
print "Deleting tmp directories ... "
if Kernel.system("rm -rf repositories/ db/ uploads/ backup_information.yml")
puts "done".green
else
puts "failed".red
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)
if system("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 ... "
unless Kernel.system("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
# backups directory is not always sub of Rails root and able to execute the git rev-parse below
begin
Dir.chdir(Rails.root)
# restoring mismatching backups can lead to unexpected problems
if settings[:gitlab_version] != %x{git rev-parse HEAD}.gsub(/\n/, "")
puts "GitLab version mismatch:".red
puts " Your current HEAD differs from the HEAD in the backup!".red
puts " Please switch to the following revision and try again:".red
puts " revision: #{settings[:gitlab_version]}".red
exit 1
end
ensure
# chdir back to original intended dir
Dir.chdir(Gitlab.config.backup.path)
end
end
end
end
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