debian-mirror-gitlab/lib/backup/gitaly_backup.rb
2021-09-30 23:02:18 +05:30

75 lines
1.9 KiB
Ruby

# frozen_string_literal: true
module Backup
# Backup and restores repositories using gitaly-backup
class GitalyBackup
def initialize(progress, parallel: nil, parallel_storage: nil)
@progress = progress
@parallel = parallel
@parallel_storage = parallel_storage
end
def start(type)
raise Error, 'already started' if started?
command = case type
when :create
'create'
when :restore
'restore'
else
raise Error, "unknown backup type: #{type}"
end
args = []
args += ['-parallel', @parallel.to_s] if type == :create && @parallel
args += ['-parallel-storage', @parallel_storage.to_s] if type == :create && @parallel_storage
@read_io, @write_io = IO.pipe
@pid = Process.spawn(bin_path, command, '-path', backup_repos_path, *args, in: @read_io, out: @progress)
end
def wait
return unless started?
@write_io.close
Process.wait(@pid)
status = $?
@pid = nil
raise Error, "gitaly-backup exit status #{status.exitstatus}" if status.exitstatus != 0
end
def enqueue(container, repo_type)
raise Error, 'not started' unless started?
repository = repo_type.repository_for(container)
@write_io.puts({
storage_name: repository.storage,
relative_path: repository.relative_path,
gl_project_path: repository.gl_project_path,
always_create: repo_type.project?
}.merge(Gitlab::GitalyClient.connection_data(repository.storage)).to_json)
end
def parallel_enqueue?
false
end
private
def started?
@pid.present?
end
def backup_repos_path
File.absolute_path(File.join(Gitlab.config.backup.path, 'repositories'))
end
def bin_path
File.absolute_path(Gitlab.config.backup.gitaly_backup_path)
end
end
end