diff options
Diffstat (limited to 'lib/backup/database.rb')
| -rw-r--r-- | lib/backup/database.rb | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/lib/backup/database.rb b/lib/backup/database.rb index 3ef5f44..0c5a3e9 100644 --- a/lib/backup/database.rb +++ b/lib/backup/database.rb @@ -11,24 +11,37 @@ module Backup end def dump - success = case config["adapter"] + FileUtils.rm_f(db_file_name) + compress_rd, compress_wr = IO.pipe + compress_pid = spawn(*%W(gzip -c), in: compress_rd, out: [db_file_name, 'w', 0600]) + compress_rd.close + + dump_pid = case config["adapter"] when /^mysql/ then $progress.print "Dumping MySQL database #{config['database']} ... " - system('mysqldump', *mysql_args, config['database'], out: db_file_name) + spawn('mysqldump', *mysql_args, config['database'], out: compress_wr) when "postgresql" then $progress.print "Dumping PostgreSQL database #{config['database']} ... " pg_env - system('pg_dump', config['database'], out: db_file_name) + spawn('pg_dump', config['database'], out: compress_wr) end + compress_wr.close + + success = [compress_pid, dump_pid].all? { |pid| Process.waitpid(pid); $?.success? } + report_success(success) abort 'Backup failed' unless success end def restore - success = case config["adapter"] + decompress_rd, decompress_wr = IO.pipe + decompress_pid = spawn(*%W(gzip -cd), out: decompress_wr, in: db_file_name) + decompress_wr.close + + restore_pid = case config["adapter"] when /^mysql/ then $progress.print "Restoring MySQL database #{config['database']} ... " - system('mysql', *mysql_args, config['database'], in: db_file_name) + spawn('mysql', *mysql_args, config['database'], in: decompress_rd) when "postgresql" then $progress.print "Restoring PostgreSQL database #{config['database']} ... " # Drop all tables because PostgreSQL DB dumps do not contain DROP TABLE @@ -36,8 +49,12 @@ module Backup drop_all_tables drop_all_postgres_sequences pg_env - system('psql', config['database'], '-f', db_file_name) + spawn('psql', config['database'], in: decompress_rd) end + decompress_rd.close + + success = [decompress_pid, restore_pid].all? { |pid| Process.waitpid(pid); $?.success? } + report_success(success) abort 'Restore failed' unless success end @@ -45,7 +62,7 @@ module Backup protected def db_file_name - File.join(db_dir, 'database.sql') + File.join(db_dir, 'database.sql.gz') end def mysql_args |