debian-mirror-gitlab/lib/backup/database.rb

125 lines
3.9 KiB
Ruby
Raw Normal View History

2018-12-05 23:21:45 +05:30
# frozen_string_literal: true
2014-09-02 18:07:02 +05:30
require 'yaml'
module Backup
class Database
2018-11-08 19:23:39 +05:30
attr_reader :progress
2015-11-26 14:37:03 +05:30
attr_reader :config, :db_file_name
2014-09-02 18:07:02 +05:30
2018-11-08 19:23:39 +05:30
def initialize(progress)
@progress = progress
2017-08-17 22:00:37 +05:30
@config = YAML.load_file(File.join(Rails.root, 'config', 'database.yml'))[Rails.env]
2015-11-26 14:37:03 +05:30
@db_file_name = File.join(Gitlab.config.backup.path, 'db', 'database.sql.gz')
2014-09-02 18:07:02 +05:30
end
def dump
2015-11-26 14:37:03 +05:30
FileUtils.mkdir_p(File.dirname(db_file_name))
FileUtils.rm_f(db_file_name)
compress_rd, compress_wr = IO.pipe
2017-08-17 22:00:37 +05:30
compress_pid = spawn(*%w(gzip -1 -c), in: compress_rd, out: [db_file_name, 'w', 0600])
2015-11-26 14:37:03 +05:30
compress_rd.close
2015-09-11 14:41:01 +05:30
2017-08-17 22:00:37 +05:30
dump_pid =
case config["adapter"]
when /^mysql/ then
2018-11-08 19:23:39 +05:30
progress.print "Dumping MySQL database #{config['database']} ... "
2017-08-17 22:00:37 +05:30
# Workaround warnings from MySQL 5.6 about passwords on cmd line
ENV['MYSQL_PWD'] = config["password"].to_s if config["password"]
spawn('mysqldump', *mysql_args, config['database'], out: compress_wr)
when "postgresql" then
2018-11-08 19:23:39 +05:30
progress.print "Dumping PostgreSQL database #{config['database']} ... "
2017-08-17 22:00:37 +05:30
pg_env
pgsql_args = ["--clean"] # Pass '--clean' to include 'DROP TABLE' statements in the DB dump.
if Gitlab.config.backup.pg_schema
pgsql_args << "-n"
pgsql_args << Gitlab.config.backup.pg_schema
end
2018-03-17 18:26:18 +05:30
2017-08-17 22:00:37 +05:30
spawn('pg_dump', *pgsql_args, config['database'], out: compress_wr)
2015-09-25 12:07:36 +05:30
end
2015-11-26 14:37:03 +05:30
compress_wr.close
2017-08-17 22:00:37 +05:30
success = [compress_pid, dump_pid].all? do |pid|
Process.waitpid(pid)
$?.success?
end
2015-09-11 14:41:01 +05:30
report_success(success)
2018-11-08 19:23:39 +05:30
raise Backup::Error, 'Backup failed' unless success
2014-09-02 18:07:02 +05:30
end
def restore
2015-11-26 14:37:03 +05:30
decompress_rd, decompress_wr = IO.pipe
2017-08-17 22:00:37 +05:30
decompress_pid = spawn(*%w(gzip -cd), out: decompress_wr, in: db_file_name)
2015-11-26 14:37:03 +05:30
decompress_wr.close
2015-09-11 14:41:01 +05:30
2017-08-17 22:00:37 +05:30
restore_pid =
case config["adapter"]
when /^mysql/ then
2018-11-08 19:23:39 +05:30
progress.print "Restoring MySQL database #{config['database']} ... "
2017-08-17 22:00:37 +05:30
# Workaround warnings from MySQL 5.6 about passwords on cmd line
ENV['MYSQL_PWD'] = config["password"].to_s if config["password"]
spawn('mysql', *mysql_args, config['database'], in: decompress_rd)
when "postgresql" then
2018-11-08 19:23:39 +05:30
progress.print "Restoring PostgreSQL database #{config['database']} ... "
2017-08-17 22:00:37 +05:30
pg_env
spawn('psql', config['database'], in: decompress_rd)
end
2015-11-26 14:37:03 +05:30
decompress_rd.close
2017-08-17 22:00:37 +05:30
success = [decompress_pid, restore_pid].all? do |pid|
Process.waitpid(pid)
$?.success?
end
2015-11-26 14:37:03 +05:30
2014-09-02 18:07:02 +05:30
report_success(success)
2018-11-08 19:23:39 +05:30
abort Backup::Error, 'Restore failed' unless success
2014-09-02 18:07:02 +05:30
end
protected
def mysql_args
args = {
'host' => '--host',
'port' => '--port',
'socket' => '--socket',
'username' => '--user',
2017-08-17 22:00:37 +05:30
'encoding' => '--default-character-set',
# SSL
'sslkey' => '--ssl-key',
'sslcert' => '--ssl-cert',
'sslca' => '--ssl-ca',
'sslcapath' => '--ssl-capath',
'sslcipher' => '--ssl-cipher'
2014-09-02 18:07:02 +05:30
}
args.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact
end
def pg_env
2017-08-17 22:00:37 +05:30
args = {
'username' => 'PGUSER',
'host' => 'PGHOST',
'port' => 'PGPORT',
'password' => 'PGPASSWORD',
# SSL
'sslmode' => 'PGSSLMODE',
'sslkey' => 'PGSSLKEY',
'sslcert' => 'PGSSLCERT',
'sslrootcert' => 'PGSSLROOTCERT',
'sslcrl' => 'PGSSLCRL',
'sslcompression' => 'PGSSLCOMPRESSION'
}
args.each { |opt, arg| ENV[arg] = config[opt].to_s if config[opt] }
2014-09-02 18:07:02 +05:30
end
def report_success(success)
if success
2018-11-08 19:23:39 +05:30
progress.puts '[DONE]'.color(:green)
2014-09-02 18:07:02 +05:30
else
2018-11-08 19:23:39 +05:30
progress.puts '[FAILED]'.color(:red)
2014-09-02 18:07:02 +05:30
end
end
end
end