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require 'yaml'
module Ci
module Migrate
class Database
attr_reader :config
def initialize
@config = YAML.load_file(File.join(Rails.root, 'config', 'database.yml'))[Rails.env]
end
def restore
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']} ... "
# 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
$progress.print "Restoring PostgreSQL database #{config['database']} ... "
pg_env
spawn('psql', config['database'], in: decompress_rd)
end
decompress_rd.close
success = [decompress_pid, restore_pid].all? { |pid| Process.waitpid(pid); $?.success? }
abort 'Restore failed' unless success
end
protected
def db_file_name
File.join(Gitlab.config.backup.path, 'db', 'database.sql.gz')
end
def mysql_args
args = {
'host' => '--host',
'port' => '--port',
'socket' => '--socket',
'username' => '--user',
'encoding' => '--default-character-set'
}
args.map { |opt, arg| "#{arg}=#{config[opt]}" if config[opt] }.compact
end
def pg_env
ENV['PGUSER'] = config["username"] if config["username"]
ENV['PGHOST'] = config["host"] if config["host"]
ENV['PGPORT'] = config["port"].to_s if config["port"]
ENV['PGPASSWORD'] = config["password"].to_s if config["password"]
end
def report_success(success)
if success
puts '[DONE]'.green
else
puts '[FAILED]'.red
end
end
end
end
end
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