mysql 备份脚本

 mysql 备份脚本..写的很一般..高手见了不要笑俺..

#!/usr/bin/perl -w
use warnings;
use strict;
use DBI;
my $backup_dir = "/root/perl/backup";
my $backup_log = "$backup_dir/backup_log";
my $db_name = "mysql";
my $db_host = "localhost";
my $db_user = "root";
my $db_passwd = "redhat";
my $db_port = "3306";
my $mysql_bin_dir = "/usr/local/mysql/bin";
my $ftp_user = "ftp";
my $ftp_passwd = "redhat";
my $ftp_host = "192.168.1.100";
my $ftp_dir ="pub";
my @backup_db_list = qw(mysql test);
my ($sec,$min,$hour,$day,$mon,$year)=localtime;
$year += 1900;
$mon += 1;
my $time_now = "$year-$mon-$day";
my @backup_list;
mkdir "$backup_dir",0755 if !-e "$backup_dir";
open LOG,">>$backup_log";
print LOG "----------------------\nStart: $time_now\n";
my $dsn = "DBI:mysql:$db_name:$db_host:$db_port";
my %conn_attrs = (
                PrintError => 1,
                RaiseError => 1,
                AutoCommit => 1,);
my $dbh=DBI->connect($dsn,$db_user,$db_passwd,\%conn_attrs)  or print LOG "Could not connect mysql server:".DBI->errstr."\n";
foreach my $db (@backup_db_list){
        mkdir "$backup_dir/$db",0755 if !-e "$backup_dir/$db";
        chdir "$backup_dir/$db";
        my $backup_db_name = "${db}_${time_now}\.sql";
        !system "$mysql_bin_dir/mysqldump -h $db_host -u $db_user -p$db_passwd -P $db_port -B $db > $backup_db_name" or print LOG "mysqldump error:$!\n";
        system "(tar -zcvf $backup_db_name\.tar\.gz $backup_db_name) 2>&1 >/dev/null" if -e $backup_db_name;
        unlink "$backup_db_name" if -e "$backup_db_name\.tar\.gz";
        push (@backup_list,"$backup_dir/$db/$backup_db_name\.tar\.gz");
                my @all_backup_db_list = <*.*.tar.gz>;
                        foreach my $backup_file (@all_backup_db_list){
                                unlink $backup_file if (time() - (stat($backup_file))[9] > (60*60*24*5));
 }
}
$dbh->disconnect();
print "@backup_list\n";
my $ftp = Net::FTP->new($ftp_host,debug => 0) or print LOG "Count not connect ftp:$ftp_host\n";
$ftp->login($ftp_user,$ftp_passwd) or print LOG "Could not login ftp:$ftp_host\n";
$ftp->binary();
$ftp->cwd($ftp_dir);
foreach my $upload_backdb_file (@backup_list){
        $ftp->put($upload_backdb_file) or print LOG "put $upload_backdb_file faild!\n";
}
print LOG "------------------------\n---------END----------\n";
$ftp->quit;
close(LOG);