Viewing file:  backup.pl (3.98 KB) -rwxr-xr-x
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#!/usr/bin/perl
# backup.pl
# Called by cron to backup a database, or all databases
$no_acl_check++;
require './mysql-lib.pl';
if ($ARGV[0] eq "--all") {
$all = 1;
$cmode = $config{'backup_cmode_'};
}
else {
$ARGV[0] || die "Missing database parameter";
$cmode = 0;
}
$ex = 0;
$email = $config{'backup_email_'.($all ? '' : $dbs[0])};
$notify = $config{'backup_notify_'.($all ? '' : $dbs[0])};
# Check if MySQL is running
($r, $out) = &is_mysql_running();
if ($r != 1) {
$failure = "MySQL does not appear to be running : $out\n".
"Backups cannot be performed.\n";
$ex = 1;
goto EMAIL;
}
# Get DBs
if ($all) {
@dbs = grep { &supports_backup_db($_) } &list_databases();
}
else {
@dbs = ( $ARGV[0] );
}
if ($cmode) {
# Run and check before-backup command (for all DBs)
$bok = &execute_before(undef, STDOUT, 0, $config{'backup_'}, undef);
if (!$bok) {
$failure = "Before-backup command failed!\n";
$ex = 1;
goto EMAIL;
}
}
foreach $db (@dbs) {
$sf = $all ? "" : $db;
if ($all) {
$dir = &date_subs($config{'backup_'});
&make_dir($dir, 0755) if ($config{'backup_mkdir_'});
$file = $dir."/".$db.".sql".
($config{'backup_compress_'.$sf} == 1 ? ".gz" :
$config{'backup_compress_'.$sf} == 2 ? ".bz2" : "");
}
else {
$file = &date_subs($config{'backup_'.$db});
}
if (!$file) {
push(@status, [ $db, $file, "No backup file set for $db" ]);
$ex = 1;
next;
}
@compat = $config{'backup_compatible_'.$sf} ?
( $config{'backup_compatible_'.$sf} ) : ( );
push(@compat, split(/\0/, $in{'backup_options_'.$sf}));
@tables = split(/\s+/, $config{'backup_tables_'.$sf});
if (!$cmode) {
# Run and check before-backup command (for one DB)
$temp = &transname();
&open_tempfile(TEMP, ">$temp");
$bok = &execute_before($db, TEMP, 0, $file, $all ? undef : $db);
&close_tempfile(TEMP);
$err = &read_file_contents($temp);
&unlink_file($temp);
if (!$bok) {
push(@status, [ $db, $file, "Before-backup command failed : $err" ]);
$ex = 1;
next;
}
}
# Do the backup
$err = &backup_database($db, $file,
$config{'backup_compress_'.$sf},
$config{'backup_drop_'.$sf},
$config{'backup_where_'.$sf},
$config{'backup_charset_'.$sf},
\@compat,
\@tables,
"root",
$config{'backup_single_'.$sf},
$config{'backup_quick_'.$sf},
);
if ($err) {
$ex = 1;
}
@st = stat($file);
push(@status, [ $db, $file, $err, $st[7] ]);
if (!$cmode) {
&execute_after($db, undef, 0, $file, $all ? undef : $db);
}
}
if ($cmode) {
&execute_after(undef, undef, 0, $config{'backup_'}, undef);
}
# Send status email
EMAIL:
if ($email &&
($notify == 0 || $notify == 1 && $ex || $notify == 2 && !$ex) &&
&foreign_check("mailboxes")) {
&foreign_require("mailboxes");
$host = &get_system_hostname();
$msg = $all ? 'backup_allsubject' : 'backup_subject';
$msg .= ($ex ? '_failed' : '_ok');
$subject = &text($msg, $dbs[0],
scalar(@dbs) || $text{'backup_bodyall'},
&get_display_hostname());
$data = &text('backup_body', $host,
scalar(@dbs) || $text{'backup_bodyall'})."\n\n";
if ($failure) {
$data .= $failure."\n";
}
$total = 0;
foreach $s (@status) {
$data .= &text('backup_bodydoing', $s->[0], $s->[1])."\n";
if ($s->[2]) {
$data .= &text('backup_bodyfailed', $s->[2]);
}
else {
$data .= &text('backup_bodyok', &nice_size($s->[3]));
$total += $s->[3];
}
$data .= "\n\n";
}
if ($all && $total) {
$data .= &text('backup_bodytotal', &nice_size($total))."\n\n";
}
if (&foreign_check("mount")) {
&foreign_require("mount");
$dir = $status[0]->[1];
while($dir ne "/" && !$total_space) {
$dir =~ s/\/[^\/]*$//;
$dir = "/" if (!$dir);
($total_space, $free_space) =
&mount::disk_space(undef, $dir);
}
if ($total_space) {
$data .= &text('backup_bodyspace',
&nice_size($total_space*1024),
&nice_size($free_space*1024))."\n\n";
}
}
&mailboxes::send_text_mail(&mailboxes::get_from_address(),
$email, undef, $subject, $data);
}
exit($ex);
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