Viewing file:  backup.pl (3.1 KB) -rwxr-xr-x
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#!/usr/bin/perl
# backup.pl
# Perform a backup and send the results to someone
$no_acl_check++;
require './fsdump-lib.pl';
$dump = &get_dump($ARGV[0]);
$dump->{'id'} || die "Dump $ARGV[0] does not exist!";
# Check if this backup is already running
&foreign_require("proc", "proc-lib.pl");
@procs = &proc::list_processes();
@running = &running_dumps(\@procs);
($running) = grep { $_->{'id'} eq $dump->{'id'} &&
$_->{'pid'} != $$ } @running;
$sfile = "$module_config_directory/$dump->{'id'}.$$.status";
if ($running) {
# Already running! Do nothing ..
$ok = 0;
$out = &text('email_already', $running->{'pid'})."\n";
}
else {
# Update status file
%status = ( 'status' => 'running',
'pid' => $$,
'start' => time() );
&write_file($sfile, \%status);
if ($dump->{'email'}) {
# Save output for mailing
$temp = &transname();
open(OUT, ">$temp");
}
else {
# Throw output away
open(OUT, ">/dev/null");
}
# Create tape change wrapper
&create_wrappers();
$bok = &execute_before($dump, OUT, 0);
if (!$bok && !$dump->{'beforefok'}) {
# Before command failed!
print OUT "\n$text{'email_ebefore'}\n";
$status{'status'} = 'failed';
}
else {
# Do the backup
$now = time();
$ok = &execute_dump($dump, OUT, 0, 1, $now);
# Re-update the status file
if ($ok) {
# Worked .. but verify if asked
if ($dump->{'reverify'}) {
print OUT "\n$text{'email_verify'}\n";
$ok = &verify_dump($dump, OUT, 0, 1, $now);
}
if ($ok) {
$status{'status'} = 'complete';
}
else {
$status{'status'} = 'verifyfailed';
}
}
else {
$status{'status'} = 'failed';
}
}
$status{'end'} = time();
&write_file($sfile, \%status);
if ($status{'status'} eq 'complete') {
# Execute the post-backup script
$bok = &execute_after($dump, OUT, 0);
if (!$bok && !$dump->{'afterfok'}) {
print OUT "\n$text{'email_eafter'}\n";
$status{'status'} = 'failed';
$ok = 0;
}
}
close(OUT);
if ($temp) {
# Read output
open(OUT, $temp);
while(<OUT>) {
s/\r//g;
$out .= $_;
}
close(OUT);
unlink($temp);
}
}
if ($out && $dump->{'email'} && &foreign_check("mailboxes")) {
# Construct the email
&foreign_require("mailboxes", "mailboxes-lib.pl");
$host = &get_system_hostname();
@dirs = &dump_directories($dump);
$dirs = join(", ", @dirs);
%hash = ( %$dirs, 'dirs' => $dirs );
local $subject = &substitute_template($dump->{'subject'}, \%hash) ||
&text('email_subject', $dirs, $host);
local $data = &text('email_subject', $dirs, $host)."\n\n";
$data .= $out;
$data .= "\n";
if ($ok) {
$data .= $text{'email_ok'}."\n";
}
else {
$data .= $text{'email_failed'}."\n";
}
# Send the email
if (!$ok || !$config{'error_email'}) {
# Only send email upon failure, or it requested always
&mailboxes::send_text_mail(&mailboxes::get_from_address(),
$dump->{'email'},
undef,
$subject,
$data,
$config{'smtp_server'});
}
}
# Check for any dumps scheduled to run after this one
foreach $follow (&list_dumps()) {
if ($follow->{'follow'} eq $dump->{'id'} && $follow->{'enabled'} == 2) {
system("$cron_cmd $follow->{'id'}");
}
}
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