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#!/usr/bin/perl
# backup.pl
# Called by cron to backup a database
$no_acl_check++;
require './postgresql-lib.pl';
if ($ARGV[0] eq "--all") {
$all = 1;
@dbs = &list_databases();
$cmode = $config{'backup_cmode_'};
}
else {
$ARGV[0] || die "Missing database parameter";
@dbs = ( $ARGV[0] );
$cmode = 0;
}
if ($cmode) {
# Run and check before-backup command (for all DBs)
$bok = &execute_before(undef, STDOUT, 0, $config{'backup_'}, undef);
if (!$bok) {
print STDERR "Before-backup command failed!\n";
exit(1);
}
}
$ex = 0;
foreach $db (@dbs) {
$sf = $all ? "" : $db;
if (!&accepting_connections($db)) {
#print STDERR "Database $db is not accepting connections.\n";
next;
}
$format = $config{'backup_format_'.$sf};
$mkdir = $config{'backup_mkdir_'.$sf};
$suf = $format eq "p" ? "sql" :
$format eq "t" ? "tar" : "post";
if ($all) {
$dir = &date_subs($config{'backup_'});
$file = "$dir/$db.$suf";
&make_backup_dir($dir) if ($mkdir);
}
else {
$file = &date_subs($config{'backup_'.$db});
}
@tables = split(/\s+/, $config{'backup_tables_'.$sf});
if (!$file) {
print STDERR "No backup file set for database $db\n";
exit(1);
}
if (!$cmode) {
# Run and check before-backup command (for one DB)
$bok = &execute_before($db, STDOUT, 0, $file, $all ? undef : $db);
if (!$bok) {
print STDERR "Before-backup command failed!\n";
$ex = 1;
next;
}
}
unlink($file);
$err = &backup_database($db, $file, $format, \@tables);
if ($err) {
print STDERR "Backup of database $db to file $file failed:\n";
print STDERR $err;
$ex = 1;
}
if (!$cmode) {
&execute_after($db, STDOUT, 0, $file, $all ? undef : $db);
}
}
if ($cmode) {
&execute_after(undef, STDOUT, 0, $config{'backup_'}, undef);
}
exit($ex);
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