GeoHelm/postgis/clone_db.cgi

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2024-01-27 19:04:46 +00:00
#!/usr/bin/perl
require './geohelm-lib.pl';
require './pg-lib.pl';
foreign_require('postgresql', 'postgresql-lib.pl');
&ReadParse();
&ui_print_header(undef, $text{'snapshots_clone_title'}, "");
my $db_source = $in{'db_source'};
my $db_target = $in{'db_target'};
#make a timestamp
my ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) = localtime(time);
my $db_timestamp = sprintf("%04d-%02d-%02d-%02d-%02d", $year+1900,$mon+1,$mday,$hour,$min);
my $bkup_dir = get_snapshots_dir();
print "Creating snapshot for <tt>$db_source</tt> ...<br>";
my $filename = $db_timestamp.'_'.$db_source.'.dump';
my $file = $bkup_dir.'/'.$filename;
my $err = &postgresql::backup_database($db_source, $file, 'd');
if($err){
print "Backup of database $db_source to file $file failed:\n$err";
&ui_print_footer("", $text{'index_return'});
exit;
}
print "Snapshot $file saved<br>";
&postgresql::execute_sql_safe(undef, "create database $db_target");
print "Cloning <tt>$db_target</tt> using $file ...<br>";
my $err = &postgresql::restore_database($db_target, $file);
if($err){
print "Restore of database $db_target from $file failed:\n$err";
&unlink_file($file); #remove source snapshot file
&ui_print_footer("", $text{'index_return'});
exit;
}
&unlink_file($file); #remove source snapshot file
print "Done<br>";
&ui_print_footer("", $text{'index_return'});