--- /dev/null
+package FS::Tron;
+# a program to monitor outside systems
+
+use strict;
+use warnings;
+use base 'Exporter';
+use Net::SSH qw( sshopen2 ); #sshopen3 );
+use FS::Record qw( qsearchs );
+use FS::svc_external;
+use FS::cust_svc_option;
+
+our @EXPORT_OK = qw( tron_scan tron_lint);
+
+our %desired = (
+ #lenient for now, so we can fix up important stuff
+ 'freeside_version' => qr/^1\.(7\.3|9\.0)/,
+ 'debian_version' => qr/^4/,
+ 'apache_mpm' => qw/^(Prefork|$)/,
+
+ #stuff to add/replace later
+ #'pg_version' => qr/^8\.[1-9]/,
+ #'apache_version' => qr/^2/,
+ #'apache_mpm' => qw/^Prefork/,
+);
+
+sub tron_scan {
+ my $cust_svc = shift;
+
+ my $svc_external;
+ if ( ref($cust_svc) ) {
+ $svc_external = $cust_svc->svc_x;
+ } else {
+ $svc_external = qsearchs('svc_external', { 'svcnum' => $cust_svc } );
+ $cust_svc = $svc_external->cust_svc;
+ }
+
+ #don't scan again if things are okay
+ my $bad = 0;
+ foreach my $option ( keys %desired ) {
+ my $current = $cust_svc->option($option);
+ $bad++ unless $current =~ $desired{$option};
+ }
+ return '' unless $bad;
+
+ #do the scan
+ my %hash = ();
+ my $machine = $svc_external->title; # or better as a cust_svc_option??
+ sshopen2($machine, *READER, *WRITER, '/usr/local/bin/freeside-yori all');
+ while (<READER>) {
+ chomp;
+ my($option, $value) = split(/: ?/);
+ next unless defined($option) && exists($desired{$option});
+ $hash{$option} = $value;
+ }
+ close READER;
+
+ unless ( keys %hash ) {
+ return "error scanning $machine\n";
+ }
+
+ # store the results
+ foreach my $option ( keys %hash ) {
+ my %opthash = ( 'optionname' => $option,
+ 'svcnum' => $cust_svc->svcnum,
+ );
+ my $cust_svc_option = qsearchs('cust_svc_option', \%opthash )
+ || new FS::cust_svc_option \%opthash;
+ next if $cust_svc_option->optionvalue eq $hash{$option};
+ $cust_svc_option->optionvalue( $hash{$option} );
+ my $error = $cust_svc_option->optionnum
+ ? $cust_svc_option->replace
+ : $cust_svc_option->insert;
+ return $error if $error;
+ }
+
+ '';
+
+}
+
+sub tron_lint {
+ my $cust_svc = shift;
+
+ my @lint;
+ foreach my $option ( keys %desired ) {
+ my $current = $cust_svc->option($option);
+ push @lint, "$option is $current" unless $current =~ $desired{$option};
+ }
+
+ @lint;
+
+}
+
+1;