contrib/exec-nagios.px: Use the environment variables for defaults.

diff --git a/contrib/exec-nagios.px b/contrib/exec-nagios.px
index b26981f..4b112f9 100755 (executable)
--- a/contrib/exec-nagios.px
+++ b/contrib/exec-nagios.px
@@ -24,7 +24,8 @@ use Regexp::Common ('number');
 our $ConfigFile = '/etc/exec-nagios.conf';
 our $TypeMap = {};
 our $Scripts = [];
-our $Interval = 300;
+our $Interval = defined ($ENV{'COLLECTD_INTERVAL'}) ? (0 + $ENV{'COLLECTD_INTERVAL'}) : 300;
+our $Hostname = defined ($ENV{'COLLECTD_HOSTNAME'}) ? $ENV{'COLLECTD_HOSTNAME'} : '';
 
 main ();
 exit (0);
@@ -263,7 +264,7 @@ sub execute_script
   my $time = time ();
   my $script = shift;
   my @args = ();
-  my $host = hostname () || 'localhost';
+  my $host = $Hostname || hostname () || 'localhost';
 
   my $state = 0;
   my $serviceoutput;