From 5db80a24a94e4361f80d591db2bb4a2e74c8d4cf Mon Sep 17 00:00:00 2001
From: Petter Reinholdtsen <pere@hungry.com>
Date: Sat, 31 May 2008 23:22:05 +0000
Subject:   [ Petter Reinholdtsen ]   * Updated sitesummary-nodes:     - Use IP
 address as hostname if the provided hostname is bogus       or missing in
 DNS.     - Ignore filesystem types autofs, binfmt_misc, iso9660, nfsd and
 usbfs       when generating nagios checks.

---
 SiteSummary.pm    | 23 +++++++++++++++++++++++
 debian/changelog  | 11 +++++++++++
 sitesummary-nodes | 17 ++++++++++++++++-
 3 files changed, 50 insertions(+), 1 deletion(-)

diff --git a/SiteSummary.pm b/SiteSummary.pm
index b6b449a..c37871a 100644
--- a/SiteSummary.pm
+++ b/SiteSummary.pm
@@ -82,6 +82,29 @@ sub get_hostname {
     return get_file_string($hostid, "/system/hostname");
 }
 
+#
+# Return the IP address on the primary network interface
+#
+sub get_primary_ip_address {
+    my $hostid = shift;
+    my $path = get_filepath_current($hostid, "/system/ifconfig-a");
+    # XXX Not implemented
+    my $ip;
+    if (open (FILE, $path)) {
+        while(<FILE>) {
+            chomp;
+            if (m/inet addr:(\S+)\s+/) {
+                $ip = $1;
+                last;
+            }
+        }
+        close(FILE);
+        return $ip;
+    } else {
+        return undef;
+    }
+}
+
 #
 # Return Linux kernel version for the machines using Linux.
 #
diff --git a/debian/changelog b/debian/changelog
index c2ffd9e..3c45a3a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,14 @@
+sitesummary (0.0.38) UNRELEASED; urgency=low
+
+  [ Petter Reinholdtsen ]
+  * Updated sitesummary-nodes:
+    - Use IP address as hostname if the provided hostname is bogus
+      or missing in DNS.
+    - Ignore filesystem types autofs, binfmt_misc, iso9660, nfsd and usbfs
+      when generating nagios checks.
+
+ -- Petter Reinholdtsen <pere@debian.org>  Sun,  1 Jun 2008 01:19:50 +0200
+
 sitesummary (0.0.37) unstable; urgency=low
 
   [ Morten Werner Forsbring ]
diff --git a/sitesummary-nodes b/sitesummary-nodes
index 2d235c7..013be62 100755
--- a/sitesummary-nodes
+++ b/sitesummary-nodes
@@ -24,9 +24,19 @@ if ($opts{'m'}) {
     print_list();
 }
 
+sub in_dns {
+    my $hostname = shift;
+    my $packed_ip = gethostbyname($hostname);
+    return defined $packed_ip;
+}
+
 sub handle_host {
     my $hostid = shift;
     my $hostname = get_hostname($hostid);
+    # Use IP address as hostname if the provided hostname is bogus or
+    # missing in DNS.
+    $hostname = get_primary_ip_address($hostid)
+        if (! in_dns($hostname) || "localhost" eq $hostname);
     $hostnames{$hostname} = $hostid;
 }
 
@@ -155,11 +165,16 @@ EOF
                 my ($dev, $partition, $fs, $opts) = split;
                 next if (exists $checked{$partition});
                 next if ($fs eq "devpts" ||
+                         $fs eq "autofs" ||
+                         $fs eq "binfmt_misc" ||
+                         $fs eq "iso9660" ||
+                         $fs eq "nfsd" ||
                          $fs eq "proc" ||
                          $fs eq "rootfs" ||
                          $fs eq "rpc_pipefs" ||
                          $fs eq "sysfs" ||
-                         $fs eq "tmpfs");
+                         $fs eq "tmpfs" ||
+                         $fs eq "usbfs");
 
                 $checked{$partition} = 1;
                 my $warn = 10;
-- 
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