* Add munin plugin to graph sites based on an idea from Narvik.

4 files changed, 58 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 026d0fc..d384b57 100644
--- a/Makefile
+++ b/Makefile
@@ -51,6 +51,9 @@ install-server:
 	$(INSTALL) -o www-data -d $(DESTDIR)$(pkgvardir)/tmpstorage
 	$(INSTALL) -d $(DESTDIR)$(pkgvardir)/www
 
+	$(INSTALL) -d $(DESTDIR)/usr/share/munin/plugins/.
+	$(INSTALL) munin-plugin $(DESTDIR)/usr/share/munin/plugins/sitesummary-sites
+
 install-client:
 	$(INSTALL) -d $(DESTDIR)$(sbindir)
 	$(INSTALL) sitesummary-client sitesummary-upload $(DESTDIR)$(sbindir)
diff --git a/debian/changelog b/debian/changelog
index 3cbb4e3..7820cc0 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -11,6 +11,7 @@ sitesummary (0.0.38) UNRELEASED; urgency=low
       when generating nagios checks.
     - More automatically configured Nagios checks based on the
       old Debian Edu configuration.
+  * Add munin plugin to graph sites based on an idea from Narvik.
 
  -- Petter Reinholdtsen <pere@debian.org>  Sun,  1 Jun 2008 01:19:50 +0200
 
diff --git a/debian/sitesummary.install b/debian/sitesummary.install
index 1ac7e58..60673d2 100644
--- a/debian/sitesummary.install
+++ b/debian/sitesummary.install
@@ -3,5 +3,6 @@ debian/tmp/usr/lib/cgi-bin
 debian/tmp/usr/lib/sitesummary/*-summary
 debian/tmp/usr/sbin/sitesummary-makewebreport
 debian/tmp/usr/sbin/sitesummary-nodes
+debian/tmp/usr/share/munin/plugins
 debian/tmp/usr/share/perl5
 debian/tmp/var/lib/sitesummary
diff --git a/munin-plugin b/munin-plugin
new file mode 100755
index 0000000..0034e20
--- /dev/null
+++ b/munin-plugin
@@ -0,0 +1,53 @@
+#!/usr/bin/perl
+#
+# Generate list of nodes to load from /etc/munin/munin.conf to check
+# all the machines reporting to sitesummary.
+
+use strict;
+use warnings;
+
+use SiteSummary;
+
+my %sitelabels;
+
+if (!defined $ARGV[0]) {
+    for_all_hosts(\&handle_host);
+    for my $sitelabel (sort keys %sitelabels) {
+        print "$sitelabel.value ", $sitelabels{$sitelabel}, "\n";
+    }
+} elsif ($ARGV[0] eq "config") {
+    for_all_hosts(\&handle_host);
+    print "graph_title SiteSummary History\n";
+    print "graph_order " . join(" ", sort keys %sitelabels), "\n";
+    print "graph_vlabel count\n";
+    print "graph_scale yes\n";
+    print "graph_height 400\n";
+    print "graph_category SiteSummary\n";
+
+    my $first = 1;
+    for my $sitelabel (sort keys %sitelabels) {
+        print "$sitelabel.label $sitelabel\n";
+        if ($first) {
+            print "$sitelabel.draw AREA\n"
+        } else {
+            print "$sitelabel.draw STACK\n"
+        }
+        $first = 0;
+    }
+} elsif ($ARGV[0] eq "autoconf") {
+    # This module is only available when the sitesummary collector is
+    # installed too, thus we always answer yes.
+    print "yes\n";
+    exit 0;
+}
+
+sub handle_host {
+    my $hostid = shift;
+    for my $site (get_site($hostid)) {
+        $site = "NoSite" unless defined $site;
+        $site =~ s/[^a-zA-Z_]/_/g;
+        $sitelabels{$site}++;
+    }
+}
+
+exit 0;