From 38cad6021d905c893e66eb2fab90e669ccf7087b Mon Sep 17 00:00:00 2001
From: Micah Anderson <micah@riseup.net>
Date: Mon, 10 Jan 2011 15:35:52 -0500
Subject: add a $use_munin variable to give a knob to turn on/off munin
 graphing.

add two new munin graphs for puppetmaster: one to graph the memory usage of the running puppetmasters; and one to graph the average compile time
---
 files/munin/puppet_ | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 files/munin/puppet_

(limited to 'files')

diff --git a/files/munin/puppet_ b/files/munin/puppet_
new file mode 100644
index 0000000..ed488be
--- /dev/null
+++ b/files/munin/puppet_
@@ -0,0 +1,101 @@
+#!/usr/bin/env ruby
+
+# returns the mem usage of a given process
+def plist(psname)
+	counter = 0
+	%x{ps h -o rss,size,vsize,pcpu -u puppet}.each do |ps|
+		rss,size,vsize,cpu = ps.split
+		counter += 1
+		puts "puppetmasterd_#{counter}.value #{rss}" 
+			
+	end
+	return
+end
+
+# reports how many clients compiled in the last 5 minutes
+# repotrs how many unique clients compiled since the begining of the day
+# report the average compilation time for all clients in the last 5 minutes.
+def phaselog
+	logfile = ENV['puppet_logfile'] || '/var/log/daemon.log'
+	count,avg,day_count_unique,day_count = 0 ,0 ,0, 0
+	t = Time.now
+        today = t.strftime("^%b ") + " ?" + t.day.to_s
+	hour = today + t.strftime(" %H:")
+	m = t.min.to_i
+	last5m = ""
+	6.times do |i|
+		last5m += hour
+		last5m += "0" if (m-i) < 10
+		last5m += (m-i).to_s  
+		last5m += "|" unless i==5
+	end
+	hosts = Array.new
+	regexp = ".* for (.*) in (.*) seconds"
+
+	File.open(logfile).grep(/#{today}/).grep(/Compiled configuration|Compiled catalog/).each do |line|
+		case line
+			when /#{last5m}/ then
+				if line =~ /#{regexp}/
+					avg += $2.to_f
+					count += 1
+					unless hosts.include?($1)
+						hosts << $1
+					end
+				end
+			when /#{regexp}/ then
+				day_count += 1
+				unless hosts.include?($1)
+					hosts << $1 
+					day_count_unique += 1
+				end
+		end
+	end
+	puts "avg_compile.value #{(avg / count).to_s[0..3]}" unless count == 0
+	puts "last5m_count.value #{count}" 
+	puts "last24h_unique_count.value #{day_count_unique}" 
+end
+
+
+case ARGV[0]
+	when 'config'
+		case $0
+		when /puppetmaster_memory/
+			puts "graph_title puppetmaster memory usage"
+			puts "graph_vlabel memory"
+			# find out how many mongrel process we have - if any
+			File.open('/etc/default/puppetmaster') do |line|
+				@pm_process = line.grep(/PUPPETMASTERS/).to_s.split('=')[1].to_i
+			end
+			if @pm_process > 0 
+				@pm_process.times do |i|
+					puts "puppetmasterd_#{i+1}.label puppetmasterd #{i+1}"
+				end
+			else
+				puts "puppetmaster.label puppetmasterd"
+			end
+		when /puppet_clients/
+			puts "graph_title puppet clients usage"
+			puts "graph_vlabel clients"
+			puts "known_clients.label Known Clients"
+			puts "avg_compile.label Average configuration compile"
+			puts "last5m_count.label Clients in the last 5 minutes"
+			puts "last24h_unique_count.label unique clients in the last 24 hours"
+		end
+		puts "graph_category puppet"
+		exit 0
+	when 'autoconf'
+		case $0
+			when /puppet_mem/,/puppet_clients/
+				puts "yes"
+			else 
+				puts "no"
+			exit 0
+		end
+	else
+		plist("'ruby /usr/sbin/puppetmasterd'") if $0 =~ /puppet_mem$/
+		if $0 =~ /puppet_clients$/		
+			puts "known_clients.value #{Dir.entries('/var/lib/puppet/yaml/facts/').size-2}"
+			phaselog
+		end
+end
+
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