IPMI sensors plugin

git-svn-id: svn+ssh://asteria.noreply.org/svn/weaselutils/trunk@80 bc3d92e2-beff-0310-a7cd-cc87d7ac0ede

1 files changed, 141 insertions, 0 deletions

diff --git a/munin/ipmi_sensor_ b/munin/ipmi_sensor_
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+++ b/munin/ipmi_sensor_
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+#!/usr/bin/ruby
+#
+# Copyright (c) 2006 Peter Palfrader
+#
+#%# family=auto
+#%# capabilities=autoconf suggest
+
+require 'yaml';
+
+VALID_UNITS = %w{volts degrees_c rpm}
+
+def bail_out(m)
+	STDERR.puts "#{$0}: #{m}"
+	exit 1
+end
+def normalize_sensor(s)
+	s.downcase.tr('^a-z0-9.', '_')
+end
+def normalize_unit(s)
+	s.downcase.tr('^a-z0-9.', '_')
+end
+def get_sensor_data
+	data = []
+	names = {}
+	IO.popen("ipmitool -I open sensor") do |f|
+		f.each do |line|
+			line.strip!
+			# cpu1.vtt-s3      | 1.200      | Volts      | ok    | na        | 1.080     | na        | na        | 1.320     | na        
+			# CPU0 IERR        | 0x0        | discrete   | 0x0100| na        | na        | na        | na        | na        | na········
+			items = line.split(/\s*\|\s*/)
+			unless items.size == 10
+				bail_out "Got weird number of fields in ipmitool output.  Expected 10 but got #{items.size} for line '#{line}'."
+			end
+			(name, value, unit, status, lower_non_recov, lower_crit, lower_non_crit, upper_non_crit, upper_crit, upper_non_recv) = items
+			nname = normalize_sensor name;
+			if names.has_key?(nname)
+				bail_out "Sensor name #{name} (normalized to #{nname}) appears more than once in ipmitool output."
+			end
+			names[nname] = 1
+			data << {
+				:name => name,
+				:value => value,
+				:unit => unit,
+				:status => status,
+				:lower_non_recov => lower_non_recov,
+				:lower_crit => lower_crit,
+				:lower_non_crit => lower_non_crit,
+				:upper_non_crit => upper_non_crit,
+				:upper_crit => upper_crit,
+				:upper_non_recv => upper_non_recv,
+				:line => line
+			}
+		end
+	end
+	data
+end
+
+def autoconf
+	if get_sensor_data.length > 0
+		puts "yes"
+	else
+		puts "no (no ipmitool output"
+	end
+end
+def suggest
+	#puts get_sensor_data.collect{ |i| normalize_unit(i[:unit]) }.uniq.sort.delete_if{ |i| i == "discrete" }
+	VALID_UNITS.each do |u|
+		puts "u_#{u}"
+	end
+end
+
+def query_unit
+	match = /_u_(.*?)$/.match($0)
+	unless match
+		bail_out "Could not figure out which unit you want based on executeable name."
+	end
+	match[1]
+end
+
+def config
+	u = query_unit
+	case u
+		when "volts"
+			puts "graph_title IPMI Sensors: Voltages"
+			puts "graph_args --base 1000 -l 0"
+			puts "graph_vlabel Volts";
+			puts "graph_category sensors"
+			puts "graph_info This graph shows the voltages as reported by IPMI"
+			get_sensor_data.each do |d|
+				next unless normalize_unit(d[:unit]) == u
+				n = normalize_sensor(d[:name])
+				puts "#{n}.label #{d[:name]}"
+			end
+		when "degrees_c"
+			puts "graph_title IPMI Sensors: Temperature"
+			puts "graph_args --base 1000 -l 0"
+			puts "graph_vlabel Degrees C";
+			puts "graph_category sensors"
+			puts "graph_info This graph shows the temperatures as reported by IPMI"
+			get_sensor_data.each do |d|
+				next unless normalize_unit(d[:unit]) == u
+				n = normalize_sensor(d[:name])
+				puts "#{n}.label #{d[:name]}"
+			end
+		when "rpm"
+			puts "graph_title IPMI Sensors: RPMs"
+			puts "graph_args --base 1000 -l 0"
+			puts "graph_vlabel RPM";
+			puts "graph_category sensors"
+			puts "graph_info This graph shows the RPMs as reported by IPMI"
+			get_sensor_data.each do |d|
+				next unless normalize_unit(d[:unit]) == u
+				n = normalize_sensor(d[:name])
+				puts "#{n}.label #{d[:name]}"
+			end
+		else
+			bail_out "Do not know how to handle unit '#{u}'"
+	end
+end
+
+
+def report
+	u = query_unit
+	get_sensor_data.each do |d|
+		next unless normalize_unit(d[:unit]) == u
+		n = normalize_sensor(d[:name])
+		puts "#{n}.value #{d[:value]}"
+	end
+end
+
+
+case ARGV[0]
+	when "autoconf"
+		autoconf
+	when "suggest"
+		suggest
+	when "config"
+		config
+	else
+		report
+end