Import

git-svn-id: svn://svn.code.sf.net/p/muninlite/code/muninlite@1 35caa317-6b62-4e8a-81c0-b04f0c356266
2024-12-22 05:42:13 +01:00 · 2007-06-11 15:45:16 +00:00 · 2007-06-11 15:45:16 +00:00 · 7c8bd1e394
commit 7c8bd1e394
26 changed files with 1261 additions and 0 deletions
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+++ b/37
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 As MuninLite has close bounds to munin-node code, some of the plugin
 code is borrowed from the Linux plugins. As most of the code checkins
 are done by previous Munin maintainer, Jimmy Olsen <jimmyo@linpro.no>,
 some credits might be missing.
 MuninLite hearby credits the following people for their contribution
 to Munin or MuninLite
 Jimmy Olsen <jimmyo@linpro.no>
 - df plugin in Munin
 - cpu plugin in  Munin
 - if_ and if_err_ plugin in Munin
 - load plugin in Munin
 - memory plugin in Munin
 - processes plugin in Munin
 - interupts plugin in Munin
 Mike Fedyk <mfedyk@mikefedyk.com>
 - memory plugin in Munin
 - context switch graphing in interupts plugin in Munin
 Nicolas Salles <mosan@users.sourceforge.net>
 - uptime plugin in Munin
 Ragnar Wisløff
 - Idea and base for interupts plugin in Munin
 Dagfinn Ilmari Mannsåker <ilmari@users.sourceforge.net>
 - irqstats plugin in Munin
 Kai Ove Gran <kaiove@humla.no>
 - Help regarding available features in busybox in floppyfw
 - Build script (muninlite.mk) for floppyfw devkit
   (http://pong.no/floppyfw/muninlite/)
 - post ini script (post-muninlite.ini) for floppyfw 
   (http://pong.no/floppyfw/muninlite/)
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 muninlite
 Changelog:
 0.9.14 - 0.9.15
 Date: 
  - Some documentations added
 0.9.13 - 0.9.14
 Date: 2007-06-10
  - Plugins as separate files
  - Makefile (make smaller munin-node for systems with less plugins)
 0.9.12 - 0.9.13
 Date: 2007-06-10
  - Fixed spikes (hopefully) in if_ and if_err_
  - Fixed missing output due to parsed $ in variables in multiple plugins
 0 - 0.9.12
 Date: 2007-06-08
  - First Changelog
  - Initial "release"
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--- a/46
+++ b/46
@ -0,0 +1,46 @@
 #PLUGINS=df cpu if_ if_err_ load memory processes swap netstat uptime interrupts irqstats
 PLUGINS=cpu if_ if_err_ load memory processes netstat uptime interrupts irqstats
 munin-node:
 	@VERSION=$$(cat VERSION); \
 	echo "Making munin-node for muninlite version $$VERSION"; \
 	PLSTR=""; \
 	for PLGIN in $(PLUGINS); \
 	do \
 	  echo "Adding plugin $$PLGIN"; \
 	  PLSTR=$$(echo "$$PLSTR"; grep -v '^#' plugins/$$PLGIN); \
 	done; \
 	PLSTR=$$(echo "$$PLSTR" | sed -e 's/\\/\\\\/g' \
 		      	            -e 's/\//\\\//g' \
 				    -e 's/\$$/\\$$/g'); \
 	perl -p -e \
 	  "s/\@\@VERSION\@\@/$$VERSION/;s/\@\@PLUGINS\@\@/$(PLUGINS)/;s/\@\@PLSTR\@\@/$$PLSTR/;" \
 	  munin-node.in > munin-node
 	@chmod +x munin-node
 all: munin-node
 clean-node:
 	@echo "Removing munin-node"
 	@rm -f munin-node
 clean-tgz: 
 	@echo "Old releases"
 	@rm -rf releases
 clean: clean-node
 clean-all: clean-node clean-tgz
 tgz: clean-node
 	@VERSION=$$(cat VERSION); \
 	echo "Building release/muninlite-$$VERSION.tar.gz"; \
 	mkdir -p releases; \
 	cp -ra . releases/muninlite-$$VERSION 2>/dev/null || true; \
 	cd releases; \
 	rm -rf  muninlite-$$VERSION/releases; \
 	tar zcvf muninlite-$$VERSION.tar.gz muninlite-$$VERSION >/dev/null; \
 	rm -rf  muninlite-$$VERSION;
--- a/171
+++ b/171
@ -0,0 +1,171 @@
 README for MuninLite
 ====================
 MuninLite is a single Bourne Shell script that implements the Munin
 protocoll as well as some Linux specific plugins. The motivation for
 developing MuninLite was to provide a simple Munin Node, using inetd
 on systems without a full featured Perl and/or bash or a busybox
 system. 
 MuninLite is Copyright (C) 2007 Rune Nordbøe Skillingstad
 <rune@skillingstad.no> and released under GPLv2 (see LICENSE file)
 Features
 --------
 MuninLite implements the following plugins:
 * df 
 * cpu 
 * if_ 
 * if_err_ 
 * load 
 * memory
 * processes
 * swap
 * netstat
 * uptime
 * interrupts
 * irqstats
 Included files
 --------------
 Changelog     			Changelog 
 CREDITS	      			Credits to contributors
 LICENSE				GPLv2 License
 Makefile			Rules to make munin-node
 README				This file
 TODO				Things to do in future releases
 VERSION				Current version
 munin-node.in			The MuninLite script skeleton
 examples/xinetd.d/munin 	Sample xinetd configuration
 examples/inetd.conf		Sample inetd.conf configuration
 examples/inetd.busybox		Sample inetd.conf configuration for busybox
 examples/hosts.deny		Sample hosts.deny configuration
 examples/hosts.allow		Sample hosts.allow configuration
 plugins/cpu			CPU usage plugin
 plugins/df			Filesystem usage plugin
 plugins/if_			Network interface traffic plugin
 plugins/if_err_			Network interface errors plugin
 plugins/interrupts		Interrupts & context switches plugin
 plugins/irqstats		Individual interrupts plugin
 plugins/load			Load average plugin
 plugins/memory			Memory usage plugin
 plugins/netstat			Netstat plugin
 plugins/processes		Number of Processes plugin
 plugins/swap			Swap in/out plugin
 plugins/uptime			Uptime plugin
 Build requirements
 ------------------
 Make	     (Not sure what requirements)
 Perl         (even very old versions should work)
 Requirements
 ------------
 Bourne Shell (ash or dash should be sufficient)
 grep   	     (simple grep in busybox is sufficient)
 sed	     (simple sed in busybox is sufficient -- but a bit strange...)
 cut	     (cut in busybox is sufficient)
 wc	     (wc in busybox is sufficient)
 xargs	     (xargs in busybox is sufficient)
 inetd	     (inetd in busybox is sufficient)
 Installation
 ------------
 Download source and unpack it.
 Edit Makefile to suit your choice of plugins
 Make munin-node by running "make"
  # make
  Making munin-node for muninlite version 0.9.14
  Adding plugin df
  Adding plugin cpu
  Adding plugin if_
  Adding plugin if_err_
  Adding plugin load
  Adding plugin memory
  Adding plugin processes
  Adding plugin swap
  Adding plugin netstat
  Adding plugin uptime
  Adding plugin interrupts
  Adding plugin irqstats
 Copy munin-node to a suitable location (/usr/local/bin/) and make it
 executable (there will be a "make install" at a later release)
  # cp munin-node /usr/local/bin
  # chmod +x /usr/local/bin/munin-node
 Add munin port to /etc/services
  # echo "munin           4949/tcp        lrrd            # Munin" >>/etc/services
 Configure inetd or xinetd to fork this script for request on the
 munin port (4949). 
 Sample configuration for xinetd is located in examples/xinetd.d/munin
  # cp examples/xinetd.d/munin /etc/xinetd.d 
  # killall -HUP xinetd
 Sample configuration for inetd is located in examples/inetd.conf
  # cat examples/inetd.conf >> /etc/inetd.conf
  # killall -HUP inetd
 Restrict access to munin port using hosts.allow and
 hosts.deny or add a rule to your favorite firewall config.
 Examples of hosts.allow/deny settings is provided in the examples
 directory.
 Iptables might be set with something like this:
  # iptables -A INPUT -p tcp --dport munin --source 10.42.42.25 -j ACCEPT 
 Test
 ----
 To test script, just run it (/usr/bin/local/munin-node):
  # /usr/local/bin/munin-node
  # munin node at localhost.localdomain
  help
  # Unknown command. Try list, nodes, config, fetch, version or quit
  list
  df cpu if_eth0 if_eth1 if_err_eth0 if_err_eth1 load memory
  version
  munins node on mose.medisin.ntnu.no version: 0.0.5 (munin-lite)
  quit
 For inetd-test, try to telnet to munin port from allowed host.
  # telnet localhost 4949
  Trying 127.0.0.1...
  Connected to localhost.
  Escape character is '^]'.
  # munin node at localhost.localdomain
  help
  # Unknown command. Try list, nodes, config, fetch, version or quit
  list
  df cpu if_eth0 if_eth1 if_err_eth0 if_err_eth1 load memory
  version
  munins node on mose.medisin.ntnu.no version: 0.0.5 (munin-lite)
  quit
  Connection closed by foreign host.
 Plugin configuration 
 ------------------------
 To configure which plugins should be enabled, locate the PLUGINS
 variable in munin-node and remove unwanted plugins.
 There is no specific configuration for plugins. 
 Munin configuration
 -------------------
 Configure your /etc/munin/munin.conf as you would for a regular
 munin-node.
 [some.host.tld]
    address 10.42.42.25
    use_node_name yes
--- a/2
+++ b/2
@ -0,0 +1,2 @@
 * Homepage
 * Documentation
--- a/1
+++ b/1
@ -0,0 +1 @@
 0.9.15
--- a/doc/Working-distributions.txt
+++ b/doc/Working-distributions.txt
@ -0,0 +1,12 @@
 These distributions are known to be working with muninlite:
 * Floppyfw 3.0
 - Needs a busybox with inetd 
 - See http://pong.no/floppyfw/muninlite/
 * Endian Firewall Community 2.1
 - Needs some kind of inetd (xinetd RPM from Centos might work)
 * OpenSuSE 10.2 
 - Just works
--- a/examples/hosts.allow
+++ b/examples/hosts.allow
@ -0,0 +1 @@
 munin-node : 10.42.42.25
--- a/examples/hosts.deny
+++ b/examples/hosts.deny
@ -0,0 +1 @@
 munin-node : ALL
--- a/examples/inetd.busybox
+++ b/examples/inetd.busybox
@ -0,0 +1 @@
 munin	stream	tcp	nowait	root	/usr/local/bin/munin-node
--- a/examples/inetd.conf
+++ b/examples/inetd.conf
@ -0,0 +1 @@
 munin	stream	tcp	nowait	root	/usr/sbin/tcpd  /usr/local/bin/munin-node
--- a/examples/xinetd.d/munin
+++ b/examples/xinetd.d/munin
@ -0,0 +1,11 @@
 service munin
 {
        socket_type     = stream
        protocol        = tcp
        wait            = no
        user            = root
 	group		= root
 	only_from       = 10.42.42.25
        server          = /usr/local/bin/munin-node
        disable         = no
 }
--- a/munin-node.in
+++ b/munin-node.in
@ -0,0 +1,103 @@
 #!/bin/sh
 #
 # Simple Bourne Shell script that implements Munin protocoll and 
 # some common Linux plugins.
 #
 # For latest version, see http://muninlite.sf.net/
 #
 # Copyright (c) 2007 Rune Nordbøe Skillingstad <rune@skillingstad.no>
 # 
 # Licensed under GPLv2 (see LICENSE file for full License)
 #
 # $Id: $
 #
 VERSION="@@VERSION@@"
 # Remove unwanted plugins from this list
 PLUGINS="@@PLUGINS@@"
 # ===== PLUGINS CODE =====
@@PLSTR@@
 # ===== NODE CODE =====
 do_list() {
  echo $PLUGINS
 }
 do_nodes() {
  echo "$HOSTNAME"
  echo "."
 }
 do_config() {
  if echo "$PLUGINS" | grep "\b$1\b" >/dev/null 2>&1; then
    config_$1
  else
    echo "# Unknown service"
  fi
  echo "."
 }
 do_fetch() {
  if echo "$PLUGINS" | grep "\b$1\b" >/dev/null 2>&1; then
    fetch_$1
  else
    echo "# Unknown service"
  fi
  echo "."
 }
 do_version() {
  echo "munins node on $HOSTNAME version: $VERSION (munin-lite)"
 }
 do_quit() {
  exit 0
 }
 # ===== Runtime config =====
 RES=""
 for PLUG in $PLUGINS
 do 
  if [ "$PLUG" = "if_" ]; then  
    for INTER in $(grep '^ *\(eth\|wlan\|ath\|ra\)[0-9]\{1,\}:' /proc/net/dev | cut -f1 -d: | sed 's/ //g');
    do
      RES="$RES if_$INTER"
      eval "fetch_if_${INTER}() { fetch_if $INTER $@; };"
      eval "config_if_${INTER}() { config_if $INTER $@; };"
    done
  elif [ "$PLUG" = "if_err_" ]; then
    for INTER in $(grep '^ *\(eth\|wlan\|ath\|ra\)[0-9]\{1,\}:' /proc/net/dev | cut -f1 -d: | sed 's/ //g');
    do
      RES="$RES if_err_$INTER"
      eval "fetch_if_err_${INTER}() { fetch_if_err $INTER $@; };"
      eval "config_if_err_${INTER}() { config_if_err $INTER $@; };"
    done
  elif [ "$PLUG" = "netstat" ]; then
    if netstat -s >/dev/null 2>&1; then
      RES="$RES netstat"
    fi
  else
    RES="$RES $PLUG";
  fi
 done
 PLUGINS=$RES
 # ===== MAIN LOOP =====
 FUNCTIONS="list nodes config fetch version quit"
 HOSTNAME=$(hostname -f 2>/dev/null || hostname)
 echo "# munin node at $HOSTNAME"
 while read arg0 arg1 
 do 
  arg0=$(echo "$arg0" | xargs)
  arg1=$(echo "$arg1" | xargs)  
  if ! echo "$FUNCTIONS" | grep "\b$arg0\b" >/dev/null 2>&1 ; then
    echo "# Unknown command. Try" $(echo "$FUNCTIONS" | sed -e 's/\( [[:alpha:]]\{1,\}\)/,\1/g' -e 's/,\( [[:alpha:]]\{1,\}\)$/ or\1/')
    continue
  fi
  do_$arg0 $arg1
 done 
--- a/plugins/cpu
+++ b/plugins/cpu
@ -0,0 +1,83 @@
 config_cpu() {
  extinfo=""
  if grep '^cpu \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\}' /proc/stat >/dev/null 2>&1; then
    extinfo="iowait irq softirq"
  fi
  NCPU=$(($(grep '^cpu. ' /proc/stat | wc -l) - 1))
  PERCENT=$(($NCPU * 100))
  graphlimit=$PERCENT
  SYSWARNING=$(($PERCENT * 30 / 100))
  SYSCRITICAL=$(($PERCENT * 50 / 100))
  USRWARNING=$(($PERCENT * 80 / 100))
  echo "graph_title CPU usage"
  echo "graph_order system user nice idle" $extinfo
  echo "graph_args --base 1000 -r --lower-limit 0 --upper-limit $graphlimit"
  echo "graph_vlabel %"
  echo "graph_scale no"
  echo "graph_info This graph shows how CPU time is spent."
  echo "graph_category system"
  echo "graph_period second"
  echo "system.label system"
  echo "system.draw AREA"
  echo "system.max 5000"
  echo "system.min 0"
  echo "system.type DERIVE"
  echo "system.warning $SYSWARNING"
  echo "system.critical $SYSCRITICAL"
  echo "system.info CPU time spent by the kernel in system activities"
  echo "user.label user"
  echo "user.draw STACK"
  echo "user.min 0"
  echo "user.max 5000"
  echo "user.warning $USRWARNING"
  echo "user.type DERIVE"
  echo "user.info CPU time spent by normal programs and daemons"
  echo "nice.label nice"
  echo "nice.draw STACK"
  echo "nice.min 0"
  echo "nice.max 5000"
  echo "nice.type DERIVE"
  echo "nice.info CPU time spent by nice(1)d programs"
  echo "idle.label idle"
  echo "idle.draw STACK"
  echo "idle.min 0"
  echo "idle.max 5000"
  echo "idle.type DERIVE"
  echo "idle.info Idle CPU time"
  if [ ! -z "$extinfo" ]; then
    echo "iowait.label iowait"
    echo "iowait.draw STACK"
    echo "iowait.min 0"
    echo "iowait.max 5000"
    echo "iowait.type DERIVE"
    echo "iowait.info CPU time spent waiting for I/O operations to finish"
    echo "irq.label irq"
    echo "irq.draw STACK"
    echo "irq.min 0"
    echo "irq.max 5000"
    echo "irq.type DERIVE"
    echo "irq.info CPU time spent handling interrupts"
    echo "softirq.label softirq"
    echo "softirq.draw STACK"
    echo "softirq.min 0"
    echo "softirq.max 5000"
    echo "softirq.type DERIVE"
    echo "softirq.info CPU time spent handling "batched" interrupts"
  fi
 }
 fetch_cpu() {
  extinfo=""
  if grep '^cpu \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\} \{1,\}[0-9]\{1,\}' /proc/stat >/dev/null 2>&1; then
    extinfo="iowait irq softirq"
  fi
  CINFO=$(grep '^cpu ' /proc/stat | cut -c6-)
  echo "user.value" $(echo "$CINFO" | cut -d\  -f1)
  echo "nice.value" $(echo "$CINFO" | cut -d\  -f2)
  echo "system.value" $(echo "$CINFO" | cut -d\  -f3)
  echo "idle.value" $(echo "$CINFO" | cut -d\  -f4)
  if [ ! -z "$extinfo" ]; then
    echo "iowait.value" $(echo "$CINFO" | cut -d\  -f5)
    echo "irq.value" $(echo "$CINFO" | cut -d\  -f6)
    echo "softirq.value" $(echo "$CINFO" | cut -d\  -f7)
  fi
 }
--- a/plugins/df
+++ b/plugins/df
@ -0,0 +1,24 @@
 config_df() {
  echo "graph_title Filesystem usage (in %)
 graph_args --upper-limit 100 -l 0
 graph_vlabel %
 graph_category disk
 graph_info This graph shows disk usage on the machine."
  for PART in $(df | grep '\/[a-z0-9]*$' | sed 's/ \{1,\}/ /g;' | cut -d\  -f6)
  do
    PINFO=$(df $PART | tail -1);
    PNAME=$(echo $PINFO | cut -d\  -f1 | sed 's/\//_/g')
    echo "$PNAME.label $PART"
    echo "$PNAME.info $PNAME -> $PART"
    echo "$PNAME.warning 92"
    echo "$PNAME.critical 98"
  done
 }
 fetch_df() {
  for PART in $(df | grep '\/[a-z0-9]*$' | sed 's/ \{1,\}/ /g;' | cut -d\  -f6)
  do
    PINFO=$(df $PART | tail -1);
    PNAME=$(echo $PINFO | cut -d\  -f1 | sed 's/\//_/g')
    echo "$PNAME.value" $(echo $PINFO | cut -f5 -d\  | sed -e 's/\%//g')
  done
 }
--- a/plugins/if_
+++ b/plugins/if_
@ -0,0 +1,21 @@
 config_if() {
  echo "graph_order down up"
  echo "graph_title $1 traffic"
  echo "graph_args --base 1000"
  echo "graph_vlabel bits in (-) / out (+) per \${graph_period}"
  echo "graph_category network"
  echo "graph_info This graph shows the traffic of the $INTERFACE network interface. Please note that the traffic is shown in bits per second, not bytes. IMPORTANT: Since the data source for this plugin use 32bit counters, this plugin is really unreliable and unsuitable for most 100Mb (or faster) interfaces, where bursts are expected to exceed 50Mbps. This means that this plugin is usuitable for most production environments. To avoid this problem, use the ip_ plugin instead."
  echo "down.label received"
  echo "down.type COUNTER"
  echo "down.graph no"
  echo "down.cdef down,8,*"
  echo "up.label bps"
  echo "up.type COUNTER"
  echo "up.negative down"
  echo "up.cdef up,8,*"
 }
 fetch_if() {
  IINFO=$(grep "$1:" /proc/net/dev | cut -d: -f2 | sed -e 's/  / /g')
  echo "down.value" $(echo $IINFO | cut -d\  -f1)
  echo "up.value" $(echo $IINFO | cut -d\  -f9)
 }
--- a/plugins/if_err_
+++ b/plugins/if_err_
@ -0,0 +1,21 @@
 config_if_err() {
  echo "graph_order rcvd trans"
  echo "graph_title $1 errors"
  echo "graph_args --base 1000"
  echo "graph_vlabel packets in (-) / out (+) per \${graph_period}"
  echo "graph_category network"
  echo "graph_info This graph shows the amount of errors on the $1 network interface."
  echo "rcvd.label packets"
  echo "rcvd.type COUNTER"
  echo "rcvd.graph no"
  echo "rcvd.warning 1"
  echo "trans.label packets"
  echo "trans.type COUNTER"
  echo "trans.negative rcvd"
  echo "trans.warning 1"
 }
 fetch_if_err() {
  IINFO=$(grep "$1:" /proc/net/dev | cut -d: -f2 | sed -e 's/  / /g')
  echo "rcvd.value" $(echo $IINFO | cut -d\  -f3)
  echo "trans.value" $(echo $IINFO | cut -d\  -f11)
 }
--- a/plugins/interrupts
+++ b/plugins/interrupts
@ -0,0 +1,22 @@
 config_interrupts() {
  echo "graph_title Interrupts & context switches"
  echo "graph_args --base 1000 -l 0"
  echo "graph_vlabel interrupts & ctx switches / \${graph_period}"
  echo "graph_category system"
  echo "graph_info This graph shows the number of interrupts and context switches on the system. These are typically high on a busy system."
  echo "intr.info Interrupts are events that alter sequence of instructions executed by a processor. They can come from either hardware (exceptions, NMI, IRQ) or software."
  echo "ctx.info A context switch occurs when a multitasking operatings system suspends the currently running process, and starts executing another."
  echo "intr.label interrupts"
  echo "ctx.label context switches"
  echo "intr.type DERIVE"
  echo "ctx.type DERIVE"
  echo "intr.max 100000"
  echo "ctx.max 100000"
  echo "intr.min 0"
  echo "ctx.min 0"
 }
 fetch_interrupts() {
  IINFO=$(cat /proc/stat)
  echo "ctx.value" $(echo "$IINFO" | grep "^ctxt" | cut -d\  -f2)
  echo "intr.value" $(echo "$IINFO" | grep "^intr" | cut -d\  -f2)
 }
--- a/plugins/irqstats
+++ b/plugins/irqstats
@ -0,0 +1,36 @@
 config_irqstats() {
  echo "graph_title Individual interrupts
 graph_args --base 1000 -l 0;
 graph_vlabel interrupts / \${graph_period}
 graph_category system"
  CPUS=$(grep 'CPU[0-9]' /proc/interrupts | wc -w)
  IINFO=$(sed -e 's/ \{1,\}/ /g' -e 's/^ //' /proc/interrupts  | grep '.:')
  for ID in $(echo "$IINFO" | cut -d: -f1)
  do
    IDL=$(echo "$IINFO" | grep "^$ID:")
    INFO=$(eval "echo \"$IDL\" | cut -d\  -f$((3+$CPUS))-")
    if [ "$INFO" = "" ]; then
      echo "i$ID.label $ID"
    else
      echo "i$ID.label $INFO"
      echo "i$ID.info Interrupt $ID, for device(s): $INFO"
    fi
    echo "i$ID.type DERIVE"
    echo "i$ID.min 0"
  done
 }
 fetch_irqstats() {
  CPUS=$(grep 'CPU[0-9]' /proc/interrupts | wc -w)
  IINFO=$(sed -e 's/ \{1,\}/ /g' -e 's/^ //' /proc/interrupts  | grep '.:')
  for ID in $(echo "$IINFO" | cut -d: -f1)
  do
    IDL=$(echo "$IINFO" | grep "^$ID:")
    VALS=$(eval "echo \"$IDL\" | cut -d\  -f2-$((1+$CPUS))")
    VALUE=0
    for VAL in $VALS;
    do
      VALUE=$(($VALUE + $VAL))
    done
    echo "i$ID.value $VALUE"
  done
 }
--- a/plugins/load
+++ b/plugins/load
@ -0,0 +1,15 @@
 config_load() {
  echo "graph_title Load average
 graph_args --base 1000 -l 0
 graph_vlabel load
 graph_scale no
 graph_category system
 load.label load
 load.warning 10
 load.critical 120
 graph_info The load average of the machine describes how many processes are in the run-queue (scheduled to run \"immediately\").
 load.info Average load for the five minutes."
 }
 fetch_load() {
  echo "load.value" $(cut -f2 -d\  /proc/loadavg)
 }
--- a/plugins/memory
+++ b/plugins/memory
@ -0,0 +1,185 @@
 config_memory() {
  MINFO=$(cat /proc/meminfo | sed 's/ \{1,\}/ /g;')
  MEMTOTAL=$(echo "$MINFO" | grep "^MemTotal:" | cut -d\  -f2)
  PAGETABLES=$(echo "$MINFO" | grep "^PageTables:" | cut -d\  -f2)
  SWAPCACHED=$(echo "$MINFO" | grep "^SwapCached:" | cut -d\  -f2)
  SWAPTOTAL=$(echo "$MINFO" | grep "^SwapTotal:" | cut -d\  -f2)
  VMALLOCUSED=$(echo "$MINFO" | grep "^VmallocUsed:" | cut -d\  -f2)
  SLAB=$(echo "$MINFO" | grep "^Slab:" | cut -d\  -f2)
  MAPPED=$(echo "$MINFO" | grep "^Mapped:" | cut -d\  -f2)
  COMMITTEDAS=$(echo "$MINFO" | grep "^Committed_AS:" | cut -d\  -f2)
  ACTIVE=$(echo "$MINFO" | grep "^Active:" | cut -d\  -f2)
  INACTIVE=$(echo "$MINFO" | grep "^Inactive:" | cut -d\  -f2)
  ACTIVEANON=$(echo "$MINFO" | grep "^ActiveAnon:" | cut -d\  -f2)
  ACTIVECACHE=$(echo "$MINFO" | grep "^ActiveCache:" | cut -d\  -f2)
  INACTIVE=$(echo "$MINFO" | grep "^Inactive:" | cut -d\  -f2)
  INACTDIRTY=$(echo "$MINFO" | grep "^Inact_dirty:" | cut -d\  -f2)
  INACTLAUNDY=$(echo "$MINFO" | grep "^Inact_laundry:" | cut -d\  -f2)
  INACTCLEAN=$(echo "$MINFO" | grep "^Inact_clean:" | cut -d\  -f2)
  GRAPH_ORDER="apps";
  test "$PAGETABLES" != "" && GRAPH_ORDER="$GRAPH_ORDER page_tables"
  test "$SWAPCACHED" != "" && GRAPH_ORDER="$GRAPH_ORDER swap_cache"
  test "$VMALLOCUSED" != "" && GRAPH_ORDER="$GRAPH_ORDER vmalloc_used"
  test "$SLAB" != "" && GRAPH_ORDER="$GRAPH_ORDER slab"
  GRAPH_ORDER="$GRAPH_ORDER cached buffers free swap"
  echo "graph_args --base 1024 -l 0 --vertical-label Bytes --upper-limit $MEMTOTAL"
  echo "graph_title Memory usage"
  echo "graph_category system"
  echo "graph_info This graph shows what the machine uses its memory for."
  echo "graph_order $GRAPH_ORDER"
  echo "apps.label apps"
  echo "apps.draw AREA"
  echo "apps.info Memory used by user-space applications."
  echo "buffers.label buffers"
  echo "buffers.draw STACK"
  echo "buffers.info Block device (e.g. harddisk) cache. Also where \"dirty\" blocks are stored until written."
  echo "swap.label swap"
  echo "swap.draw STACK"
  echo "swap.info Swap space used."
  echo "cached.label cache"
  echo "cached.draw STACK"
  echo "cached.info Parked file data (file content) cache."
  echo "free.label unused"
  echo "free.draw STACK"
  echo "free.info Wasted memory. Memory that is not used for anything at all."
  if [ "$SLAB" != "" ]; then
    echo "slab.label slab_cache"
    echo "slab.draw STACK"
    echo "slab.info Memory used by the kernel (major users are caches like inode, dentry, etc)."
  fi
  if [ "$SWAPCACHED" != "" ]; then
    echo "swap_cache.label swap_cache"
    echo "swap_cache.draw STACK"
    echo "swap_cache.info A piece of memory that keeps track of pages that have been fetched from swap but not yet been modified."
  fi
  if [ "$PAGETABLES" != "" ]; then
    echo "page_tables.label page_tables"
    echo "page_tables.draw STACK"
    echo "page_tables.info Memory used to map between virtual and physical memory addresses.\n"
  fi
  if [ "$VMALLOCUSED" != "" ]; then
    echo "vmalloc_used.label vmalloc_used"
    echo "vmalloc_used.draw STACK"
    echo "vmalloc_used.info Virtual memory used by the kernel (used when the memory does not have to be physically contigious)."
  fi
  if [ "$COMMITTEDAS" != "" ]; then
    echo "committed.label committed"
    echo "committed.draw LINE2"
    echo "committed.warn" $(($SWAPTOTAL + $MEMTOTAL))
    echo "committed.info The amount of memory that would be used if all the memory that's been allocated were to be used."
  fi
  if [ "$MAPPED" != "" ]; then
    echo "mapped.label mapped"
    echo "mapped.draw LINE2"
    echo "mapped.info All mmap()ed pages."
  fi
  if [ "$ACTIVE" != "" ]; then
    echo "active.label active"
    echo "active.draw LINE2"
    echo "active.info Memory recently used. Not reclaimed unless absolutely necessary."
  fi
  if [ "$ACTIVEANON" != "" ]; then
    echo "active_anon.label active_anon"
    echo "active_anon.draw LINE1"
  fi
  if [ "$ACTIVECACHE" != "" ]; then
    echo "active_cache.label active_cache"
    echo "active_cache.draw LINE1"
  fi
  if [ "$INACTIVE" != "" ]; then
    echo "inactive.label inactive"
    echo "inactive.draw LINE2"
    echo "inactive.info Memory not currently used."
  fi
  if [ "$INACTDIRTY" != "" ]; then
    echo "inact_dirty.label inactive_dirty"
    echo "inact_dirty.draw LINE1"
    echo "inact_dirty.info Memory not currently used, but in need of being written to disk."
  fi
  if [ "$INACTLAUNDRY" != "" ]; then
    echo "inact_laundry.label inactive_laundry"
    echo "inact_laundry.draw LINE1"
  fi
  if [ "$INACTCLEAN" != "" ]; then
    echo "inact_clean.label inactive_clean"
    echo "inact_clean.draw LINE1"
    echo "inact_clean.info Memory not currently used."
  fi
 }
 fetch_memory() {
  MINFO=$(cat /proc/meminfo | sed 's/ \{1,\}/ /g;')
  MEMTOTAL=$(echo "$MINFO" | grep "^MemTotal:" | cut -d\  -f2)
  MEMFREE=$(echo "$MINFO" | grep "^MemFree:" | cut -d\  -f2)
  BUFFERS=$(echo "$MINFO" | grep "^Buffers:" | cut -d\  -f2)
  CACHED=$(echo "$MINFO" | grep "^Cached:" | cut -d\  -f2)
  SWAP_TOTAL=$(echo "$MINFO" | grep "^SwapTotal:" | cut -d\  -f2)
  SWAP_FREE=$(echo "$MINFO" | grep "^SwapFree:" | cut -d\  -f2)
  MEMTOTAL=$(echo "$MINFO" | grep "^MemTotal:" | cut -d\  -f2)
  PAGETABLES=$(echo "$MINFO" | grep "^PageTables:" | cut -d\  -f2)
  SWAPCACHED=$(echo "$MINFO" | grep "^SwapCached:" | cut -d\  -f2)
  VMALLOCUSED=$(echo "$MINFO" | grep "^VmallocUsed:" | cut -d\  -f2)
  SLAB=$(echo "$MINFO" | grep "^Slab:" | cut -d\  -f2)
  MAPPED=$(echo "$MINFO" | grep "^Mapped:" | cut -d\  -f2)
  COMMITTEDAS=$(echo "$MINFO" | grep "^Committed_AS:" | cut -d\  -f2)
  ACTIVE=$(echo "$MINFO" | grep "^Active:" | cut -d\  -f2)
  INACTIVE=$(echo "$MINFO" | grep "^Inactive:" | cut -d\  -f2)
  ACTIVEANON=$(echo "$MINFO" | grep "^ActiveAnon:" | cut -d\  -f2)
  ACTIVECACHE=$(echo "$MINFO" | grep "^ActiveCache:" | cut -d\  -f2)
  INACTIVE=$(echo "$MINFO" | grep "^Inactive:" | cut -d\  -f2)
  INACTDIRTY=$(echo "$MINFO" | grep "^Inact_dirty:" | cut -d\  -f2)
  INACTLAUNDY=$(echo "$MINFO" | grep "^Inact_laundry:" | cut -d\  -f2)
  INACTCLEAN=$(echo "$MINFO" | grep "^Inact_clean:" | cut -d\  -f2)
  APPS=$(($MEMTOTAL - $MEMFREE - $BUFFERS - $CACHED))
  SWAP=$(($SWAP_TOTAL - $SWAP_FREE))
  echo "buffers.value" $(($BUFFERS * 1024))
  echo "swap.value" $(($SWAP * 1024))
  echo "cached.value" $(($CACHED * 1024))
  echo "free.value" $(($MEMFREE * 1024))
  if [ "$SLAB" != "" ]; then
    echo "slab.value" $(($SLAB * 1024))
    APPS=$(($APPS - $SLAB))
  fi
  if [ "$SWAPCACHED" != "" ]; then
    echo "swap_cache.value" $(($SWAPCACHED * 1024))
    APPS=$(($APPS - $SWAPCACHED))
  fi
  if [ "$PAGETABLES" != "" ]; then
    echo "page_tables.value" $(($PAGETABLES * 1024))
    APPS=$(($APPS - $PAGETABLES))
  fi
  if [ "$VMALLOCUSED" != "" ]; then
    echo "vmalloc_used.value" $(($VMALLOCUSED * 1024))
    APPS=$(($APPS - $VMALLOCUSED))
  fi
  if [ "$COMMITTEDAS" != "" ]; then
    echo "committed.value" $(($COMMITTEDAS * 1024))
  fi
  if [ "$MAPPED" != "" ]; then
    echo "mapped.value" $(($MAPPED * 1024))
  fi
  if [ "$ACTIVE" != "" ]; then
    echo "active.value" $(($ACTIVE * 1024))
  fi
  if [ "$ACTIVEANON" != "" ]; then
    echo "active_anon.value" $(($ACTIVEANON * 1024))
  fi
  if [ "$ACTIVECACHE" != "" ]; then
    echo "active_cache.value" $(($ACTIVECACHE * 1024))
  fi
  if [ "$INACTIVE" != "" ]; then
    echo "inactive.value" $(($INACTIVE * 1024))
  fi
  if [ "$INACTDIRTY" != "" ]; then
    echo "inact_dirty.value" $(($INACTDIRTY * 1024))
  fi
  if [ "$INACTLAUNDRY" != "" ]; then
    echo "inact_laundry.value" $(($INACTLAUNDRY * 1024))
  fi
  if [ "$INACTCLEAN" != "" ]; then
    echo "inact_clean.value" $(($INACTCLEAN * 1024))
  fi
  echo "apps.value" $(($APPS * 1024))
 }
--- a/plugins/netstat
+++ b/plugins/netstat
@ -0,0 +1,41 @@
 config_netstat() {
  echo "graph_title Netstat"
  echo "graph_args -l 0 --base 1000"
  echo "graph_vlabel active connections"
  echo "graph_category network"
  echo "graph_period second"
  echo "graph_info This graph shows the TCP activity of all the network interfac
 es combined."
  echo "active.label active"
  echo "active.type DERIVE"
  echo "active.max 50000"
  echo "active.min 0"
  echo "active.info The number of active TCP openings per second."
  echo "passive.label passive"
  echo "passive.type DERIVE"
  echo "passive.max 50000"
  echo "passive.min 0"
  echo "passive.info The number of passive TCP openings per second."
  echo "failed.label failed"
  echo "failed.type DERIVE"
  echo "failed.max 50000"
  echo "failed.min 0"
  echo "failed.info The number of failed TCP connection attempts per second."
  echo "resets.label resets"
  echo "resets.type DERIVE"
  echo "resets.max 50000"
  echo "resets.min 0"
  echo "resets.info The number of TCP connection resets."
  echo "established.label established"
  echo "established.type GAUGE"
  echo "established.max 50000"
  echo "established.info The number of currently open connections."
 }
 fetch_netstat() {
  NINFO=$(netstat -s | sed 's/ \{1,\}/ /g')
  echo "active.value" $(echo "$NINFO" | grep "active connections" | cut -d\  -f2)
  echo "passive.value" $(echo "$NINFO" | grep "passive connection" | cut -d\  -f2)
  echo "failed.value" $(echo "$NINFO" | grep "failed connection" | cut -d\  -f2)
  echo "resets.value" $(echo "$NINFO" | grep "connection resets" | cut -d\  -f2)
  echo "established.value" $(echo "$NINFO" | grep "connections established" | cut -d\  -f2)
 }
--- a/plugins/processes
+++ b/plugins/processes
@ -0,0 +1,13 @@
 config_processes() {
  echo "graph_title Number of Processes"
  echo "graph_args --base 1000 -l 0 "
  echo "graph_vlabel number of processes"
  echo "graph_category processes"
  echo "graph_info This graph shows the number of processes in the system."
  echo "processes.label processes"
  echo "processes.draw LINE2"
  echo "processes.info The current number of processes."
 }
 fetch_processes() {
  echo "processes.value" $(echo /proc/[0-9]* | wc -w)
 }
--- a/plugins/swap
+++ b/plugins/swap
@ -0,0 +1,27 @@
 config_swap() {
  echo "graph_title Swap in/out"
  echo "graph_args -l 0 --base 1000"
  echo "graph_vlabel pages per \${graph_period} in (-) / out (+)"
  echo "graph_category system"
  echo "swap_in.label swap"
  echo "swap_in.type DERIVE"
  echo "swap_in.max 100000"
  echo "swap_in.min 0"
  echo "swap_in.graph no"
  echo "swap_out.label swap"
  echo "swap_out.type DERIVE"
  echo "swap_out.max 100000"
  echo "swap_out.min 0"
  echo "swap_out.negative swap_in"
 }
 fetch_swap() {
  if [ -f /proc/vmstat ]; then
    SINFO=$(cat /proc/vmstat)
    echo "swap_in.value" $(echo "$SINFO" | grep "^pswpin" | cut -d\  -f2)
    echo "swap_out.value" $(echo "$SINFO" | grep "^pswpout" | cut -d\  -f2)
  else
    SINFO=$(grep "^swap" /proc/stat)
    echo "swap_in.value" $(echo "$SINFO" | cut -d\  -f2)
    echo "swap_out.value" $(echo "$SINFO" | cut -d\  -f3)
  fi
 }
--- a/plugins/uptime
+++ b/plugins/uptime
@ -0,0 +1,11 @@
 config_uptime() {
  echo "graph_title Uptime"
  echo "graph_args --base 1000 -l 0 "
  echo "graph_vlabel uptime in days"
  echo "uptime.label uptime"
  echo "uptime.draw AREA"
  echo "uptime.cdef uptime,86400,/"
 }
 fetch_uptime() {
  echo "uptime.value" $(cut -d\  -f1 /proc/uptime)
 }
		`@ -0,0 +1 @@`
							`munin stream tcp nowait root /usr/local/bin/munin-node`
		`@ -0,0 +1 @@`
							`munin stream tcp nowait root /usr/sbin/tcpd /usr/local/bin/munin-node`