128 lines
3.2 KiB
Bash
Executable File
128 lines
3.2 KiB
Bash
Executable File
#!/bin/sh
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#
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# Simple Bourne Shell script that implements Munin protocoll and
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# some common Linux plugins.
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#
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# For latest version, see http://muninlite.sf.net/
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#
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# Copyright (c) 2007-2011 Rune Nordbøe Skillingstad <rune@skillingstad.no>
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#
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# Licensed under GPLv2 (see LICENSE file for full License)
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#
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VERSION="@@VERSION@@"
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@@CONF@@
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# if plugindir_ is present in $PLUGINS,
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# iexecutables (scripts, binaries) matching the following pattern will be scanned and operated as plugins
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PLUGINPATTERN=$(dirname $0)"/munin-node-plugin.d/*"
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# Remove unwanted plugins from this list
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PLUGINS="@@PLUGINS@@"
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# ===== LIB FUNCTIONS =====
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clean_fieldname() {
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echo "$@" | sed -e 's/^[^A-Za-z_]/_/' -e 's/[^A-Za-z0-9_]/_/g'
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}
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# ===== PLUGINS CODE =====
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@@PLSTR@@
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# ===== NODE CODE =====
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do_list() {
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echo $PLUGINS
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}
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do_nodes() {
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echo "$HOSTNAME"
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echo "."
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}
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do_config() {
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if echo "$PLUGINS" | grep "\b$1\b" >/dev/null 2>&1; then
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config_$1
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else
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echo "# Unknown service"
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fi
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echo "."
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}
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do_fetch() {
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if echo "$PLUGINS" | grep "\b$1\b" >/dev/null 2>&1; then
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fetch_$1
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else
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echo "# Unknown service"
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fi
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echo "."
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}
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do_version() {
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echo "munins node on $HOSTNAME version: $VERSION (munin-lite)"
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}
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do_quit() {
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exit 0
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}
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# ===== Runtime config =====
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RES=""
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for PLUG in $PLUGINS
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do
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if [ "$PLUG" = "if_" ]; then
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for INTER in $(grep -E '^ *(ppp|eth|wlan|ath|ra|ipsec|tap|br-)[^:]{1,}:' /proc/net/dev | cut -f1 -d: | sed 's/ //g');
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do
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INTERRES=$(echo $INTER | sed -e 's/\./VLAN/' -e 's/\-/_/')
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RES="$RES if_$INTERRES"
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eval "fetch_if_${INTERRES}() { fetch_if $INTER $@; };"
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eval "config_if_${INTERRES}() { config_if $INTER $@; };"
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done
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elif [ "$PLUG" = "if_err_" ]; then
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for INTER in $(grep -E '^ *(ppp|eth|wlan|ath|ra|ipsec|tap|br-)[^:]{1,}:' /proc/net/dev | cut -f1 -d: | sed 's/ //g');
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do
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INTERRES=$(echo $INTER | sed -e 's/\./VLAN/' -e 's/\-/_/')
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RES="$RES if_err_$INTERRES"
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eval "fetch_if_err_${INTERRES}() { fetch_if_err $INTER $@; };"
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eval "config_if_err_${INTERRES}() { config_if_err $INTER $@; };"
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done
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elif [ "$PLUG" = "netstat" ]; then
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if netstat -s >/dev/null 2>&1; then
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RES="$RES netstat"
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fi
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elif [ "$PLUG" = "plugindir_" ]; then
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for MYPLUGIN in $(ls -1 $PLUGINPATTERN 2>/dev/null );
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do
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if [ -f $MYPLUGIN -a -x $MYPLUGIN ]; then
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MYPLUGINNAME=$(basename $MYPLUGIN)
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#ensure we don't have name collision
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if echo "$RES" | grep "\b$MYPLUGINNAME\b" >/dev/null 2>&1 ; then
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MYPLUGINNAME="plugindir_$MYPLUGINNAME"
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fi
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RES="$RES $MYPLUGINNAME"
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eval "fetch_${MYPLUGINNAME}() { $MYPLUGIN ; };"
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eval "config_${MYPLUGINNAME}() { $MYPLUGIN config ; };"
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fi
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done
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else
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RES="$RES $PLUG"
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fi
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done
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PLUGINS=$RES
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# ===== MAIN LOOP =====
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FUNCTIONS="list nodes config fetch version quit"
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HOSTNAME=$(hostname -f 2>/dev/null || hostname)
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echo "# munin node at $HOSTNAME"
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while read arg0 arg1
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do
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arg0=$(echo "$arg0" | xargs)
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arg1=$(echo "$arg1" | xargs)
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if ! echo "$FUNCTIONS" | grep "\b$arg0\b" >/dev/null 2>&1 ; then
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echo "# Unknown command. Try" $(echo "$FUNCTIONS" | sed -e 's/\( [[:alpha:]]\{1,\}\)/,\1/g' -e 's/,\( [[:alpha:]]\{1,\}\)$/ or\1/')
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continue
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fi
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do_$arg0 $arg1
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done
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