mirror of
https://github.com/munin-monitoring/muninlite.git
synced 2024-11-13 07:11:12 +01:00
127 lines
3.4 KiB
Bash
Executable file
127 lines
3.4 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 $PLUGINS, executables (scripts, binaries) in the specified path
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# and matching the pattern will be scanned and operated as plugins
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PLUGIN_DIRECTORY="$(dirname "$0")/munin-node-plugin.d"
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PLUGINPATTERN="*"
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# Remove unwanted plugins from this list
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PLUGINS="@@PLUGINS@@"
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# ===== LIB FUNCTIONS =====
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clean_fieldname() {
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echo "$@" | 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 -qwF "$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 -qwF "$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 (muninlite)"
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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 $(if [ -d "$PLUGIN_DIRECTORY" ]; then find -L "$PLUGIN_DIRECTORY" -type f -name "$PLUGINPATTERN"; fi);
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do
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if [ -f "$MYPLUGIN" ] && [ -x "$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 "$RES" | grep -qwF "$MYPLUGINNAME"; 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 $PLUG"
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fi
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done
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# sort plugin names and remove surrounding whitespace
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PLUGINS=$(echo "$RES" | xargs -r -n 1 echo | sort | xargs echo)
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# ===== MAIN LOOP =====
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FUNCTIONS="list nodes config fetch version quit"
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HOSTNAME=$(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 -qwF "$arg0"; then
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echo "# Unknown command. Try $(echo "$FUNCTIONS" | sed -e 's/\( [[:alpha:]]\{1,\}\)/,\1/g' -e 's/,\( [[:alpha:]]\{1,\}\)$/ or\1/')"
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else
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"do_$arg0" "$arg1"
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fi
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done
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