207 lines
7.8 KiB
Plaintext
207 lines
7.8 KiB
Plaintext
|
#!/bin/bash
|
||
|
|
# Munin CLI
|
||
|
|
# Found on http://munin.scarydevilmonastery.net/
|
||
|
|
|
||
|
|
# ----- munin plugin management script -----
|
||
|
|
# munin [ restart | permissions | active | available | bak | help]
|
||
|
|
# munin [ <enable | disable | edit | purge> <plugin>]
|
||
|
|
# munin [ run <plugin [command]>]
|
||
|
|
|
||
|
|
# munin restart reloads munin config, through init.d script
|
||
|
|
# munin permissions edit /etc/munin/plugin-conf.d/munin-node
|
||
|
|
# munin active list enabled plugins
|
||
|
|
# munin available list all plugins from repositiories except the active ones
|
||
|
|
# munin run plugin execute plugin through munin-run
|
||
|
|
# munin run plugin config execute config section of plugin through munin-run
|
||
|
|
# munin run plugin autoconf execute config section of plugin through munin-run
|
||
|
|
# munin enable plugin symlink to plugin and reload munin config
|
||
|
|
# munin disable plugin remove symlink to plugin and reload munin config
|
||
|
|
# munin purge plugin remove symlin to plugin, its .rrd files and the associated .html files
|
||
|
|
# munin edit plugin open plugin in editor
|
||
|
|
# munin export plugin copy plugin to other server(s)
|
||
|
|
# munin bak remove *~ files from plugin repository directories
|
||
|
|
# munin template plugin start editing a new plugin
|
||
|
|
# munin pack create archive, containing plugins
|
||
|
|
# munin help print overview of commands
|
||
|
|
# munin print overview of commands
|
||
|
|
|
||
|
|
# multiple plugin repositories are supported.
|
||
|
|
# running without arguments shows a command overview
|
||
|
|
|
||
|
|
# depends on external programs:
|
||
|
|
# stat, sed, find, sort, uniq.
|
||
|
|
|
||
|
|
versions="yes"
|
||
|
|
plugins=(/usr/local/share/munin/plugins /usr/share/munin/plugins) # where are plugins kept? First path is local, where new plugins from template are added
|
||
|
|
munin="/etc/munin/plugins" # munin enabled plugins (symlinks to plugins) are here
|
||
|
|
trash="$HOME/.Trash" # where to move files of purged plugins to?
|
||
|
|
host="localhost"
|
||
|
|
domain="localdomain"
|
||
|
|
servers="" # list of machines to export plugins to
|
||
|
|
muninlib="/var/lib/munin/$domain" # rrd files store
|
||
|
|
muninweb="/var/www/munin/$domain" # html files store
|
||
|
|
muninhost=$host.$domain
|
||
|
|
permissions="/etc/munin/plugin-conf.d/munin-node"
|
||
|
|
archive="/var/www/plugins/munin-plugins.tgz" # munin pack updates this archive, for downloading through web server
|
||
|
|
autopack="no" # update $archive after edit
|
||
|
|
|
||
|
|
plugin="$2"
|
||
|
|
wildcard="$3"
|
||
|
|
|
||
|
|
# editor choice: if not specified in environment variable EDIT, use environment variables EDITOR, then VISUAL
|
||
|
|
# if still no success, try executable "editor", and if still no editor found, hardcode to /usr/bin/vi. I know that
|
||
|
|
# this looks funny, but these are legal bashisms.
|
||
|
|
: ${EDIT:=${EDITOR:-${VISUAL:-"$(which editor)"}}}
|
||
|
|
: ${EDIT:="/usr/bin/vi"}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
# -------------------------------------------------------------------------
|
||
|
|
|
||
|
|
required="chase sort grep sed uniq find stat munin-run scp"
|
||
|
|
# chase instead of readlink -f because it can handle wildcards
|
||
|
|
|
||
|
|
for require in $required; do
|
||
|
|
type -t $require > /dev/null ||
|
||
|
|
echo "warning: required program $require not found"
|
||
|
|
done
|
||
|
|
|
||
|
|
checkin() {
|
||
|
|
[[ $versions == yes ]] && mkdir -p $(dirname $1)/RCS && ci -l -mautocheckin $1
|
||
|
|
}
|
||
|
|
|
||
|
|
munin_active() { stat -c%N $munin/* ;} # show enabled plugins
|
||
|
|
munin_run() { munin-run $plugin $wildcard ;} # run a plugin with munin-run
|
||
|
|
|
||
|
|
munin_restart() { # restart munin-node
|
||
|
|
echo -n restarting munin node...
|
||
|
|
/etc/init.d/munin-node restart &> /dev/null
|
||
|
|
echo done
|
||
|
|
}
|
||
|
|
|
||
|
|
munin_available() { # show available, inactive plugins
|
||
|
|
(find ${plugins[*]} -maxdepth 1 -type f ;
|
||
|
|
chase $munin/*) |
|
||
|
|
sort | uniq -u
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
munin_disable() { # removes plugin or link from $munin
|
||
|
|
if [[ -z "$plugin" ]] ; then munin_active ; exit 1 ; fi
|
||
|
|
if [[ ! -z "$wildcard" ]] ; then plugin+="_$wildcard" ; fi
|
||
|
|
if [[ ! -h $munin/$plugin ]] ; then
|
||
|
|
if [[ ! -f $munin/$plugin ]] ; then echo "plugin not enabled" ; exit 1 ; fi
|
||
|
|
fi
|
||
|
|
echo removing $munin/$plugin ; rm $munin/$plugin && munin_restart
|
||
|
|
}
|
||
|
|
|
||
|
|
findplugin() {
|
||
|
|
for pluginpath in ${plugins[*]} ; do
|
||
|
|
if [[ -f "$pluginpath/$1" ]] ; then
|
||
|
|
echo "$pluginpath"
|
||
|
|
break
|
||
|
|
fi
|
||
|
|
done
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
munin_enable() { # creates a link to plugin in $munin
|
||
|
|
if [[ -z "$plugin" ]] ; then munin_available ; exit 1 ; fi
|
||
|
|
if [[ -f $munin/$plugin ]] ; then echo plugin already enabled ; exit 0 ; fi
|
||
|
|
usepath=$(findplugin "$plugin")
|
||
|
|
if [[ -z "$usepath" ]] ; then echo plugin not found ; exit 1 ; fi
|
||
|
|
source="$plugin"
|
||
|
|
chmod +x "${usepath}/${source}"
|
||
|
|
if [[ ! -z "$wildcard" ]] ; then plugin+="$wildcard" ; fi
|
||
|
|
ln -s "${usepath}/${source}" "${munin}/${plugin}"
|
||
|
|
echo "enabled $(stat -c%N ${munin}/${plugin})"
|
||
|
|
echo "-------------------------------------------------------------------"
|
||
|
|
echo "plugin output:"
|
||
|
|
munin-run "${plugin}"
|
||
|
|
echo "-------------------------------------------------------------------"
|
||
|
|
munin_restart
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
munin_purge() { # move link, web files and rrd file to $trash
|
||
|
|
if mkdir -p "$trash" ; then
|
||
|
|
munin_disable $plugin
|
||
|
|
cleanplugin="${plugin//.-/_}"
|
||
|
|
ls $muninlib/$muninhost-$cleanplugin-*.rrd
|
||
|
|
mv $muninlib/$muninhost-$cleanplugin-*.rrd "$trash"
|
||
|
|
else
|
||
|
|
echo "can't access $trash dir"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
munin_pack() { # pack all plugins into a tgz archive
|
||
|
|
tar cpzf "$archive" ${plugins[@]//plugins/plugins/* }
|
||
|
|
}
|
||
|
|
|
||
|
|
munin_edit() { # edit plugin source of an active plugin
|
||
|
|
plugintarget=$(chase "$munin/$plugin")
|
||
|
|
if [[ -z "$plugintarget" ]] ; then
|
||
|
|
pluginpath=$(findplugin "$plugin")
|
||
|
|
if [[ -z "$pluginpath" ]] ; then
|
||
|
|
echo "plugin not found"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
plugintarget="$pluginpath/$plugin"
|
||
|
|
fi
|
||
|
|
$EDIT "$plugintarget"
|
||
|
|
checkin "$plugintarget"
|
||
|
|
[[ "$autopack" == "yes" ]] && munin_pack
|
||
|
|
}
|
||
|
|
|
||
|
|
munin_permissions() { # edit plugin permissions file
|
||
|
|
CHANGED=$(stat -c%Y $permissions)
|
||
|
|
$EDIT $permissions
|
||
|
|
(( CHANGED == $(stat -c%Y $permissions) )) || munin_restart
|
||
|
|
}
|
||
|
|
|
||
|
|
munin_bak() { # remove files ending in ~ as left by joe as backup files
|
||
|
|
for pluginpath in ${plugins[*]} ; do
|
||
|
|
ls $pluginpath/*~ 2> /dev/null && rm $pluginpath/*~
|
||
|
|
done
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
munin_template() { # start editing a new plugin, using template
|
||
|
|
echo $plugin
|
||
|
|
if [[ -f ${plugins}/$plugin ]]; then
|
||
|
|
echo "$plugin already exists"
|
||
|
|
else
|
||
|
|
cp ${plugins}/template ${plugins}/$plugin
|
||
|
|
munin edit $plugin
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
munin_migrate() { # move system plugin to local plugins, relink if necessary
|
||
|
|
if [[ -f ${plugins[1]}/$plugin ]]; then
|
||
|
|
plugintarget=$(chase "$munin/$plugin")
|
||
|
|
[[ $plugintarget ]] && munin disable $plugin
|
||
|
|
mv ${plugins[1]}/$plugin ${plugins[0]}
|
||
|
|
[[ $plugintarget ]] && munin enable $plugin
|
||
|
|
fi
|
||
|
|
}
|
||
|
|
|
||
|
|
# -------------------------------------------------------------------------
|
||
|
|
|
||
|
|
munin_help() { # shows this
|
||
|
|
grep '^munin_.*().*#' $(which $0) |
|
||
|
|
sed 's/().*#/ : /;s/_/ /'
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
# -------------------------------------------------------------------------
|
||
|
|
|
||
|
|
munin_${1:-help}
|
||
|
|
|
||
|
|
# consider to generate a warning with absolute graph styles:
|
||
|
|
# grep -i "\.type *absolute"
|
||
|
|
|