mirror of
https://github.com/munin-monitoring/contrib.git
synced 2018-11-08 00:59:34 +01:00
124 lines
2.7 KiB
Bash
Executable File
124 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
: << =cut
|
|
|
|
=head1 NAME
|
|
|
|
Munin plugin to monitor apache mod_cache_disk usage.
|
|
|
|
=head1 CONFIGURATION
|
|
|
|
[apache_cache_disk_count]
|
|
user www-data
|
|
env.cache_path /var/cache/apache2/mod_cache_disk
|
|
env.strings css js
|
|
env.label_cs CSS
|
|
env.colour_css FFFF00
|
|
env.label_js JS
|
|
env.colour_js FF0000
|
|
|
|
=head1 AUTHOR
|
|
|
|
Raphaël Droz <raphael.droz+floss@gmail.com>
|
|
|
|
=head1 LICENSE
|
|
|
|
GPLv2
|
|
|
|
=head1 MAGICK MARKERS
|
|
|
|
#%# family=auto
|
|
#%# capabilities=autoconf
|
|
|
|
=cut
|
|
|
|
. $MUNIN_LIBDIR/plugins/plugin.sh
|
|
|
|
my_cache_path="${cache_path:-/var/cache/apache2/mod_cache_disk}"
|
|
declare -a fieldnames labels colours
|
|
|
|
getenvdata() {
|
|
let during_autoconf=0
|
|
[[ $1 == -v ]] && during_autoconf=1
|
|
arg=( "${strings:-}" )
|
|
for i in ${arg[*]}; do
|
|
if [[ ! $i =~ ^[a-zA-Z0-9]+$ ]]; then
|
|
(( $during_autoconf )) && echo "no ($i isn't a valid fixed-string)"
|
|
ok=0
|
|
continue
|
|
fi
|
|
label=label_$i
|
|
if [[ -z "${!label}" ]]; then
|
|
(( $during_autoconf )) && echo "no ($i isn't given a label)"
|
|
ok=0
|
|
continue
|
|
fi
|
|
colour=colour_$i
|
|
if [[ -z "${!colour}" ]]; then
|
|
(( $during_autoconf )) && echo "no ($i isn't given a colour)"
|
|
ok=0
|
|
continue
|
|
fi
|
|
|
|
fieldnames+=($i)
|
|
labels+=("${!label}")
|
|
colours+=("${!colour}")
|
|
done
|
|
}
|
|
|
|
if [[ $1 == autoconf ]]; then
|
|
let ok=1
|
|
|
|
[[ -z $strings ]] && echo "no strings to monitor defined" && ok=0
|
|
! type -P htcacheclean &>/dev/null && echo "can't find htcacheclean" && ok=0
|
|
! test -d "$my_cache_path" && echo "cache_path \"$cache_path\" is not readable" && ok=0
|
|
|
|
getenvdata -v
|
|
|
|
(( ${#fieldnames[*]} == 0 )) && echo "no (no valid strings)" && ok=0
|
|
(( $ok == 1 )) && echo yes
|
|
exit 0
|
|
fi
|
|
|
|
getenvdata
|
|
|
|
if [[ $1 == config ]]; then
|
|
cat <<EOF
|
|
graph_title Apache mod_cache_disk usage
|
|
graph_title Number of entries in mod_cache_disk Apache cache
|
|
graph_args --base 1000 -l 0
|
|
graph_vlabel Y
|
|
graph_category Apache
|
|
graph_order ${fieldnames[*]} total
|
|
total.draw LINE1
|
|
total.label all
|
|
total.type GAUGE
|
|
total.min 0
|
|
EOF
|
|
|
|
let i=0
|
|
while (( $i < ${#fieldnames[*]} )); do
|
|
string=${fieldnames[$i]}
|
|
label="${labels[$i]}"
|
|
colour="${colours[$i]}"
|
|
cat <<EOF
|
|
${string}.draw AREASTACK
|
|
${string}.label ${label}
|
|
${string}.colour ${colour}
|
|
EOF
|
|
((i++))
|
|
done
|
|
exit 0
|
|
fi
|
|
|
|
total=$(htcacheclean -a -p "$my_cache_path"|wc -l)
|
|
asset_count=$(htcacheclean -a -p "$my_cache_path"|egrep -o "\.($(echo ${fieldnames[*]}|tr ' ' '|'))"|sort|uniq --count)
|
|
printf "total.value %d\n" "$total"
|
|
for i in ${fieldnames[*]}; do
|
|
c=$(echo "$asset_count"|sed -rn "/$i/s;^\s*([0-9]+).*;\1;p")
|
|
[[ -z $c ]] && c=U
|
|
printf "%s.value %s\n" "$i" "$c"
|
|
done
|
|
|
|
exit 0
|