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#!/bin/bash
: <<=cut
=head1 NAME
dovecot_stats_ - Munin plugin to display statistics for the dovecot mail server
=head1 CONFIGURATION
This plugin must be run with permissions to run "doveadm". That usually means root, but to test, run the following as any user:
doveadm who
If you get a permission denied message, check the permissions on the socket mentioned in the error line.
=head1 MAGIC MARKERS
#%# family=contrib
#%# capability=autoconf suggest
=head1 AUTHOR
Paul Saunders <darac+munin@darac.org.uk>
=cut
. $MUNIN_LIBDIR/plugins/plugin.sh
is_multigraph
if [[ "$1" == "autoconf" ]]; then
if [[ -x /usr/bin/doveadm ]]; then
echo yes
else
echo no
fi
exit 0
fi
if [[ "$1" == "suggest" ]]; then
doveadm stats dump domain|awk 'NR!=1 {print $1}'
exit 0
fi
domain=$(basename $0)
domain=${domain#dovecot_stats_}
if [[ -z $domain ]]; then
exit 1
fi
if [[ "$1" == "config" ]]; then
cat <<EOF
multigraph dovecot_cpu_${domain//\./_}
graph_title Dovecot CPU Usage for $domain
graph_vlabel Seconds
graph_category dovecot
user_cpu.label User CPU
user_cpu.type DERIVE
user_cpu.min 0
user_cpu.cdef user_cpu,1000000,/
sys_cpu.label System CPU
sys_cpu.type DERIVE
sys_cpu.min 0
sys_cpu.cdef sys_cpu,1000000,/
multigraph dovecot_system_${domain//\./_}
graph_title Dovecot System Usage for $domain
graph_category dovecot
min_faults.label Minor page faults
min_faults.type DERIVE
min_faults.min 0
maj_faults.label Major page faults
maj_faults.type DERIVE
maj_faults.min 0
vol_cs.label Voluntary context switches
vol_cs.type DERIVE
vol_cs.min 0
invol_cs.label Involuntary context switches
invol_cs.type DERIVE
invol_cs.min 0
read_count.label read() syscalls
read_count.type DERIVE
read_count.min 0
write_count.label write() syscalls
write_count.type DERIVE
write_count.min 0
multigraph dovecot_mail_${domain//\./_}
graph_title Dovecot Mail Access for $domain
graph_category dovecot
num_logins.label Logins
num_logins.type DERIVE
num_logins.min 0
num_cmds.label Commands
num_cmds.type DERIVE
num_cmds.min 0
mail_lookup_path.label Path Lookups
mail_lookup_path.type DERIVE
mail_lookup_path.min 0
mail_lookup_attr.label Attr lookups
mail_lookup_attr.type DERIVE
mail_lookup_attr.min 0
mail_read_count.label Messages read
mail_read_count.type DERIVE
mail_read_count.min 0
mail_cache_hits.label Cache hits
mail_cache_hits.type DERIVE
mail_cache_hits.min 0
EOF
exit 0
fi
# Fetch data
# Gawk script cadged from http://awk.info/?JanisP
doveadm stats dump domain domain=$domain | gawk -F\\t -v cols="user_cpu sys_cpu min_faults maj_faults vol_cs invol_cs read_count write_count num_logins num_cmds mail_lookup_path mail_lookup_attr mail_read_count mail_cache_hits " -v domain=${domain//\./_} '
BEGIN {
n=split(cols,col," ")
for (i=1; i<=n; i++) s[col[i]]=i
}
NR==1 {
for (f=1;f<=NF; f++)
if ($f in s) c[s[$f]]=f
next
}
{ for (f=1; f<=n; f++) {
if (col[f] == "user_cpu") printf ("\nmultigraph dovecot_cpu_%s\n", domain)
if (col[f] == "min_faults") printf ("\nmultigraph dovecot_system_%s\n", domain)
if (col[f] == "num_logins") printf ("\nmultigraph dovecot_mail_%s\n", domain)
if (col[f] == "user_cpu" || col[f] == "sys_cpu")
printf("%s.value %d\n",col[f],$c[f] * 1000000)
else
printf("%s.value %d\n",col[f],$c[f])
}
}
'
|
