d2ce07e227
The rc-sstat script is written to display status of s6 services and run rc-status to display all services status. This currently only works on Linux.
141 lines
3.8 KiB
Plaintext
141 lines
3.8 KiB
Plaintext
#!@SHELL@
|
|
|
|
# Define variables
|
|
scandir="/run/openrc/s6-scan"
|
|
statfile=/dev/shm/s6-svstat.${USER}
|
|
|
|
color_red='\E[01;31m'
|
|
color_green='\E[32m'
|
|
color_yellow='\E[01;33m'
|
|
|
|
# Time Modules
|
|
uptimeModules() {
|
|
# Given a single integer argument representing seconds of uptime...
|
|
# convert uptime to a friendly human readable string: '2d 16h 58m 46s'
|
|
# define a variable to keep track of the longest length uptime string
|
|
uSec=${1:-0}
|
|
|
|
uDay=$(( $uSec / 86400 ))
|
|
uSec=$(( $uSec % 86400 ))
|
|
uHour=$(( $uSec / 3600 ))
|
|
uSec=$(( $uSec % 3600 ))
|
|
uMin=$(( $uSec / 60 ))
|
|
uSec=$(( $uSec % 60 ))
|
|
|
|
[ $uDay -ne 0 ] && pDay="${uDay}d " || pDay=""
|
|
[ $uHour -ne 0 ] && pHour="${uHour}h " || pHour=""
|
|
[ $uMin -ne 0 ] && pMin="${uMin}m " || pMin=""
|
|
[ $uSec -ne 0 ] && pSec="${uSec}s " || pSec=""
|
|
|
|
parsedUptime="$( echo ${pDay}${pHour}${pMin}${pSec} | sed 's#[ \t]*$##' )"
|
|
uCharCount=${#parsedUptime}
|
|
}
|
|
|
|
# Make sure we are running as root
|
|
if [ $(id -u) != 0 ]; then
|
|
printf "This command must be run as root\n"
|
|
exit 1
|
|
fi
|
|
|
|
# Make sure scandir exists
|
|
if [ ! -d $scandir ]; then
|
|
printf "%s\n" "$scandir does not exist"
|
|
exit 1
|
|
fi
|
|
|
|
# Make sure s6-svscan is running
|
|
if ! pgrep s6-svscan >/dev/null ; then
|
|
printf "s6-svscan is not running\n"
|
|
exit 1
|
|
fi
|
|
|
|
# If TERM is undefined (launching sstat through an ssh command) then make it vt100
|
|
if [ -z $TERM -o $TERM = "dumb" ]; then
|
|
export TERM=vt100
|
|
fi
|
|
|
|
# Gather list of candidate services s6-supervise may be supervising
|
|
# filter for folders and symlinks at /run/openrc/s6-scan/* ommiting output starting with '.'
|
|
services="$(find $scandir -maxdepth 1 -mindepth 1 \( -type d -or -type l \) | awk -F'/' '{ if ( $NF !~ "^\\." ) print $NF}')"
|
|
if [ -z "$services" ]; then
|
|
printf "s6 found no services configured for supervision\n"
|
|
exit 1
|
|
fi
|
|
|
|
# Gather status for each service from s6-svstat
|
|
# write to tmp file in memory for non I/O bound repeatative access
|
|
rm -f $statfile 2>/dev/null
|
|
for service in $services ; do
|
|
echo "$service $(s6-svstat ${scandir}/${service})" >> $statfile
|
|
done
|
|
|
|
# Define longest string from parsed uptime (default to 7 to match string length of 'Up Time')
|
|
timeStringLength=7
|
|
for uptime in $(awk '$2 == "up" {print $5}' $statfile | sort -run)
|
|
do
|
|
uptimeModules $uptime
|
|
[ ${uCharCount} -gt $timeStringLength ] && timeStringLength=$uCharCount
|
|
done
|
|
|
|
|
|
# Print the status header like so...
|
|
# Service Name State PID Up Time Start Time
|
|
#---------------------------- ----- ----- -------------- -------------------
|
|
printf "\n"
|
|
printf "%28s %5s %5s %${timeStringLength}s %19s\n" "Service Name" "State" "PID" "Up Time" "Start Time"
|
|
for dashes in 28 5 5 $timeStringLength 19 ; do
|
|
printf "%0.s-" $(seq 1 $dashes) ; echo -n ' '
|
|
done && printf "\n"
|
|
|
|
|
|
# sshd up (pid 26300) 80373 seconds
|
|
cat $statfile | \
|
|
while read line
|
|
do
|
|
set $line
|
|
|
|
service=$1
|
|
state=$2
|
|
pid=${4/)/}
|
|
time=$5
|
|
|
|
# call function to convert time in seconds and define additional variables
|
|
uptimeModules $time
|
|
|
|
if [ "$state" = up ]; then
|
|
if [ $time -lt 30 ]; then
|
|
# uptime < 30 seconds, color the whole line yellow
|
|
echo -en "$color_yellow"
|
|
# 1st 4 columns are printed with printf for space padding
|
|
printf "%28s %5s %5s %${timeStringLength}s" $service $state $pid "$parsedUptime"
|
|
# 4th column is output from date -d
|
|
echo -e " $(date -d "${time} seconds ago" "+%F %T")"
|
|
# reset terminal colors
|
|
tput sgr0
|
|
else
|
|
printf "%28s" $service
|
|
# uptime > 30 seconds, color just the "state" value green
|
|
echo -en "$color_green"
|
|
printf " %5s" $state
|
|
# reset terminal colors
|
|
tput sgr0
|
|
printf " %5s" $pid
|
|
printf " %${timeStringLength}s" "$parsedUptime"
|
|
echo -e " $(date -d "${time} seconds ago" "+%F %T")"
|
|
fi
|
|
else
|
|
printf "%28s" $service
|
|
echo -en "$color_red"
|
|
printf " %5s" $state
|
|
tput sgr0
|
|
echo ""
|
|
fi
|
|
done
|
|
|
|
# Cleanup
|
|
rm -f $statfile 2>/dev/null
|
|
|
|
printf "\n\n"
|
|
|
|
rc-status
|