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|
#!/bin/bash
# shutdownasap version #VERSION#
set -e
. #ETCDIR#/shutdownasap.conf
mkdir -p "${tmpDir}"
cd "${tmpDir}"
quiet=false
intentionSet=false
while [ $# -gt 0 ]; do
case "$1" in
'-a')
echo 'none' >"${tmpDir}/intention"
exit
;;
'-q')
quiet=true
;;
'-r')
echo 'reboot' >"${tmpDir}/intention"
intentionSet=true
;;
'-R')
if [ -r "${tmpDir}/intention" ] \
&& grep -qxF 'shutdown' "${tmpDir}/intention" \
&& [ -r "${tmpDir}/pid" ] \
&& [ -d "/proc/$(cat "${tmpDir}/pid")" ]; then
exit
fi
echo 'reboot' >"${tmpDir}/intention"
intentionSet=true
;;
*)
>&2 echo 'usage: shutdownasap [-q] [-a|-r|-R]'
exit 1
;;
esac
shift
done
if ! ${intentionSet}; then
echo 'shutdown' >"${tmpDir}/intention"
fi
[ -r "${tmpDir}/pid" ] && kill -0 "$(cat "${tmpDir}/pid")" && exit
echo $$ > "${tmpDir}/pid"
capture_output() {
local exit_code
local output
output=$(
"$@" 2>&1
) \
|| exit_code=$?
if ! ${quiet}; then
printf '%s\n' "${output}"
fi
return ${exit_code}
}
beforeWatchHook
i=1
while [ ${i} -gt 0 ] || ! capture_output additionalWatchHookSlow
do
if [ ${i} -eq 0 ]
then
i=1
fi
sleep 1
prozesse=$(
ps aux \
| grep -v grep \
| grep -vF 'rsync --daemon --no-detach'
)
nochwarten=false
if [ -d "${waitForDir}" ] && ls -1A "${waitForDir}" | grep -q "."
then
nochwarten=true
if ! ${quiet}; then
echo ".warteauf: "
ls -1A "${waitForDir}"
fi
fi
if users | grep -q "."
then
nochwarten=true
if ! ${quiet}; then
echo -n "users: "
users
fi
fi
errors=$(
[ -d /sys/devices/virtual/block/ ] \
&& find /sys/devices/virtual/block/ \
-name 'array_state' \
-exec grep -HvxF "$(printf '%s\n' 'clean' 'active')" {} + \
, \
-name 'sync_action' \
-exec grep -HxF 'recover' {} + \
, \
-name 'degraded' \
-exec grep -HvxF '0' {} +
) || true
if [ -n "${errors}" ]; then
nochwarten=true
if ! ${quiet}; then
printf 'unclean raid array(s):\n%s\n' "${errors}"
fi
fi
for s in "${!shutDownNoGoProcesses[@]}"
do
if echo "${prozesse}" | grep -q "\(\s\|/\)${shutDownNoGoProcesses[${s}]}\(\$\|\s\)"
then
nochwarten=true
if ! ${quiet}; then
echo "prozess: ${s}"
fi
fi
done
for s in "${!shutDownNoGoFiles[@]}"
do
if [ -e "${shutDownNoGoFiles[${s}]}" ] && echo "${prozesse}" | grep -q "^\S\+\s\+$(cat "${shutDownNoGoFiles[${s}]}")\s"
then
nochwarten=true
if ! ${quiet}; then
echo "datei: ${s}"
fi
fi
done
if ! capture_output additionalWatchHookFast
then
nochwarten=true
if ! ${quiet}; then
echo "additionalWatchHookFast"
fi
fi
if ${nochwarten}
then
if ! ${quiet}; then
echo "warten ..."
fi
i=10
continue
else
if ! ${quiet}; then
echo "noch ${i} Sekunden"
fi
fi
i=$[${i}-1]
done
capture_output beforeShutDownHook
if command -v sudo >/dev/null \
&& [ "$(whoami)" != 'root' ]; then
pre='sudo'
else
pre=''
fi
case "$(head -n1 "${tmpDir}/intention")" in
'reboot')
${pre} /sbin/reboot
;;
'shutdown')
${pre} /sbin/poweroff
;;
'none')
echo 'shutdown was aborted'
;;
*)
printf 'intention "%s" not implemented\n' "$(head -n1 "${tmpDir}/intention")"
exit 1
;;
esac
cd /
rm -rf --one-file-system "${tmpDir}"
|
