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#!/sbin/runscript |
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#!/sbin/runscript |
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description='Start/stop the preload daemon' |
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extra_started_commands='dump reload' |
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description_dump='Dump the config and state of the daemon (to the logfile)' |
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description_reload='Reload the daemon' |
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PIDFILE="/var/run/preload.pid" |
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PIDFILE="/var/run/preload.pid" |
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depend() { |
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depend() { |
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depend() {
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} |
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} |
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dump() { |
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dump() { |
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ebegin "Dumping config and state for preload" |
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local pid |
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kill -USR1 $(<${PIDFILE}) |
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pid=$(cat ${PIDFILE}) |
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kill -USR2 $(<${PIDFILE}) |
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eend $? |
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ebegin "Dumping the config and state of preload" |
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if [ -n "${pid}" ]; then |
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kill -USR1 ${pid} |
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kill -USR2 ${pid} |
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fi |
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eend ${?} && \ |
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einfo "These should have been written to ${PRELOAD_LOGFILE:-/var/log/preload.log}" |
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} |
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} |
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reload() { |
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reload() { |
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ebegin "Reloading preload" |
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ebegin "Reloading preload" |
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kill -HUP $(<${PIDFILE}) |
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kill -HUP $(cat ${PIDFILE}) |
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eend $? |
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eend ${?} |
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} |
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} |
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start() { |
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start() { |
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local ionice |
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ebegin "Starting preload" |
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ebegin "Starting preload" |
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#MIN_MEMORY=${MIN_MEMORY:-256} |
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#MIN_MEMORY=${MIN_MEMORY:-256} |
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# Check for > MIN_MEMORY MB |
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# Check for > MIN_MEMORY MB |
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#free -m | awk '/Mem:/ {exit ($2 >= ('"$MIN_MEMORY"'))?0:1}' || exit 0 |
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#free -m | awk '/Mem:/ {exit ($2 >= ('"$MIN_MEMORY"'))?0:1}' || exit 0 |
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# IMPORTANT: Let ssd do the backgrounding so we immediatly get a valid |
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# First try to start with ionice; if that fails, try without. |
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# pid file in the next step (ionice) |
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for ionice in "ionice ${IONICE_OPTS:--c3}" ''; do |
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start-stop-daemon --start --quiet --background \ |
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# Avoid 'ionice not found' errors |
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--make-pidfile --pidfile ${PIDFILE} \ |
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${ionice:-true} >/dev/null 2>&1 || continue |
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--exec /usr/sbin/preload -- \ |
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-l ${PRELOAD_LOGFILE:-/var/log/preload.log} -V ${PRELOAD_VERBOSITY:-1} \ |
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${ionice} start-stop-daemon --start --quiet --background \ |
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-n ${PRELOAD_NICE:-15} -s ${PRELOAD_STATEFILE:-""} ${PRELOAD_OPTS} -f |
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--make-pidfile --pidfile ${PIDFILE} \ |
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--exec /usr/sbin/preload -- \ |
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IONICE=$(which ionice) |
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-l ${PRELOAD_LOGFILE:-/var/log/preload.log} \ |
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if [ -x "$IONICE" ]; then |
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-V ${PRELOAD_VERBOSITY:-1} \ |
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IONICE_OPTS=${IONICE_OPTS:--c3} |
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-n ${PRELOAD_NICE:-15} \ |
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$IONICE ${IONICE_OPTS} -p$(<${PIDFILE}) |
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-s ${PRELOAD_STATEFILE:-""} \ |
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fi |
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${PRELOAD_OPTS} -f \ |
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eend $? |
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&& break |
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done |
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eend ${?} |
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} |
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} |
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stop() { |
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stop() { |
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ebegin "Stopping preload (this may take while)" |
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ebegin "Stopping preload (this may take a while)" |
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start-stop-daemon --stop --retry 120 --quiet --pidfile ${PIDFILE} |
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start-stop-daemon --stop --retry 120 --quiet --pidfile ${PIDFILE} |
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eend $? |
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eend ${?} |
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} |
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} |
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