mirror of https://github.com/aredn/aredn.git
74 lines
1.6 KiB
Bash
Executable File
74 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
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# Alphabetical except where noted below
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# log needs to start before cron (and maybe others) to be detected for logging.
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serviceslist="log cron dropbear linkled snmpd vtund vtundsrv xinetd"
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start_upgrade_mode() {
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touch /tmp/.upgrade_mode
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# drop the page cache to take pressure of tmps when uploading file
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echo 3 > /proc/sys/vm/drop_caches
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#Kill processes
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for name in $serviceslist
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do
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"/etc/init.d/${name}" stop
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done
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# Switch to a limited crontab list
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/usr/sbin/crond -b -c /etc/crontabs.upgrademode -l 5
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# Some services need to kill the last remaining processes
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killall -9 dropbear
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# Put the LED in "upgrade" mode
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/usr/local/bin/linkled upgrade
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# Purge the /tmp/ filesystem of unneeded files.
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rm -Rf /tmp/node.history /tmp/olsrd.log /tmp/olsrd.watchdog /tmp/snrlog/ /tmp/snr.dat /tmp/web/firmware.list /tmp/.uci
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}
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remove_opkg_lists() {
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rm -Rf /tmp/opkg-lists/
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}
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return_to_operating_mode() {
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killall -9 crond
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# If anything goes wrong after this point return the error code to the calling process
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# as we could be in an unstable state.
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set -e
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# Start up the services we stopped
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for name in $serviceslist
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do
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"/etc/init.d/${name}" start
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done
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rm /tmp/.upgrade_mode
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}
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case $1 in
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"upgrade" )
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start_upgrade_mode
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remove_opkg_lists
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;;
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"opkginstall" )
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start_upgrade_mode
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;;
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"restore" )
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return_to_operating_mode
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;;
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*)
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echo "This program is not intended to be called by users."
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;;
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esac
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