52 lines
1.8 KiB
Plaintext
52 lines
1.8 KiB
Plaintext
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#!/bin/bash
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#
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# .---. . .
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# | | |
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# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
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# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
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# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
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#
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# Freedom in the Cloud
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#
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# Watchdog functions to keep systems running even if they crash
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# systemd itself may be able to handle this to a large extent
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#
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# License
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# =======
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#
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# Copyright (C) 2014-2016 Bob Mottram <bob@robotics.uk.to>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# name of a script which keeps running processes going even if they crash
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WATCHDOG_SCRIPT_NAME="keepon"
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function install_watchdog_script {
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if grep -Fxq "install_watchdog_script" $COMPLETION_FILE; then
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return
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fi
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echo '#!/bin/bash' > /usr/bin/$WATCHDOG_SCRIPT_NAME
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echo 'LOGFILE=/var/log/keepon.log' >> /usr/bin/$WATCHDOG_SCRIPT_NAME
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echo 'CURRENT_DATE=$(date)' >> /usr/bin/$WATCHDOG_SCRIPT_NAME
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# application specific stuff is added later
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chmod +x /usr/bin/$WATCHDOG_SCRIPT_NAME
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function_check cron_add_mins
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cron_add_mins 1 '/usr/bin/$WATCHDOG_SCRIPT_NAME'
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echo 'install_watchdog_script' >> $COMPLETION_FILE
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}
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# NOTE: deliberately no exit 0
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