docker-restic-cron/entrypoint.sh

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#! /bin/bash
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# If first arg is bash, we'll just execute directly
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if [ "$1" == "bash" ]; then
exec "$@"
exit 0
fi
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# If no env variable set, get from command line
if [ "$OPT_ARGUMENTS" == "" ]; then
export OPT_ARGUMENTS="$@"
fi
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# If key id is provied add arg
if [ -e "$GPG_KEY_ID" ]; then
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export OPT_ARGUMENTS="$OPT_ARGUMENTS --encrypt-sign-key=\"$GPG_KEY_ID\""
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fi
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if [ "$SKIP_ON_START" != "true" ]; then
/backup.sh
fi
if [ -n "$CRON_SCHEDULE" ]; then
# Export the environment to a file so it can be loaded from cron
env | sed 's/^\(.*\)=\(.*\)$/export \1="\2"/g' > /env.sh
# Remove some vars we don't want to keep
sed -i '/\(HOSTNAME\|affinity\|SHLVL\|PWD\)/d' /env.sh
# Use bash for cron
echo "SHELL=/bin/bash" > /crontab.conf
# Schedule the backups
echo "$CRON_SCHEDULE source /env.sh && /backup.sh 2>> /cron.log" >> /crontab.conf
echo "Backups scheduled as $CRON_SCHEDULE"
if [ -n "$VERIFY_CRON_SCHEDULE" ]; then
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echo "$VERIFY_CRON_SCHEDULE source /env.sh && /verify.sh 2>> /cron.log" >> /crontab.conf
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echo "Verify scheduled as $VERIFY_CRON_SCHEDULE"
fi
# Add to crontab
crontab /crontab.conf
echo "Starting duplicity cron..."
cron
touch /cron.log /root/duplicity.log
tail -f /cron.log /root/duplicity.log
fi