54 lines
1.4 KiB
Bash
Executable File
54 lines
1.4 KiB
Bash
Executable File
#! /bin/bash
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# If first arg is bash, we'll just execute directly
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if [ "$1" == "bash" ]; then
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exec "$@"
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exit 0
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fi
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# If no env variable set, get from command line
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if [ "$OPT_ARGUMENTS" == "" ]; then
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export OPT_ARGUMENTS="$*"
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fi
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# Init the repo
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restic -r "$BACKUP_DEST" snapshots || restic -r "$BACKUP_DEST" init
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# If set to restore on start, restore if the data volume is empty
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if [ "$RESTORE_ON_EMPTY_START" == "true" ] && [ -z "$(ls -A "$PATH_TO_BACKUP")" ]; then
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/cron-exec.sh /restore.sh latest
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fi
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# Unless explicitly skipping, take a backup on startup
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if [ "$SKIP_ON_START" != "true" ]; then
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/cron-exec.sh /backup.sh
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fi
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if [ -n "$CRON_SCHEDULE" ]; then
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# Export the environment to a file so it can be loaded from cron
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env | sed 's/^\(.*\)=\(.*\)$/export \1="\2"/g' > /env.sh
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# Remove some vars we don't want to keep
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sed -i '/\(HOSTNAME\|affinity\|SHLVL\|PWD\)/d' /env.sh
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# Use bash for cron
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echo "SHELL=/bin/bash" > /crontab.conf
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# Schedule the backups
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echo "$CRON_SCHEDULE /cron-exec.sh /backup.sh" >> /crontab.conf
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echo "Backups scheduled as $CRON_SCHEDULE"
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if [ -n "$VERIFY_CRON_SCHEDULE" ]; then
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echo "$VERIFY_CRON_SCHEDULE /cron-exec.sh /verify.sh" >> /crontab.conf
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echo "Verify scheduled as $VERIFY_CRON_SCHEDULE"
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fi
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# Add to crontab
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crontab /crontab.conf
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echo "Starting restic cron..."
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cron
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touch /cron.log
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tail -f /cron.log
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fi
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