mirror of
https://github.com/fradelg/docker-mysql-cron-backup.git
synced 2024-11-01 08:31:45 +01:00
41 lines
No EOL
1.2 KiB
Bash
Executable file
41 lines
No EOL
1.2 KiB
Bash
Executable file
#!/bin/bash
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tail -F /mysql_backup.log &
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if [ "${INIT_BACKUP:-0}" -gt "0" ]; then
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echo "=> Create a backup on the startup"
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/backup.sh
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elif [ -n "${INIT_RESTORE_LATEST}" ]; then
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echo "=> Restore latest backup"
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until nc -z "$MYSQL_HOST" "$MYSQL_PORT"
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do
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echo "waiting database container..."
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sleep 1
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done
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# Needed to exclude the 'latest.<database>.sql.gz' file, consider only filenames starting with number
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# Only data-tagged backups, eg. '202212250457.database.sql.gz', must be trapped by the regex
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find /backup -maxdepth 1 -name '[0-9]*.*.sql.gz' | sort | tail -1 | xargs /restore.sh
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fi
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function final_backup {
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echo "=> Captured trap for final backup"
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DATE=$(date +%Y%m%d%H%M)
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echo "=> Requested last backup at $(date "+%Y-%m-%d %H:%M:%S")"
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exec /backup.sh
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exit 0
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}
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if [ -n "${EXIT_BACKUP}" ]; then
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echo "=> Listening on container shutdown gracefully to make last backup before close"
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trap final_backup SIGHUP SIGINT SIGTERM
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fi
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echo "${CRON_TIME} /backup.sh >> /mysql_backup.log 2>&1" > /tmp/crontab.conf
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crontab /tmp/crontab.conf
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echo "=> Running cron task manager in foreground"
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crond -f -l 8 -L /mysql_backup.log &
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echo "Listening on crond, and wait..."
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tail -f /dev/null & wait $!
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echo "Script is shutted down." |