paspo
293814277d
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133 lines
3.0 KiB
Bash
Executable File
133 lines
3.0 KiB
Bash
Executable File
#!/bin/sh
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STATUS_FILE=/last_backup_status.txt
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MARIADB_HOST=${MARIADB_HOST:-db}
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MARIADB_USER=${MARIADB_USER:-root}
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MARIADB_PORT=${MARIADB_PORT:-3306}
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MARIADB_PASSWORD=${MARIADB_PASSWORD:-1StrongPassword}
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MARIADB_DATABASE=${MARIADB_DATABASE:-my-db}
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COMPRESSION=${COMPRESSION:-gzip}
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RCLONE_CONFIG_FILE=${RCLONE_CONFIG_FILE:-/config/rclone.conf}
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RCLONE_REMOTE=${RCLONE_REMOTE:-myremote}
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RCLONE_PATH=${RCLONE_PATH:-/backups}
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KEEP_SUCCESFUL_DAYS=${KEEP_SUCCESFUL_DAYS:-30}
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TMPDIR=$(mktemp -d)
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DEST_FILENAME=$(date +%Y-%m-%d_%H-%M-%S).sql
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BACKUP_FILE="${TMPDIR}/${DEST_FILENAME}"
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RCLONE_DEST_PATH="${RCLONE_PATH}/$(date +%Y-%m-%d)"
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trap cleanup EXIT
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cleanup() {
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rm -rf "${TMPDIR}"
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echo "Removed temporary file"
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}
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trap interrupt INT
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interrupt() {
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echo "Backup interrupted"
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echo "interrupted" > "${STATUS_FILE}"
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exit 1
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}
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if [ ! -f "${RCLONE_CONFIG_FILE}" ]; then
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echo "Rclone config file not found"
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exit 1
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fi
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echo "Backup started"
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dump_failed() {
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echo "Database dump failed"
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echo "dump failed" > "${STATUS_FILE}"
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exit 1
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}
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mkdir_failed() {
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echo "Backup mkdir failed"
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echo "mkdir failed" > "${STATUS_FILE}"
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exit 1
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}
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copy_failed() {
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echo "Backup copy failed"
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echo "copy failed" > "${STATUS_FILE}"
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exit 1
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}
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delete_failed() {
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echo "Cleanup delete failed"
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exit 1
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}
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COMPRESSOR="cat"
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if [ "${COMPRESSION}" = "gzip" ]; then
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COMPRESSOR="gzip"
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BACKUP_FILE="${BACKUP_FILE}.gz"
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DEST_FILENAME="${DEST_FILENAME}.gz"
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fi
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if [ "${COMPRESSION}" = "bzip2" ]; then
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COMPRESSOR="bzip2"
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BACKUP_FILE="${BACKUP_FILE}.bz2"
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DEST_FILENAME="${DEST_FILENAME}.bz2"
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fi
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if [ "${COMPRESSION}" = "xz" ]; then
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COMPRESSOR="xz"
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BACKUP_FILE="${BACKUP_FILE}.xz"
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DEST_FILENAME="${DEST_FILENAME}.xz"
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fi
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if [ "${COMPRESSION}" = "zstd" ]; then
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COMPRESSOR="zstd"
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BACKUP_FILE="${BACKUP_FILE}.zst"
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DEST_FILENAME="${DEST_FILENAME}.zst"
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fi
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echo "Dumping database into: ${BACKUP_FILE}"
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mariadb-dump \
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--add-drop-table \
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--add-drop-trigger \
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--add-locks \
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--disable-keys \
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--lock-all-tables \
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--quick \
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--triggers \
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--tz-utc -v \
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--host="${MARIADB_HOST}" \
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--port="${MARIADB_PORT}" \
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--user="${MARIADB_USER}" \
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--password="${MARIADB_PASSWORD}" \
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--databases "${MARIADB_DATABASE}" | "${COMPRESSOR}" > "${BACKUP_FILE}" || dump_failed
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echo "Copying backup to remote"
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rclone \
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-v --config "${RCLONE_CONFIG_FILE}" \
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mkdir "${RCLONE_REMOTE}:${RCLONE_DEST_PATH}" || mkdir_failed
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rclone \
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-v --config "${RCLONE_CONFIG_FILE}" \
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copy "${BACKUP_FILE}" "${RCLONE_REMOTE}:${RCLONE_DEST_PATH}" || copy_failed
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echo "success" > "${STATUS_FILE}"
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echo "Backup completed"
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echo "Cleaning up old backups"
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rclone \
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-v --config "${RCLONE_CONFIG_FILE}" \
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lsd "${RCLONE_REMOTE}:${RCLONE_PATH}" | \
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awk '{print $5}' | sort -r | tail -n +$((KEEP_SUCCESFUL_DAYS + 1)) \
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| while read -r line; do
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echo "Deleting backup: ${line}"
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rclone \
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-v --config "${RCLONE_CONFIG_FILE}" \
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purge "${RCLONE_REMOTE}:${RCLONE_PATH}/${line}" || delete_failed
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done
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echo "Cleanup completed"
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