58 lines
1.1 KiB
Bash
58 lines
1.1 KiB
Bash
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#!/bin/bash
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set -uo pipefail
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required_vars=(
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AWS_ACCESS_KEY_ID
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AWS_SECRET_ACCESS_KEY
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RESTIC_REPOSITORY
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RESTIC_PASSWORD
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)
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missing_vars=()
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for var_name in "${required_vars[@]}"; do
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if [ -z "${!var_name:-}" ]; then
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missing_vars+=("$var_name")
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fi
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done
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if [ "${#missing_vars[@]}" -gt 0 ]; then
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echo "Restic backups disabled; missing ${missing_vars[*]}." >&2
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exec sleep infinity
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fi
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BACKUP_INTERVAL_SECONDS="${RESTIC_BACKUP_INTERVAL_SECONDS:-3600}"
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BACKUP_PATHS=("/data")
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KEEP_HOURLY=24
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KEEP_DAILY=7
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KEEP_WEEKLY=4
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KEEP_MONTHLY=6
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run_backup() {
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echo "Starting restic backup..."
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restic backup "${BACKUP_PATHS[@]}" || return $?
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echo "Pruning old backups..."
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restic forget \
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--keep-hourly "$KEEP_HOURLY" \
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--keep-daily "$KEEP_DAILY" \
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--keep-weekly "$KEEP_WEEKLY" \
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--keep-monthly "$KEEP_MONTHLY" \
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--prune || return $?
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echo "Checking repository..."
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restic check || return $?
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echo "Backup completed successfully."
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}
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while true; do
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if run_backup; then
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:
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else
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status=$?
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echo "Restic backup failed with status $status." >&2
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fi
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sleep "$BACKUP_INTERVAL_SECONDS"
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done
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