arsam
e82c34eaf8
Import the existing local project snapshot. This commit organizes existing files; it does not represent newly developed functionality.
40 lines
1.3 KiB
Bash
40 lines
1.3 KiB
Bash
#!/bin/sh
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# Teknav nightly Postgres backup.
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# Loops forever inside the postgres-backup container; uses a 24h sleep so the
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# host cron doesn't have to know anything. Runs once at startup, then every 24h.
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#
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# Output: /backups/teknav-YYYYMMDD-HHMMSS.sql.gz
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# Retention: keep 14 days; older files auto-deleted.
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set -eu
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BACKUP_DIR="${BACKUP_DIR:-/backups}"
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RETENTION_DAYS="${BACKUP_RETENTION_DAYS:-14}"
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INTERVAL_SECONDS="${BACKUP_INTERVAL_SECONDS:-86400}" # 24h
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mkdir -p "$BACKUP_DIR"
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run_once() {
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ts="$(date -u +%Y%m%d-%H%M%S)"
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out="${BACKUP_DIR}/teknav-${ts}.sql.gz"
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echo "[pg-backup] dumping → ${out}"
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PGPASSWORD="${POSTGRES_PASSWORD}" pg_dump \
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--host=postgres \
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--username="${POSTGRES_USER}" \
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--dbname="${POSTGRES_DB}" \
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--no-owner --no-privileges \
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--format=plain \
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| gzip -9 > "$out.tmp" \
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&& mv "$out.tmp" "$out"
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echo "[pg-backup] done → $(du -h "$out" | cut -f1)"
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echo "[pg-backup] pruning files older than ${RETENTION_DAYS} days"
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find "$BACKUP_DIR" -maxdepth 1 -name 'teknav-*.sql.gz' -type f -mtime +"$RETENTION_DAYS" -print -delete || true
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}
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while true; do
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run_once || echo "[pg-backup] dump failed; will retry next cycle"
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echo "[pg-backup] sleeping ${INTERVAL_SECONDS}s"
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sleep "$INTERVAL_SECONDS"
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done
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