48 lines
1.2 KiB
Bash
48 lines
1.2 KiB
Bash
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#!/usr/bin/env bash
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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ROOT="$(dirname "$SCRIPT_DIR")"
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COMPOSE="$ROOT/compose/docker-compose.yml"
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ENV="$ROOT/.env"
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BACKUP_DIR="$ROOT/backups"
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MAX_BACKUPS=2
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# shellcheck source=/dev/null
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source "$ENV"
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TIMESTAMP=$(date +"%Y%m%d_%H%M%S")
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TARGET="$BACKUP_DIR/backup_$TIMESTAMP"
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mkdir -p "$TARGET"
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echo "[backup] Starte Backup → $TARGET"
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# PostgreSQL dump
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echo "[backup] Datenbank-Dump..."
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docker compose -f "$COMPOSE" exec -T postgres \
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pg_dump -U "$POSTGRES_USER" "$POSTGRES_DB" \
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> "$TARGET/postgres.sql"
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# n8n data
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echo "[backup] n8n Datendirectory..."
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tar -czf "$TARGET/n8n-data.tar.gz" -C "$ROOT/data" n8n
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# Compose-Konfiguration
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echo "[backup] Compose + .env..."
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cp "$COMPOSE" "$TARGET/docker-compose.yml"
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cp "$ENV" "$TARGET/.env"
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echo "[backup] Backup abgeschlossen: $TARGET"
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# Retention: nur die letzten MAX_BACKUPS behalten
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EXISTING=$(ls -dt "$BACKUP_DIR"/backup_* 2>/dev/null)
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COUNT=$(echo "$EXISTING" | wc -l)
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if [ "$COUNT" -gt "$MAX_BACKUPS" ]; then
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TO_DELETE=$(echo "$EXISTING" | tail -n +"$((MAX_BACKUPS + 1))")
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echo "[backup] Lösche alte Backups:"
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echo "$TO_DELETE"
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echo "$TO_DELETE" | xargs rm -rf
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fi
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echo "[backup] Fertig. Aktuelle Backups:"
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ls -lht "$BACKUP_DIR"
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