ci: refactor backup workflow

scripts/backup-servers/backup-docker-volumes.sh

@@ -0,0 +1,133 @@
+#!/bin/bash
+# Docker Volume Backup Script
+# Wird remote auf dem Server ausgeführt
+# Sichert alle Docker Volumes automatisch
+
+set -e
+
+# Parameter
+BACKUP_DATE="${BACKUP_DATE:-$(date +%Y%m%d_%H%M%S)}"
+BACKUP_BASE_DIR="$HOME/backups"
+BACKUP_DIR="$BACKUP_BASE_DIR/$BACKUP_DATE"
+EXCLUDE_VOLUMES="${EXCLUDE_VOLUMES:-}"  # Komma-separierte Liste von Volumes die übersprungen werden sollen
+
+echo "========================================"
+echo "Docker Volume Backup"
+echo "========================================"
+echo "Backup directory: $BACKUP_DIR"
+echo "Date: $(date)"
+echo "Server: ${SERVER_NAME:-unknown}"
+echo ""
+
+# Backup-Verzeichnis erstellen
+echo "Creating backup directory: $BACKUP_DIR"
+mkdir -p "$BACKUP_DIR"
+
+echo "Discovering Docker volumes..."
+VOLUMES=$(docker volume ls --format '{{.Name}}')
+VOLUME_COUNT=$(echo "$VOLUMES" | wc -l)
+
+if [ -z "$VOLUMES" ]; then
+  echo "⚠ No Docker volumes found!"
+  exit 0
+fi
+
+echo "Found $VOLUME_COUNT volumes to backup"
+if [ -n "$EXCLUDE_VOLUMES" ]; then
+  echo "Excluding: $EXCLUDE_VOLUMES"
+fi
+echo ""
+
+# Funktion zum Prüfen ob Volume ausgeschlossen werden soll
+is_excluded() {
+  local VOLUME_NAME=$1
+  if [ -z "$EXCLUDE_VOLUMES" ]; then
+    return 1  # Nicht ausgeschlossen
+  fi
+
+  IFS=',' read -ra EXCLUDED <<< "$EXCLUDE_VOLUMES"
+  for excluded in "${EXCLUDED[@]}"; do
+    if [[ "$VOLUME_NAME" == "$excluded" ]]; then
+      return 0  # Ausgeschlossen
+    fi
+  done
+  return 1  # Nicht ausgeschlossen
+}
+
+# Funktion zum Backup eines Volumes
+backup_volume() {
+  local VOLUME_NAME=$1
+  local SAFE_NAME=$(echo "$VOLUME_NAME" | tr '/' '_' | tr ':' '_')
+
+  # Prüfen ob ausgeschlossen
+  if is_excluded "$VOLUME_NAME"; then
+    echo "⊘ Skipping $VOLUME_NAME (excluded)"
+    return 0
+  fi
+
+  echo "Backing up: $VOLUME_NAME..."
+
+  if docker run --rm \
+    -v "$VOLUME_NAME":/source:ro \
+    -v "$BACKUP_DIR":/backup \
+    alpine tar czf "/backup/${SAFE_NAME}.tar.gz" -C /source . 2>/dev/null; then
+
+    SIZE=$(du -h "$BACKUP_DIR/${SAFE_NAME}.tar.gz" | cut -f1)
+    echo "✓ $VOLUME_NAME backed up ($SIZE)"
+  else
+    echo "✗ Failed to backup $VOLUME_NAME"
+    return 1
+  fi
+}
+
+# Alle Volumes sichern
+SUCCESS_COUNT=0
+FAILED_COUNT=0
+
+while IFS= read -r volume; do
+  if backup_volume "$volume"; then
+    ((SUCCESS_COUNT++)) || true
+  else
+    ((FAILED_COUNT++)) || true
+  fi
+  echo ""
+done <<< "$VOLUMES"
+
+# Create manifest
+echo "========================================"
+echo "Creating backup manifest..."
+cd "$BACKUP_DIR"
+cat > manifest.txt << EOF
+Backup created: $(date)
+Hostname: $(hostname)
+Server: ${SERVER_NAME:-unknown}
+Total volumes: $VOLUME_COUNT
+Successful: $SUCCESS_COUNT
+Failed: $FAILED_COUNT
+
+Files:
+$(ls -lh *.tar.gz 2>/dev/null || echo "No backup files created")
+
+Checksums (SHA256):
+$(sha256sum *.tar.gz 2>/dev/null || echo "No files to checksum")
+EOF
+
+echo "Backup manifest:"
+cat manifest.txt
+
+echo ""
+echo "Total backup size: $(du -sh $BACKUP_DIR | cut -f1)"
+echo "========================================"
+echo "Summary:"
+echo "  Total volumes: $VOLUME_COUNT"
+echo "  Successful: $SUCCESS_COUNT"
+echo "  Failed: $FAILED_COUNT"
+echo "========================================"
+
+if [ $FAILED_COUNT -gt 0 ]; then
+  echo "⚠ Backup completed with errors!"
+  exit 1
+else
+  echo "✓ Backup completed successfully!"
+  exit 0
+fi