Install Volumio integration during updates

README.md

@@ -130,6 +130,12 @@ Kiosk-X-Server `tty1` exklusiv verwendet. Ohne die Maskierung können Getty und
 Xorg beim Booten um dasselbe virtuelle Terminal konkurrieren und eine
 Kiosk-Neustartschleife auslösen.
 
+Nach dieser einmaligen Grundinstallation bringt der privilegierte
+Volumio-Online-Updater bei jedem erfolgreichen Phoenix-Update auch die
+mitgelieferten systemd-Units, den Update-Helfer und die sudo-Regel aus. Fehlen
+diese Integrationsdateien in einem Update, wird es vor dem Austausch des
+laufenden Projektbaums abgelehnt.
+
 Um den lokalen Login-Prompt auf `tty1` wiederherzustellen, zuerst den Kiosk
 stoppen und Getty anschließend wieder freigeben:
 

scripts/restart_phoenix_services.sh

@@ -209,6 +209,46 @@ build_volumio_candidate() {
   echo "staged Volumio build completed"
 }
 
+validate_volumio_integration_candidate() {
+  local phoenix_dir="${1:-$STAGE_DIR}"
+  local required_path
+  local required_paths=(
+    "scripts/install_volumio_services.sh"
+    "scripts/restart_phoenix_services.sh"
+    "etc/systemd/system/analyzer-kiosk-volumio.service"
+    "etc/systemd/system/analyzer-web-volumio.service"
+    "etc/systemd/system/phoenix-update-volumio.service"
+    "etc/sudoers.d/phoenix-update-volumio"
+  )
+
+  for required_path in "${required_paths[@]}"; do
+    if [ ! -f "$phoenix_dir/$required_path" ]; then
+      echo "staged Volumio integration file missing: $phoenix_dir/$required_path" >&2
+      return 1
+    fi
+  done
+  bash -n \
+    "$phoenix_dir/scripts/install_volumio_services.sh" \
+    "$phoenix_dir/scripts/restart_phoenix_services.sh"
+}
+
+install_volumio_integration() {
+  local phoenix_dir="${1:-$PHOENIX_ROOT}"
+  local installer="$phoenix_dir/scripts/install_volumio_services.sh"
+
+  if [ "$(id -u)" -ne 0 ]; then
+    echo "Volumio integration update requires root" >&2
+    return 1
+  fi
+  if [ ! -f "$installer" ]; then
+    echo "Volumio integration installer missing: $installer" >&2
+    return 1
+  fi
+
+  echo "installing Volumio system integration from $phoenix_dir"
+  /bin/bash "$installer"
+}
+
 start_all_services() {
   if is_volumio_install; then
     restart_if_present analyzer-web-volumio.service
@@ -248,6 +288,12 @@ rollback_to_backup() {
     return 1
   fi
   mv "$BACKUP_DIR" "$PHOENIX_ROOT"
+  if is_volumio_install && [ -f "$PHOENIX_ROOT/scripts/install_volumio_services.sh" ]; then
+    if ! install_volumio_integration "$PHOENIX_ROOT"; then
+      echo "backup files were restored but their Volumio integration could not be installed" >&2
+      return 1
+    fi
+  fi
   if ! wait_for_candidate_health "$PHOENIX_ROOT" "${PHOENIX_ROLLBACK_HEALTH_ATTEMPTS:-120}" 1; then
     echo "backup rollback restored files but Phoenix health did not recover" >&2
     return 1
@@ -289,6 +335,7 @@ if [ ! -f "$STAGE_DIR/Cargo.toml" ] || [ ! -d "$STAGE_DIR/src" ] || [ ! -d "$STA
 fi
 
 if is_volumio_install; then
+  validate_volumio_integration_candidate "$STAGE_DIR"
   build_volumio_candidate "$STAGE_DIR"
 fi
 
@@ -303,6 +350,17 @@ mv "$STAGE_DIR" "$PHOENIX_ROOT"
 health_attempts=45
 health_delay=1
 
+if is_volumio_install; then
+  if ! install_volumio_integration "$PHOENIX_ROOT"; then
+    if ! rollback_to_backup; then
+      echo "new Volumio integration failed and rollback failed" >&2
+      exit 1
+    fi
+    echo "new Volumio integration failed; rolled back to backup" >&2
+    exit 1
+  fi
+fi
+
 if ! wait_for_candidate_health "$PHOENIX_ROOT" "$health_attempts" "$health_delay"; then
   if ! rollback_to_backup; then
     echo "new Phoenix version failed health check and rollback failed" >&2
@@ -312,11 +370,4 @@ if ! wait_for_candidate_health "$PHOENIX_ROOT" "$health_attempts" "$health_delay
   exit 1
 fi
 
-if is_volumio_install && [ "$(id -u)" -eq 0 ] && [ -f "$PHOENIX_ROOT/scripts/restart_phoenix_services.sh" ]; then
-  install -o root -g root -m 0755 \
-    "$PHOENIX_ROOT/scripts/restart_phoenix_services.sh" \
-    /usr/local/libexec/phoenix/restart_phoenix_services.sh
-  echo "Volumio privileged update helper refreshed"
-fi
-
 echo "=== $(date): restart_phoenix_services.sh OK ==="