systemd: nspawn: add and populate persistent directory for containers

Signed-off-by: Ian Leonard <[email protected]>

packages/sysutils/systemd/package.mk

@@ -164,6 +164,10 @@ post_makeinstall_target() {
   if [ ${NSPAWN_SUPPORT} != "yes" ]; then
     safe_remove ${INSTALL}/usr/bin/systemd-nspawn
     safe_remove ${INSTALL}/usr/lib/systemd/system/[email protected]
+    safe_remove ${INSTALL}/usr/lib/tmpfiles.d/z_02_systemd-nspawn.conf
+    safe_remove ${INSTALL}/usr/lib/systemd/system/nspawn-symlink.service
+  else
+    find_file_path scripts/nspawn-symlink && cp -PRv ${FOUND_PATH} ${INSTALL}/usr/bin
   fi
 
   # remove unneeded generators
@@ -310,4 +314,7 @@ post_install() {
   enable_service network-base.service
   enable_service systemd-timesyncd.service
   enable_service systemd-timesyncd-setup.service
+  if [ "${NSPAWN_SUPPORT}" = "yes" ]; then
+    enable_service nspawn-symlink.service
+  fi
 }

packages/sysutils/systemd/scripts/nspawn-symlink

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+for entry in $(find /storage/containers -mindepth 1 -maxdepth 1); do
+    ln -s "${entry}" /var/lib/machines/
+done

packages/sysutils/systemd/system.d/nspawn-symlink.service

@@ -0,0 +1,12 @@
+[Unit]
+Description=Make symlinks from /storage/containers to /var/lib/machines
+After=systemd-tmpfiles-setup.service
+Requires=systemd-tmpfiles-setup.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/nspawn-symlink
+RemainAfterExit=yes
+
+[Install]
+WantedBy=basic.target

packages/sysutils/systemd/tmpfiles.d/z_02_systemd-nspawn.conf

@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (C) 2024-present Team LibreELEC (https://libreleec.tv)
+
+d       /storage/containers     0755    root root - -