fs version improvments

2026-07-13 11:23:39 -05:00
parent 7d3d6c2216
commit 581a827831
6 changed files with 95 additions and 62 deletions
@@ -0,0 +1,70 @@
+#!/bin/bash
+set -e
+
+RED='\e[31m'
+GREEN='\e[32m'
+YELLOW='\e[33m'
+RESET='\e[0m'
+
+IMG_FILE="PBX-Test.img"
+
+ROOT_LV_PATH="/dev/mapper/PBX--vg-root"
+MOUNT_PATH="/mnt/debian"
+VGROUP="PBX-vg"
+
+main() {
+  root_check
+
+  trap 'echo "Status Code: $?"; cleanup;' EXIT
+
+  losetup -fP $IMG_FILE
+  LOOP_DEVICE=$(losetup -l | grep $IMG_FILE | cut -d ' ' -f1)
+  echo $LOOP_DEVICE
+
+  vgchange -a y $VGROUP
+
+  mkdir -p $MOUNT_PATH
+
+  mount $ROOT_LV_PATH $MOUNT_PATH
+  mount "${LOOP_DEVICE}p2" "$MOUNT_PATH/boot"
+  mount "${LOOP_DEVICE}p1" "$MOUNT_PATH/boot/efi"
+
+  KERNEL_VERSION=$(get_kernel_version)
+
+  tar -I zstd -c -C "${MOUNT_PATH}" --warning=no-file-ignored . | pv >"PBX-Image-${KERNEL_VERSION}.tar.zst"
+}
+
+root_check() {
+  if [[ $EUID -ne 0 ]]; then
+    echo -e "${RED}You must be root to do this." 1>&2
+    exit 77
+  fi
+}
+
+get_kernel_version() {
+  local kernel_file=$(ls -1 "$MOUNT_PATH/boot/vmlinuz-"* 2>/dev/null | head -n1)
+  if [[ -n "$kernel_file" ]]; then
+    basename "$kernel_file" | sed 's/vmlinuz-//'
+  else
+    echo "unknown"
+  fi
+}
+
+cleanup() {
+  if [[ $NO_CLEANUP = true ]]; then
+    echo -e "${YELLOW}No cleanup specified. Make sure to manually clean mounts.${RESET}" 1>&2
+    exit 100
+  fi
+
+  echo "Cleaning Mounts"
+
+  umount -lf "${MOUNT_PATH}/boot/efi" 2>/dev/null || true
+  umount -lf "${MOUNT_PATH}/boot" 2>/dev/null || true
+  umount -lf "${MOUNT_PATH}" 2>/dev/null || true
+
+  vgchange -a n $VGROUP
+  echo -e "${GREEN}Clean.${RESET}"
+  losetup -D
+}
+
+main