PVE-Privilege-Converter (#4906)

This commit is contained in:
CanbiZ
2025-06-02 10:46:00 +02:00
committed by GitHub
parent f2bf6c9a6f
commit 6650e0bdd8
2 changed files with 244 additions and 0 deletions

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#!/usr/bin/env bash
# Copyright (c) 2021-2025 community-scripts ORG
# Author: MickLesk
# Adapted from onethree7 (https://github.com/onethree7/proxmox-lxc-privilege-converter)
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
if ! command -v curl >/dev/null 2>&1; then
printf "\r\e[2K%b" '\033[93m Setup Source \033[m' >&2
apt-get update >/dev/null 2>&1
apt-get install -y curl >/dev/null 2>&1
fi
source <(curl -fsSL https://git.community-scripts.org/community-scripts/ProxmoxVED/raw/branch/main/misc/core.func)
load_functions
set -euo pipefail
shopt -s inherit_errexit nullglob
APP="PVE-Privilege-Converter"
APP_TYPE="tools"
header_info "$APP"
check_root() {
if [[ $EUID -ne 0 ]]; then
msg_error "Script must be run as root"
exit 1
fi
}
select_target_storage_and_container_id() {
echo -e "\nSelect target storage for restored container:\n"
mapfile -t target_storages < <(pvesm status --content images | awk 'NR > 1 {print $1}')
for i in "${!target_storages[@]}"; do
printf "%s) %s\n" "$((i + 1))" "${target_storages[$i]}"
done
while true; do
read -rp "Enter number of target storage: " choice
if [[ "$choice" =~ ^[0-9]+$ ]] && ((choice >= 1 && choice <= ${#target_storages[@]})); then
TARGET_STORAGE="${target_storages[$((choice - 1))]}"
break
else
echo "Invalid selection. Try again."
fi
done
next_free_id=$(pvesh get /cluster/nextid 2>/dev/null || echo 999)
[[ "$next_free_id" =~ ^[0-9]+$ ]] || next_free_id=999
echo ""
read -rp "Suggested next free container ID: $next_free_id. Enter new container ID [default: $next_free_id]: " NEW_CONTAINER_ID
NEW_CONTAINER_ID="${NEW_CONTAINER_ID:-$next_free_id}"
}
select_container() {
mapfile -t lxc_list_raw < <(pct list | awk 'NR > 1 {print $1, $3}')
lxc_list=()
for entry in "${lxc_list_raw[@]}"; do
[[ -n "$entry" ]] && lxc_list+=("$entry")
done
if [[ ${#lxc_list[@]} -eq 0 ]]; then
msg_error "No containers found"
exit 1
fi
PS3="Enter number of container to convert: "
select opt in "${lxc_list[@]}"; do
if [[ -n "$opt" ]]; then
read -r CONTAINER_ID CONTAINER_NAME <<<"$opt"
CONTAINER_NAME="${CONTAINER_NAME:-}"
break
else
echo "Invalid selection. Try again."
fi
done
}
select_backup_storage() {
echo -e "Select backup storage (temporary vzdump location):"
mapfile -t backup_storages < <(pvesm status --content backup | awk 'NR > 1 {print $1}')
local PS3="Enter number of backup storage: "
select opt in "${backup_storages[@]}"; do
if [[ -n "$opt" ]]; then
BACKUP_STORAGE="$opt"
break
else
echo "Invalid selection. Try again."
fi
done
}
backup_container() {
msg_custom "📦" "\e[36m" "Backing up container $CONTAINER_ID"
vzdump_output=$(mktemp)
vzdump "$CONTAINER_ID" --compress zstd --storage "$BACKUP_STORAGE" --mode snapshot | tee "$vzdump_output"
BACKUP_PATH=$(awk '/tar.zst/ {print $NF}' "$vzdump_output" | tr -d "'")
if [ -z "$BACKUP_PATH" ] || ! grep -q "Backup job finished successfully" "$vzdump_output"; then
rm "$vzdump_output"
msg_error "Backup failed"
exit 1
fi
rm "$vzdump_output"
msg_ok "Backup complete: $BACKUP_PATH"
}
perform_conversion() {
if pct config "$CONTAINER_ID" | grep -q 'unprivileged: 1'; then
UNPRIVILEGED=true
else
UNPRIVILEGED=false
fi
msg_custom "🛠️" "\e[36m" "Restoring as $(if $UNPRIVILEGED; then echo privileged; else echo unprivileged; fi) container"
restore_opts=("$NEW_CONTAINER_ID" "$BACKUP_PATH" --storage "$TARGET_STORAGE")
if $UNPRIVILEGED; then
restore_opts+=(--unprivileged false)
else
restore_opts+=(--unprivileged)
fi
if pct restore "${restore_opts[@]}" -ignore-unpack-errors 1; then
msg_ok "Conversion successful"
else
msg_error "Conversion failed"
exit 1
fi
}
manage_states() {
read -rp "Shutdown source and start new container? [Y/n]: " answer
answer=${answer:-Y}
if [[ $answer =~ ^[Yy] ]]; then
pct shutdown "$CONTAINER_ID"
for i in {1..36}; do
sleep 5
! pct status "$CONTAINER_ID" | grep -q running && break
done
if pct status "$CONTAINER_ID" | grep -q running; then
read -rp "Timeout reached. Force shutdown? [Y/n]: " force
if [[ ${force:-Y} =~ ^[Yy] ]]; then
pkill -9 -f "lxc-start -F -n $CONTAINER_ID"
fi
fi
pct start "$NEW_CONTAINER_ID"
msg_ok "New container started"
else
msg_custom "" "\e[36m" "Skipped container state change"
fi
}
cleanup_files() {
read -rp "Delete backup archive? [$BACKUP_PATH] [Y/n]: " cleanup
if [[ ${cleanup:-Y} =~ ^[Yy] ]]; then
rm -f "$BACKUP_PATH" && msg_ok "Removed backup archive"
else
msg_custom "💾" "\e[36m" "Retained backup archive"
fi
}
summary() {
local conversion="Unknown"
if [[ -n "${UNPRIVILEGED:-}" ]]; then
if $UNPRIVILEGED; then
conversion="Unprivileged → Privileged"
else
conversion="Privileged → Unprivileged"
fi
fi
echo
msg_custom "📄" "\e[36m" "Summary:"
msg_custom " " "\e[36m" "$(printf "%-22s %s" "Original Container:" "$CONTAINER_ID ($CONTAINER_NAME)")"
msg_custom " " "\e[36m" "$(printf "%-22s %s" "Backup Storage:" "$BACKUP_STORAGE")"
msg_custom " " "\e[36m" "$(printf "%-22s %s" "Target Storage:" "$TARGET_STORAGE")"
msg_custom " " "\e[36m" "$(printf "%-22s %s" "Backup Path:" "$BACKUP_PATH")"
msg_custom " " "\e[36m" "$(printf "%-22s %s" "New Container ID:" "$NEW_CONTAINER_ID")"
msg_custom " " "\e[36m" "$(printf "%-22s %s" "Privilege Conversion:" "$conversion")"
echo
}
main() {
header_info
check_root
select_container
select_backup_storage
backup_container
select_target_storage_and_container_id
perform_conversion
manage_states
cleanup_files
summary
}
main