Files
ProxmoxVE/tools/addon/add-tailscale-lxc.sh
CanbiZ (MickLesk) 3ce3c6f613 tools/pve: add data analytics / formatting / linting (#12034)
* core: add progress; fix exit status

Introduce post_progress_to_api() in alpine-install.func and install.func to send a lightweight, fire-and-forget telemetry ping (HTTP POST) that updates an existing telemetry record to "configuring" when DIAGNOSTICS=yes and RANDOM_UUID is set. The function is non-blocking (curl -m 5, errors ignored) and is invoked during container setup and after OS updates to signal active progress. Also adjust api_exit_script() in build.func to report success (post_update_to_api "done" "0") for cases where the script exited normally but a completion status wasn't posted, instead of reporting failure.

* Safer tools.func load and improved error handling

Replace process-substitution sourcing of tools.func with an explicit curl -> variable -> source via /dev/stdin, adding failure messages and a check that expected functions (e.g. fetch_and_deploy_gh_release) are present (misc/alpine-install.func, misc/install.func). Add categorize_error mapping for exit code 10 -> "config" (misc/api.func). Tweak build.func: minor pipeline formatting and change the ERR trap to capture the actual exit code and only call ensure_log_on_host/post_update on non-zero exits, preventing erroneous failure reporting.

* tools: add data init and auto-reporting to tools and pve section

Introduce telemetry helpers in misc/api.func: _telemetry_report_exit (reports success/failure via post_tool_to_api/post_addon_to_api) and init_tool_telemetry (reads DIAGNOSTICS, starts install timer and installs an EXIT trap to auto-report). Integrate telemetry into many tools/addon and tools/pve scripts by sourcing the remote api.func and calling init_tool_telemetry (guarded with declare -f). Also apply a minor arithmetic formatting tweak in misc/build.func for RECOVERY_ATTEMPT.
2026-02-17 16:36:20 +01:00

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Bash

#!/usr/bin/env bash
# Copyright (c) 2021-2026 tteck
# Author: tteck (tteckster)
# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
set -Eeuo pipefail
trap 'echo -e "\n[ERROR] in line $LINENO: exit code $?"' ERR
function header_info() {
clear
cat <<"EOF"
______ _ __ __
/_ __/___ _(_) /_____________ _/ /__
/ / / __ `/ / / ___/ ___/ __ `/ / _ \
/ / / /_/ / / (__ ) /__/ /_/ / / __/
/_/ \__,_/_/_/____/\___/\__,_/_/\___/
EOF
}
function msg_info() { echo -e " \e[1;36m➤\e[0m $1"; }
function msg_ok() { echo -e " \e[1;32m✔\e[0m $1"; }
function msg_error() { echo -e " \e[1;31m✖\e[0m $1"; }
# Telemetry
source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxVE/main/misc/api.func) 2>/dev/null || true
declare -f init_tool_telemetry &>/dev/null && init_tool_telemetry "add-tailscale-lxc" "tool"
header_info
if ! command -v pveversion &>/dev/null; then
msg_error "This script must be run on the Proxmox VE host (not inside an LXC container)"
exit 1
fi
while true; do
read -rp "This will add Tailscale to an existing LXC Container ONLY. Proceed (y/n)? " yn
case "$yn" in
[Yy]*) break ;;
[Nn]*) exit 0 ;;
*) echo "Please answer yes or no." ;;
esac
done
header_info
msg_info "Loading container list..."
NODE=$(hostname)
MSG_MAX_LENGTH=0
CTID_MENU=()
while read -r line; do
TAG=$(echo "$line" | awk '{print $1}')
ITEM=$(echo "$line" | awk '{print substr($0,36)}')
OFFSET=2
((${#ITEM} + OFFSET > MSG_MAX_LENGTH)) && MSG_MAX_LENGTH=$((${#ITEM} + OFFSET))
CTID_MENU+=("$TAG" "$ITEM" "OFF")
done < <(pct list | awk 'NR>1')
CTID=""
while [[ -z "${CTID}" ]]; do
CTID=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Containers on $NODE" --radiolist \
"\nSelect a container to add Tailscale to:\n" \
16 $((MSG_MAX_LENGTH + 23)) 6 \
"${CTID_MENU[@]}" 3>&1 1>&2 2>&3) || exit 1
done
CTID_CONFIG_PATH="/etc/pve/lxc/${CTID}.conf"
# Skip if already configured
grep -q "lxc.cgroup2.devices.allow: c 10:200 rwm" "$CTID_CONFIG_PATH" || echo "lxc.cgroup2.devices.allow: c 10:200 rwm" >>"$CTID_CONFIG_PATH"
grep -q "lxc.mount.entry: /dev/net/tun" "$CTID_CONFIG_PATH" || echo "lxc.mount.entry: /dev/net/tun dev/net/tun none bind,create=file" >>"$CTID_CONFIG_PATH"
header_info
msg_info "Installing Tailscale in CT $CTID"
pct exec "$CTID" -- bash -c '
set -e
export DEBIAN_FRONTEND=noninteractive
# Source os-release properly (handles quoted values)
source /etc/os-release
# Fallback if DNS is poisoned or blocked
ORIG_RESOLV="/etc/resolv.conf"
BACKUP_RESOLV="/tmp/resolv.conf.backup"
# Check DNS resolution using multiple methods (dig may not be installed)
dns_check_failed=true
if command -v dig &>/dev/null; then
if dig +short pkgs.tailscale.com 2>/dev/null | grep -qvE "^127\.|^0\.0\.0\.0$|^$"; then
dns_check_failed=false
fi
elif command -v host &>/dev/null; then
if host pkgs.tailscale.com 2>/dev/null | grep -q "has address"; then
dns_check_failed=false
fi
elif command -v nslookup &>/dev/null; then
if nslookup pkgs.tailscale.com 2>/dev/null | grep -q "Address:"; then
dns_check_failed=false
fi
elif command -v getent &>/dev/null; then
if getent hosts pkgs.tailscale.com &>/dev/null; then
dns_check_failed=false
fi
else
# No DNS tools available, try curl directly and assume DNS works
dns_check_failed=false
fi
if $dns_check_failed; then
echo "[INFO] DNS resolution for pkgs.tailscale.com failed (blocked or redirected)."
echo "[INFO] Temporarily overriding /etc/resolv.conf with Cloudflare DNS (1.1.1.1)"
cp "$ORIG_RESOLV" "$BACKUP_RESOLV"
echo "nameserver 1.1.1.1" >"$ORIG_RESOLV"
fi
if ! command -v curl &>/dev/null; then
echo "[INFO] curl not found, installing..."
apt-get update -qq
apt update -qq
apt install -y curl >/dev/null
fi
# Ensure keyrings directory exists
mkdir -p /usr/share/keyrings
curl -fsSL "https://pkgs.tailscale.com/stable/${ID}/${VERSION_CODENAME}.noarmor.gpg" \
| tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null
echo "deb [signed-by=/usr/share/keyrings/tailscale-archive-keyring.gpg] https://pkgs.tailscale.com/stable/${ID} ${VERSION_CODENAME} main" \
>/etc/apt/sources.list.d/tailscale.list
apt-get update -qq
apt update -qq
apt install -y tailscale >/dev/null
if [[ -f /tmp/resolv.conf.backup ]]; then
echo "[INFO] Restoring original /etc/resolv.conf"
mv /tmp/resolv.conf.backup /etc/resolv.conf
fi
'
TAGS=$(awk -F': ' '/^tags:/ {print $2}' "$CTID_CONFIG_PATH")
TAGS="${TAGS:+$TAGS; }tailscale"
pct set "$CTID" -tags "$TAGS"
msg_ok "Tailscale installed on CT $CTID"
msg_info "Reboot the container, then run 'tailscale up' inside the container to activate."