mirror of
https://github.com/community-scripts/ProxmoxVE.git
synced 2025-11-04 10:22:50 +00:00
113 lines
3.5 KiB
Bash
113 lines
3.5 KiB
Bash
#!/usr/bin/env bash
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# Copyright (c) 2021-2025 tteck
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# Author: tteck (tteckster)
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# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
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set -Eeuo pipefail
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trap 'echo -e "\n[ERROR] in line $LINENO: exit code $?"' ERR
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function header_info() {
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clear
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cat <<"EOF"
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______ _ __ __
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/_ __/___ _(_) /_____________ _/ /__
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/ / / __ `/ / / ___/ ___/ __ `/ / _ \
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/ / / /_/ / / (__ ) /__/ /_/ / / __/
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/_/ \__,_/_/_/____/\___/\__,_/_/\___/
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EOF
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}
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function msg_info() { echo -e " \e[1;36m➤\e[0m $1"; }
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function msg_ok() { echo -e " \e[1;32m✔\e[0m $1"; }
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function msg_error() { echo -e " \e[1;31m✖\e[0m $1"; }
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header_info
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if ! command -v pveversion &>/dev/null; then
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msg_error "This script must be run on the Proxmox VE host (not inside an LXC container)"
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exit 1
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fi
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while true; do
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read -rp "This will add Tailscale to an existing LXC Container ONLY. Proceed (y/n)? " yn
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case "$yn" in
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[Yy]*) break ;;
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[Nn]*) exit 0 ;;
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*) echo "Please answer yes or no." ;;
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esac
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done
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header_info
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msg_info "Loading container list..."
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NODE=$(hostname)
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MSG_MAX_LENGTH=0
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CTID_MENU=()
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while read -r line; do
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TAG=$(echo "$line" | awk '{print $1}')
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ITEM=$(echo "$line" | awk '{print substr($0,36)}')
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OFFSET=2
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((${#ITEM} + OFFSET > MSG_MAX_LENGTH)) && MSG_MAX_LENGTH=$((${#ITEM} + OFFSET))
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CTID_MENU+=("$TAG" "$ITEM" "OFF")
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done < <(pct list | awk 'NR>1')
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CTID=""
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while [[ -z "${CTID}" ]]; do
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CTID=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "Containers on $NODE" --radiolist \
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"\nSelect a container to add Tailscale to:\n" \
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16 $((MSG_MAX_LENGTH + 23)) 6 \
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"${CTID_MENU[@]}" 3>&1 1>&2 2>&3) || exit 1
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done
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CTID_CONFIG_PATH="/etc/pve/lxc/${CTID}.conf"
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# Skip if already configured
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grep -q "lxc.cgroup2.devices.allow: c 10:200 rwm" "$CTID_CONFIG_PATH" || echo "lxc.cgroup2.devices.allow: c 10:200 rwm" >>"$CTID_CONFIG_PATH"
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grep -q "lxc.mount.entry: /dev/net/tun" "$CTID_CONFIG_PATH" || echo "lxc.mount.entry: /dev/net/tun dev/net/tun none bind,create=file" >>"$CTID_CONFIG_PATH"
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header_info
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msg_info "Installing Tailscale in CT $CTID"
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pct exec "$CTID" -- bash -c '
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set -e
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export DEBIAN_FRONTEND=noninteractive
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ID=$(grep "^ID=" /etc/os-release | cut -d"=" -f2)
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VER=$(grep "^VERSION_CODENAME=" /etc/os-release | cut -d"=" -f2)
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# fallback if DNS is poisoned or blocked
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ORIG_RESOLV="/etc/resolv.conf"
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BACKUP_RESOLV="/tmp/resolv.conf.backup"
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if ! dig +short pkgs.tailscale.com | grep -qvE "^127\.|^0\.0\.0\.0$"; then
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echo "[INFO] DNS resolution for pkgs.tailscale.com failed (blocked or redirected)."
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echo "[INFO] Temporarily overriding /etc/resolv.conf with Cloudflare DNS (1.1.1.1)"
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cp "$ORIG_RESOLV" "$BACKUP_RESOLV"
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echo "nameserver 1.1.1.1" >"$ORIG_RESOLV"
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fi
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curl -fsSL https://pkgs.tailscale.com/stable/${ID}/${VER}.noarmor.gpg \
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| tee /usr/share/keyrings/tailscale-archive-keyring.gpg >/dev/null
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echo "deb [signed-by=/usr/share/keyrings/tailscale-archive-keyring.gpg] https://pkgs.tailscale.com/stable/${ID} ${VER} main" \
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>/etc/apt/sources.list.d/tailscale.list
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apt-get update -qq
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apt-get install -y tailscale >/dev/null
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if [[ -f /tmp/resolv.conf.backup ]]; then
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echo "[INFO] Restoring original /etc/resolv.conf"
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mv /tmp/resolv.conf.backup /etc/resolv.conf
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fi
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'
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TAGS=$(awk -F': ' '/^tags:/ {print $2}' "$CTID_CONFIG_PATH")
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TAGS="${TAGS:+$TAGS; }tailscale"
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pct set "$CTID" -tags "$TAGS"
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msg_ok "Tailscale installed on CT $CTID"
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msg_info "Reboot the container, then run 'tailscale up' inside the container to activate."
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