232 lines
7.2 KiB
Bash
232 lines
7.2 KiB
Bash
#!/bin/bash
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# The script will then add the container to your Tailscale network.
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#
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# For more information see: [Link TBD]
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error_handler() {
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echo
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echo "======================="
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exit 1
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}
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echo "======================="
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echo
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# Import variables from s6-overlay images
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if [ -x "/usr/bin/with-contenv" ]; then
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echo "just-containers s6-overlay image found, importing variables..."
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ENV_VARS="$(/usr/bin/with-contenv bash -c 'env')"
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while IFS='=' read -r KEY VALUE; do
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export "${KEY}"="${VALUE}"
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done <<< "${ENV_VARS}"
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fi
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if [[ ! -f /usr/bin/tailscale || ! -f /usr/bin/tailscaled ]]; then
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if [ ! -z "${TAILSCALE_EXIT_NODE_IP}" ]; then
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if [ ! -c /dev/net/tun ]; then
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echo "ERROR: Device /dev/net/tun not found!"
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echo " Make sure to pass through /dev/net/tun to the container."
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error_handler
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fi
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APT_IPTABLES="iptables "
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fi
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echo "Detecting Package Manager..."
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if which apt-get >/dev/null 2>&1; then
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echo "Detected Advanced Package Tool!"
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PACKAGES_UPDATE="apt-get update"
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PACKAGES_INSTALL="apt-get -y install --no-install-recommends"
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elif which apk >/dev/null 2>&1; then
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echo "Detected Alpine Package Keeper!"
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PACKAGES_UPDATE="apk update"
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PACKAGES_INSTALL="apk add"
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else
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echo "ERROR: Detection failed!"
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error_handler
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fi
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echo "Installing dependencies..."
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echo "Please wait..."
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${PACKAGES_UPDATE} >/dev/null 2>&1
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${PACKAGES_INSTALL} jq wget ca-certificates ${APT_IPTABLES}>/dev/null 2>&1
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echo "Done"
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if [ "${APT_IPTABLES}" == "iptables " ]; then
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if ! iptables -L >/dev/null 2>&1; then
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echo "ERROR: Cap: NET_ADMIN not available!"
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echo " Make sure to add --cap-add=NET_ADMIN to the Extra Parameters"
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error_handler
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fi
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fi
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echo "Tailscale not found, downloading..."
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echo "Please wait..."
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TAILSCALE_JSON=$(wget -qO- 'https://pkgs.tailscale.com/stable/?mode=json')
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if [ -z "${TAILSCALE_JSON}" ]; then
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echo "ERROR: Can't get Tailscale JSON"
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error_handler
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fi
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TAILSCALE_TARBALL=$(echo "${TAILSCALE_JSON}" | jq -r .Tarballs.amd64)
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TAILSCALE_VERSION=$(echo "${TAILSCALE_JSON}" | jq -r .TarballsVersion)
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if [ ! -d /tmp/tailscale ]; then
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mkdir -p /tmp/tailscale
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fi
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if wget -q -nc --show-progress --progress=bar:force:noscroll -O /tmp/tailscale/tailscale.tgz "https://pkgs.tailscale.com/stable/${TAILSCALE_TARBALL}" ; then
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echo "Download from Tailscale version ${TAILSCALE_VERSION} successful!"
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else
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echo "ERROR: Download from Tailscale version ${TAILSCALE_VERSION} failed!"
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rm -rf /tmp/tailscale
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error_handler
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fi
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cd /tmp/tailscale
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tar -xf /tmp/tailscale/tailscale.tgz
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cp /tmp/tailscale/tailscale_${TAILSCALE_VERSION}_amd64/tailscale /usr/bin/tailscale
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cp /tmp/tailscale/tailscale_${TAILSCALE_VERSION}_amd64/tailscaled /usr/bin/tailscaled
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rm -rf /tmp/tailscale
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echo "Done"
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else
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echo "Tailscale found, continuing..."
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fi
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unset TSD_PARAMS
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unset TS_PARAMS
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if [ ! -z "${TAILSCALE_STATE_DIR}" ]; then
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TSD_STATE_DIR="${TAILSCALE_STATE_DIR}"
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elif [ -v SERVER_DIR ]; then
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TSD_STATE_DIR=${SERVER_DIR}/.tailscale_state
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echo "Settings Tailscale state dir to: ${TSD_STATE_DIR}"
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elif [ -v DATA_DIR ]; then
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TSD_STATE_DIR=${DATA_DIR}/.tailscale_state
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echo "Settings Tailscale state dir to: ${TSD_STATE_DIR}"
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else
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if [ -z "${TAILSCALE_STATE_DIR}" ]; then
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TAILSCALE_STATE_DIR="/config/.tailscale_state"
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fi
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TSD_STATE_DIR=${TAILSCALE_STATE_DIR}
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echo "Settings Tailscale state dir to: ${TSD_STATE_DIR}"
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fi
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if [ ! -d ${TS_STATE_DIR} ]; then
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mkdir -p ${TS_STATE_DIR}
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fi
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if [ ! -z "${TAILSCALE_EXIT_NODE_IP}" ]; then
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echo "Using ${TAILSCALE_EXIT_NODE_IP} as Exit Node! See https://tailscale.com/kb/1103/exit-nodes"
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TS_PARAMS=" --exit-node=${TAILSCALE_EXIT_NODE_IP}"
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if [ ! -z "${TAILSCALE_ALLOW_LAN_ACCESS}" ]; then
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echo "Enabling local LAN Access to the container!"
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TS_PARAMS+=" --exit-node-allow-lan-access"
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fi
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else
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if [ -z "${TAILSCALE_USERSPACE_NETWORKING}" ] || [ "${TAILSCALE_USERSPACE_NETWORKING}" == "true" ]; then
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TSD_PARAMS+="-tun=userspace-networking "
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else
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if [ ! -c /dev/net/tun ]; then
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echo "ERROR: Device /dev/net/tun not found!"
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echo " Make sure to pass through /dev/net/tun to the container and add the"
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echo " parameter --cap-add=NET_ADMIN to the Extra Parameters!"
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error_handler
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fi
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fi
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fi
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if [ "${TAILSCALE_USE_SSH}" == "true" ]; then
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echo "Enabling SSH. See https://tailscale.com/kb/1193/tailscale-ssh"
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TS_PARAMS+=" --ssh"
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fi
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if [ "${TAILSCALE_LOG}" != "false" ]; then
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TSD_PARAMS+=">>/var/log/tailscaled 2>&1 "
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TSD_MSG=" with log file /var/log/tailscaled"
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else
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TSD_PARAMS+=">/dev/null 2>&1 "
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fi
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if [[ ! -z "${TAILSCALE_AUTHKEY}" && -f ${TSD_STATE_DIR}/.initialized ]]; then
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echo
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echo "-> It is now save to remove the variable TAILSCALE_AUTHKEY from your template <-"
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echo
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unset TAILSCALE_AUTHKEY
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fi
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if [ ! -z "${TAILSCALE_AUTHKEY}" ]; then
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TS_AUTH="--authkey=${TAILSCALE_AUTHKEY} "
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fi
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if [ ! -z "${TAILSCALE_HOSTNAME}" ]; then
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echo "Setting host name to ${TAILSCALE_HOSTNAME}"
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TS_PARAMS+=" --hostname=${TAILSCALE_HOSTNAME/ /}"
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fi
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if [ "${TAILSCALE_EXIT_NODE}" == "true" ]; then
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echo "Configuring container as Exit Node! See https://tailscale.com/kb/1103/exit-nodes"
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TS_PARAMS+=" --advertise-exit-node"
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fi
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if [ ! -z "${TAILSCALED_PARAMS}" ]; then
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TSD_PARAMS="${TAILSCALED_PARAMS} ${TSD_PARAMS}"
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fi
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if [ ! -z "${TAILSCALE_PARAMS}" ]; then
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TS_PARAMS="${TAILSCALE_PARAMS}${TS_PARAMS}"
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fi
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echo "Starting tailscaled${TSD_MSG}"
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eval tailscaled -statedir=${TSD_STATE_DIR} ${TSD_PARAMS}&
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echo "Starting tailscale"
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eval tailscale up ${TS_AUTH}${TS_PARAMS}
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EXIT_STATUS="$?"
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if [ "${EXIT_STATUS}" == "0" ]; then
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echo "Connecting to Tailscale successful!"
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if [ ! -f ${TSD_STATE_DIR}/.initialized ]; then
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echo "Please don't remove this file!" > ${TSD_STATE_DIR}/.initialized
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fi
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else
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echo "ERROR: Connecting to Tailscale not successful!"
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if [ -f /var/log/tailscaled ]; then
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echo "Please check the logs:"
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tail -20 /var/log/tailscaled
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echo "======================="
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fi
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error_handler
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fi
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if [[ ! -z "${TAILSCALE_SERVE_PORT}" && "$(tailscale status --json | jq -r '.CurrentTailnet.MagicDNSEnabled')" == "false" ]] ; then
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echo "ERROR: Enable HTTPS on your Tailscale account to use Tailscale Serve/Funnel."
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echo "See: https://tailscale.com/kb/1153/enabling-https"
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error_handler
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fi
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if [ ! -z ${TAILSCALE_SERVE_PORT} ]; then
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if [ ! -z "${TAILSCALE_SERVE_PATH}" ]; then
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TAILSCALE_SERVE_PATH="=${TAILSCALE_SERVE_PATH}"
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fi
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if [ -z "${TAILSCALE_SERVE_MODE}" ]; then
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TAILSCALE_SERVE_MODE="https"
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fi
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if [ -z "${TAILSCALE_SERVE_PROTOCOL_PORT}" ]; then
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TAILSCALE_SERVE_PROTOCOL_PORT="=443"
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fi
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if [ "${TAILSCALE_FUNNEL}" == "true" ]; then
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echo "Enabling Funnel! See https://tailscale.com/kb/1223/funnel"
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eval tailscale funnel --bg --"${TAILSCALE_SERVE_MODE}"${TAILSCALE_SERVE_PROTOCOL_PORT}${TAILSCALE_SERVE_PATH} http://localhost:"${TAILSCALE_SERVE_PORT}${TAILSCALE_SERVER_LOCALPATH}"
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else
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echo "Enabling Serve! See https://tailscale.com/kb/1312/serve"
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eval tailscale serve --bg --"${TAILSCALE_SERVE_MODE}"${TAILSCALE_SERVE_PROTOCOL_PORT}${TAILSCALE_SERVE_PATH} http://localhost:"${TAILSCALE_SERVE_PORT}${TAILSCALE_SERVER_LOCALPATH}"
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fi
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fi
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echo
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echo "=======================" |