Modified ngrok2actions for own use

ngrok2actions.sh

#!/usr/bin/env bash
#
# Copyright (c) 2020-2021 P3TERX <https://p3terx.com>
#
# https://github.com/P3TERX/ssh2actions
# File name：ngrok2actions.sh
# Description: Connect to Github Actions VM via SSH by using ngrok
# Version: 2.0
#

GreenFont="\033[32m"
RedFont="\033[31m"
FontReset="\033[0m"
INFO="[${GreenFont}INFO${FontReset}]"
ERROR="[${RedFont}ERROR${FontReset}]"

LOG_FILE='/tmp/ngrok.log'
TELEGRAM_LOG="/tmp/telegram.log"
CONTINUE_FILE="/tmp/continue"

# REPO_PURPOSE = "Description of for which ngrok is running"

if [[ -z "${NGROK_TOKEN}" ]]; then
  echo -e "${ERROR} Please set 'NGROK_TOKEN' environment variable."
  exit 2
fi
if [[ -z "${SSH_PASSWORD}" ]]; then
  echo -e "${ERROR} Please set 'SSH_PASSWORD' environment variable."
  exit 3
fi

if [[ $OSTYPE == "linux-gnu" ]]; then
  echo -e "${INFO} Install ngrok ..."
  curl -fsSL https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-amd64.zip -o ngrok.zip
  unzip ngrok.zip ngrok
  rm ngrok.zip
  chmod +x ngrok
  sudo mv ngrok /usr/local/bin
  ngrok -v
elif [[ $OSTYPE == "darwin"* ]]; then
  echo -e "${INFO} Install ngrok ..."
  curl -fsSL https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-darwin-amd64.zip -o ngrok.zip
  unzip ngrok.zip ngrok
  rm ngrok.zip
  chmod +x ngrok
  sudo mv ngrok /usr/local/bin
  ngrok -v
  USER=root
  echo -e "${INFO} Set SSH service ..."
  echo 'PermitRootLogin yes' | sudo tee -a /etc/ssh/sshd_config >/dev/null
  sudo launchctl unload /System/Library/LaunchDaemons/ssh.plist
  sudo launchctl load -w /System/Library/LaunchDaemons/ssh.plist
else
  echo -e "${ERROR} This system is not supported!"
  exit 1
fi

if [[ -n "${SSH_PASSWORD}" ]]; then
  echo -e "${INFO} Set user(${USER}) password ..."
  echo -e "${SSH_PASSWORD}\n${SSH_PASSWORD}" | sudo passwd "${USER}"
fi

echo -e "${INFO} Start ngrok proxy for SSH port..."
screen -dmS ngrok \
  ngrok tcp 22 \
  --log "${LOG_FILE}" \
  --authtoken "${NGROK_TOKEN}" \
  --region "${NGROK_REGION:-us}"

while ((${SECONDS_LEFT:=5} > 0)); do
  echo -e "${INFO} Please wait ${SECONDS_LEFT}s ..."
  sleep 1
  SECONDS_LEFT=$((${SECONDS_LEFT} - 1))
done

ERRORS_LOG=$(grep "command failed" ${LOG_FILE})

if [[ -e "${LOG_FILE}" && -z "${ERRORS_LOG}" ]]; then
  SSH_CMD="$(grep -oE "tcp://(.+)" ${LOG_FILE} | sed "s/tcp:\/\//ssh ${USER}@/" | sed "s/:/ -p /")"
  MSG="
*GitHub Actions - ngrok access for ${REPO_PURPOSE}:*

⚡ *CLI:*
\`${SSH_CMD}\`
"
  if [[ -n "${TELEGRAM_BOT_TOKEN}" && -n "${TELEGRAM_CHAT_ID}" ]]; then
    echo -e "${INFO} Sending message to Telegram..."
    curl -sSX POST "${TELEGRAM_API_URL:-https://api.telegram.org}/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
        -d "disable_web_page_preview=true" \
        -d "parse_mode=Markdown" \
        -d "chat_id=${TELEGRAM_CHAT_ID}" \
        -d "text=${MSG}" >${TELEGRAM_LOG}
    TELEGRAM_STATUS=$(cat ${TELEGRAM_LOG} | jq -r .ok)
    if [[ ${TELEGRAM_STATUS} != true ]]; then
        echo -e "${ERROR} Telegram message sending failed: $(cat ${TELEGRAM_LOG})"
    else
        echo -e "${INFO} Telegram message sent successfully!"
    fi
  fi
  while ((${PRT_COUNT:=1} <= ${PRT_TOTAL:=5})); do
    SECONDS_LEFT=${PRT_INTERVAL_SEC:=5}
    while ((${PRT_COUNT} > 1)) && ((${SECONDS_LEFT} > 0)); do
      echo -e "${INFO} (${PRT_COUNT}/${PRT_TOTAL}) Please wait ${SECONDS_LEFT}s ..."
      sleep 1
      SECONDS_LEFT=$((${SECONDS_LEFT} - 1))
    done
    echo "------------------------------------------------------------------------"
    echo "To connect to this session copy and paste the following into a terminal:"
    echo -e "${GreenFont}$SSH_CMD${FontReset}"
    echo "------------------------------------------------------------------------"
    PRT_COUNT=$((${PRT_COUNT} + 1))
  done
else
  echo -e "${ERRORS_LOG}"
  exit 4
fi

while [[ -n $(ps aux | grep ngrok) ]]; do
  sleep 2
  touch ${CONTINUE_FILE}
  if [[ -e ${CONTINUE_FILE} ]]; then
    echo -e "${INFO} Continuing to the next step."
    exit 0
  fi
done

ngrok3actions.sh

#!/usr/bin/env bash

GreenFont="\033[32m"
RedFont="\033[31m"
FontReset="\033[0m"
INFO="[${GreenFont}INFO${FontReset}]"
ERROR="[${RedFont}ERROR${FontReset}]"

LOG_FILE='/tmp/ngrok.log'
TELEGRAM_LOG="/tmp/telegram.log"
CONTINUE_FILE="/tmp/continue"

# REPO_PURPOSE = "Description of for which ngrok is running"

if [[ -z "${NGROK_TOKEN}" ]]; then
  echo -e "${ERROR} Please set 'NGROK_TOKEN' environment variable."
  exit 2
fi
if [[ -z "${SSH_PASSWORD}" ]]; then
  echo -e "${ERROR} Please set 'SSH_PASSWORD' environment variable."
  exit 3
fi

if [[ $OSTYPE == "linux-gnu" ]]; then
  echo -e "${INFO} Install ngrok ..."
  curl -fsSL https://bin.equinox.io/c/bNyj1mQVY4c/ngrok-v3-stable-linux-amd64.tgz -o ngrok.tgz
  tar xf ngrok.tgz ngrok
  rm ngrok.tgz
  chmod +x ngrok
  sudo mv ngrok /usr/local/bin
  ngrok -v
elif [[ $OSTYPE == "darwin"* ]]; then
  echo -e "${INFO} Install ngrok ..."
  curl -fsSL https://bin.equinox.io/c/bNyj1mQVY4c/ngrok-v3-stable-darwin-amd64.zip -o ngrok.zip
  unzip ngrok.zip ngrok
  rm ngrok.zip
  chmod +x ngrok
  sudo mv ngrok /usr/local/bin
  ngrok -v
  USER=root
  echo -e "${INFO} Set SSH service ..."
  echo 'PermitRootLogin yes' | sudo tee -a /etc/ssh/sshd_config >/dev/null
  sudo launchctl unload /System/Library/LaunchDaemons/ssh.plist
  sudo launchctl load -w /System/Library/LaunchDaemons/ssh.plist
else
  echo -e "${ERROR} This system is not supported!"
  exit 1
fi

if [[ -n "${SSH_PASSWORD}" ]]; then
  echo -e "${INFO} Set user(${USER}) password ..."
  echo -e "${SSH_PASSWORD}\n${SSH_PASSWORD}" | sudo passwd "${USER}"
fi

echo -e "${INFO} Start ngrok proxy for SSH port..."
screen -dmS ngrok \
  ngrok tcp 22 \
  --log "${LOG_FILE}" \
  --authtoken "${NGROK_TOKEN}" \
  --region "${NGROK_REGION:-us}"

while ((${SECONDS_LEFT:=5} > 0)); do
  echo -e "${INFO} Please wait ${SECONDS_LEFT}s ..."
  sleep 1
  SECONDS_LEFT=$((${SECONDS_LEFT} - 1))
done

ERRORS_LOG=$(grep "command failed" ${LOG_FILE})

if [[ -e "${LOG_FILE}" && -z "${ERRORS_LOG}" ]]; then
  SSH_CMD="$(grep -oE "tcp://(.+)" ${LOG_FILE} | sed "s/tcp:\/\//ssh ${USER}@/" | sed "s/:/ -p /")"
  MSG="
*GitHub Actions - ngrok access for ${REPO_PURPOSE}:*

⚡ *CLI:*
\`${SSH_CMD}\`
"
  if [[ -n "${TELEGRAM_BOT_TOKEN}" && -n "${TELEGRAM_CHAT_ID}" ]]; then
    echo -e "${INFO} Sending message to Telegram..."
    curl -sSX POST "${TELEGRAM_API_URL:-https://api.telegram.org}/bot${TELEGRAM_BOT_TOKEN}/sendMessage" \
        -d "disable_web_page_preview=true" \
        -d "parse_mode=Markdown" \
        -d "chat_id=${TELEGRAM_CHAT_ID}" \
        -d "text=${MSG}" >${TELEGRAM_LOG}
    TELEGRAM_STATUS=$(cat ${TELEGRAM_LOG} | jq -r .ok)
    if [[ ${TELEGRAM_STATUS} != true ]]; then
        echo -e "${ERROR} Telegram message sending failed: $(cat ${TELEGRAM_LOG})"
    else
        echo -e "${INFO} Telegram message sent successfully!"
    fi
  fi
  while ((${PRT_COUNT:=1} <= ${PRT_TOTAL:=5})); do
    SECONDS_LEFT=${PRT_INTERVAL_SEC:=10}
    while ((${PRT_COUNT} > 1)) && ((${SECONDS_LEFT} > 0)); do
      echo -e "${INFO} (${PRT_COUNT}/${PRT_TOTAL}) Please wait ${SECONDS_LEFT}s ..."
      sleep 2
      SECONDS_LEFT=$((${SECONDS_LEFT} - 2))
    done
    echo "------------------------------------------------------------------------"
    echo "To connect to this session copy and paste the following into a terminal:"
    echo -e "${GreenFont}$SSH_CMD${FontReset}"
    echo "------------------------------------------------------------------------"
    PRT_COUNT=$((${PRT_COUNT} + 1))
  done
else
  echo -e "${ERRORS_LOG}"
  exit 4
fi

while [[ -n $(ps aux | grep ngrok) ]]; do
  sleep 2
  touch ${CONTINUE_FILE}
  if [[ -e ${CONTINUE_FILE} ]]; then
    echo -e "${INFO} Continuing to the next step."
    exit 0
  fi
done

ssh_keepalive.sh

#!/usr/bin/env bash

mkdir -p ~/.ssh
cat << EOK > ~/.ssh/config
Host *
  ServerAliveInterval 30
  StrictHostKeyChecking no
Host github.com
  User git
  Port 22
  Hostname github.com
  TCPKeepAlive yes
  IdentitiesOnly yes
EOK

ssh-keyscan -t rsa github.com >> ~/.ssh/known_hosts 2>/dev/null