pricefeed-tool.sh

#!/bin/bash

#
# Someguy123's Price Feed installer script
# https://github.com/someguy123 - https://someguy123.com
# https://steemit.com/@someguy123
# Released under the GNU GPL 3 license
#

# Update environment file
setup_env() {
    if [[ ! -f .env ]]; then
    	echo "Creating config file..."
        cp .example.env .env
    fi

    echo "If you make a mistake, just press CTRL-C to exit without saving."
    read -p "Your STEEM username  (no @ sign): " STMUSER
    read -p "Your active private key (begins with 5): " STMKEY
    sed -i 's/^feed_account=.*/feed_account='$STMUSER'/' .env
    sed -i 's/^feed_wif=.*/feed_wif='$STMKEY'/' .env
    echo "- - - - - - - - - - - - - - - - - - - - - -"
    echo "Successfully saved config"
}
setup_env_question() {
    read -p "Automatically configure the price feed? (Y/n) " SETUP_ENV
    case "$SETUP_ENV" in
        [yY] | [yY][Ee][Ss] | "" )
            setup_env
            ;;
        [nN] | [nN][oO] )
            echo "Skipping environment setup"
            ;;
        *)
            echo "Invalid option"
            setup_env_question
            ;;
    esac
}
# Install the price feed in the current directory
install() {
    echo "Installing Python3, git, and Python3-PIP..."
    echo "- - - - - - - - - - - - - - - - - - - - - -"
    echo
    case "$OSTYPE" in
      darwin*)
          echo "Detected OSX. Trying to install via Homebrew" 
          command -v brew >/dev/null 2>&1 || { echo "Homebrew not found. Please install Homebrew from http://brew.sh" >&2; exit 1; }
          brew update
          brew install git
          brew install python3
          brew install screen
          ;;
      linux*)
        command -v apt-get >/dev/null 2>&1 || { echo "Couldn't find apt-get. This script only supports debian-based and OSX systems" >&2; exit 1; }
        apt-get update > /dev/null
        apt-get install -y python3 python3-dev git screen libssl-dev libffi-dev python3-pip > /dev/null
      ;;
      *)        echo "Your OS is NOT supported. You'll have to do it manually." && exit ;;
    esac
    echo "- - - - - - - - - - - - - - - - - - - - - -"
    echo
    echo "Updating PIP to avoid problems..."
    pip3 install --upgrade pip > /dev/null
    echo "- - - - - - - - - - - - - - - - - - - - - -"
    echo
    echo "Cloning @jesta's Steem Feed..."
    echo "- - - - - - - - - - - - - - - - - - - - - -"
    echo
    git clone https://github.com/aaroncox/steemfeed.git > /dev/null
    cd steemfeed
    echo
    echo "Installing dependencies..."
    echo "- - - - - - - - - - - - - - - - - - - - - -"
    echo
    pip3 install {python-dateutil,websocket-client,steem-piston,steem} > /dev/null
    setup_env_question
    echo "- - - - - - - - - - - - - - - - - - - - - -"
    echo
    echo "Price feed has been installed. Start with '$0 restart'"
    echo
}

if [[ $# -lt 1 ]]; then
    echo "Welcome to the price feed script by @SOMEGUY123"
    echo "What would you like to do?"
    echo
    echo "install -> Install price feed into current directory"
    echo "config -> Re-configure username and key used"
    echo "status -> Check if the feed is running"
    echo "restart -> (Re)start the price feed"
    echo "stop -> Stop the price feed"
    read -p "Your choice: " CHOICE
else
    CHOICE=$1
fi

stop() {
        echo "Killing any existing price feed"
        pkill -9 -f "steemfeed.py"
}

case "$CHOICE" in
    install)
        install
        ;;
    config)
        if [[ ! -d "steemfeed" ]]; then
            echo "Please install using the install command first!"
            exit
        fi
        cd steemfeed
        setup_env
        ;;
    status)
        IS_RUNNING=$(ps aux | grep "steemfeed.py" | grep -v "grep" | wc -l)
        if [[ $IS_RUNNING -gt 0 ]]; then
            echo "The price feed is currently running"
            echo "View it by typing:"
            echo "screen -x pricefeed"
        else
            echo "The price feed is NOT running"
        fi
        ;;
    stop)
        stop
        ;;
    start | restart)
        if [[ ! -d "steemfeed" ]]; then
            echo "Please install using the install command first!"
            exit
        fi
        stop
        echo "Loading environment settings"
	cd steemfeed
        export $(grep -o '^[^#]*' .env)
        # clear old error log
        if [[ -f error.log ]]; then 
            rm error.log 
        fi
        echo "Starting steemfeed in screen 'pricefeed'"
        screen -L -dmS pricefeed sh -c 'python3 steemfeed.py 2> error.log'
        echo "Pricefeed started! Check on it with 'screen -x pricefeed'"
      	echo "Problems? Check steemfeed/error.log"
      	if [[ -f error.log ]]; then
      		cat error.log
      	fi
        ;;
    *)
        echo "Invalid command."
        echo "Usage: $0 install|config|status|restart|stop"
        ;;
esac