quick_install

#!/bin/bash

DIRECTORY="/usr/src/quantonium"
ERGW_TARBALL="ergw_tarball"
ERL_FILE_PATH="/usr/bin/erl"
SYS_CONFIG="/opt/ergw-gtp-c-node/releases/1.16.0/sys.config"
VM_ARGS="/opt/ergw-gtp-c-node/releases/1.16.0/vm.args"
ERLANG_VER="1:20.1"



echo "Creating $DIRECTORY directory..."
sudo mkdir -p $DIRECTORY
if [ ! -d "$DIRECTORY" ]; then
  echo "Unable to create $DIRECTORY. Exiting."
  exit 1
fi

echo "Changing permissions on $DIRECTORY to be +rwx by $USER"
sudo chmod go+rwx $DIRECTORY

cd $DIRECTORY

if [ -d "$ERGW_TARBALL" ]; then
  echo "Removing existing clone of ergw repository. "
  rm -rf $ERGW_TARBALL
fi

echo "Cloning Quantonium's $GIT_TAR repository"
git clone https://github.com/quantonium/$ERGW_TARBALL.git
if [ ! -d "$ERGW_TARBALL" ]; then
  echo "Unable to clone $GIT_TAR. Exiting."
  exit 1
fi
cd $ERGW_TARBALL
echo -n "Copying rebar3 to ~/bin..."
cp rebar3 ~/bin
echo done

echo "Updating packages on current system"
sudo apt update
sudo apt -y upgrade
echo "Checking if Erlang version 20.1 is already installed"
x=`dpkg -l |grep esl-erlang |awk '{print $3}' |grep "20.1"`
if [ "$x" = "$ERLANG_VER" ]; then
    echo "Erlang version Matched"
else
    echo "Erlang version NOT Matched "
    echo "Installing Erlang v 20.1"
    sudo dpkg -i esl-erlang_20.1-1~ubuntu~xenial_amd64.deb
    sudo apt -f install
    sudo dpkg -i esl-erlang_20.1-1~ubuntu~xenial_amd64.deb
fi;
if [ ! -f $ERL_FILE_PATH ]; then
   echo "Unable to install Erlang. Exiting."
   exit 1
fi
echo "Erlang v20.1 installed"
echo "Untarring erGW build environment"
tar xf ergw0424.tar
if [ ! -d "gw" ]; then
  echo "Unable to untar erGW environment. Exiting."
  exit 1
fi
echo "erGW build time environment copied"
cd gw
echo "Installing erGW run time environment in /opt"
sudo cp -aL _build/default/rel/ergw-gtp-c-node /opt
echo "Copying files"
sudo cp config/sys.config $SYS_CONFIG
sudo cp config/vm.args $VM_ARGS
if [ ! -f $VM_ARGS ]; then
	echo "erGW run time installation failure"
	exit 1
fi
echo "erGW run time installation completed successfully"
exit 0