open an ssh tunnel and point a browser to it

ssh-tunnel.sh

#!/bin/bash

# Requires argparse.bash (https://github.com/nhoffman/argparse-bash)
# in the same directory as this script

# Installation:
# cd ~/bin  # or another location on your $PATH
# curl https://gist.githubusercontent.com/nhoffman/8636c6e267cb4403ac3a35ff0bc53f3d/raw/ > ssh-tunnel
# chmod +x ssh-tunnel
# curl -O https://raw.githubusercontent.com/nhoffman/argparse-bash/master/argparse.bash

source $(dirname $0)/argparse.bash || exit 1
argparse "$@" <<EOF || exit 1
parser.add_argument('host')
parser.add_argument('-r', '--remote-port', default='8000')
parser.add_argument('-l', '--local-port')
parser.add_argument('-n', '--no-open-browser', dest='open_browser', action='store_false', 
                    default=True, help="open browser to localhost:<local-port> (mac only)")
parser.add_argument('-v', '--verbose', dest='verbose',
                    action='store_true', default=False)
EOF

if [[ -z $LOCAL_PORT ]]; then
    LOCAL_PORT=$REMOTE_PORT
fi

# echo $HOST
# echo $REMOTE_PORT
# echo $LOCAL_PORT
# echo $OPEN_BROWSER

delay=5

echo "forwarding $HOST:$REMOTE_PORT to localhost:$LOCAL_PORT "

if [[ $OPEN_BROWSER ]]; then
   echo "opening browser in $delay seconds"
   (sleep $delay; open http://localhost:$LOCAL_PORT) &
fi

if [[ $VERBOSE ]]; then
    verbose="-v"
    echo ssh -o ForwardX11=no $verbose -C -nNT -L $LOCAL_PORT:localhost:$REMOTE_PORT "$HOST"
fi

# note that we deliberately leave the ssh process in the foreground so
# that we can kill with ^C
ssh -o ForwardX11=no $verbose -C -nNT -L $LOCAL_PORT:localhost:$REMOTE_PORT "$HOST"