Open local Flask server in remote machine

openFlaskInRemote.sh

#!/bin/sh

# This script takes the IP of the local machine, then makes a URL pointing to the local Flask server (http://192.168.1.9:5000), 
# opens the URL in remote machine's Chrome tab, runs the Flask server, and plays a sound when ready. 
# USAGE: in Flask's project folder: ~/path-to-script/openFlaskInRemote.sh [remote_machine_name]

IP=""

# find all the active connections of the local machine, 
# and find the IP address of the first one
for i in $(ifconfig -lu) ; do
    if (ifconfig $i | grep -q "status: active") ; then
        IP=$(ifconfig $i | grep -i "inet ")
        break
    fi ;
done

# Finish process if no active connection:
if [ "$IP" = "" ] ; then 
    echo "no active connection"
else 
    # trim the IP address to use only the first part:
    INET=$(awk '{split($0, array); print array[2]}' <<< $IP)
    # parse it to the url:
    URL="http://$INET:5000"
    # if other port is passed as an argument, parse it instead of the 
    # default one:
    if [ "$1" != "" ] ; then
        URL="http://$INET:$1"
    fi
    # open $URL
    echo "$URL"

    TARGET="$1"
    if [ "$TARGET" = "" ] ; then
        TARGET="rainbow"
    fi
    
    echo "Connecting to $TARGET..."

    # find IP of target device:
    CONNECTION="$(arp $TARGET.local)"

    # Clean IP from non useful data:
    IP_RAW="$(echo "$CONNECTION" | grep -E "([0-9]{1,3}[\.]){3}[0-9]{1,3}" | awk '{print $2}')" 
    # Remove parentheses from IP address:
    IP="$(echo "$IP_RAW" | tr -d '()')"

    # connect to device via ssh:
    # ssh $TARGET@$IP

    # CONNECT AND OPEN XXX'S LOCALHOST:
    ssh $TARGET@$IP 'bash -s' <  ./openUrl.sh $URL
fi

flask run -h 192.168.1.9

openUrl.sh

#!/bin/sh

# This script takes a url and opens it in a Chrome tab.

# USAGE: ./openUrl.sh <url>

# parse machine name in url:
URL="$1"

open -a "Google Chrome" $URL

echo "ready to go"

# Play sound, 
afplay /System/Library/Sounds/Glass.aiff
say "code"