lovorus-client.py

from json import loads
from xmlrpc.client import ServerProxy
from os import system
from sys import argv

def ping_server(server_addr):
    print("Checking the server status...")
    status = system("ping -c 1 -w 5 " + server_addr + " > /dev/null 2>&1")
    if status == 0:
        return ("Up", server_addr)
    else:
        return ("Down", server_addr)

def print_info_disk(info, data_disk):
    for i in info:
        print("%s\t\t\t: %.2f kB\t\t%.2f MB\t%.2f GB" \
              % (i, data_disk[i]['kB'], data_disk[i]['MB'], data_disk[i]['GB']))

def main(server_addr):
    server = ServerProxy("http://" + server_addr + ":13000/", allow_none=True)
    (status_server, addr) = ping_server(server_addr)
    print("%s status\t: %s" % (addr, status_server))
    if status_server == "Up":
        try:
            data_disk = loads(server.server_disk_usage())
            print_info_disk(["Total", "Used", "Free"], data_disk)
        except ConnectionRefusedError:
            print("Can't connect to lovorus-server.py on the server")

if __name__ == '__main__':
    if len(argv) == 2:
        main(argv[1])
    else:
        print("Need an IP address")