metrics

#!/usr/local/bin/python

import click
import psutil

@click.group()
def main():
    pass

@main.command(short_help="Prints CPU metrics")
@click.argument('cpu', nargs=-1, required=False)
def cpu(cpu):
   cpu = psutil.cpu_times()
   templ = "%-5s %4s"
   print (templ % ('system.cpu.idle:', int(cpu.idle)))
   print (templ % ('system.cpu.user:', int(cpu.user)))
   print (templ % ('system.cpu.guest:', int(cpu.guest)))
   print (templ % ('system.cpu.iowait:', int(cpu.iowait)))
   print (templ % ('system.cpu.steal:', int(cpu.steal)))
   print (templ % ('system.cpu.system:', int(cpu.system)))

@main.command(short_help="Prints RAM metrics")
@click.argument('mem', nargs=-1, required=False)
def mem(mem):
    virt = psutil.virtual_memory()
    swap = psutil.swap_memory()
    templ = "%-5s %12s"
    print(templ % ('virtual total:', int(virt.total)))
    print(templ % ('virtual used:', int(virt.used)))
    print(templ % ('virtual free:', int(virt.free)))
    print(templ % ('virtual.shared:', int(getattr(virt, 'shared'))))
    print(templ % ('swap total:', int(swap.total)))
    print(templ % ('swap used:', int(swap.used)))
    print(templ % ('swap free:', int(swap.free)))

if __name__ == "__main__":
    main()