Synnefo

# Copyright 2010 Greek Research and Technology Network

import vocabs

def stopVirtualMachine(vm):

    """This method send message to ganeti in order to suspend a virtual machine"""

def charge():

    """This method scans all the virtual machines and charge each user"""

    all_vms = VirtualMachine.objects.all()

    if len(all_vms) == 0:

        print "No virtual machines found"

    for vm in all_vms:

        cost = 0

        # Running and Stopped is charged, else no cost

        if vm.state == 'PE_VM_RUNNING':

            cost = vm.flavor.cost_active

        elif vm.state == 'PE_PE_VM_STOPPED':

            cost = vm.flavor.cost_inactive

        user_credits = vm.user.chargeCredits(cost)

        if user_credits <= 0:

            stopVirtualMachine(vm)