Synnefo

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from synnefo.webproject.management.commands import ListCommand

from synnefo.db.models import Flavor, VirtualMachine

class Command(ListCommand):

    help = "List available server flavors"

    object_class = Flavor

    deleted_field = "deleted"

    def get_vms(flavor):

        return VirtualMachine.objects.filter(flavor=flavor, deleted=False)\

                                     .count()

    FIELDS = {

        "id": ("id", "Flavor's unique ID"),

        "name": ("name", "Flavor's unique name"),

        "cpu": ("cpu", "Number of CPUs"),

        "ram": ("ram", "Size(MB) of RAM"),

        "disk": ("disk", "Size(GB) of disk"),

        "template": ("disk_template", "Disk template"),

        "vms": (get_vms, "Number of active servers using this flavor")

    }

    fields = ["id", "name", "cpu", "ram", "disk", "template", "vms"]