Netbox report to identify devices which are missing items from device type

missing_device_type_components.py

# Identify devices which are missing components from the device type definition

from extras.reports import Report
from dcim.models import Device

class MissingDeviceTypeComponents(Report):
    name = "Missing Device Type Components"
    description = "Find devices which are missing components that are in the device type template"

    def test_add_ports(self):
        for device in Device.objects.all():
            dt = device.device_type

            for item, templateitem in [
                ('consoleports', 'consoleporttemplates'),
                ('consoleserverports', 'consoleserverporttemplates'),
                ('powerports', 'powerporttemplates'),
                ('poweroutlets', 'poweroutlettemplates'),
                ('interfaces', 'interfacetemplates'),
                ('rearports', 'rearporttemplates'),
                ('frontports', 'frontporttemplates'),
                ('devicebays', 'devicebaytemplates'),
            ]:
                names = {i.name for i in getattr(device, item).all()}
                templatenames = {i.name for i in getattr(dt, templateitem).all()}
                missing = templatenames - names
                if missing:
                    self.log_warning(device, "Missing %s %r" % (item, sorted(missing)))

Update model related names