Enforce unique hostname

[domainzero]

Is there a way to enforce uniqueness via custom validator? I found the unique function being used for asset_tag, but am not sure how to apply that to a different field like name.

Is this feasible?

[jeremystretch]

Yes; you can write a custom validator class to enforce whatever logic you'd like.

[domainzero]

Is there a unique function I can call for this, or do I have to build my own logic?

[domainzero]

Ended up figuring it out. Here's the code I used.

from extras.validators import CustomValidator
from dcim.models import Device

class DeviceNameUnique(CustomValidator):
    def validate(self, device):
        existing_devices = Device.objects.filter(name__iexact=device.name).exists()
        print(existing_devices)
        if existing_devices:
            self.fail("Device name already in use.", field="name")

[LHBL2003]

It is not clear to me where I have to write this validation class.
Can you tell me which file I need to write the code to?

[LHBL2003]

So I managed to do it for Host/Devices and Virtual Machine and documented it here. What you had to enter where.:
#16267