Okay, pretty sure I found the bug. No idea where/with who to file the bug with though:

I0321 22:26:42.150801 2409260 log.go:75] Unmarshaling property for RPC[Provider[gcp, 0xc0015a85a0].Update(projects/brinqa-prod/managedZones/brinqa-net-private,urn:pulumi:brinqa-prod::brinqa-net-private::gcp:dns/managedZone:ManagedZone::brinqa-net-private).outputs]: managedZoneId={2.9610687372243656e+18}

managedZoneId is cast as an Int, which is then changed to scientific notation. the problem is

2.9610687372243656e+18

recasts as

2961068737224365600

, whereas the actual id for my zone is:

2961068737224365485

(not to mention there's a rounding error there, but that's another nit to pick). If someone can point me to the right place to file said bug, I'll be more than happy to do it.

https://github.com/pulumi/pulumi-gcp is probably the best place.

As a note, if someone else does run into this. My work around is to use the

google-native

provider. I've tested it, and it works as expected (for now, anyways, who knows with it being in early beta).