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best-xylophone-83824

08/14/2019, 3:59 PM
What do I miss?
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pulumi.output(new gcp.compute.Subnetwork("z", {ipCidrRange: "111", network: "zzz"})).name;
Error on `tsc --noEmit`:
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Property 'name' does not exist on type 'OutputInstance<Subnetwork>'.

16 pulumi.output(new gcp.compute.Subnetwork("z", {ipCidrRange: "111", network: "zzz"})).name;
also strange that error doesn't show full type 
gcp.compute.Subnetwork
, but just 
Subnetwork
basically trying to do:
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const neteng = new pulumi.StackReference(
    "org/gcp-neteng/prod"
).requireOutput("gke01London") as pulumi.Output<gcp.compute.Subnetwork>;


...
neteng.name;
and it fails. interestingly this change makes it work:
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).requireOutput("gke01London") as pulumi.Output<Pick<gcp.compute.Subnetwork,'name'>>;
w

white-balloon-205

08/14/2019, 5:07 PM
The outputs on `StackReference`s are plain JavaScript objects, not fully realized 
Resource
instances. You typically need to output an id from one stack, and then 
.get
that 
id
in the other stack.
b

best-xylophone-83824

08/15/2019, 9:20 AM
as unknown as gcp.compute.Subnetwork;
works, but I agree that exporting just ID might be better
I've found why it is like this. Basically 
pulumi.Output<Resource>
leaves it with 
OutputInstance<Resource>
without 
& Lifted<T>
part, that is because of https://github.com/pulumi/pulumi/blob/8fd05fcd9fbd1480c01726b4fc7fcf158e611f99/sdk/nodejs/output.ts#L685 which skips recursing into object properties with 
LiftedObject
. pulumi.Output<Pick<Resource, 'id'>> works because that 
extends Resource<T>
becomes false and it recurses
I'll create an issue for you to decide whether it is a bug , but it is definitely a usability problem
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