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You can just use the libraries in your language of choice to shell out to a command (or do anything else for that matter!). This is somewhat common in Pulumi. You can do this inside an

apply

on the outputs you depend on so that it runs at the right time, and can use pulumi.runtime.isDryRun() to skip doing it in preview if appropriate.

@white-balloon-205 There's no

apply

on custom resources like cluster role bindings. Is there a way to wait for those, too?

There's no 

apply

 on custom resources like cluster role bindings. Is there a way to wait for those, too?

Every property of the resource will be an

Output

with an

apply

. Pick the ones you depend on, and if there are more than one use

pulumi.all

.

Also, in TypeScript how can I turn a Promise from calling out to the shell into an Output<Resource> so I can use it in a dependsOn section?

pulumi.output(promise)

. Or if you return the promise from an

apply

callback, it will automatically get folded in to the

Output

returned from

apply

.