Add support for provider actions #3226
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Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## main #3226 +/- ##
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…ime (#20827) Influenced by adding [support for terraform actions](pulumi/pulumi-terraform-bridge#3226), but the idea is generally useful for pulumi invokes. With this providers can safely write side-effectful or mutating invokes as they can tell they're running at preview time and switch to not actually doing the mutating work. This should be particuarlly useful for invokes to be used in lifecycle hooks (which by default don't run at all at preview time, but can be flagged by the user if they're only using safe operations in the hook). It may transpire there are other useful cases for side-effectful operations outside lifecycle hooks, and this is general enough to allow those if they arise. --------- Co-authored-by: Thomas Gummerer <[email protected]>
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This adds support for terraform provider actions, exposing them as invokes. Every invoke takes the parameters for the action plus a resource URN so that we can log the action output messages against a specific resource.
The intention of these is to use them inside resource lifecycle hooks (where you'll have access to the resource URN), and is very similar to how terraform intends to use these actions. Of course being invokes users could also make use of these anywhere else as well, but as their generally mutating/side-effectful operations you probably don't want to do that.
This prototype currently has a "preview" flag being passed to the invoke as well. This is so we can call PlanAction rather than InvokeAction at preview time. I'm going to look at adding that directly to the engine-provider invoke interface as that would allow pulumi to have side-effectful invokes in general. (pulumi/pulumi#20827)