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Additional tests for failures in provider.go Create #2710

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merged 1 commit into from
Dec 10, 2024

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VenelinMartinov
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@VenelinMartinov VenelinMartinov commented Dec 10, 2024

Additional tests for failure modes in provider.go's Create method. This would have caught #2706

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VenelinMartinov commented Dec 10, 2024

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codecov bot commented Dec 10, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.49%. Comparing base (57aedeb) to head (6aa8ff8).
Report is 1 commits behind head on master.

Additional details and impacted files
@@            Coverage Diff             @@
##           master    #2710      +/-   ##
==========================================
+ Coverage   69.46%   69.49%   +0.02%     
==========================================
  Files         301      301              
  Lines       38644    38644              
==========================================
+ Hits        26845    26856      +11     
+ Misses      10275    10267       -8     
+ Partials     1524     1521       -3     

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Base automatically changed from expose-providerserverfrominfo to master December 10, 2024 15:49
@VenelinMartinov VenelinMartinov force-pushed the additional-tests-for-failures-in branch from 4b6e72f to 6aa8ff8 Compare December 10, 2024 15:50
@VenelinMartinov VenelinMartinov enabled auto-merge (squash) December 10, 2024 15:50
@VenelinMartinov VenelinMartinov merged commit 1506028 into master Dec 10, 2024
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@VenelinMartinov VenelinMartinov deleted the additional-tests-for-failures-in branch December 10, 2024 16:43
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This PR has been shipped in release v3.97.1.

VenelinMartinov added a commit that referenced this pull request Dec 11, 2024
In the SDKv2 bridge under PlanResourceChange we are not passing any
state we receive during TF Apply back to the engine if we also received
an error. This causes us to incorrectly miss any resources which were
created but encountered errors during the creation process. The engine
should see these as ResourceInitError, which allows the engine to
attempt to update the partially created resource on the next up.

This PR fixes the issue by passing the state down to the engine in the
case when we receive an error and a non-nil state from TF during Apply.

This is the second attempt at this. The first was
#2695 but was
reverted because it caused a different panic:
#2706. We added
a regression test for that in
#2710

The reason for that panic was that we were now creating a non-nil
`InstanceState` with a nil `stateValue` which causes the `ID` function
to panic. This PR fixes both issues by not allowing non-nil states with
nil `stateValue`s and by preventing the panic in `ID`.

There was also a bit of fun with go nil interfaces along the way, which
is the reason why `ApplyResourceChange` now returns a
`shim.InstanceState` interface instead of a `*v2InstanceState2`.
Otherwise we end up creating a non-nil interface with a nil value.

related to pulumi/pulumi-gcp#2700
related to pulumi/pulumi-aws#4759

fixes #2696
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3 participants