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fix instance replacement #19233

Merged
merged 4 commits into from
Nov 1, 2018
Merged

fix instance replacement #19233

merged 4 commits into from
Nov 1, 2018

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jbardin
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@jbardin jbardin commented Oct 31, 2018

Fields that were in the RequiresNew list must only be for object attributes. Trim off any trailing index steps from the set of paths.

Create a new proposed value when replacing an instance, using the null state and the config. This ensures that all unknown values are properly set.

Only GetAttrSteps can actually trigger RequiresNew, but the flatmaps
paths will point to the indexed value that caused the change.
Adding and removing a single map that requires a new resource can cause
empty diffs, relying on the core proposed state values for destruction.
When replacing an instance, calculate a new proposed value from the null
state and the config. This ensures that all unknown values are properly
set.
@jbardin jbardin requested a review from a team October 31, 2018 17:48
@jbardin jbardin merged commit e74f46d into master Nov 1, 2018
@paultyng paultyng deleted the jbardin/requires-new branch June 25, 2019 16:23
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ghost commented Jul 25, 2019

I'm going to lock this issue because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.

If you have found a problem that seems similar to this, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.

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