terraform: remove pruning of module vars if they ref non-existing nodes #9898
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Fixes a shadow graph error found during usage. The new apply graph was only adding module variables that referenced data that existed _in the graph_. This isn't a valid optimization since the data it is referencing may be in the state with no diff, and therefore available but not in the graph. This just removes that optimization logic, which causes no failing tests. It also adds a test that exposes the bug if we had the pruning logic.
jbardin
approved these changes
Nov 7, 2016
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Fixes a shadow graph error found during usage.
This change only affects the new apply graph.
The new apply graph was only adding module variables that referenced
data that existed in the graph. This isn't a valid optimization since
the data it is referencing may be in the state with no diff, and
therefore available but not in the graph.
This just removes that optimization logic, which causes no failing
tests. It also adds a test that exposes the bug if we had the pruning
logic.