Get rid of the list when parsing HCL maps for vars #9268
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When we parse a map from HCL, it's decoded into a list of maps because
HCL allows declaring a key multiple times to implicitly add it to a
list. Since there's no terraform variable configuration that supports
this structure, we can always flatten a []map[string]interface{} value
to a map[string]interface{} and remove any type rrors trying to apply
that value.
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Added a commit that does the same check on the output side, which now fixes #8384 |
A map value read from a config file will be the default
`[]map[string]interface{}` type decoded from HCL. Since this type can't
be applied to a variable, it's likely that it was a simple map. If
there's a single map value, we can pull that out of the slice during
Eval.
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LGTM but I'd like @jen20 to review this one as well so please poke at him to do so. :) |
mitchellh
approved these changes
Oct 13, 2016
jen20
approved these changes
Oct 13, 2016
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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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When we parse a map from HCL, it's decoded into a list of maps because
HCL allows declaring a key multiple times to implicitly add it to a
list. Since there's no terraform variable configuration that supports
this structure, we can always flatten a
[]map[string]interface{}valueto a
map[string]interface{}and remove any type errors trying to applythat value.
Fixes #8057