core: Fix handling of individual map keys in ignore_changes#21788
Merged
apparentlymart merged 2 commits intomasterfrom Jun 19, 2019
Merged
core: Fix handling of individual map keys in ignore_changes#21788apparentlymart merged 2 commits intomasterfrom
apparentlymart merged 2 commits intomasterfrom
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This includes a fix to make sure that an expression with a static string index, like foo["bar"], will be parsed as a traversal rather than as a dynamic index expression.
This also includes a previously-missing test that verifies the behavior described here, implemented as a planning context test for consistency with how the other ignore_changes tests are handled.
jbardin
approved these changes
Jun 18, 2019
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@apparentlymart This PR does not fix the issue #21433 |
ghost
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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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For Terraform 0.12 we had intended to start supporting ignoring individual map keys such as individual tags in a tags map. Unfortunately some later changes to HCL's parser inadvertently broke that behavior, so at release referring to a map key in
ignore_changeswould lead to an error:The main fix here was in HCL itself, so this PR begins with a vendor update to include that fix, but then also includes a documentation update to explain how this works and the addition/removal caveat that applies to it, along with a test for this specific behavior to reduce the risk of this inadvertently regressing again in the future.
This closes #6632 and closes #21433.