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command: terraform show -format=json #10665

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Closed

command: terraform show -format=json #10665

wants to merge 3 commits into from

Commits on Dec 12, 2016

  1. Annotate various types for JSON serialization 

    Making the plan, diff and configuration structures JSON-serializable
creates the possibility for machine-readable Terraform output of various
kinds.
    @apparentlymart
    apparentlymart committed Dec 12, 2016
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  2. Factor out state write preparation steps 

    There are some steps that get done before writing a state to disk.

Here we factor out those operations so that they can be used when a
state is included as part of another structure that is being serialized,
such as a plan.
    @apparentlymart
    apparentlymart committed Dec 12, 2016
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  3. terraform show -format=json 

    As a simple, non-intrusive way to get machine-readable plan output, add
a -format=json argument to the "terraform show" command. This then allows
external tools to interrogate plan files, e.g. to enforce additional
restrictions on what can be changed that Terraform itself is unable to
represent.

For completeness this also supports JSON-formatted state output, but of
course that is rather less interesting because the on-disk state file is
already in this same format.
    @apparentlymart
    apparentlymart committed Dec 12, 2016
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