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Add --print-json flag for VPC and DataPlane stacks #3148

merged 2 commits into from Aug 22, 2019


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rbreslow commented Aug 21, 2019


  • Do not update DataPlane stack as a part of a launch-stacks run
  • Add --vpc and --data-plane flag which allow us to conditionally update these stacks
  • Add --print-json flag which prints stack JSON

These changes will allow us to update the VPC and DataPlane stacks by hand using CloudFormation change sets (which provide an increase in visibility).

Connects #3114

Testing Instructions

Setup the virtualenv for majorkirby:

python2 -m virtualenv ./env
source ./env/bin/activate
pip install -r requirements.txt

Verify that valid JSON is returned for both stacks:

./ launch-stacks \
    --aws-profile mmw-stg \
    --mmw-config-path default.yml \
    --mmw-profile staging \
    --vpc \
./ launch-stacks \
    --aws-profile mmw-stg \
    --mmw-config-path default.yml \
    --mmw-profile staging \
    --data-plane \
@rbreslow rbreslow requested a review from hectcastro Aug 21, 2019
@rbreslow rbreslow self-assigned this Aug 21, 2019
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hectcastro left a comment

Might be good to add a note about this functionality in the deployment README as well. 👍

@rbreslow rbreslow merged commit a561f86 into develop Aug 22, 2019
@rbreslow rbreslow deleted the feature/jrb/json-stacks branch Aug 22, 2019
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