fix(core): DefaultSynthesizer deployments are never skipped#17099
Merged
mergify[bot] merged 5 commits intomasterfrom Oct 22, 2021
Merged
fix(core): DefaultSynthesizer deployments are never skipped#17099mergify[bot] merged 5 commits intomasterfrom
DefaultSynthesizer deployments are never skipped#17099mergify[bot] merged 5 commits intomasterfrom
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The `DefaultSynthesizer` always adds an SSM parameter with the bootstrap stack version, so that it can check that the bootstrap stack has a recent enough version. Unfortunately, the CDK CLI will refuse to short-circuit any deployment that uses SSM parameters, because it can't tell if the parameter has changed, and so it has to pessimize. Adding a magic marker to the description of the parameter will now exempt it from the check. Fixes #16959.
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njlynch
reviewed
Oct 21, 2021
| const param = new CfnParameter(stack, 'BootstrapVersion', { | ||
| type: 'AWS::SSM::Parameter::Value<String>', | ||
| description: 'Version of the CDK Bootstrap resources in this environment, automatically retrieved from SSM Parameter Store.', | ||
| description: `Version of the CDK Bootstrap resources in this environment, automatically retrieved from SSM Parameter Store. ${cxapi.SSMPARAM_NO_INVALIDATE}`, |
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I think the pipelines integ tests (e.g., https://github.com/aws/aws-cdk/blob/master/packages/%40aws-cdk/pipelines/test/integ.newpipeline.expected.json#L2306) are going to need an update.
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) The `DefaultSynthesizer` always adds an SSM parameter with the bootstrap stack version, so that it can check that the bootstrap stack has a recent enough version. Unfortunately, the CDK CLI will refuse to short-circuit any deployment that uses SSM parameters, because it can't tell if the parameter has changed, and so it has to pessimize. Adding a magic marker to the description of the parameter will now exempt it from the check. Fixes aws#16959. ---- *By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*
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The
DefaultSynthesizeralways adds an SSM parameter with the bootstrapstack version, so that it can check that the bootstrap stack has
a recent enough version.
Unfortunately, the CDK CLI will refuse to short-circuit any deployment
that uses SSM parameters, because it can't tell if the parameter has
changed, and so it has to pessimize.
Adding a magic marker to the description of the parameter will now
exempt it from the check.
Fixes #16959.
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license