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This PR introduces a new blog post detailing the implementation of a custom ConfigMap revision system in Kubernetes using Pulumi's ConfigMapPatch and owner references. The solution addresses challenges faced during canary deployments, particularly with AWS Spot instances, by leveraging Kubernetes' garbage collection mechanism for automatic cleanup of ConfigMaps.

Key highlights:

  • Overview of the problem with existing ConfigMap behavior during canary deployments
  • Detailed explanation of the solution using owner references and ConfigMapPatch
  • Code examples demonstrating the implementation
  • Benefits of the approach, including revision control and canary safety

Additionally, a meta image for the blog post has been added.

…h Pulumi and Argo Rollouts

This commit introduces a new blog post detailing the implementation of a custom ConfigMap revision system in Kubernetes using Pulumi's ConfigMapPatch and owner references. The solution addresses challenges faced during canary deployments, particularly with AWS Spot instances, by leveraging Kubernetes' garbage collection mechanism for automatic cleanup of ConfigMaps.

Key highlights:
- Overview of the problem with existing ConfigMap behavior during canary deployments
- Detailed explanation of the solution using owner references and ConfigMapPatch
- Code examples demonstrating the implementation
- Benefits of the approach, including revision control and canary safety

Additionally, a meta image for the blog post has been added.
@jkodroff
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@matanbaruch Deepest apologies for this PR sitting for so long without any followup. I've alerted a few folks internally to your post and you should see some action on it soon.

@pulumi pulumi deleted a comment from claude bot Oct 22, 2025
@EronWright EronWright self-requested a review October 23, 2025 05:06
@jkodroff jkodroff self-assigned this Oct 23, 2025
@jkodroff jkodroff removed their assignment Oct 24, 2025
@matanbaruch
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@matanbaruch Deepest apologies for this PR sitting for so long without any followup. I've alerted a few folks internally to your post and you should see some action on it soon.

Any update on this?

@CamSoper CamSoper requested review from CamSoper and removed request for EronWright January 6, 2026 18:03
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@adamgordonbell adamgordonbell left a comment

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Sorry on the delay. If we can bump the publish date and make the description of the replacement value a bit more precise, then lets publish it.

matanbaruch and others added 2 commits January 7, 2026 04:11
Co-authored-by: Adam Gordon Bell <[email protected]>
Co-authored-by: Adam Gordon Bell <[email protected]>
@matanbaruch
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Sorry on the delay. If we can bump the publish date and make the description of the replacement value a bit more precise, then lets publish it.

@adamgordonbell Done

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@adamgordonbell adamgordonbell left a comment

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Lgtm

@matanbaruch
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@adamgordonbell Do we know why it failed?

@adamgordonbell adamgordonbell merged commit 0fa9300 into pulumi:master Jan 7, 2026
10 of 11 checks passed
@adamgordonbell
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@matanbaruch nothing that is your issue. Merged! Thanks for your contribution!

@claude claude bot mentioned this pull request Jan 8, 2026
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4 participants