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Signed outputs
Chains currently watches the outputs (resource or task) from TaskRuns, and signs these. Using a separate system to capture the final signed payload is an intentional decision to avoid the need to make cluster-level secrets accessible to the build process. This does require placing some trust in the Kubernetes control plane/data layer. Anyone with edit permission on pods in that namespace could forge or falsify taskrun outputs.
We could tighten this up a bit by adding another level of security, allowing Tasks to sign their own outputs, then validating those signatures before accepting the final payload.
This could look like:
- a new config option to require signed task outputs
- integration with SPIRE to provide workload credentials suitable for signing
- Chains can place a status back on the taskrun indicating that the results were all verified before the final output was signed, and indicate this in the resulting signature payloads.
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/lifecycle stale
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Stale issues rot after 30d of inactivity.
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Rotten issues close after an additional 30d of inactivity.
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/lifecycle rotten
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Rotten issues close after 30d of inactivity.
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/close
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@tekton-robot: Closing this issue.
In response to this:
Rotten issues close after 30d of inactivity. Reopen the issue with
/reopenwith a justification. Mark the issue as fresh with/remove-lifecycle rottenwith a justification. If this issue should be exempted, mark the issue as frozen with/lifecycle frozenwith a justification./close
Send feedback to tektoncd/plumbing.
Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.
@priyawadhwa: Reopened this issue.
In response to this:
/reopen /remove-lifecycle rotten
Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.
Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale with a justification.
Stale issues rot after an additional 30d of inactivity and eventually close.
If this issue is safe to close now please do so with /close with a justification.
If this issue should be exempted, mark the issue as frozen with /lifecycle frozen with a justification.
/lifecycle stale
Send feedback to tektoncd/plumbing.
Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten with a justification.
Rotten issues close after an additional 30d of inactivity.
If this issue is safe to close now please do so with /close with a justification.
If this issue should be exempted, mark the issue as frozen with /lifecycle frozen with a justification.
/lifecycle rotten
Send feedback to tektoncd/plumbing.
Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale with a justification.
Stale issues rot after an additional 30d of inactivity and eventually close.
If this issue is safe to close now please do so with /close with a justification.
If this issue should be exempted, mark the issue as frozen with /lifecycle frozen with a justification.
/lifecycle stale
Send feedback to tektoncd/plumbing.
Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale with a justification.
Stale issues rot after an additional 30d of inactivity and eventually close.
If this issue is safe to close now please do so with /close with a justification.
If this issue should be exempted, mark the issue as frozen with /lifecycle frozen with a justification.
/lifecycle stale
Send feedback to tektoncd/plumbing.
Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten with a justification.
Rotten issues close after an additional 30d of inactivity.
If this issue is safe to close now please do so with /close with a justification.
If this issue should be exempted, mark the issue as frozen with /lifecycle frozen with a justification.
/lifecycle rotten
Send feedback to tektoncd/plumbing.
Rotten issues close after 30d of inactivity.
Reopen the issue with /reopen with a justification.
Mark the issue as fresh with /remove-lifecycle rotten with a justification.
If this issue should be exempted, mark the issue as frozen with /lifecycle frozen with a justification.
/close
Send feedback to tektoncd/plumbing.
@tekton-robot: Closing this issue.
In response to this:
Rotten issues close after 30d of inactivity. Reopen the issue with
/reopenwith a justification. Mark the issue as fresh with/remove-lifecycle rottenwith a justification. If this issue should be exempted, mark the issue as frozen with/lifecycle frozenwith a justification./close
Send feedback to tektoncd/plumbing.
Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.
