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Give certificates some NotBefore leeway for VMs clocks that lag host clocks #2823

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merged 1 commit into from
May 23, 2018
Merged

Give certificates some NotBefore leeway for VMs clocks that lag host clocks #2823

merged 1 commit into from
May 23, 2018

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ivan-section-io
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Addresses issue #2749

60 minutes selected anecdotally. I have seen tens of minutes in Host/VMs clock mismatch before - beyond that feels like an edge case.

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@k8s-ci-robot k8s-ci-robot added cncf-cla: no Indicates the PR's author has not signed the CNCF CLA. size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels May 19, 2018
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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: ivan-section-io
To fully approve this pull request, please assign additional approvers.
We suggest the following additional approver: r2d4

Assign the PR to them by writing /assign @r2d4 in a comment when ready.

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Can one of the admins verify this patch?

@k8s-ci-robot k8s-ci-robot added cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. and removed cncf-cla: no Indicates the PR's author has not signed the CNCF CLA. labels May 19, 2018
@ivan-section-io
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/assign @r2d4

dlorenc
dlorenc reviewed May 21, 2018
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pkg/util/crypto.go Outdated
@@ -44,7 +44,7 @@ func GenerateCACert(certPath, keyPath string, name string) error {
Subject: pkix.Name{
CommonName: name,
},
NotBefore: time.Now(),
NotBefore: time.Now().Add(time.Hour * -1),
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Thanks! What do you think about doing a whole day here, to help out in the case of timezone issues?

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I think that's likely a great idea (aspect I hadn't considered).
I'll update the PR.

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dlorenc commented May 21, 2018

@minikube-bot OK to test

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@dlorenc I like the 1 day for possible timezone issues.
PR updated & commits squashed

@dlorenc dlorenc merged commit 4bdba1f into kubernetes:master May 23, 2018
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@dlorenc dlorenc dlorenc approved these changes

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