🌱 Add fsnotify watcher+polling #3050
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: vincepri The full list of commands accepted by this bot can be found here. The pull request process is described here
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Signed-off-by: Vince Prignano <[email protected]>
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Thx! /lgtm /hold I also opened cherry-pick PRs: |
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LGTM label has been added. Git tree hash: e7a11ee4ce9104ed2ba2a5277bebca01c13f1d2f
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This was referenced Dec 31, 2024
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This PR adds fsnotify back to the cert-watcher.
This helps in cases where fsnotify works and that depend on an instant certificate reload.
For example if the webhook certificate is directly used as caBundle in MutatingWebhookConfigurations / ValidatingWebhookConfigurations / CRDs.
Please note: It is highly recommended to use a CA (that is used as caBundle in MutatingWebhookConfigurations / ValidatingWebhookConfigurations / CRDs) and a separate serving certificate using that CA. So during serving cert rotation both the old and new certificate are valid. In that case fsnotify is not required and a cert reload within 10 seconds is good enough.