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[squash] Add feature gate

This commit is contained in:
Jan Safranek 2017-08-01 12:46:34 +02:00
parent baf0dcb0bd
commit 67cd544372
1 changed files with 6 additions and 8 deletions
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contributors/design-proposals/propagation.md
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@ -162,8 +162,8 @@ and something prevents it from starting if `/sys` is shared.
## Decision
* We will take 'Add an option in VolumeMount API' (with an annotation during
alpha instead of real VolumeMount field):
* We will take 'Add an option in VolumeMount API'
* With an alpha feature gate in 1.8.
* With validation that it can be used only with HostPath volumes.
* With validation that shared propagation can be used only in privileged
containers.
@ -181,13 +181,11 @@ and something prevents it from starting if `/sys` is shared.
* Node conformance suite will check that mount propagation in /var/lib/kubelet
works.
* During alpha, all the behavior above must be explicitly enabled by
`kubelet --experimental-enable-mount-propagation`
`kubelet --feature-gates=MountPropagation=true`
It will be used only for testing of volume plugins in e2e tests and
it will be marked as deprecated from the beginning.
Developers / testers can enable it in their clusters manually.
Mount propagation may be redesigned or even removed in any future release.
* The default mount propagation will be `rslave`, which is different to current
`private`. Extensive testing is needed!
* When the feature is enabled the default mount propagation will be `rslave`,
which is different to current `private`. Extensive testing is needed!
## Extra Concerns