068cdaa56c
Since docker 18.09, the ServerVersion field format changed: the `-ce`
or `-ee` suffix disappeared:
- docker 18.06: `18.06.1-ce`
- docker 18.09: `18.09.0`
This was not expected by the docker_validator version regexp, which
assumed newer docker versions ended with `-[a-z]{2}`.
This made the validator return an error, whereas we expect it to
return only a warning (by recognizing it as a newer but not yet
supported docker version).
This commit relax the version regexp to also recognize `18.09.0`.
The docker validator now returns a warning, as tested.
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| .. | ||
| apis/kubeadm | ||
| cmd | ||
| componentconfigs | ||
| constants | ||
| discovery | ||
| features | ||
| images | ||
| phases | ||
| preflight | ||
| util | ||
| BUILD | ||
| kubeadm.go | ||