49d3b9e6b3
* Fix the last minor issue for Fedora CoreOS clusters to pass CNCF's Kubernetes conformance tests * Kubelet supports a seldom used feature `kubectl logs --limit-bytes=N` to trim a log stream to a desired length. Kubelet handles this in the CRI driver. The Kubelet docker shim only supports the limit bytes feature when Docker is configured with the default `json-file` logging driver * CNCF conformance tests started requiring limit-bytes be supported, indirectly forcing the log driver choice until either the Kubelet or the conformance tests are fixed * Fedora CoreOS defaults Docker to use `journald` (desired). For now, as a workaround to offer conformant clusters, the log driver can be set back to `json-file`. RHEL CoreOS likely won't have noticed the non-conformance since its using crio runtime * https://github.com/kubernetes/kubernetes/issues/86367 Note: When upstream has a fix, the aim is to drop the docker config override and use the journald default |
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