- cephfs-provisioner 06fddbe2 (https://github.com/kubernetes-incubator/external-storage/tree/06fddbe2/ceph/cephfs)
Noteable changes from upstream:
- Added storage class parameters to specify a root path within the backing cephfs and, optionally, use deterministic directory and user names (https://github.com/kubernetes-incubator/external-storage/pull/696)
- Support capacity (https://github.com/kubernetes-incubator/external-storage/pull/770)
- Enable metrics server (https://github.com/kubernetes-incubator/external-storage/pull/797)
Other noteable changes:
- Clean up legacy manifests file naming
- Remove legacy manifests, namespace and storageclass before upgrade
- `cephfs_provisioner_monitors` simplified as string
- Default to new deterministic naming
- Add `reclaimPolicy` support in StorageClass
With legacy non-deterministic naming style (where $UUID are generated ramdonly):
- cephfs_provisioner_claim_root: /volumes/kubernetes
- cephfs_provisioner_deterministic_names: false
- Generated CephFS volume: /volumes/kubernetes/kubernetes-dynamic-pvc-$UUID
- Generated CephFS user: kubernetes-dynamic-user-$UUID
With new default deterministic naming style (where $NAMESPACE and $PVC are predictable):
- cephfs_provisioner_claim_root: /volumes
- cephfs_provisioner_deterministic_names: true
- Generated CephFS volume: /volumes/$NAMESPACE/$PVC
- Generated CephFS user: k8s.$NAMESPACE.$PVC
The number of pods on a given node is determined by the --max-pods=k
directive. When the address space is exhausted, no more pods can be
scheduled even if from the --max-pods-perspective, the node still has
capacity.
The special case that a pod is scheduled and uses the node IP in the
host network namespace is too "soft" to derive a guarantee.
Comparing kubelet_max_pods with kube_network_node_prefix when given
allows to assert that pod limits match the CIDR address space.
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