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Blaine Gardner 4eb4fb7aa6 ceph mds: configure completely from operator 
Configure the Ceph mds daemon completely from the operator a la the
recent changes to the Ceph mon and mgr operators.

Create the mds deployments first and then
create the keyring secrets for them with their owner reference as the
corresponding deployment. This will mean that the secrets do not need to
be micromanaged. When the deployment is deleted, the secret is also
deleted. This has not been necessary for the mons or the manager since
the mons share a keyring with a lifespan of the cluster, as does the
mgr, which currently has single-mgr support only.

Signed-off-by: Blaine Gardner <blaine.gardner@suse.com>
2019-02-28 12:31:43 -07:00

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Major Themes

Action Required

Notable Features

Minio Object Stores

- Now have an additional label named `objectstore` with the name of the Object Store, to allow better selection for Services.
- Use `Readiness` and `Liveness` probes.
- Updated automatically on Object Store CRD changes.

Ceph

  • A CephNFS CRD will start NFS daemon(s) for exporting CephFS volumes or RGW buckets. See the NFS documentation.
  • Selinux labeling for mounts can now be toggled with the ROOK_ENABLE_SELINUX_RELABELING environment variable.
  • Recursive chown for mounts can now be toggled with the ROOK_ENABLE_FSGROUP environment variable.
  • Added the dashboard port configuration setting.
  • Added the dashboard ssl configuration setting.
  • Added Ceph CSI driver deployments on Kubernetes 1.13 and above.

Breaking Changes

  • Rook no longer supports Kubernetes 1.8 and 1.9.
  • Rook no longer supports running more than one monitor on the same node when hostNetwork and allowMultiplePerNode are true.
  • Rook Operator switches from Extensions v1beta1 to use Apps v1 API for DaemonSet and Deployment.

Ceph

  • Rook will no longer create a directory-based osd in the dataDirHostPath if no directories or devices are specified or if there are no disks on the host.
  • Containers in mon, mgr, and mds pods have been removed and/or changed names.
  • Config paths in mon, mgr, and mds containers are now always the Ceph default paths (/etc/ceph, /var/lib/ceph/...) regardless of the dataDirHostPath setting.

Known Issues

Deprecations

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