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[cephfs-provisioner] deprecate outdated application and documentation (#12113)

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* Cleanup: deprecated CephFS application

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

* Docs: Remove CephFS Application

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>

---------

Signed-off-by: ChengHao Yang <17496418+tico88612@users.noreply.github.com>
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ChengHao Yang
2025-04-08 18:08:39 +08:00
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@@ -52,7 +52,6 @@
* [Test Cases](/docs/developers/test_cases.md)
* [Vagrant](/docs/developers/vagrant.md)
* External Storage Provisioners
* [Cephfs Provisioner](/docs/external_storage_provisioners/cephfs_provisioner.md)
* [Local Volume Provisioner](/docs/external_storage_provisioners/local_volume_provisioner.md)
* [Rbd Provisioner](/docs/external_storage_provisioners/rbd_provisioner.md)
* [Scheduler Plugins](/docs/external_storage_provisioners/scheduler_plugins.md)

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docs/ansible/ansible.md
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@@ -65,7 +65,6 @@ The following tags are defined in playbooks:
| bootstrap-os | Anything related to host OS configuration |
| calico | Network plugin Calico |
| calico_rr | Configuring Calico route reflector |
| cephfs-provisioner | Configuring CephFS |
| cert-manager | Configuring certificate manager for K8s |
| cilium | Network plugin Cilium |
| cinder-csi-driver | Configuring csi driver: cinder |

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docs/external_storage_provisioners/cephfs_provisioner.md
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# CephFS Volume Provisioner for Kubernetes 1.5+
[![Docker Repository on Quay](https://quay.io/repository/external_storage/cephfs-provisioner/status "Docker Repository on Quay")](https://quay.io/repository/external_storage/cephfs-provisioner)
Using Ceph volume client
## Development
Compile the provisioner
``` console
make
```
Make the container image and push to the registry
``` console
make push
```
## Test instruction
- Start Kubernetes local cluster
See [Kubernetes](https://kubernetes.io/)
- Create a Ceph admin secret
``` bash
ceph auth get client.admin 2>&1 |grep "key = " |awk '{print $3'} |xargs echo -n > /tmp/secret
kubectl create ns cephfs
kubectl create secret generic ceph-secret-admin --from-file=/tmp/secret --namespace=cephfs
```
- Start CephFS provisioner
The following example uses `cephfs-provisioner-1` as the identity for the instance and assumes kubeconfig is at `/root/.kube`. The identity should remain the same if the provisioner restarts. If there are multiple provisioners, each should have a different identity.
``` bash
docker run -ti -v /root/.kube:/kube -v /var/run/kubernetes:/var/run/kubernetes --privileged --net=host cephfs-provisioner /usr/local/bin/cephfs-provisioner -master=http://127.0.0.1:8080 -kubeconfig=/kube/config -id=cephfs-provisioner-1
```
Alternatively, deploy it in kubernetes, see [deployment](deploy/README.md).
- Create a CephFS Storage Class
Replace Ceph monitor's IP in [example class](example/class.yaml) with your own and create storage class:
``` bash
kubectl create -f example/class.yaml
```
- Create a claim
``` bash
kubectl create -f example/claim.yaml
```
- Create a Pod using the claim
``` bash
kubectl create -f example/test-pod.yaml
```
## Known limitations
- Kernel CephFS doesn't work with SELinux, setting SELinux label in Pod's securityContext will not work.
- Kernel CephFS doesn't support quota or capacity, capacity requested by PVC is not enforced or validated.
- Currently each Ceph user created by the provisioner has `allow r` MDS cap to permit CephFS mount.
## Acknowledgement
Inspired by CephFS Manila provisioner and conversation with John Spray