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doc: add nfs upgrade guide from 3.6 to 3.7

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This commit adds nfs upgrade guide from 3.6
to 3.7.

Closes: #3271

Signed-off-by: Rakshith R <rar@redhat.com>
This commit is contained in:
Rakshith R 2022-08-19 09:47:41 +05:30 committed by mergify[bot]
parent 8d3e63a2b2
commit 45f8232256
1 changed files with 77 additions and 0 deletions
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docs/ceph-csi-upgrade.md
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@ -24,6 +24,14 @@
- [4. Upgrade RBD Nodeplugin resources](#4-upgrade-rbd-nodeplugin-resources)
- [4.1 Update the RBD Nodeplugin RBAC](#41-update-the-rbd-nodeplugin-rbac)
- [4.2 Update the RBD Nodeplugin daemonset](#42-update-the-rbd-nodeplugin-daemonset)
- [Upgrading NFS](#upgrading-nfs)
- [5. Upgrade NFS Provisioner resources](#5-upgrade-nfs-provisioner-resources)
- [5.1 Update the NFS Provisioner RBAC](#51-update-the-nfs-provisioner-rbac)
- [5.2 Update the NFS Provisioner deployment](#52-update-the-nfs-provisioner-deployment)
- [6. Upgrade NFS Nodeplugin resources](#6-upgrade-nfs-nodeplugin-resources)
- [6.1 Update the NFS Nodeplugin RBAC](#61-update-the-nfs-nodeplugin-rbac)
- [6.2 Update the NFS Nodeplugin daemonset](#62-update-the-nfs-nodeplugin-daemonset)
- [6.3 Delete the old NFS Nodeplugin daemonset](#63-delete-the-old-nfs-nodeplugin-daemonset)
- [CSI Sidecar containers consideration](#csi-sidecar-containers-consideration)
## Pre-upgrade considerations
@ -291,6 +299,75 @@ service/csi-metrics-rbdplugin configured
we have successfully upgraded RBD csi from v3.6 to v3.7
### Upgrading NFS
Upgrading nfs csi includes upgrade of nfs driver and as well as
kubernetes sidecar containers and also the permissions required for the
kubernetes sidecar containers, lets upgrade the things one by one
#### 5. Upgrade NFS Provisioner resources
Upgrade provisioner resources include updating the provisioner RBAC and
Provisioner deployment
##### 5.1 Update the NFS Provisioner RBAC
```bash
$ kubectl apply -f deploy/nfs/kubernetes/csi-provisioner-rbac.yaml
serviceaccount/nfs-csi-provisioner configured
clusterrole.rbac.authorization.k8s.io/nfs-external-provisioner-runner configured
clusterrolebinding.rbac.authorization.k8s.io/nfs-csi-provisioner-role configured
role.rbac.authorization.k8s.io/nfs-external-provisioner-cfg configured
rolebinding.rbac.authorization.k8s.io/nfs-csi-provisioner-role-cfg configured
```
##### 5.2 Update the NFS Provisioner deployment
```bash
$ kubectl apply -f deploy/nfs/kubernetes/csi-nfsplugin-provisioner.yaml
service/csi-nfsplugin-provisioner configured
deployment.apps/csi-nfsplugin-provisioner configured
```
wait for the deployment to complete
```bash
$ kubectl get deployment
NAME READY UP-TO-DATE AVAILABLE AGE
csi-nfsplugin-provisioner 5/5 1 5 104m
```
deployment UP-TO-DATE value must be same as READY
#### 6. Upgrade NFS Nodeplugin resources
Upgrading nodeplugin resources include updating the nodeplugin RBAC and
nodeplugin daemonset
##### 6.1 Update the NFS Nodeplugin RBAC
```bash
$ kubectl apply -f deploy/nfs/kubernetes/csi-nodeplugin-rbac.yaml
serviceaccount/nfs-csi-nodeplugin configured
```
##### 6.2 Update the NFS Nodeplugin daemonset
```bash
$ kubectl apply -f deploy/nfs/kubernetes/csi-nfsplugin.yaml
daemonset.apps/csi-nfsplugin configured
service/csi-metrics-nfsplugin configured
```
##### 6.3 Delete the old NFS Nodeplugin daemonset
```bash
$ kubectl delete daemonsets.apps csi-nfs-node
daemonset.apps "csi-nfs-node" deleted
```
we have successfully upgraded nfs csi from v3.6 to v3.7
### CSI Sidecar containers consideration
With 3.2.0 version of ceph-csi we have updated the versions of CSI sidecar