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doc: add upgrade documentation for v3.1.0
added upgrade documentation to upgrade from v3.0.0 to v3.1.0 Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
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Madhu Rajanna
mergify[bot]
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@ -2,10 +2,11 @@
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- [Ceph-csi Upgrade](#ceph-csi-upgrade)
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- [Pre-upgrade considerations](#pre-upgrade-considerations)
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- [RBD CSI Snapshot Incompatibility](#rbd-csi-snapshot-incompatibility)
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- [snapshot-controller and snapshot Beta CRD](#snapshot-controller-and-snapshot-beta-crd)
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- [Upgrading from v1.2 to v2.0](#upgrading-from-v12-to-v20)
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- [Upgrading from v2.0 to v2.1](#upgrading-from-v20-to-v21)
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- [Upgrading from v2.1 to v3.0](#upgrading-from-v21-to-v30)
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- [Upgrading from v3.0 to v3.1](#upgrading-from-v30-to-v31)
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- [Upgrading CephFS](#upgrading-cephfs)
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- [1. Upgrade CephFS Provisioner resources](#1-upgrade-cephfs-provisioner-resources)
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- [1.1 Update the CephFS Provisioner RBAC](#11-update-the-cephfs-provisioner-rbac)
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@ -18,7 +19,6 @@
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- [3. Upgrade RBD Provisioner resources](#3-upgrade-rbd-provisioner-resources)
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- [3.1 Update the RBD Provisioner RBAC](#31-update-the-rbd-provisioner-rbac)
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- [3.2 Update the RBD Provisioner deployment](#32-update-the-rbd-provisioner-deployment)
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- [3.3 Update snapshot CRD from Alpha to Beta](#33-update-snapshot-crd-from-alpha-to-beta)
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- [4. Upgrade RBD Nodeplugin resources](#4-upgrade-rbd-nodeplugin-resources)
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- [4.1 Update the RBD Nodeplugin RBAC](#41-update-the-rbd-nodeplugin-rbac)
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- [4.2 Update the RBD Nodeplugin daemonset](#42-update-the-rbd-nodeplugin-daemonset)
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@ -48,59 +48,13 @@ To avoid this issue in future upgrades, we recommend that you do not use the
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fuse client or rbd-nbd as of now.
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This guide will walk you through the steps to upgrade the software in a cluster
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from v2.1 to v3.0
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from v3.0 to v3.1
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### RBD CSI Snapshot Incompatibility
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### snapshot-controller and snapshot Beta CRD
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CSI snapshot is moved from Alpha to Beta and is not backward compatible. The snapshots
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created with the Alpha version must be deleted before the upgrade.
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Check if we have any `v1alpha1` CRD created in our kubernetes cluster, If there
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is no `v1alpha1` CRD created you can skip this step.
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```bash
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[$]kubectl get crd volumesnapshotclasses.snapshot.storage.k8s.io -o yaml |grep v1alpha1
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- name: v1alpha1
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- v1alpha1
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[$]kubectl get crd volumesnapshotcontents.snapshot.storage.k8s.io -o yaml |grep v1alpha1
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- name: v1alpha1
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- v1alpha1
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[$]kubectl get crd volumesnapshots.snapshot.storage.k8s.io -o yaml |grep v1alpha1
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- name: v1alpha1
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- v1alpha1
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```
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- List all the volumesnapshots created
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```bash
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[$] kubectl get volumesnapshot
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NAME AGE
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rbd-pvc-snapshot 22s
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```
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- Delete all volumesnapshots
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```bash
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[$] kubectl delete volumesnapshot rbd-pvc-snapshot
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volumesnapshot.snapshot.storage.k8s.io "rbd-pvc-snapshot" deleted
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```
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- List all volumesnapshotclasses created
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```bash
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[$] kubectl get volumesnapshotclass
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NAME AGE
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csi-rbdplugin-snapclass 86s
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```
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- Delete all volumesnapshotclasses
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```bash
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[$] kubectl delete volumesnapshotclass csi-rbdplugin-snapclass
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volumesnapshotclass.snapshot.storage.k8s.io "csi-rbdplugin-snapclass" deleted
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```
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*Note:* The underlying snapshots on the storage system will be deleted by ceph-csi
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Its kubernetes distributor responsibility to install new snapshot
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controller and snapshot beta CRD. more info can be found
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[here](https://github.com/kubernetes-csi/external-snapshotter/tree/master#usage)
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## Upgrading from v1.2 to v2.0
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@ -116,6 +70,12 @@ to upgrade from cephcsi v2.0 to v2.1
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## Upgrading from v2.1 to v3.0
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Refer
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[upgrade-from-v2.1-v3.0](https://github.com/ceph/ceph-csi/blob/v3.0.0/docs/ceph-csi-upgrade.md)
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to upgrade from cephcsi v2.1 to v3.0
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## Upgrading from v3.0 to v3.1
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**Ceph-csi releases from master are expressly unsupported.** It is strongly
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recommended that you use [official
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releases](https://github.com/ceph/ceph-csi/releases) of Ceph-csi. Unreleased
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@ -124,12 +84,12 @@ that will not be supported in the official releases. Builds from the master
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branch can have functionality changed and even removed at any time without
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compatibility support and without prior notice.
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git checkout v3.0.0 tag
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git checkout v3.1.0 tag
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```bash
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[$] git clone https://github.com/ceph/ceph-csi.git
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[$] cd ./ceph-csi
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[$] git checkout v3.0.0
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[$] git checkout v3.1.0
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```
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**Note:** While upgrading please Ignore warning messages from kubectl output
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@ -254,7 +214,7 @@ For each node:
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- The pod deletion causes the pods to be restarted and updated automatically
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on the node.
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we have successfully upgraded cephfs csi from v2.1 to v3.0
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we have successfully upgraded cephfs csi from v3.0 to v3.1
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### Upgrading RBD
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@ -297,41 +257,6 @@ csi-rbdplugin-provisioner 3/3 3 3 139m
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deployment UP-TO-DATE value must be same as READY
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##### 3.3 Update snapshot CRD from Alpha to Beta
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As we are updating the snapshot resources from `Alpha` to `Beta` we need to
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delete the old `alphav1` snapshot CRD created by external-snapshotter sidecar container
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Check if we have any `v1alpha1` CRD created in our kubernetes cluster
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```bash
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[$]kubectl get crd volumesnapshotclasses.snapshot.storage.k8s.io -o yaml |grep v1alpha1
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- name: v1alpha1
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- v1alpha1
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[$]kubectl get crd volumesnapshotcontents.snapshot.storage.k8s.io -o yaml |grep v1alpha1
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- name: v1alpha1
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- v1alpha1
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[$]kubectl get crd volumesnapshots.snapshot.storage.k8s.io -o yaml |grep v1alpha1
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- name: v1alpha1
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- v1alpha1
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```
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As we have `v1alpha1` CRD created in our kubernetes cluster,we need to delete
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the Alpha CRD
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```bash
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[$]kubectl delete crd volumesnapshotclasses.snapshot.storage.k8s.io
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customresourcedefinition.apiextensions.k8s.io "volumesnapshotclasses.snapshot.storage.k8s.io" deleted
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[$]kubectl delete crd volumesnapshotcontents.snapshot.storage.k8s.io
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customresourcedefinition.apiextensions.k8s.io "volumesnapshotcontents.snapshot.storage.k8s.io" deleted
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[$]kubectl delete crd volumesnapshots.snapshot.storage.k8s.io
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customresourcedefinition.apiextensions.k8s.io "volumesnapshots.snapshot.storage.k8s.io" deleted
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```
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**Note**: Its kubernetes distributor responsibility to install new snapshot
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controller and snapshot beta CRD. more info can be found
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[here](https://github.com/kubernetes-csi/external-snapshotter/tree/master#usage)
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#### 4. Upgrade RBD Nodeplugin resources
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Upgrading nodeplugin resources include updating the nodeplugin RBAC and
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@ -407,7 +332,7 @@ For each node:
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- The pod deletion causes the pods to be restarted and updated automatically
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on the node.
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we have successfully upgraded RBD csi from v2.1 to v3.0
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we have successfully upgraded RBD csi from v3.0 to v3.1
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### Handling node reboot hangs due to existing network mounts
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