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# ceph-csi-rbd
The ceph-csi-rbd chart adds rbd volume support to your cluster.
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## Install from release repo
Add chart repository to install helm charts from it
```console
helm repo add ceph-csi https://ceph.github.io/csi-charts
```
## Install from local Chart
we need to enter into the directory where all charts are present
```console
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cd charts
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```
**Note:** charts directory is present in root of the ceph-csi project
### Install chart
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To install the Chart into your Kubernetes cluster
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- For helm 2.x
```bash
helm install --namespace "ceph-csi-rbd" --name "ceph-csi-rbd" ceph-csi/ceph-csi-rbd
```
- For helm 3.x
Create the namespace where Helm should install the components with
```bash
kubectl create namespace "ceph-csi-rbd"
```
Run the installation
```bash
helm install --namespace "ceph-csi-rbd" "ceph-csi-rbd" ceph-csi/ceph-csi-rbd
```
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After installation succeeds, you can get a status of Chart
```bash
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helm status --namespace "ceph-csi-rbd" "ceph-csi-rbd"
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```
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### Upgrade Chart
If you want to upgrade your Chart, use the following commands.
```bash
helm repo update ceph-csi
helm upgrade --namespace ceph-csi-rbd ceph-csi-rbd ceph-csi/ceph-csi-rbd
```
For upgrading to a specific version, provide the flag `--version` and the
version.
**Do not forget to include your values**, if they differ from the default values.
We recommend not to use `--reuse-values` in case there are new defaults AND
compare your currently used values with the new default values.
#### Known Issues Upgrading
- When upgrading to version >=3.7.0, you might encounter an error that the
RBD CSI Driver cannot be updated. Please refer to
[issue ](https://github.com/ceph/ceph-csi/issues/3397 ) for more details.
This is due to the CSIDriver resource not being updatable. To work around this
you can delete the CSIDriver object by running:
```bash
kubectl delete csidriver rbd.csi.ceph.com
```
Then rerun your `helm upgrade` command.
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### Delete Chart
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If you want to delete your Chart, use this command
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- For helm 2.x
```bash
helm delete --purge "ceph-csi-rbd"
```
- For helm 3.x
```bash
helm uninstall "ceph-csi-rbd" --namespace "ceph-csi-rbd"
```
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If you want to delete the namespace, use this command
```bash
kubectl delete namespace ceph-csi-rbd
```
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### Configuration
The following table lists the configurable parameters of the ceph-csi-cephfs
charts and their default values.
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| Parameter | Description | Default |
| ---------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------- |
| `rbac.create` | Specifies whether RBAC resources should be created | `true` |
| `serviceAccounts.nodeplugin.create` | Specifies whether a nodeplugin ServiceAccount should be created | `true` |
| `serviceAccounts.nodeplugin.name` | The name of the nodeplugin ServiceAccount to use. If not set and create is true, a name is generated using the fullname | "" |
| `serviceAccounts.provisioner.create` | Specifies whether a provisioner ServiceAccount should be created | `true` |
| `serviceAccounts.provisioner.name` | The name of the provisioner ServiceAccount to use. If not set and create is true, a name is generated using the fullname | "" |
| `csiConfig` | Configuration for the CSI to connect to the cluster | [] |
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| `csiMapping` | Configuration details of clusterID,PoolID,FscID mapping | [] |
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| `encryptionKMSConfig` | Configuration for the encryption KMS | `{}` |
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| `commonLabels` | Labels to apply to all resources | `{}` |
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| `logLevel` | Set logging level for csi containers. Supported values from 0 to 5. 0 for general useful logs, 5 for trace level verbosity. | `5` |
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| `sidecarLogLevel` | Set logging level for csi sidecar containers. Supported values from 0 to 5. 0 for general useful logs, 5 for trace level verbosity. | `1` |
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| `nodeplugin.name` | Specifies the nodeplugins name | `nodeplugin` |
| `nodeplugin.updateStrategy` | Specifies the update Strategy. If you are using ceph-fuse client set this value to OnDelete | `RollingUpdate` |
| `nodeplugin.priorityClassName` | Set user created priorityclassName for csi plugin pods. default is system-node-critical which is highest priority | `system-node-critical` |
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| `nodeplugin.imagePullSecrets` | Specifies imagePullSecrets for containers | `[]` |
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| `nodeplugin.profiling.enabled` | Specifies whether profiling should be enabled | `false` |
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| `nodeplugin.registrar.image.repository` | Node Registrar image repository URL | `registry.k8s.io/sig-storage/csi-node-driver-registrar` |
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| `nodeplugin.registrar.image.tag` | Image tag | `v2.10.1` |
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| `nodeplugin.registrar.image.pullPolicy` | Image pull policy | `IfNotPresent` |
| `nodeplugin.plugin.image.repository` | Nodeplugin image repository URL | `quay.io/cephcsi/cephcsi` |
| `nodeplugin.plugin.image.tag` | Image tag | `canary` |
| `nodeplugin.plugin.image.pullPolicy` | Image pull policy | `IfNotPresent` |
| `nodeplugin.nodeSelector` | Kubernetes `nodeSelector` to add to the Daemonset | `{}` |
| `nodeplugin.tolerations` | List of Kubernetes `tolerations` to add to the Daemonset | `{}` |
| `nodeplugin.podSecurityPolicy.enabled` | If true, create & use [Pod Security Policy resources ](https://kubernetes.io/docs/concepts/policy/pod-security-policy/ ). | `false` |
| `provisioner.name` | Specifies the name of provisioner | `provisioner` |
| `provisioner.replicaCount` | Specifies the replicaCount | `3` |
| `provisioner.defaultFSType` | Specifies the default Fstype | `ext4` |
| `provisioner.deployController` | It enables or disables the deployment of controller which generates the OMAP data if it is not present | `true` |
| `provisioner.hardMaxCloneDepth` | Hard limit for maximum number of nested volume clones that are taken before a flatten occurs | `8` |
| `provisioner.softMaxCloneDepth` | Soft limit for maximum number of nested volume clones that are taken before a flatten occurs | `4` |
| `provisioner.maxSnapshotsOnImage` | Maximum number of snapshots allowed on rbd image without flattening | `450` |
| `provisioner.minSnapshotsOnImage` | Minimum number of snapshots allowed on rbd image to trigger flattening | `250` |
| `provisioner.skipForceFlatten` | Skip image flattening if kernel support mapping of rbd images which has the deep-flatten feature | `false` |
| `provisioner.timeout` | GRPC timeout for waiting for creation or deletion of a volume | `60s` |
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| `provisioner.clustername` | Cluster name to set on the RBD image | "" |
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| `provisioner.setmetadata` | Set metadata on volume | `true` |
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| `provisioner.priorityClassName` | Set user created priorityclassName for csi provisioner pods. Default is `system-cluster-critical` which is less priority than `system-node-critical` | `system-cluster-critical` |
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| `provisioner.enableHostNetwork` | Specifies whether hostNetwork is enabled for provisioner pod. | `false` |
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| `provisioner.imagePullSecrets` | Specifies imagePullSecrets for containers | `[]` |
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| `provisioner.profiling.enabled` | Specifies whether profiling should be enabled | `false` |
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| `provisioner.provisioner.image.repository` | Specifies the csi-provisioner image repository URL | `registry.k8s.io/sig-storage/csi-provisioner` |
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| `provisioner.provisioner.image.tag` | Specifies image tag | `v4.0.1` |
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| `provisioner.provisioner.image.pullPolicy` | Specifies pull policy | `IfNotPresent` |
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| `provisioner.provisioner.image.extraArgs` | Specifies extra arguments for the provisioner sidecar | `[]` |
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| `provisioner.snapshotter.args.enableVolumeGroupSnapshots` | enables the creation of volume group snapshots | `false` |
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| `provisioner.attacher.image.repository` | Specifies the csi-attacher image repository URL | `registry.k8s.io/sig-storage/csi-attacher` |
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| `provisioner.attacher.image.tag` | Specifies image tag | `v4.5.` |
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| `provisioner.attacher.image.pullPolicy` | Specifies pull policy | `IfNotPresent` |
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| `provisioner.attacher.image.extraArgs` | Specifies extra arguments for the attacher sidecar | `[]` |
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| `provisioner.attacher.name` | Specifies the name of csi-attacher sidecar | `attacher` |
| `provisioner.attacher.enabled` | Specifies whether attacher sidecar is enabled | `true` |
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| `provisioner.resizer.image.repository` | Specifies the csi-resizer image repository URL | `registry.k8s.io/sig-storage/csi-resizer` |
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| `provisioner.resizer.image.tag` | Specifies image tag | `v1.10.1` |
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| `provisioner.resizer.image.pullPolicy` | Specifies pull policy | `IfNotPresent` |
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| `provisioner.resizer.image.extraArgs` | Specifies extra arguments for the resizer sidecar | `[]` |
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| `provisioner.resizer.name` | Specifies the name of csi-resizer sidecar | `resizer` |
| `provisioner.resizer.enabled` | Specifies whether resizer sidecar is enabled | `true` |
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| `provisioner.snapshotter.image.repository` | Specifies the csi-snapshotter image repository URL | `registry.k8s.io/sig-storage/csi-snapshotter` |
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| `provisioner.snapshotter.image.tag` | Specifies image tag | `v7.0.2` |
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| `provisioner.snapshotter.image.pullPolicy` | Specifies pull policy | `IfNotPresent` |
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| `provisioner.snapshotter.image.extraArgs` | Specifies extra arguments for the snapshotter sidecar | `[]` |
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| `provisioner.nodeSelector` | Specifies the node selector for provisioner deployment | `{}` |
| `provisioner.tolerations` | Specifies the tolerations for provisioner deployment | `{}` |
| `provisioner.affinity` | Specifies the affinity for provisioner deployment | `{}` |
| `provisioner.podSecurityPolicy.enabled` | Specifies whether podSecurityPolicy is enabled | `false` |
| `topology.enabled` | Specifies whether topology based provisioning support should be exposed by CSI | `false` |
| `topology.domainLabels` | DomainLabels define which node labels to use as domains for CSI nodeplugins to advertise their domains | `{}` |
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| `readAffinity.enabled` | Enable read affinity for RBD volumes. Recommended to set to true if running kernel 5.8 or newer. | `false` |
| `readAffinity.crushLocationLabels` | Define which node labels to use as CRUSH location. This should correspond to the values set in the CRUSH map. For more information, click [here ](https://github.com/ceph/ceph-csi/blob/v3.9.0/docs/deploy-rbd.md#read-affinity-using-crush-locations-for-rbd-volumes )| `[]` |
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| `provisionerSocketFile` | The filename of the provisioner socket | `csi-provisioner.sock` |
| `pluginSocketFile` | The filename of the plugin socket | `csi.sock` |
| `kubeletDir` | kubelet working directory | `/var/lib/kubelet` |
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| `cephLogDirHostPath` | Host path location for ceph client processes logging, ex: rbd-nbd | `/var/log/ceph` |
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| `driverName` | Name of the csi-driver | `rbd.csi.ceph.com` |
| `configMapName` | Name of the configmap which contains cluster configuration | `ceph-csi-config` |
| `externallyManagedConfigmap` | Specifies the use of an externally provided configmap | `false` |
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| `cephConfConfigMapName` | Name of the configmap which contains ceph.conf configuration | `ceph-config` |
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| `kmsConfigMapName` | Name of the configmap used for encryption kms configuration | `ceph-csi-encryption-kms-config` |
| `storageClass.create` | Specifies whether the StorageClass should be created | `false` |
| `storageClass.name` | Specifies the rbd StorageClass name | `csi-rbd-sc` |
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| `storageClass.annotations` | Specifies the annotations for the rbd StorageClass | `[]` |
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| `storageClass.clusterID` | String representing a Ceph cluster to provision storage from | `<cluster-ID>` |
| `storageClass.dataPool` | Specifies the erasure coded pool | `""` |
| `storageClass.pool` | Ceph pool into which the RBD image shall be created | `replicapool` |
| `storageclass.imageFeatures` | Specifies RBD image features | `layering` |
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| `storageclass.tryOtherMounters` | Specifies whether to try other mounters in case if the current mounter fails to mount the rbd image for any reason | `false` |
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| `storageclass.mkfsOptions` | Options to pass to the `mkfs` command while creating the filesystem on the RBD device | `""` |
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| `storageClass.mounter` | Specifies RBD mounter | `""` |
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| `storageClass.cephLogDir` | ceph client log location, it is the target bindmount path used inside container | `"/var/log/ceph"` |
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| `storageClass.cephLogStrategy` | ceph client log strategy, available options `remove` or `compress` or `preserve` | `"remove"` |
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| `storageClass.volumeNamePrefix` | Prefix to use for naming RBD images | `""` |
| `storageClass.encrypted` | Specifies whether volume should be encrypted. Set it to true if you want to enable encryption | `""` |
| `storageClass.encryptionKMSID` | Specifies the encryption kms id | `""` |
| `storageClass.topologyConstrainedPools` | Add topology constrained pools configuration, if topology based pools are setup, and topology constrained provisioning is required | `[]` |
| `storageClass.mapOptions` | Specifies comma-separated list of map options | `""` |
| `storageClass.unmapOtpions` | Specifies comma-separated list of unmap options | `""` |
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| `storageClass.stripeUnit` | Specifies the stripe unit in bytes | `""` |
| `storageClass.stripeCount` | Specifies the number of objects to stripe over before looping | `""` |
| `storageClass.objectSize` | Specifies the object size in bytes | `""` |
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| `storageClass.provisionerSecret` | The secrets have to contain user and/or Ceph admin credentials. | `csi-rbd-secret` |
| `storageClass.provisionerSecretNamespace` | Specifies the provisioner secret namespace | `""` |
| `storageClass.controllerExpandSecret` | Specifies the controller expand secret name | `csi-rbd-secret` |
| `storageClass.controllerExpandSecretNamespace` | Specifies the controller expand secret namespace | `""` |
| `storageClass.nodeStageSecret` | Specifies the node stage secret name | `csi-rbd-secret` |
| `storageClass.nodeStageSecretNamespace` | Specifies the node stage secret namespace | `""` |
| `storageClass.fstype` | Specify the filesystem type of the volume | `ext4` |
| `storageClass.reclaimPolicy` | Specifies the reclaim policy of the StorageClass | `Delete` |
| `storageClass.allowVolumeExpansion` | Specifies whether volume expansion should be allowed | `true` |
| `storageClass.mountOptions` | Specifies the mount options for storageClass | `[]` |
| `secret.create` | Specifies whether the secret should be created | `false` |
| `secret.name` | Specifies the rbd secret name | `csi-rbd-secret` |
| `secret.userID` | Specifies the user ID of the rbd secret | `<plaintext ID>` |
| `secret.userKey` | Specifies the key that corresponds to the userID | `<Ceph auth key corresponding to ID above>` |
| `secret.encryptionPassphrase` | Specifies the encryption passphrase of the secret | `test_passphrase` |
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| `selinuxMount` | Mount the host /etc/selinux inside pods to support selinux-enabled filesystems | `true` |
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| `CSIDriver.fsGroupPolicy` | Specifies the fsGroupPolicy for the CSI driver object | `File` |
| `CSIDriver.seLinuxMount` | Specify for efficient SELinux volume relabeling | `true` |
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### Command Line
You can pass the settings with helm command line parameters.
Specify each parameter using the --set key=value argument to helm install.
For Example:
```bash
helm install --set configMapName=ceph-csi-config --set provisioner.podSecurityPolicy.enabled=true
```
