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ceph-csi/charts/ceph-csi-rbd/README.md
Humble Chirammal 76ddf8e306 deploy: introduce new log level for sidecar controllers 
At present we have single log level configuration for all the containers
running for our CSI pods, which has been defaulted to log Level 5.
However this cause many logs to be spitted in a cluster and cause log
spamming to an extent. This commit introduce one more log level control
for CSI pods called sidecarLogLevel which defaults to log Level 1.

The sidecar controllers like snapshotter, resizer, attacher..etc has
been configured with this new log level and driver pods are with old
configruation value.

This allow us to have different configuration options for sidecar
constrollers and driver pods.

With this, we will also have a choice of different configuation setting
instead of locking onto one variable for the containers deployed via CSI driver.

To summarize the CSI containers maintained by Ceph CSI driver has log
level 5 and controllers/sidecars not maintained by Ceph CSI driver has
log level 1 configuration.

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
2022-07-28 08:31:37 +00:00

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# ceph-csi-rbd
The ceph-csi-rbd chart adds rbd volume support to your cluster.
## 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
cd charts
```
**Note:** charts directory is present in root of the ceph-csi project
### Install chart
To install the Chart into your Kubernetes cluster
- 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
```
After installation succeeds, you can get a status of Chart
```bash
helm status "ceph-csi-rbd"
```
### Delete Chart
If you want to delete your Chart, use this command
- 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"
```
If you want to delete the namespace, use this command
```bash
kubectl delete namespace ceph-csi-rbd
```
### Configuration
The following table lists the configurable parameters of the ceph-csi-cephfs
charts and their default values.
| 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 | [] |
| `csiMapping` | Configuration details of clusterID,PoolID,FscID mapping | [] |
| `encryptionKMSConfig` | Configuration for the encryption KMS | `{}` |
| `logLevel` | Set logging level for csi containers. Supported values from 0 to 5. 0 for general useful logs, 5 for trace level verbosity. | `5` |
| `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` |
| `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` |
| `nodeplugin.profiling.enabled` | Specifies whether profiling should be enabled | `false` |
| `nodeplugin.registrar.image.repository` | Node Registrar image repository URL | `registry.k8s.io/sig-storage/csi-node-driver-registrar` |
| `nodeplugin.registrar.image.tag` | Image tag | `v2.5.1` |
| `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` |
| `provisioner.clustername` | Cluster name to set on the RBD image | "" |
| `provisioner.setmetadata` | Set metadata on volume | `true` |
| `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` |
| `provisioner.enableHostNetwork` | Specifies whether hostNetwork is enabled for provisioner pod. | `false` |
| `provisioner.profiling.enabled` | Specifies whether profiling should be enabled | `false` |
| `provisioner.provisioner.image.repository` | Specifies the csi-provisioner image repository URL | `registry.k8s.io/sig-storage/csi-provisioner` |
| `provisioner.provisioner.image.tag` | Specifies image tag | `v3.2.1` |
| `provisioner.provisioner.image.pullPolicy` | Specifies pull policy | `IfNotPresent` |
| `provisioner.attacher.image.repository` | Specifies the csi-attacher image repository URL | `registry.k8s.io/sig-storage/csi-attacher` |
| `provisioner.attacher.image.tag` | Specifies image tag | `v3.5.0` |
| `provisioner.attacher.image.pullPolicy` | Specifies pull policy | `IfNotPresent` |
| `provisioner.attacher.name` | Specifies the name of csi-attacher sidecar | `attacher` |
| `provisioner.attacher.enabled` | Specifies whether attacher sidecar is enabled | `true` |
| `provisioner.resizer.image.repository` | Specifies the csi-resizer image repository URL | `registry.k8s.io/sig-storage/csi-resizer` |
| `provisioner.resizer.image.tag` | Specifies image tag | `v1.5.0` |
| `provisioner.resizer.image.pullPolicy` | Specifies pull policy | `IfNotPresent` |
| `provisioner.resizer.name` | Specifies the name of csi-resizer sidecar | `resizer` |
| `provisioner.resizer.enabled` | Specifies whether resizer sidecar is enabled | `true` |
| `provisioner.snapshotter.image.repository` | Specifies the csi-snapshotter image repository URL | `registry.k8s.io/sig-storage/csi-snapshotter` |
| `provisioner.snapshotter.image.tag` | Specifies image tag | `v6.0.1` |
| `provisioner.snapshotter.image.pullPolicy` | Specifies pull policy | `IfNotPresent` |
| `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 | `{}` |
| `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` |
| `cephLogDirHostPath` | Host path location for ceph client processes logging, ex: rbd-nbd | `/var/log/ceph` |
| `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` |
| `cephConfConfigMapName` | Name of the configmap which contains ceph.conf configuration | `ceph-config` |
| `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` |
| `storageClass.annotations` | Specifies the annotations for the rbd StorageClass | `[]` |
| `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` |
| `storageclass.tryOtherMounters` | Specifies whether to try other mounters in case if the current mounter fails to mount the rbd image for any reason | `false` |
| `storageClass.mounter` | Specifies RBD mounter | `""` |
| `storageClass.cephLogDir` | ceph client log location, it is the target bindmount path used inside container | `"/var/log/ceph"` |
| `storageClass.cephLogStrategy` | ceph client log strategy, available options `remove` or `compress` or `preserve` | `"remove"` |
| `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 | `""` |
| `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` |
| `selinuxMount` | Mount the host /etc/selinux inside pods to support selinux-enabled filesystems | `true` |
### 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
```
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