Add documentation about Quobyte dynamic provisioning

docs/user-guide/persistent-volumes/index.md

@@ -448,6 +448,38 @@ parameters:
   $ kubectl create secret ceph-secret --type="kubernetes.io/rbd" --from-literal=key='QVFEQ1pMdFhPUnQrSmhBQUFYaERWNHJsZ3BsMmNjcDR6RFZST0E9PQ==' --namespace=kube-system
   ```
 
+#### Quobyte
+
+```yaml
+apiVersion: storage.k8s.io/v1beta1
+kind: StorageClass
+metadata:
+   name: slow
+provisioner: kubernetes.io/quobyte
+parameters:
+    quobyteAPIServer: "http://138.68.74.142:7860"
+    registry: "138.68.74.142:7861"
+    adminSecretName: "quobyte-admin-secret"
+    adminSecretNamespace: "kube-system"
+    user: "root"
+    group: "root"
+    quobyteConfig: "BASE"
+    quobyteTenant: "DEFAULT"
+```
+
+* `quobyteAPIServer`: API Server of Quobyte in the format `http(s)://api-server:7860`
+* `registry`: Quobyte registry to use to mount the volume. You can specifiy the registry as ``<host>:<port>`` pair or if you want to specify multiple registries you just have to put a comma between them e.q. ``<host1>:<port>,<host2>:<port>,<host3>:<port>``. The host can be an IP address or if you have a working DNS you can also provide the DNS names.
+* `adminSecretNamespace`: The namespace for `adminSecretName`. Default is "default".
+* `adminSecretName`: secret that holds information about the Quobyte user and the password to authenticate agains the API server. The provided secret must have type "kubernetes.io/quobyte", e.g. created in this way:
+  ```
+  $ kubectl create secret quobyte-admin-secret --type="kubernetes.io/quobyte" --from-literal=key='opensesame' --namespace=kube-system
+  ```
+* `user`: maps all access to this user. Default is "root".
+* `group`: maps all access to this group. Default is "nfsnobody".
+* `quobyteConfig`: use the specified configuration to create the volume. You can create a new configuration or modify an existing one with the Web console or the quobyte CLI. Default is "BASE".
+* `quobyteTenant`: use the specified tenant ID to create/delete the volume. This Quobyte tenant has to be already present in Quobyte. Default is "DEFAULT".
+
+
 ## Writing Portable Configuration
 
 If you're writing configuration templates or examples that run on a wide range of clusters