helm: Allow templating of RBD striping parameters

Allow templating of stripeUnit, stripeCount and objectSize storageClass parameters in ceph-csi-rbd chart Signed-off-by: Kingsley Jarrett <kj@kingj.net>
ceph · Nov 9, 2023 · 0a53b0d · 0a53b0d
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diff --git a/charts/ceph-csi-rbd/README.md b/charts/ceph-csi-rbd/README.md
@@ -204,6 +204,9 @@ charts and their default values.
 | `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.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                                                                                                                   | `""`                                               |
 | `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`                                   |

diff --git a/charts/ceph-csi-rbd/templates/storageclass.yaml b/charts/ceph-csi-rbd/templates/storageclass.yaml
@@ -51,6 +51,15 @@ parameters:
 {{- end }}
 {{- if .Values.storageClass.unmapOptions }}
   unmapOptions: {{ .Values.storageClass.unmapOptions }}
+{{- end }}
+{{- if .Values.storageClass.stripeUnit }}
+  stripeUnit: {{ .Values.storageClass.stripeUnit | quote }}
+{{- end }}
+{{- if .Values.storageClass.stripeCount }}
+  stripeCount: {{ .Values.storageClass.stripeCount | quote }}
+{{- end }}
+{{- if .Values.storageClass.objectSize }}
+  objectSize: {{ .Values.storageClass.objectSize | quote }}
 {{- end }}
   csi.storage.k8s.io/provisioner-secret-name: {{ .Values.storageClass.provisionerSecret }}
 {{- if .Values.storageClass.provisionerSecretNamespace }}

diff --git a/charts/ceph-csi-rbd/values.yaml b/charts/ceph-csi-rbd/values.yaml
@@ -424,6 +424,22 @@ storageClass:
   # unmapOptions: "krbd:force;nbd:force"
   unmapOptions: ""
 
+  # (optional) stripe unit in bytes
+  # If set, stripeCount must also be specified
+  # For defaults, refer to
+  # https://docs.ceph.com/en/latest/man/8/rbd/#striping
+  stripeUnit: ""
+
+  # (optional) number of objects to stripe over before looping
+  # If set, stripeUnit must also be specified
+  # For defaults, refer to
+  # https://docs.ceph.com/en/latest/man/8/rbd/#striping
+  stripeCount: ""
+
+  # (optional) object size in bytes
+  # If set, must be a power of 2
+  objectSize: ""
+
   # The secrets have to contain Ceph credentials with required access
   # to the 'pool'.
   provisionerSecret: csi-rbd-secret