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rbd: added RBD features support for krbd

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Added support for `object-map, fast-diff`

Signed-off-by: Konstantin Shalygin <k0ste@k0ste.ru>
This commit is contained in:
Konstantin Shalygin 2021-09-16 13:38:04 +03:00 committed by mergify[bot]
parent 64ce5e0949
commit 7411773f73
5 changed files with 48 additions and 14 deletions
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9
charts/ceph-csi-rbd/values.yaml
View File

@ -284,10 +284,11 @@ storageClass:
thickProvision: false
# (required) RBD image features, CSI creates image with image-format 2
# CSI RBD currently supports `layering`, `journaling`, `exclusive-lock`
# features. If `journaling` is enabled, must enable `exclusive-lock` too.
# imageFeatures: layering,journaling,exclusive-lock
imageFeatures: layering
# CSI RBD currently supports `layering`, `journaling`, `exclusive-lock`,
# `object-map`, `fast-diff` features. If `journaling` is enabled, must
# enable `exclusive-lock` too.
# imageFeatures: layering,journaling,exclusive-lock,object-map,fast-diff
imageFeatures: "layering"
# (optional) Specifies whether to try other mounters in case if the current
# mounter fails to mount the rbd image for any reason. True means fallback

2
docs/deploy-rbd.md
View File

@ -55,7 +55,7 @@ make image-cephcsi
| `dataPool` | no | Ceph pool used for the data of the RBD images. |
| `volumeNamePrefix` | no | Prefix to use for naming RBD images (defaults to `csi-vol-`). |
| `snapshotNamePrefix` | no | Prefix to use for naming RBD snapshot images (defaults to `csi-snap-`). |
| `imageFeatures` | yes | RBD image features. CSI RBD currently supports `layering`, `journaling`, `exclusive-lock` features. If `journaling` is enabled, must enable `exclusive-lock` too. See [man pages](http://docs.ceph.com/docs/master/man/8/rbd/#cmdoption-rbd-image-feature) Note that the required support for [object-map and fast-diff were added in 5.3 and journaling does not have KRBD support yet](https://docs.ceph.com/en/latest/rbd/rbd-config-ref/#image-features). deep-flatten is added for cloned images. |
| `imageFeatures` | yes | RBD image features. CSI RBD currently supports `layering`, `journaling`, `exclusive-lock`, `object-map`, `fast-diff` features. If `journaling` is enabled, must enable `exclusive-lock` too. See [man pages](http://docs.ceph.com/docs/master/man/8/rbd/#cmdoption-rbd-image-feature) Note that the required support for [object-map and fast-diff were added in 5.3 and journaling does not have KRBD support yet](https://docs.ceph.com/en/latest/rbd/rbd-config-ref/#image-features). deep-flatten is added for cloned images. |
| `tryOtherMounters` | no | Specifies whether to try other mounters in case if the current mounter fails to mount the rbd image for any reason |
| `mapOptions` | no | Map options to use when mapping rbd image. See [krbd](https://docs.ceph.com/docs/master/man/8/rbd/#kernel-rbd-krbd-options) and [nbd](https://docs.ceph.com/docs/master/man/8/rbd-nbd/#options) options. |
| `unmapOptions` | no | Unmap options to use when unmapping rbd image. See [krbd](https://docs.ceph.com/docs/master/man/8/rbd/#kernel-rbd-krbd-options) and [nbd](https://docs.ceph.com/docs/master/man/8/rbd-nbd/#options) options. |

9
examples/rbd/storageclass.yaml
View File

@ -34,10 +34,11 @@ parameters:
# thickProvision: "false"
# (required) RBD image features, CSI creates image with image-format 2
# CSI RBD currently supports `layering`, `journaling`, `exclusive-lock`
# features. If `journaling` is enabled, must enable `exclusive-lock` too.
# imageFeatures: layering,journaling,exclusive-lock
imageFeatures: layering
# CSI RBD currently supports `layering`, `journaling`, `exclusive-lock`,
# `object-map`, `fast-diff` features. If `journaling` is enabled, must
# enable `exclusive-lock` too.
# imageFeatures: layering,journaling,exclusive-lock,object-map,fast-diff
imageFeatures: "layering"
# (optional) Specifies whether to try other mounters in case if the current
# mounter fails to mount the rbd image for any reason. True means fallback

10
internal/rbd/rbd_util.go
View File

@ -206,7 +206,15 @@ var (
needRbdNbd: false,
},
librbd.FeatureNameExclusiveLock: {
needRbdNbd: true,
needRbdNbd: false,
},
librbd.FeatureNameObjectMap: {
needRbdNbd: false,
dependsOn: []string{librbd.FeatureNameExclusiveLock},
},
librbd.FeatureNameFastDiff: {
needRbdNbd: false,
dependsOn: []string{librbd.FeatureNameObjectMap},
},
librbd.FeatureNameJournaling: {
needRbdNbd: true,

32
internal/rbd/rbd_util_test.go
View File

@ -88,21 +88,37 @@ func TestValidateImageFeatures(t *testing.T) {
false,
"",
},
{
"layering,exclusive-lock,object-map,fast-diff",
&rbdVolume{
Mounter: rbdDefaultMounter,
},
false,
"",
},
{
"layering,journaling",
&rbdVolume{
Mounter: rbdNbdMounter,
Mounter: rbdDefaultMounter,
},
true,
"feature journaling requires exclusive-lock to be set",
},
{
"layering,exclusive-lock,journaling",
"object-map,fast-diff",
&rbdVolume{
Mounter: rbdDefaultMounter,
},
true,
"feature exclusive-lock requires rbd-nbd for mounter",
"feature object-map requires exclusive-lock to be set",
},
{
"fast-diff",
&rbdVolume{
Mounter: rbdDefaultMounter,
},
true,
"feature fast-diff requires object-map to be set",
},
{
"layering,exclusive-lock,journaling",
@ -110,7 +126,15 @@ func TestValidateImageFeatures(t *testing.T) {
Mounter: rbdDefaultMounter,
},
true,
"feature exclusive-lock requires rbd-nbd for mounter",
"feature journaling requires rbd-nbd for mounter",
},
{
"layering,exclusive-lock,journaling",
&rbdVolume{
Mounter: rbdDefaultMounter,
},
true,
"feature journaling requires rbd-nbd for mounter",
},
{
"layering,exclusive-loc,journaling",