github/kubernetes
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

CSIStorageCapacity: CSIStorageCapacity API

Browse Source 
This adds the CSIStorageCapacity API change for
https://github.com/kubernetes/enhancements/tree/master/keps/sig-storage/1472-storage-capacity-tracking
This commit is contained in:
Patrick Ohly
2020-06-04 20:49:25 +02:00
parent 158d70aeff
commit 22aeb81e84
17 changed files with 844 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
pkg/apis/storage/validation/validation.go
View File

@@ -22,6 +22,7 @@ import (
"strings"
apiequality "k8s.io/apimachinery/pkg/api/equality"
apimachineryvalidation "k8s.io/apimachinery/pkg/api/validation"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/validation"
"k8s.io/apimachinery/pkg/util/validation/field"
@@ -459,3 +460,36 @@ func validateVolumeLifecycleModes(modes []storage.VolumeLifecycleMode, fldPath *
return allErrs
}
// ValidateStorageCapacityName checks that a name is appropriate for a
// CSIStorageCapacity object.
var ValidateStorageCapacityName = apimachineryvalidation.NameIsDNSSubdomain
// ValidateCSIStorageCapacity validates a CSIStorageCapacity.
func ValidateCSIStorageCapacity(capacity *storage.CSIStorageCapacity) field.ErrorList {
allErrs := apivalidation.ValidateObjectMeta(&capacity.ObjectMeta, true, ValidateStorageCapacityName, field.NewPath("metadata"))
allErrs = append(allErrs, metav1validation.ValidateLabelSelector(capacity.NodeTopology, field.NewPath("nodeTopology"))...)
for _, msg := range apivalidation.ValidateClassName(capacity.StorageClassName, false) {
allErrs = append(allErrs, field.Invalid(field.NewPath("storageClassName"), capacity.StorageClassName, msg))
}
if capacity.Capacity != nil {
allErrs = append(allErrs, apivalidation.ValidateNonnegativeQuantity(*capacity.Capacity, field.NewPath("capacity"))...)
}
return allErrs
}
// ValidateCSIStorageCapacityUpdate tests if an update to CSIStorageCapacity is valid.
func ValidateCSIStorageCapacityUpdate(capacity, oldCapacity *storage.CSIStorageCapacity) field.ErrorList {
allErrs := apivalidation.ValidateObjectMetaUpdate(&capacity.ObjectMeta, &oldCapacity.ObjectMeta, field.NewPath("metadata"))
// Input fields for CSI GetCapacity are immutable.
// If this ever relaxes in the future, make sure to increment the Generation number in PrepareForUpdate
if !apiequality.Semantic.DeepEqual(capacity.NodeTopology, oldCapacity.NodeTopology) {
allErrs = append(allErrs, field.Invalid(field.NewPath("nodeTopology"), capacity.NodeTopology, "field is immutable"))
}
if capacity.StorageClassName != oldCapacity.StorageClassName {
allErrs = append(allErrs, field.Invalid(field.NewPath("storageClassName"), capacity.StorageClassName, "field is immutable"))
}
return allErrs
}