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Set storage size to minimum volume size #441

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merged 5 commits into from
Jul 5, 2022
Merged

Set storage size to minimum volume size #441

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bdbb42d
Set storage size to minimum 1Gi if volume size specified is less than…
srikiz Jun 24, 2022
075fa32
Incorporate review comments
srikiz Jun 30, 2022
3502954
Fix unit test
srikiz Jul 4, 2022
ea7c363
More fixes to unit tests
srikiz Jul 4, 2022
98c4714
incorporate review comments
srikiz Jul 5, 2022
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12 changes: 8 additions & 4 deletions driver/controller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,7 @@ func (d *Driver) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest)
return nil, status.Error(codes.InvalidArgument, fmt.Sprintf("volume capabilities cannot be satisified: %s", strings.Join(violations, "; ")))
}

size, err := extractStorage(req.CapacityRange)
size, err := d.extractStorage(req.CapacityRange)
if err != nil {
return nil, status.Errorf(codes.OutOfRange, "invalid capacity range: %v", err)
}
Expand Down Expand Up @@ -873,7 +873,7 @@ func (d *Driver) ControllerExpandVolume(ctx context.Context, req *csi.Controller
return nil, status.Errorf(codes.Internal, "ControllerExpandVolume could not retrieve existing volume: %v", err)
}

resizeBytes, err := extractStorage(req.GetCapacityRange())
resizeBytes, err := d.extractStorage(req.GetCapacityRange())
if err != nil {
return nil, status.Errorf(codes.OutOfRange, "ControllerExpandVolume invalid capacity range: %v", err)
}
Expand Down Expand Up @@ -936,7 +936,7 @@ func (d *Driver) ControllerGetVolume(ctx context.Context, req *csi.ControllerGet
// range. If the capacity range is not satisfied it returns the default volume
// size. If the capacity range is below or above supported sizes, it returns an
// error.
func extractStorage(capRange *csi.CapacityRange) (int64, error) {
func (d *Driver) extractStorage(capRange *csi.CapacityRange) (int64, error) {
if capRange == nil {
return defaultVolumeSizeInBytes, nil
}
Expand All @@ -955,7 +955,11 @@ func extractStorage(capRange *csi.CapacityRange) (int64, error) {
}

if requiredSet && !limitSet && requiredBytes < minimumVolumeSizeInBytes {
return 0, fmt.Errorf("required (%v) can not be less than minimum supported volume size (%v)", formatBytes(requiredBytes), formatBytes(minimumVolumeSizeInBytes))
d.log.WithFields(logrus.Fields{
"requiredBytes": formatBytes(requiredBytes),
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Would you mind using camel case here and on the field below in order to be consistent with the existing style?

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sure, updated.

"minimumVolumeSizeInBytes": formatBytes(minimumVolumeSizeInBytes),
}).Warn("requiredBytes is less than minimum supported volume size, setting requiredBytes default to minimumVolumeSizeBytes")
return minimumVolumeSizeInBytes, nil
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Nit: Let's say "minimum volume size" to not give the impression that minimumVolumeSizeBytes is a known value from the CSI spec (which requiredBytes is only).

}

if limitSet && limitBytes < minimumVolumeSizeInBytes {
Expand Down