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Avoid showing an extra error when resizing volume fails (#350) 

Do not show 'persistent volumes are not compatible' errors for the
volumes that failed to be resized because of the other reasons (i.e.
the new size is smaller than the existing one).
This commit is contained in:
Oleksii Kliukin 2018-07-20 14:12:25 +02:00 committed by GitHub
parent accbe20804
commit 12871aad1a
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 5 deletions
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15
pkg/cluster/volumes.go
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@ -91,7 +91,8 @@ func (c *Cluster) listPersistentVolumes() ([]*v1.PersistentVolume, error) {
func (c *Cluster) resizeVolumes(newVolume spec.Volume, resizers []volumes.VolumeResizer) error {
c.setProcessName("resizing volumes")
totalCompatible := 0
var totalIncompatible int
newQuantity, err := resource.ParseQuantity(newVolume.Size)
if err != nil {
return fmt.Errorf("could not parse volume size: %v", err)
@ -100,7 +101,6 @@ func (c *Cluster) resizeVolumes(newVolume spec.Volume, resizers []volumes.Volume
if err != nil {
return fmt.Errorf("could not list persistent volumes: %v", err)
}
for _, pv := range pvs {
volumeSize := quantityToGigabyte(pv.Spec.Capacity[v1.ResourceStorage])
if volumeSize >= newSize {
@ -109,11 +109,12 @@ func (c *Cluster) resizeVolumes(newVolume spec.Volume, resizers []volumes.Volume
}
continue
}
compatible := false
for _, resizer := range resizers {
if !resizer.VolumeBelongsToProvider(pv) {
continue
}
totalCompatible++
compatible = true
if !resizer.IsConnectedToProvider() {
err := resizer.ConnectToProvider()
if err != nil {
@ -146,9 +147,13 @@ func (c *Cluster) resizeVolumes(newVolume spec.Volume, resizers []volumes.Volume
}
c.logger.Debugf("successfully updated persistent volume %q", pv.Name)
}
if !compatible {
c.logger.Warningf("volume %q is incompatible with all available resizing providers", pv.Name)
totalIncompatible++
}
}
if len(pvs) > 0 && totalCompatible == 0 {
return fmt.Errorf("could not resize EBS volumes: persistent volumes are not compatible with existing resizing providers")
if totalIncompatible > 0 {
return fmt.Errorf("could not resize EBS volumes: some persistent volumes are not compatible with existing resizing providers")
}
return nil
}