// merge volume properties from aws into volume.
func (d *Driver) merge(v *api.Volume, aws *ec2.Volume) {
v.AttachedOn = api.MachineID("")
v.State = api.VolumeDetached
v.DevicePath = ""
switch *aws.State {
case ec2.VolumeStateAvailable:
v.Status = api.Up
case ec2.VolumeStateCreating, ec2.VolumeStateDeleting:
v.State = api.VolumePending
v.Status = api.Down
case ec2.VolumeStateDeleted:
v.State = api.VolumeDeleted
v.Status = api.Down
case ec2.VolumeStateError:
v.State = api.VolumeError
v.Status = api.Down
case ec2.VolumeStateInUse:
v.Status = api.Up
if aws.Attachments != nil && len(aws.Attachments) != 0 {
if aws.Attachments[0].InstanceID != nil {
v.AttachedOn = api.MachineID(*aws.Attachments[0].InstanceID)
}
if aws.Attachments[0].State != nil {
v.State = d.volumeState(aws.Attachments[0].State)
}
if aws.Attachments[0].Device != nil {
v.DevicePath = *aws.Attachments[0].Device
}
}
}
}
// merge volume properties from aws into volume.
func (d *Driver) merge(v *api.Volume, aws *ec2.Volume) {
v.AttachedOn = ""
v.State = api.VolumeState_VOLUME_STATE_DETACHED
v.DevicePath = ""
switch *aws.State {
case ec2.VolumeStateAvailable:
v.Status = api.VolumeStatus_VOLUME_STATUS_UP
case ec2.VolumeStateCreating, ec2.VolumeStateDeleting:
v.State = api.VolumeState_VOLUME_STATE_PENDING
v.Status = api.VolumeStatus_VOLUME_STATUS_DOWN
case ec2.VolumeStateDeleted:
v.State = api.VolumeState_VOLUME_STATE_DELETED
v.Status = api.VolumeStatus_VOLUME_STATUS_DOWN
case ec2.VolumeStateError:
v.State = api.VolumeState_VOLUME_STATE_ERROR
v.Status = api.VolumeStatus_VOLUME_STATUS_DOWN
case ec2.VolumeStateInUse:
v.Status = api.VolumeStatus_VOLUME_STATUS_UP
if aws.Attachments != nil && len(aws.Attachments) != 0 {
if aws.Attachments[0].InstanceId != nil {
v.AttachedOn = *aws.Attachments[0].InstanceId
}
if aws.Attachments[0].State != nil {
v.State = d.volumeState(aws.Attachments[0].State)
}
if aws.Attachments[0].Device != nil {
v.DevicePath = *aws.Attachments[0].Device
}
}
}
}