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cephfs: use enum to check resize is supported or not

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Currently, we are using bool pointer to find out
the ceph cluster supports resize or not. This
commit replaces the bool pointer with enum.

Signed-off-by: Yati Padia <ypadia@redhat.com>

Fixes#1764
This commit is contained in:
Yati Padia 2020-12-22 13:10:06 +05:30 committed by mergify[bot]
parent 61a16012b7
commit 995879d349
1 changed files with 15 additions and 9 deletions
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24
internal/cephfs/volume.go
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@ -119,9 +119,18 @@ func (vo *volumeOptions) getSubVolumeInfo(ctx context.Context, volID volumeID) (
return &subvol, nil
}
type operationState int64
const (
unknown operationState = iota
supported
unsupported
)
type localClusterState struct {
// set true if cluster supports resize functionality.
resizeSupported *bool
// set the enum value i.e., unknown, supported,
// unsupported as per the state of the cluster.
resizeState operationState
// set true once a subvolumegroup is created
// for corresponding cluster.
subVolumeGroupCreated bool
@ -183,19 +192,16 @@ func (vo *volumeOptions) resizeVolume(ctx context.Context, volID volumeID, bytes
}
// resize subvolume when either it's supported, or when corresponding
// clusterID key was not present.
if clusterAdditionalInfo[vo.ClusterID].resizeSupported == nil || *clusterAdditionalInfo[vo.ClusterID].resizeSupported {
if clusterAdditionalInfo[vo.ClusterID].resizeSupported == nil {
clusterAdditionalInfo[vo.ClusterID].resizeSupported = new(bool)
}
if clusterAdditionalInfo[vo.ClusterID].resizeState == unknown ||
clusterAdditionalInfo[vo.ClusterID].resizeState == supported {
fsa, err := vo.conn.GetFSAdmin()
if err != nil {
util.ErrorLog(ctx, "could not get FSAdmin, can not resize volume %s:", vo.FsName, err)
return err
}
_, err = fsa.ResizeSubVolume(vo.FsName, vo.SubvolumeGroup, string(volID), fsAdmin.ByteCount(bytesQuota), true)
if err == nil {
*clusterAdditionalInfo[vo.ClusterID].resizeSupported = true
clusterAdditionalInfo[vo.ClusterID].resizeState = supported
return nil
}
var invalid fsAdmin.NotImplementedError
@ -205,7 +211,7 @@ func (vo *volumeOptions) resizeVolume(ctx context.Context, volID volumeID, bytes
return err
}
}
*clusterAdditionalInfo[vo.ClusterID].resizeSupported = false
clusterAdditionalInfo[vo.ClusterID].resizeState = unsupported
return createVolume(ctx, vo, volID, bytesQuota)
}