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rbd: get description from remote status

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This commit gets the description from remote status
instead of local status.
Local status doesn't have ',' due to which we get
array index out of range panic.

Fixes: #3388

Signed-off-by: Yati Padia <ypadia@redhat.com>
Co-authored-by: shyam Ranganathan <srangana@redhat.com>
This commit is contained in:
Yati Padia 2022-09-14 16:39:35 +05:30 committed by mergify[bot]
parent e5c5646963
commit 36b061d426
2 changed files with 32 additions and 3 deletions
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29
internal/rbd/replicationcontrollerserver.go
View File

@ -898,14 +898,14 @@ func (rs *ReplicationServer) GetVolumeReplicationInfo(ctx context.Context,
return nil, status.Error(codes.Internal, err.Error())
}
localStatus, err := mirrorStatus.LocalStatus()
remoteStatus, err := RemoteStatus(mirrorStatus)
if err != nil {
log.ErrorLog(ctx, err.Error())
return nil, fmt.Errorf("failed to get local status: %w", err)
return nil, fmt.Errorf("failed to get remote status: %w", err)
}
description := localStatus.Description
description := remoteStatus.Description
lastSyncTime, err := getLastSyncTime(description)
if err != nil {
return nil, fmt.Errorf("failed to get last sync time: %w", err)
@ -918,6 +918,26 @@ func (rs *ReplicationServer) GetVolumeReplicationInfo(ctx context.Context,
return resp, nil
}
// RemoteStatus returns one SiteMirrorImageStatus item from the SiteStatuses
// slice that corresponds to the remote site's status. If the remote status
// is not found than the error ErrNotExist will be returned.
func RemoteStatus(gmis *librbd.GlobalMirrorImageStatus) (librbd.SiteMirrorImageStatus, error) {
var (
ss librbd.SiteMirrorImageStatus
err error = librbd.ErrNotExist
)
for i := range gmis.SiteStatuses {
if gmis.SiteStatuses[i].MirrorUUID != "" {
ss = gmis.SiteStatuses[i]
err = nil
break
}
}
return ss, err
}
// This function gets the local snapshot time from the description
// of localStatus and converts it into required type.
func getLastSyncTime(description string) (*timestamppb.Timestamp, error) {
@ -930,6 +950,9 @@ func getLastSyncTime(description string) (*timestamppb.Timestamp, error) {
return nil, nil
}
splittedString := strings.SplitN(description, ",", 2)
if len(splittedString) == 1 {
return nil, nil
}
type localStatus struct {
LocalSnapshotTime int64 `json:"local_snapshot_timestamp"`
}

6
internal/rbd/replicationcontrollerserver_test.go
View File

@ -469,6 +469,12 @@ func TestValidateLastSyncTime(t *testing.T) {
nil,
"failed to unmarshal description",
},
{
"description with no JSON",
`replaying`,
nil,
"",
},
}
for _, tt := range tests {
tt := tt