[ws-manager] Add workspace class label to PVC backup duration metric

Signed-off-by: JenTing Hsiao <[email protected]>

Author: jenting

components/ws-manager/pkg/manager/metrics.go

@@ -91,7 +91,7 @@ func newMetrics(m *Manager) *metrics {
 			Name:      "volume_snapshot_seconds",
 			Help:      "time it took to snapshot volume",
 			Buckets:   prometheus.ExponentialBuckets(2, 2, 10),
-		}, []string{"type"}),
+		}, []string{"type", "class"}),
 		volumeRestoreTimeHistVec: prometheus.NewHistogramVec(prometheus.HistogramOpts{
 			Namespace: metricsNamespace,
 			Subsystem: metricsWorkspaceSubsystem,

components/ws-manager/pkg/manager/monitor.go

@@ -1036,7 +1036,7 @@ func (m *Monitor) finalizeWorkspaceContent(ctx context.Context, wso *workspaceOb
 					return true, nil, err
 				}
 				readyVolumeSnapshot = true
-				hist, err := m.manager.metrics.volumeSnapshotTimeHistVec.GetMetricWithLabelValues(wsType)
+				hist, err := m.manager.metrics.volumeSnapshotTimeHistVec.GetMetricWithLabelValues(wsType, wso.Pod.Labels[workspaceClassLabel])
 				if err != nil {
 					log.WithError(err).WithField("type", wsType).Warn("cannot get volume snapshot time histogram metric")
 				} else {