Add bucket lifecycle expiry feature (#7834)

cmd/peer-rest-client.go

@@ -479,6 +479,32 @@ func (client *peerRESTClient) BackgroundHealStatus() (madmin.BgHealState, error)
 	return state, err
 }
 
+// BgLifecycleOpsStatus describes the status
+// of the background lifecycle operations
+type BgLifecycleOpsStatus struct {
+	LastActivity time.Time
+}
+
+// BgOpsStatus describes the status of all operations performed
+// in background such as auto-healing and lifecycle.
+// Notice: We need to increase peer REST API version when adding
+// new fields to this struct.
+type BgOpsStatus struct {
+	LifecycleOps BgLifecycleOpsStatus
+}
+
+func (client *peerRESTClient) BackgroundOpsStatus() (BgOpsStatus, error) {
+	respBody, err := client.call(peerRESTMethodBackgroundOpsStatus, nil, nil, -1)
+	if err != nil {
+		return BgOpsStatus{}, err
+	}
+	defer http.DrainBody(respBody)
+
+	state := BgOpsStatus{}
+	err = gob.NewDecoder(respBody).Decode(&state)
+	return state, err
+}
+
 func (client *peerRESTClient) doTrace(traceCh chan interface{}, doneCh chan struct{}, trcAll, trcErr bool) {
 	values := make(url.Values)
 	values.Set(peerRESTTraceAll, strconv.FormatBool(trcAll))