Fixed Drives offline card UI (#2732)

restapi/admin_info.go

@@ -76,6 +76,8 @@ func GetAdminInfo(ctx context.Context, client MinioAdmin) (*UsageInfo, error) {
 	var backendType string
 	var rrSCParity float64
 	var standardSCParity float64
+	var onlineDrives float64
+	var offlineDrives float64
 
 	if v, success := serverInfo.Backend.(map[string]interface{}); success {
 		bt, ok := v["backendType"]
@@ -90,6 +92,14 @@ func GetAdminInfo(ctx context.Context, client MinioAdmin) (*UsageInfo, error) {
 		if ok {
 			standardSCParity = sp.(float64)
 		}
+		onDrives, ok := v["onlineDisks"]
+		if ok {
+			onlineDrives = onDrives.(float64)
+		}
+		offDrives, ok := v["offlineDisks"]
+		if ok {
+			offlineDrives = offDrives.(float64)
+		}
 	}
 
 	var usedSpace int64
@@ -132,8 +142,9 @@ func GetAdminInfo(ctx context.Context, client MinioAdmin) (*UsageInfo, error) {
 		BackendType:      backendType,
 		RrSCParity:       int64(rrSCParity),
 		StandardSCParity: int64(standardSCParity),
+		OnlineDrives:     int64(onlineDrives),
+		OfflineDrives:    int64(offlineDrives),
 	}
-
 	return &UsageInfo{
 		Buckets:    int64(serverInfo.Buckets.Count),
 		Objects:    int64(serverInfo.Objects.Count),

restapi/embedded_spec.go

@@ -5301,6 +5301,12 @@ func init() {
         "backendType": {
           "type": "string"
         },
+        "offlineDrives": {
+          "type": "integer"
+        },
+        "onlineDrives": {
+          "type": "integer"
+        },
         "rrSCParity": {
           "type": "integer"
         },
@@ -14297,6 +14303,12 @@ func init() {
         "backendType": {
           "type": "string"
         },
+        "offlineDrives": {
+          "type": "integer"
+        },
+        "onlineDrives": {
+          "type": "integer"
+        },
         "rrSCParity": {
           "type": "integer"
         },