Updates Swagger YAML for new added API.

docs/swagger.yaml

@@ -1309,7 +1309,45 @@ paths:
         403:
           description: User does not have permission of admin role.
         500:
-          description: Unexpected internal errors.   		
+          description: Unexpected internal errors. 
+  /systeminfo/volumes:
+    get:
+      summary: Get system volume info (total/free size).
+      description: |
+        This endpoint is for retrieving system volume info that only provides for admin user.
+      tags:
+        - Products
+      responses:
+        200:
+          description: Get system volumes successfully.
+          schema:
+            type: object
+            items:
+              $ref: '#/definitions/SystemInfo'
+        401:
+          description: User need to log in first.
+        403:
+          description: User does not have permission of admin role.
+        500:
+          description: Unexpected internal errors.
+  /systeminfo/getcert:
+    get:
+      summary: Get default root certificate under OVA deployment.
+      description: |
+        This endpoint is for downloading a default root certificate that only provides for admin user under OVA deployment.
+      tags:
+        - Products
+      responses:
+        200:
+          description: Get default root certificate successfully.
+        401:
+          description: User need to log in first.
+        403:
+          description: User does not have permission of admin role.
+        404:
+          description: Not found the default root certificate.
+        500:
+          description: Unexpected internal errors.  		
 definitions:
   Search:
     type: object
@@ -1741,3 +1779,22 @@ definitions:
       comment:
         type: string
         description: The new comment.
+  Storage:
+    type: object
+    properties:
+      total: 
+        type: integer
+        format: int64
+        description: Total volume size.
+      free:
+        type: integer
+        format: int64
+        description: Free volume size.
+  SystemInfo:
+    type: object
+    properties:
+      storage: 
+        type: array
+        description: The storage of system.
+        items:
+          $ref: '#/definitions/Storage'

src/ui/api/systeminfo.go

@@ -73,6 +73,7 @@ func (sia *SystemInfoAPI) GetVolumeInfo() {
 func (sia *SystemInfoAPI) GetCert() {
 	if sia.isAdmin {
 		if _, err := os.Stat(defaultRootCert); !os.IsNotExist(err) {
+			sia.Ctx.Output.Header("Content-Type", "application/octet-stream")
 			sia.Ctx.Output.Header("Content-Disposition", "attachment; filename=ca.crt")
 			http.ServeFile(sia.Ctx.ResponseWriter, sia.Ctx.Request, defaultRootCert)
 		} else {
@@ -80,5 +81,5 @@ func (sia *SystemInfoAPI) GetCert() {
 			sia.CustomAbort(http.StatusNotFound, "No certificate found.")
 		}
 	}
-	sia.CustomAbort(http.StatusUnauthorized, "")
+	sia.CustomAbort(http.StatusForbidden, "")
 }