Add erasure info support (#2446)

Make it easier for user to see backend properties like backend-type,
Standard storage class Parity and Reduced Redundancy storage class
Parity
Co-authored-by: Prakash Senthil Vel <[email protected]>

Author: dilverse

models/admin_info_response.go

@@ -15,7 +15,7 @@
 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import React from "react";
-import { Box } from "@mui/material";
+import { Box, Grid } from "@mui/material";
 import {
   ArrowRightIcon,
   BucketsIcon,
@@ -25,6 +25,8 @@ import {
   ServersIcon,
   TotalObjectsIcon,
   UptimeIcon,
+  FormatDrivesIcon,
+  StorageIcon,
 } from "../../../../icons";
 import HelpBox from "../../../../common/HelpBox";
 import { calculateBytes, representationNumber } from "../../../../common/utils";
@@ -276,6 +278,41 @@ const BasicDashboard = ({ usage }: IDashboardProps) => {
               </Box>
             </Box>
           </Box>
+          <Grid container spacing={1}>
+            <Grid item xs={4}>
+              <TimeStatItem
+                icon={<StorageIcon />}
+                label={"Backend type"}
+                value={
+                  usage?.backend?.backendType
+                    ? usage.backend.backendType
+                    : "Unknown"
+                }
+              />
+            </Grid>
+            <Grid item xs={4}>
+              <TimeStatItem
+                icon={<FormatDrivesIcon />}
+                label={"Standard storage class parity"}
+                value={
+                  usage?.backend?.standardSCParity
+                    ? usage.backend.standardSCParity.toString()
+                    : "n/a"
+                }
+              />
+            </Grid>
+            <Grid item xs={4}>
+              <TimeStatItem
+                icon={<FormatDrivesIcon />}
+                label={"Reduced redundancy storage class parity"}
+                value={
+                  usage?.backend?.standardSCParity
+                    ? usage.backend.rrSCParity.toString()
+                    : "n/a"
+                }
+              />
+            </Grid>
+          </Grid>
 
           <Box
             sx={{

models/backend_properties.go

@@ -23,12 +23,19 @@ export interface Usage {
   advancedMetricsStatus: "available" | "unavailable" | "not configured";
   widgets?: any;
   servers: ServerInfo[];
+  backend: Backend;
   //TODO
   lastScan: any;
   lastHeal: any;
   upTime: any;
 }
 
+export interface Backend {
+  backendType: string;
+  standardSCParity: number;
+  rrSCParity: number;
+}
+
 export interface ServerInfo {
   state: string;
   endpoint: string;

portal-ui/src/screens/Console/Dashboard/BasicDashboard/BasicDashboard.tsx

@@ -61,6 +61,7 @@ type UsageInfo struct {
 	DisksUsage       int64
 	Servers          []*models.ServerProperties
 	EndpointNotReady bool
+	Backend          *models.BackendProperties
 }
 
 // GetAdminInfo invokes admin info and returns a parsed `UsageInfo` structure
@@ -72,6 +73,25 @@ func GetAdminInfo(ctx context.Context, client MinioAdmin) (*UsageInfo, error) {
 	// we are trimming uint64 to int64 this will report an incorrect measurement for numbers greater than
 	// 9,223,372,036,854,775,807
 
+	var backendType string
+	var rrSCParity float64
+	var standardSCParity float64
+
+	if v, success := serverInfo.Backend.(map[string]interface{}); success {
+		bt, ok := v["backendType"]
+		if ok {
+			backendType = bt.(string)
+		}
+		rp, ok := v["rrSCParity"]
+		if ok {
+			rrSCParity = rp.(float64)
+		}
+		sp, ok := v["standardSCParity"]
+		if ok {
+			standardSCParity = sp.(float64)
+		}
+	}
+
 	var usedSpace int64
 	for _, serv := range serverInfo.Servers {
 		for _, disk := range serv.Disks {
@@ -113,12 +133,19 @@ func GetAdminInfo(ctx context.Context, client MinioAdmin) (*UsageInfo, error) {
 		serverArray = append(serverArray, newServer)
 	}
 
+	backendData := &models.BackendProperties{
+		BackendType:      backendType,
+		RrSCParity:       int64(rrSCParity),
+		StandardSCParity: int64(standardSCParity),
+	}
+
 	return &UsageInfo{
 		Buckets:    int64(serverInfo.Buckets.Count),
 		Objects:    int64(serverInfo.Objects.Count),
 		Usage:      int64(serverInfo.Usage.Size),
 		DisksUsage: usedSpace,
 		Servers:    serverArray,
+		Backend:    backendData,
 	}, nil
 }
 
@@ -913,6 +940,7 @@ func getUsageWidgetsForDeployment(ctx context.Context, prometheusURL string, mAd
 			sessionResp.Objects = usage.Objects
 			sessionResp.Usage = usage.Usage
 			sessionResp.Servers = usage.Servers
+			sessionResp.Backend = usage.Backend
 		}
 	}()