feat: support perf site replication (#17477)

cmd/site-replication.go

@@ -22,10 +22,12 @@ import (
 	"context"
 	"encoding/base64"
 	"encoding/binary"
+	"encoding/gob"
 	"encoding/json"
 	"encoding/xml"
 	"errors"
 	"fmt"
+	"net/http"
 	"net/url"
 	"reflect"
 	"runtime"
@@ -41,6 +43,7 @@ import (
 	"github.com/minio/minio-go/v7/pkg/set"
 	"github.com/minio/minio/internal/auth"
 	sreplication "github.com/minio/minio/internal/bucket/replication"
+	xhttp "github.com/minio/minio/internal/http"
 	"github.com/minio/minio/internal/logger"
 	bktpolicy "github.com/minio/pkg/bucket/policy"
 	iampolicy "github.com/minio/pkg/iam/policy"
@@ -647,6 +650,83 @@ func (c *SiteReplicationSys) validateIDPSettings(ctx context.Context, peers []Pe
 	return true, nil
 }
 
+// Netperf for site-replication net perf
+func (c *SiteReplicationSys) Netperf(ctx context.Context, duration time.Duration) (results madmin.SiteNetPerfResult, err error) {
+	infos, err := globalSiteReplicationSys.GetClusterInfo(ctx)
+	if err != nil {
+		return results, err
+	}
+	var wg sync.WaitGroup
+	var resultsMu sync.RWMutex
+	for _, info := range infos.Sites {
+		info := info
+		// will call siteNetperf, means call others's adminAPISiteReplicationDevNull
+		if globalDeploymentID == info.DeploymentID {
+			wg.Add(1)
+			go func() (err error) {
+				defer wg.Done()
+				result := &madmin.SiteNetPerfNodeResult{}
+				defer func() {
+					if err != nil {
+						result.Error = err.Error()
+					}
+					resultsMu.Lock()
+					results.NodeResults = append(results.NodeResults, *result)
+					resultsMu.Unlock()
+				}()
+				cli, err := globalSiteReplicationSys.getAdminClient(ctx, info.DeploymentID)
+				if err != nil {
+					return err
+				}
+				*result = siteNetperf(ctx, duration)
+				result.Endpoint = cli.GetEndpointURL().String()
+				return nil
+			}()
+			continue
+		}
+		wg.Add(1)
+		go func() (err error) {
+			defer wg.Done()
+			result := madmin.SiteNetPerfNodeResult{}
+			defer func() {
+				if err != nil {
+					result.Error = err.Error()
+				}
+				resultsMu.Lock()
+				results.NodeResults = append(results.NodeResults, result)
+				resultsMu.Unlock()
+			}()
+			cli, err := globalSiteReplicationSys.getAdminClient(ctx, info.DeploymentID)
+			if err != nil {
+				return err
+			}
+			rp := cli.GetEndpointURL()
+			reqURL := &url.URL{
+				Scheme: rp.Scheme,
+				Host:   rp.Host,
+				Path:   adminPathPrefix + adminAPIVersionPrefix + adminAPISiteReplicationNetPerf,
+			}
+			result.Endpoint = rp.String()
+			req, err := http.NewRequestWithContext(ctx, http.MethodPost, reqURL.String(), nil)
+			if err != nil {
+				return err
+			}
+			client := &http.Client{
+				Timeout:   duration + 10*time.Second,
+				Transport: globalRemoteTargetTransport,
+			}
+			resp, err := client.Do(req)
+			if err != nil {
+				return err
+			}
+			defer xhttp.DrainBody(resp.Body)
+			return gob.NewDecoder(resp.Body).Decode(&result)
+		}()
+	}
+	wg.Wait()
+	return
+}
+
 // GetClusterInfo - returns site replication information.
 func (c *SiteReplicationSys) GetClusterInfo(ctx context.Context) (info madmin.SiteReplicationInfo, err error) {
 	c.RLock()