Add Username and Password for Selenium Grid Basic Auth

Signed-off-by: Vei0vis <[email protected]>

pkg/scalers/selenium_grid_scaler.go

@@ -37,6 +37,10 @@ type seleniumGridScalerMetadata struct {
 	UnsafeSsl           bool   `keda:"name=unsafeSsl,                order=triggerMetadata, optional, default=false"`
 	PlatformName        string `keda:"name=platformName,             order=triggerMetadata, optional, default=linux"`
 
+	// auth
+	Username string `keda:"name=username, order=authParams;resolvedEnv;triggerMetadata, optional"`
+	Password string `keda:"name=password, order=authParams;resolvedEnv;triggerMetadata, optional"`
+
 	TargetValue int64
 }
 
@@ -164,6 +168,9 @@ func (s *seleniumGridScaler) getSessionsCount(ctx context.Context, logger logr.L
 		return -1, err
 	}
 
+	// Add HTTP Auth
+	req.SetBasicAuth(s.metadata.Username, s.metadata.Password)
+
 	res, err := s.httpClient.Do(req)
 	if err != nil {
 		return -1, err

pkg/scalers/selenium_grid_scaler_test.go

@@ -610,6 +610,33 @@ func Test_parseSeleniumGridScalerMetadata(t *testing.T) {
 				PlatformName:       "linux",
 			},
 		},
+		{
+			name: "valid username and password in AuthParams, url, browsername, and sessionbrowsername should return metadata",
+			args: args{
+				config: &scalersconfig.ScalerConfig{
+					AuthParams: map[string]string{
+						"username": "username",
+						"password": "password",
+					},
+					TriggerMetadata: map[string]string{
+						"url":                "http://selenium-hub:4444/graphql",
+						"browserName":        "MicrosoftEdge",
+						"sessionBrowserName": "msedge",
+					},
+				},
+			},
+			wantErr: false,
+			want: &seleniumGridScalerMetadata{
+				URL:                "http://selenium-hub:4444/graphql",
+				BrowserName:        "MicrosoftEdge",
+				SessionBrowserName: "msedge",
+				TargetValue:        1,
+				BrowserVersion:     "latest",
+				PlatformName:       "linux",
+				Username:           "username",
+				Password:           "password",
+			},
+		},
 		{
 			name: "valid url and browsername should return metadata",
 			args: args{