fix with global config state (#37293)

packages/grafana-ui/src/components/DataSourceSettings/DataSourceHttpSettings.tsx

@@ -268,7 +268,7 @@ export const DataSourceHttpSettings: React.FC<HttpSettingsProps> = (props) => {
             <azureAuthSettings.azureSettingsUI dataSourceConfig={dataSourceConfig} onChange={onChange} />
           )}
 
-        {dataSourceConfig.jsonData.sigV4Auth && <SigV4AuthSettings {...props} />}
+        {dataSourceConfig.jsonData.sigV4Auth && sigV4AuthToggleEnabled && <SigV4AuthSettings {...props} />}
 
         {(dataSourceConfig.jsonData.tlsAuth || dataSourceConfig.jsonData.tlsAuthWithCACert) && (
           <TLSAuthSettings dataSourceConfig={dataSourceConfig} onChange={onChange} />

pkg/models/datasource_cache.go

@@ -11,6 +11,7 @@ import (
 	sdkhttpclient "github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
 	"github.com/grafana/grafana/pkg/components/simplejson"
 	"github.com/grafana/grafana/pkg/infra/httpclient"
+	"github.com/grafana/grafana/pkg/setting"
 	"github.com/grafana/grafana/pkg/tsdb/azuremonitor/azcredentials"
 )
 
@@ -139,7 +140,7 @@ func (ds *DataSource) HTTPClientOptions() (*sdkhttpclient.Options, error) {
 		}
 	}
 
-	if ds.JsonData != nil && ds.JsonData.Get("sigV4Auth").MustBool(false) {
+	if ds.JsonData != nil && ds.JsonData.Get("sigV4Auth").MustBool(false) && setting.SigV4AuthEnabled {
 		opts.SigV4 = &sdkhttpclient.SigV4Config{
 			Service:       awsServiceNamespace(ds.Type),
 			Region:        ds.JsonData.Get("sigV4Region").MustString(),

pkg/models/datasource_cache_test.go

@@ -296,6 +296,12 @@ func TestDataSource_GetHttpTransport(t *testing.T) {
 		})
 		clearDSProxyCache(t)
 
+		origSigV4Enabled := setting.SigV4AuthEnabled
+		setting.SigV4AuthEnabled = true
+		t.Cleanup(func() {
+			setting.SigV4AuthEnabled = origSigV4Enabled
+		})
+
 		json, err := simplejson.NewJson([]byte(`{ "sigV4Auth": true }`))
 		require.NoError(t, err)