fix lint issues

Author: sancyx

datasource.go

@@ -351,8 +351,8 @@ func (c *Client) DataSourceByUID(uid string) (*DataSource, error) {
 	return result, err
 }
 
-// DataSourceIdByName returns the Grafana data source id by name.
-func (c *Client) DataSourceIdByName(name string) (int64, error) {
+// DataSourceIDByName returns the Grafana data source ID by name.
+func (c *Client) DataSourceIDByName(name string) (int64, error) {
 	path := fmt.Sprintf("/api/datasources/id/%s", name)
 
 	result := struct {

datasource_test.go

@@ -257,16 +257,16 @@ func TestDataSources(t *testing.T) {
 	}
 }
 
-func TestDataSourceIdByName(t *testing.T) {
+func TestDataSourceIDByName(t *testing.T) {
 	server, client := gapiTestTools(t, 200, getDataSourceJSON)
 	defer server.Close()
 
-	datasourceId, err := client.DataSourceIdByName("foo")
+	datasourceID, err := client.DataSourceIDByName("foo")
 	if err != nil {
 		t.Fatal(err)
 	}
 
-	if datasourceId != 1 {
+	if datasourceID != 1 {
 		t.Error("Not correctly parsing returned datasources.")
 	}
 }