K8s: Expose testdata connection as an api-server (dev mode only) (#79726)

pkg/registry/apis/datasource/utils.go

@@ -0,0 +1,25 @@
+package datasource
+
+import (
+	"fmt"
+	"strings"
+)
+
+func getDatasourceGroupNameFromPluginID(pluginId string) (string, error) {
+	if pluginId == "" {
+		return "", fmt.Errorf("bad pluginID (empty)")
+	}
+	parts := strings.Split(pluginId, "-")
+	if len(parts) == 1 {
+		return fmt.Sprintf("%s.datasource.grafana.app", parts[0]), nil
+	}
+
+	last := parts[len(parts)-1]
+	if last != "datasource" {
+		return "", fmt.Errorf("bad pluginID (%s)", pluginId)
+	}
+	if parts[0] == "grafana" {
+		parts = parts[1:] // strip the first value
+	}
+	return fmt.Sprintf("%s.datasource.grafana.app", strings.Join(parts[:len(parts)-1], "-")), nil
+}