Supports customized system spec in the node conformance test and creates the GKE system spec

test/e2e_node/runner/local/run_local.go

@@ -18,6 +18,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -31,6 +32,11 @@ import (
 var buildDependencies = flag.Bool("build-dependencies", true, "If true, build all dependencies.")
 var ginkgoFlags = flag.String("ginkgo-flags", "", "Space-separated list of arguments to pass to Ginkgo test runner.")
 var testFlags = flag.String("test-flags", "", "Space-separated list of arguments to pass to node e2e test.")
+var systemSpecName = flag.String("system-spec-name", "", "The name of the system spec used for validating the image in the node conformance test. The specs are at test/e2e_node/system/specs/. If unspecified, the default built-in spec (system.DefaultSpec) will be used.")
+
+const (
+	systemSpecPath = "test/e2e_node/system/specs"
+)
 
 func main() {
 	flag.Parse()
@@ -50,7 +56,17 @@ func main() {
 	glog.Infof("Got build output dir: %v", outputDir)
 	ginkgo := filepath.Join(outputDir, "ginkgo")
 	test := filepath.Join(outputDir, "e2e_node.test")
-	runCommand(ginkgo, *ginkgoFlags, test, "--", *testFlags)
+
+	if *systemSpecName == "" {
+		runCommand(ginkgo, *ginkgoFlags, test, "--", *testFlags)
+		return
+	}
+	rootDir, err := builder.GetK8sRootDir()
+	if err != nil {
+		glog.Fatalf("Failed to get k8s root directory: %v", err)
+	}
+	systemSpecFile := filepath.Join(rootDir, systemSpecPath, *systemSpecName+".yaml")
+	runCommand(ginkgo, *ginkgoFlags, test, "--", fmt.Sprintf("--system-spec-file=%s", systemSpecFile), *testFlags)
 	return
 }