Enabling runtime config on E2E node tests

hack/make-rules/test-e2e-node.sh

@@ -46,6 +46,7 @@ test_args=${TEST_ARGS:-""}
 timeout_arg=""
 system_spec_name=${SYSTEM_SPEC_NAME:-}
 extra_envs=${EXTRA_ENVS:-}
+runtime_config=${RUNTIME_CONFIG:-}
 
 # Parse the flags to pass to ginkgo
 ginkgoflags=""
@@ -168,7 +169,8 @@ if [ "${remote}" = true ] ; then
     --image-project="${image_project}" --instance-name-prefix="${instance_prefix}" \
     --delete-instances="${delete_instances}" --test_args="${test_args}" --instance-metadata="${metadata}" \
     --image-config-file="${image_config_file}" --system-spec-name="${system_spec_name}" \
-    --preemptible-instances="${preemptible_instances}" --extra-envs="${extra_envs}" --test-suite="${test_suite}" \
+    --runtime-config="${runtime_config}" --preemptible-instances="${preemptible_instances}" \
+    --extra-envs="${extra_envs}" --test-suite="${test_suite}" \
     "${timeout_arg}" \
     2>&1 | tee -i "${artifacts}/build-log.txt"
   exit $?
@@ -203,6 +205,7 @@ else
     --system-spec-name="${system_spec_name}" --extra-envs="${extra_envs}" \
     --ginkgo-flags="${ginkgoflags}" --test-flags="--container-runtime=${runtime} \
     --alsologtostderr --v 4 --report-dir=${artifacts} --node-name $(hostname) \
-    ${test_args}" --build-dependencies=true 2>&1 | tee -i "${artifacts}/build-log.txt"
+    ${test_args}" --runtime-config="${runtime_config}" \
+    --build-dependencies=true 2>&1 | tee -i "${artifacts}/build-log.txt"
   exit $?
 fi

test/e2e/framework/test_context.go

@@ -217,6 +217,8 @@ type NodeTestContextType struct {
 	KubeletConfig kubeletconfig.KubeletConfiguration
 	// ImageDescription is the description of the image on which the test is running.
 	ImageDescription string
+	// RuntimeConfig is a map of API server runtime configuration values.
+	RuntimeConfig map[string]string
 	// SystemSpecName is the name of the system spec (e.g., gke) that's used in
 	// the node e2e test. If empty, the default one (system.DefaultSpec) is
 	// used. The system specs are in test/e2e_node/system/specs/.

test/e2e_node/e2e_node_suite_test.go

@@ -85,6 +85,7 @@ func registerNodeFlags(flags *flag.FlagSet) {
 	flags.Var(cliflag.NewMapStringString(&framework.TestContext.ExtraEnvs), "extra-envs", "The extra environment variables needed for node e2e tests. Format: a list of key=value pairs, e.g., env1=val1,env2=val2")
 	flags.StringVar(&framework.TestContext.SriovdpConfigMapFile, "sriovdp-configmap-file", "", "The name of the SRIOV device plugin Config Map to load.")
 	flag.StringVar(&framework.TestContext.ClusterDNSDomain, "dns-domain", "", "The DNS Domain of the cluster.")
+	flag.Var(cliflag.NewMapStringString(&framework.TestContext.RuntimeConfig), "runtime-config", "The runtime configuration used on node e2e tests.")
 }
 
 func init() {

test/e2e_node/remote/cadvisor_e2e.go

@@ -63,7 +63,7 @@ func runCommand(command string, args ...string) error {
 }
 
 // RunTest implements TestSuite.RunTest
-func (n *CAdvisorE2ERemote) RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs string, timeout time.Duration) (string, error) {
+func (n *CAdvisorE2ERemote) RunTest(host, workspace, _, _, _, _, _, _, _, _ string, timeout time.Duration) (string, error) {
 	// Kill any running node processes
 	cleanupNodeProcesses(host)
 

test/e2e_node/remote/node_conformance.go

@@ -262,7 +262,7 @@ func stopKubelet(host, workspace string) error {
 }
 
 // RunTest runs test on the node.
-func (c *ConformanceRemote) RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, _, systemSpecName, extraEnvs string, timeout time.Duration) (string, error) {
+func (c *ConformanceRemote) RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, _, systemSpecName, extraEnvs, _ string, timeout time.Duration) (string, error) {
 	// Install the cni plugins and add a basic CNI configuration.
 	if err := setupCNI(host, workspace); err != nil {
 		return "", err

test/e2e_node/remote/node_e2e.go

@@ -154,7 +154,7 @@ func getOSDistribution(host string) (string, error) {
 }
 
 // RunTest runs test on the node.
-func (n *NodeE2ERemote) RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs string, timeout time.Duration) (string, error) {
+func (n *NodeE2ERemote) RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs, runtimeConfig string, timeout time.Duration) (string, error) {
 	// Install the cni plugins and add a basic CNI configuration.
 	// TODO(random-liu): Do this in cloud init after we remove containervm test.
 	if err := setupCNI(host, workspace); err != nil {
@@ -183,8 +183,8 @@ func (n *NodeE2ERemote) RunTest(host, workspace, results, imageDesc, junitFilePr
 	klog.V(2).Infof("Starting tests on %q", host)
 	cmd := getSSHCommand(" && ",
 		fmt.Sprintf("cd %s", workspace),
-		fmt.Sprintf("timeout -k 30s %fs ./ginkgo %s ./e2e_node.test -- --system-spec-name=%s --system-spec-file=%s --extra-envs=%s --logtostderr --v 4 --node-name=%s --report-dir=%s --report-prefix=%s --image-description=\"%s\" %s",
-			timeout.Seconds(), ginkgoArgs, systemSpecName, systemSpecFile, extraEnvs, host, results, junitFilePrefix, imageDesc, testArgs),
+		fmt.Sprintf("timeout -k 30s %fs ./ginkgo %s ./e2e_node.test -- --system-spec-name=%s --system-spec-file=%s --extra-envs=%s --runtime-config=%s --logtostderr --v 4 --node-name=%s --report-dir=%s --report-prefix=%s --image-description=\"%s\" %s",
+			timeout.Seconds(), ginkgoArgs, systemSpecName, systemSpecFile, extraEnvs, runtimeConfig, host, results, junitFilePrefix, imageDesc, testArgs),
 	)
 	return SSH(host, "sh", "-c", cmd)
 }

test/e2e_node/remote/remote.go

@@ -66,7 +66,7 @@ func CreateTestArchive(suite TestSuite, systemSpecName string) (string, error) {
 
 // RunRemote returns the command output, whether the exit was ok, and any errors
 // TODO(random-liu): junitFilePrefix is not prefix actually, the file name is junit-junitFilePrefix.xml. Change the variable name.
-func RunRemote(suite TestSuite, archive string, host string, cleanup bool, imageDesc, junitFilePrefix string, testArgs string, ginkgoArgs string, systemSpecName string, extraEnvs string) (string, bool, error) {
+func RunRemote(suite TestSuite, archive string, host string, cleanup bool, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs, runtimeConfig string) (string, bool, error) {
 	// Create the temp staging directory
 	klog.V(2).Infof("Staging test binaries on %q", host)
 	workspace := newWorkspaceDir()
@@ -111,7 +111,7 @@ func RunRemote(suite TestSuite, archive string, host string, cleanup bool, image
 	}
 
 	klog.V(2).Infof("Running test on %q", host)
-	output, err := suite.RunTest(host, workspace, resultDir, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs, *testTimeout)
+	output, err := suite.RunTest(host, workspace, resultDir, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs, runtimeConfig, *testTimeout)
 
 	aggErrs := []error{}
 	// Do not log the output here, let the caller deal with the test output.

test/e2e_node/remote/types.go

@@ -47,6 +47,7 @@ type TestSuite interface {
 	// * systemSpecName is the name of the system spec used for validating the
 	//   image on which the test runs.
 	// * extraEnvs is the extra environment variables needed for node e2e tests.
+	// * runtimeConfig is the API runtime configuration used for node e2e tests.
 	// * timeout is the test timeout.
-	RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs string, timeout time.Duration) (string, error)
+	RunTest(host, workspace, results, imageDesc, junitFilePrefix, testArgs, ginkgoArgs, systemSpecName, extraEnvs, runtimeConfig string, timeout time.Duration) (string, error)
 }

test/e2e_node/runner/local/run_local.go

@@ -36,6 +36,7 @@ var ginkgoFlags = flag.String("ginkgo-flags", "", "Space-separated list of argum
 var testFlags = flag.String("test-flags", "", "Space-separated list of arguments to pass to node e2e test.")
 var systemSpecName = flag.String("system-spec-name", "", fmt.Sprintf("The name of the system spec used for validating the image in the node conformance test. The specs are at %s. If unspecified, the default built-in spec (system.DefaultSpec) will be used.", system.SystemSpecPath))
 var extraEnvs = flag.String("extra-envs", "", "The extra environment variables needed for node e2e tests. Format: a list of key=value pairs, e.g., env1=val1,env2=val2")
+var runtimeConfig = flag.String("runtime-config", "", "The runtime configuration for the API server on the node e2e tests. Format: a list of key=value pairs, e.g., env1=val1,env2=val2")
 
 func main() {
 	klog.InitFlags(nil)
@@ -57,7 +58,7 @@ func main() {
 	ginkgo := filepath.Join(outputDir, "ginkgo")
 	test := filepath.Join(outputDir, "e2e_node.test")
 
-	args := []string{*ginkgoFlags, test, "--", *testFlags}
+	args := []string{*ginkgoFlags, test, "--", *testFlags, fmt.Sprintf("--runtime-config=%s", *runtimeConfig)}
 	if *systemSpecName != "" {
 		rootDir, err := utils.GetK8sRootDir()
 		if err != nil {

test/e2e_node/runner/remote/run_remote.go

@@ -66,6 +66,7 @@ var gubernator = flag.Bool("gubernator", false, "If true, output Gubernator link
 var ginkgoFlags = flag.String("ginkgo-flags", "", "Passed to ginkgo to specify additional flags such as --skip=.")
 var systemSpecName = flag.String("system-spec-name", "", fmt.Sprintf("The name of the system spec used for validating the image in the node conformance test. The specs are at %s. If unspecified, the default built-in spec (system.DefaultSpec) will be used.", system.SystemSpecPath))
 var extraEnvs = flag.String("extra-envs", "", "The extra environment variables needed for node e2e tests. Format: a list of key=value pairs, e.g., env1=val1,env2=val2")
+var runtimeConfig = flag.String("runtime-config", "", "The runtime configuration for the API server on the node e2e tests.. Format: a list of key=value pairs, e.g., env1=val1,env2=val2")
 
 // envs is the type used to collect all node envs. The key is the env name,
 // and the value is the env value
@@ -446,7 +447,7 @@ func testHost(host string, deleteFiles bool, imageDesc, junitFilePrefix, ginkgoF
 		}
 	}
 
-	output, exitOk, err := remote.RunRemote(suite, path, host, deleteFiles, imageDesc, junitFilePrefix, *testArgs, ginkgoFlagsStr, *systemSpecName, *extraEnvs)
+	output, exitOk, err := remote.RunRemote(suite, path, host, deleteFiles, imageDesc, junitFilePrefix, *testArgs, ginkgoFlagsStr, *systemSpecName, *extraEnvs, *runtimeConfig)
 	return &TestResult{
 		output: output,
 		err:    err,

test/e2e_node/services/apiserver.go

@@ -54,6 +54,9 @@ func (a *APIServer) Start() error {
 	if err != nil {
 		return err
 	}
+	if len(framework.TestContext.RuntimeConfig) > 0 {
+		o.APIEnablement.RuntimeConfig = framework.TestContext.RuntimeConfig
+	}
 	o.SecureServing.BindAddress = net.ParseIP("127.0.0.1")
 	o.ServiceClusterIPRanges = ipnet.String()
 	o.AllowPrivileged = true