chore: support kube-scheduler config version

Support kube-scheduler config version. Signed-off-by: Noel Georgi <git@frezbo.dev>
siderolabs · Nov 10, 2023 · fa05430 · fa05430
1 parent 68bf392
commit fa05430
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Showing 2 changed files with 17 additions and 1 deletion.
diff --git a/kubernetes/compatibility/features.go b/kubernetes/compatibility/features.go
@@ -17,3 +17,15 @@ func (v Version) FeatureFlagSeccompDefaultEnabledByDefault() bool {
 	// see https://github.com/kubernetes/kubernetes/pull/110805
 	return semver.Version(v).GTE(semver.Version{Major: 1, Minor: 25})
 }
+
+// KubeSchedulerConfigurationAPIVersion returns the API version of the kube-scheduler configuration.
+func (v Version) KubeSchedulerConfigurationAPIVersion() string {
+	// https://v1-25.docs.kubernetes.io/docs/reference/scheduling/config/
+	// v1.25 and above supports v1
+	if semver.Version(v).GTE(semver.Version{Major: 1, Minor: 25}) {
+		return "kubescheduler.config.k8s.io/v1"
+	}
+
+	// see https://v1-24.docs.kubernetes.io/docs/reference/scheduling/config/
+	return "kubescheduler.config.k8s.io/v1beta3"
+}
diff --git a/kubernetes/compatibility/features_test.go b/kubernetes/compatibility/features_test.go
@@ -13,11 +13,12 @@ import (
 )
 
 func TestFeatures(t *testing.T) {
-	for _, test := range []struct {
+	for _, test := range []struct { //nolint:govet
 		versions []compatibility.Version
 
 		expectedSupportsKubeletConfigContainerRuntimeEndpoint bool
 		expectedFeatureFlagSeccompDefaultEnabledByDefault     bool
+		expectedKubeSchedulerConfigurationAPIVersion          string
 	}{
 		{
 			versions: []compatibility.Version{
@@ -26,6 +27,7 @@ func TestFeatures(t *testing.T) {
 
 			expectedSupportsKubeletConfigContainerRuntimeEndpoint: false,
 			expectedFeatureFlagSeccompDefaultEnabledByDefault:     false,
+			expectedKubeSchedulerConfigurationAPIVersion:          "kubescheduler.config.k8s.io/v1beta3",
 		},
 		{
 			versions: []compatibility.Version{
@@ -34,6 +36,7 @@ func TestFeatures(t *testing.T) {
 			},
 			expectedSupportsKubeletConfigContainerRuntimeEndpoint: false,
 			expectedFeatureFlagSeccompDefaultEnabledByDefault:     true,
+			expectedKubeSchedulerConfigurationAPIVersion:          "kubescheduler.config.k8s.io/v1",
 		},
 		{
 			versions: []compatibility.Version{
@@ -44,6 +47,7 @@ func TestFeatures(t *testing.T) {
 			},
 			expectedSupportsKubeletConfigContainerRuntimeEndpoint: true,
 			expectedFeatureFlagSeccompDefaultEnabledByDefault:     true,
+			expectedKubeSchedulerConfigurationAPIVersion:          "kubescheduler.config.k8s.io/v1",
 		},
 	} {
 		for _, version := range test.versions {