feat: add sync.toHost.pods.runtimeClassName

chart/values.schema.json

@@ -3245,6 +3245,10 @@
           "type": "boolean",
           "description": "UseSecretsForSATokens will use secrets to save the generated service account tokens by virtual cluster instead of using a\npod annotation."
         },
+        "runtimeClassName": {
+          "type": "string",
+          "description": "RuntimeClassName is the runtime class to set for synced pods."
+        },
         "rewriteHosts": {
           "$ref": "#/$defs/SyncRewriteHosts",
           "description": "RewriteHosts is a special option needed to rewrite statefulset containers to allow the correct FQDN. virtual cluster will add\na small container to each stateful set pod that will initially rewrite the /etc/hosts file to match the FQDN expected by\nthe virtual cluster."

chart/values.yaml

@@ -36,6 +36,8 @@ sync:
       # UseSecretsForSATokens will use secrets to save the generated service account tokens by virtual cluster instead of using a
       # pod annotation.
       useSecretsForSATokens: false
+      # RuntimeClassName is the runtime class to set for synced pods.
+      runtimeClassName: ""
       # RewriteHosts is a special option needed to rewrite statefulset containers to allow the correct FQDN. virtual cluster will add
       # a small container to each stateful set pod that will initially rewrite the /etc/hosts file to match the FQDN expected by
       # the virtual cluster.

config/config.go

@@ -654,6 +654,9 @@ type SyncPods struct {
 	// pod annotation.
 	UseSecretsForSATokens bool `json:"useSecretsForSATokens,omitempty"`
 
+	// RuntimeClassName is the runtime class to set for synced pods.
+	RuntimeClassName string `json:"runtimeClassName,omitempty"`
+
 	// RewriteHosts is a special option needed to rewrite statefulset containers to allow the correct FQDN. virtual cluster will add
 	// a small container to each stateful set pod that will initially rewrite the /etc/hosts file to match the FQDN expected by
 	// the virtual cluster.

config/values.yaml

@@ -20,6 +20,7 @@ sync:
       translateImage: {}
       enforceTolerations: []
       useSecretsForSATokens: false
+      runtimeClassName: ""
       rewriteHosts:
         enabled: true
         initContainer:

pkg/controllers/resources/pods/translate/translator.go

@@ -325,6 +325,11 @@ func (t *translator) Translate(ctx *synccontext.SyncContext, vPod *corev1.Pod, s
 		return nil, err
 	}
 
+	// add runtime class name
+	if ctx.Config.Sync.ToHost.Pods.RuntimeClassName != "" {
+		pPod.Spec.RuntimeClassName = &ctx.Config.Sync.ToHost.Pods.RuntimeClassName
+	}
+
 	// translate topology spread constraints
 	if t.enableScheduler {
 		pPod.Spec.TopologySpreadConstraints = nil