Add Support for Component Priority Class Configuration in karmadactl init

Signed-off-by: zhzhuang-zju <m17799853869@163.com>

pkg/karmadactl/cmdinit/cmdinit.go

@@ -150,6 +150,7 @@ func NewCmdInit(parentCommand string) *cobra.Command {
 	flags.StringVar(&opts.ExternalEtcdClientKeyPath, "external-etcd-client-key-path", "", "The path of client side private key to the external etcd cluster in pem format.")
 	flags.StringVar(&opts.ExternalEtcdServers, "external-etcd-servers", "", "The server urls of external etcd cluster, to be used by kube-apiserver through --etcd-servers.")
 	flags.StringVar(&opts.ExternalEtcdKeyPrefix, "external-etcd-key-prefix", "", "The key prefix to be configured to kube-apiserver through --etcd-prefix.")
+	flags.StringVar(&opts.EtcdPriorityClass, "etcd-priority-class", "system-node-critical", "The priority class name for the component etcd.")
 	// karmada
 	flags.StringVar(&opts.CRDs, "crds", kubernetes.DefaultCrdURL, "Karmada crds resource.(local file e.g. --crds /root/crds.tar.gz)")
 	flags.StringVar(&opts.KarmadaInitFilePath, "config", "", "Karmada init file path")
@@ -157,19 +158,31 @@ func NewCmdInit(parentCommand string) *cobra.Command {
 	flags.Int32VarP(&opts.KarmadaAPIServerNodePort, "port", "p", 32443, "Karmada apiserver service node port")
 	flags.StringVarP(&opts.KarmadaDataPath, "karmada-data", "d", "/etc/karmada", "Karmada data path. kubeconfig cert and crds files")
 	flags.StringVarP(&opts.KarmadaPkiPath, "karmada-pki", "", "/etc/karmada/pki", "Karmada pki path. Karmada cert files")
+	flags.IntVarP(&opts.WaitComponentReadyTimeout, "wait-component-ready-timeout", "", cmdinitoptions.WaitComponentReadyTimeout, "Wait for karmada component ready timeout. 0 means wait forever")
+	// karmada-apiserver
 	flags.StringVarP(&opts.KarmadaAPIServerImage, "karmada-apiserver-image", "", "", "Kubernetes apiserver image")
 	flags.Int32VarP(&opts.KarmadaAPIServerReplicas, "karmada-apiserver-replicas", "", 1, "Karmada apiserver replica set")
+	flags.StringVar(&opts.KarmadaAPIServerPriorityClass, "karmada-apiserver-priority-class", "system-node-critical", "The priority class name for the component karmada-apiserver.")
+	// karmada-scheduler
 	flags.StringVarP(&opts.KarmadaSchedulerImage, "karmada-scheduler-image", "", kubernetes.DefaultKarmadaSchedulerImage, "Karmada scheduler image")
 	flags.Int32VarP(&opts.KarmadaSchedulerReplicas, "karmada-scheduler-replicas", "", 1, "Karmada scheduler replica set")
+	flags.StringVar(&opts.KarmadaSchedulerPriorityClass, "karmada-scheduler-priority-class", "system-node-critical", "The priority class name for the component karmada-scheduler.")
+	// karmada-kube-controller-manager
 	flags.StringVarP(&opts.KubeControllerManagerImage, "karmada-kube-controller-manager-image", "", "", "Kubernetes controller manager image")
 	flags.Int32VarP(&opts.KubeControllerManagerReplicas, "karmada-kube-controller-manager-replicas", "", 1, "Karmada kube controller manager replica set")
+	flags.StringVar(&opts.KubeControllerManagerPriorityClass, "karmada-kube-controller-manager-priority-class", "system-node-critical", "The priority class name for the component karmada-kube-controller-manager.")
+	// karamda-controller-manager
 	flags.StringVarP(&opts.KarmadaControllerManagerImage, "karmada-controller-manager-image", "", kubernetes.DefaultKarmadaControllerManagerImage, "Karmada controller manager image")
 	flags.Int32VarP(&opts.KarmadaControllerManagerReplicas, "karmada-controller-manager-replicas", "", 1, "Karmada controller manager replica set")
+	flags.StringVar(&opts.KarmadaControllerManagerPriorityClass, "karmada-controller-manager-priority-class", "system-node-critical", "The priority class name for the component karmada-controller-manager.")
+	// karmada-webhook
 	flags.StringVarP(&opts.KarmadaWebhookImage, "karmada-webhook-image", "", kubernetes.DefaultKarmadaWebhookImage, "Karmada webhook image")
 	flags.Int32VarP(&opts.KarmadaWebhookReplicas, "karmada-webhook-replicas", "", 1, "Karmada webhook replica set")
+	flags.StringVar(&opts.KarmadaWebhookPriorityClass, "karmada-webhook-priority-class", "system-node-critical", "The priority class name for the component karmada-webhook.")
+	// karmada-aggregated-apiserver
 	flags.StringVarP(&opts.KarmadaAggregatedAPIServerImage, "karmada-aggregated-apiserver-image", "", kubernetes.DefaultKarmadaAggregatedAPIServerImage, "Karmada aggregated apiserver image")
 	flags.Int32VarP(&opts.KarmadaAggregatedAPIServerReplicas, "karmada-aggregated-apiserver-replicas", "", 1, "Karmada aggregated apiserver replica set")
-	flags.IntVarP(&opts.WaitComponentReadyTimeout, "wait-component-ready-timeout", "", cmdinitoptions.WaitComponentReadyTimeout, "Wait for karmada component ready timeout. 0 means wait forever")
+	flags.StringVar(&opts.KarmadaAggregatedAPIServerPriorityClass, "karmada-aggregated-apiserver-priority-class", "system-node-critical", "The priority class name for the component karmada-aggregated-apiserver.")
 
 	return cmd
 }

pkg/karmadactl/cmdinit/kubernetes/deploy.go

@@ -143,6 +143,8 @@ type CommandInitOption struct {
 	KubeImageRegistry      string
 	KubeImageMirrorCountry string
 	KubeImageTag           string
+
+	// internal etcd
 	EtcdImage                 string
 	EtcdReplicas              int32
 	EtcdInitImage             string
@@ -151,25 +153,47 @@ type CommandInitOption struct {
 	EtcdNodeSelectorLabels    string
 	EtcdNodeSelectorLabelsMap map[string]string
 	EtcdPersistentVolumeSize  string
+	EtcdPriorityClass         string
+
+	// external etcd
 	ExternalEtcdCACertPath     string
 	ExternalEtcdClientCertPath string
 	ExternalEtcdClientKeyPath  string
 	ExternalEtcdServers        string
 	ExternalEtcdKeyPrefix      string
+
+	// karmada-apiserver
 	KarmadaAPIServerImage            string
 	KarmadaAPIServerReplicas         int32
 	KarmadaAPIServerAdvertiseAddress string
 	KarmadaAPIServerNodePort         int32
+	KarmadaAPIServerIP               []net.IP
+	KarmadaAPIServerPriorityClass    string
+
+	// karmada-scheduler
 	KarmadaSchedulerImage         string
 	KarmadaSchedulerReplicas      int32
+	KarmadaSchedulerPriorityClass string
+
+	// kube-controller-manager
 	KubeControllerManagerImage         string
 	KubeControllerManagerReplicas      int32
+	KubeControllerManagerPriorityClass string
+
+	// karmada-controller-manager
 	KarmadaControllerManagerImage         string
 	KarmadaControllerManagerReplicas      int32
+	KarmadaControllerManagerPriorityClass string
+
 	KarmadaWebhookImage         string
 	KarmadaWebhookReplicas      int32
+	KarmadaWebhookPriorityClass string
+
+	// karamda-aggregated-apiserver
 	KarmadaAggregatedAPIServerImage         string
 	KarmadaAggregatedAPIServerReplicas      int32
+	KarmadaAggregatedAPIServerPriorityClass string
+
 	Namespace          string
 	KubeConfig         string
 	Context            string
@@ -184,7 +208,7 @@ type CommandInitOption struct {
 	KubeClientSet      kubernetes.Interface
 	CertAndKeyFileData map[string][]byte
 	RestConfig         *rest.Config
-	KarmadaAPIServerIP                 []net.IP
+
 	HostClusterDomain         string
 	WaitComponentReadyTimeout int
 	CaCertFile                string

pkg/karmadactl/cmdinit/kubernetes/deployments.go

@@ -165,6 +165,7 @@ func (i *CommandInitOption) makeKarmadaAPIServerDeployment() *appsv1.Deployment
 
 	podSpec := corev1.PodSpec{
 		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaAPIServerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -279,6 +280,7 @@ func (i *CommandInitOption) makeKarmadaKubeControllerManagerDeployment() *appsv1
 
 	podSpec := corev1.PodSpec{
 		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KubeControllerManagerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -424,6 +426,7 @@ func (i *CommandInitOption) makeKarmadaSchedulerDeployment() *appsv1.Deployment
 
 	podSpec := corev1.PodSpec{
 		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaSchedulerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -562,6 +565,7 @@ func (i *CommandInitOption) makeKarmadaControllerManagerDeployment() *appsv1.Dep
 
 	podSpec := corev1.PodSpec{
 		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaControllerManagerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -684,6 +688,7 @@ func (i *CommandInitOption) makeKarmadaWebhookDeployment() *appsv1.Deployment {
 
 	podSpec := corev1.PodSpec{
 		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaWebhookPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -859,6 +864,7 @@ func (i *CommandInitOption) makeKarmadaAggregatedAPIServerDeployment() *appsv1.D
 	}
 	podSpec := corev1.PodSpec{
 		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaAggregatedAPIServerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{

pkg/karmadactl/cmdinit/kubernetes/statefulset.go

@@ -233,6 +233,7 @@ func (i *CommandInitOption) makeETCDStatefulSet() *appsv1.StatefulSet {
 	// etcd Container
 	podSpec := corev1.PodSpec{
 		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.EtcdPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				PreferredDuringSchedulingIgnoredDuringExecution: []corev1.WeightedPodAffinityTerm{