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

@@ -138,58 +138,82 @@ func init() {
 
 // CommandInitOption holds all flags options for init.
 type CommandInitOption struct {
-	ImageRegistry                      string
+	ImageRegistry          string
-	ImagePullPolicy                    string
+	ImagePullPolicy        string
-	KubeImageRegistry                  string
+	KubeImageRegistry      string
-	KubeImageMirrorCountry             string
+	KubeImageMirrorCountry string
-	KubeImageTag                       string
+	KubeImageTag           string
-	EtcdImage                          string
+
-	EtcdReplicas                       int32
+	// internal etcd
-	EtcdInitImage                      string
+	EtcdImage                 string
-	EtcdStorageMode                    string
+	EtcdReplicas              int32
-	EtcdHostDataPath                   string
+	EtcdInitImage             string
-	EtcdNodeSelectorLabels             string
+	EtcdStorageMode           string
-	EtcdNodeSelectorLabelsMap          map[string]string
+	EtcdHostDataPath          string
-	EtcdPersistentVolumeSize           string
+	EtcdNodeSelectorLabels    string
-	ExternalEtcdCACertPath             string
+	EtcdNodeSelectorLabelsMap map[string]string
-	ExternalEtcdClientCertPath         string
+	EtcdPersistentVolumeSize  string
-	ExternalEtcdClientKeyPath          string
+	EtcdPriorityClass         string
-	ExternalEtcdServers                string
+
-	ExternalEtcdKeyPrefix              string
+	// external etcd
-	KarmadaAPIServerImage              string
+	ExternalEtcdCACertPath     string
-	KarmadaAPIServerReplicas           int32
+	ExternalEtcdClientCertPath string
-	KarmadaAPIServerAdvertiseAddress   string
+	ExternalEtcdClientKeyPath  string
-	KarmadaAPIServerNodePort           int32
+	ExternalEtcdServers        string
-	KarmadaSchedulerImage              string
+	ExternalEtcdKeyPrefix      string
-	KarmadaSchedulerReplicas           int32
+
+	// 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
-	KarmadaControllerManagerImage      string
+	KubeControllerManagerPriorityClass string
-	KarmadaControllerManagerReplicas   int32
+
-	KarmadaWebhookImage                string
+	// karmada-controller-manager
-	KarmadaWebhookReplicas             int32
+	KarmadaControllerManagerImage         string
-	KarmadaAggregatedAPIServerImage    string
+	KarmadaControllerManagerReplicas      int32
-	KarmadaAggregatedAPIServerReplicas int32
+	KarmadaControllerManagerPriorityClass string
-	Namespace                          string
+
-	KubeConfig                         string
+	KarmadaWebhookImage         string
-	Context                            string
+	KarmadaWebhookReplicas      int32
-	StorageClassesName                 string
+	KarmadaWebhookPriorityClass string
-	KarmadaDataPath                    string
+
-	KarmadaPkiPath                     string
+	// karamda-aggregated-apiserver
-	CRDs                               string
+	KarmadaAggregatedAPIServerImage         string
-	ExternalIP                         string
+	KarmadaAggregatedAPIServerReplicas      int32
-	ExternalDNS                        string
+	KarmadaAggregatedAPIServerPriorityClass string
-	PullSecrets                        []string
+
-	CertValidity                       time.Duration
+	Namespace          string
-	KubeClientSet                      kubernetes.Interface
+	KubeConfig         string
-	CertAndKeyFileData                 map[string][]byte
+	Context            string
-	RestConfig                         *rest.Config
+	StorageClassesName string
-	KarmadaAPIServerIP                 []net.IP
+	KarmadaDataPath    string
-	HostClusterDomain                  string
+	KarmadaPkiPath     string
-	WaitComponentReadyTimeout          int
+	CRDs               string
-	CaCertFile                         string
+	ExternalIP         string
-	CaKeyFile                          string
+	ExternalDNS        string
-	KarmadaInitFilePath                string
+	PullSecrets        []string
+	CertValidity       time.Duration
+	KubeClientSet      kubernetes.Interface
+	CertAndKeyFileData map[string][]byte
+	RestConfig         *rest.Config
+
+	HostClusterDomain         string
+	WaitComponentReadyTimeout int
+	CaCertFile                string
+	CaKeyFile                 string
+	KarmadaInitFilePath       string
 }
 
 func (i *CommandInitOption) validateLocalEtcd(parentCommand string) error {

pkg/karmadactl/cmdinit/kubernetes/deployments.go

@@ -164,7 +164,8 @@ func (i *CommandInitOption) makeKarmadaAPIServerDeployment() *appsv1.Deployment
 	}
 
 	podSpec := corev1.PodSpec{
-		ImagePullSecrets: i.getImagePullSecrets(),
+		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaAPIServerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -278,7 +279,8 @@ func (i *CommandInitOption) makeKarmadaKubeControllerManagerDeployment() *appsv1
 	}
 
 	podSpec := corev1.PodSpec{
-		ImagePullSecrets: i.getImagePullSecrets(),
+		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KubeControllerManagerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -423,7 +425,8 @@ func (i *CommandInitOption) makeKarmadaSchedulerDeployment() *appsv1.Deployment
 	}
 
 	podSpec := corev1.PodSpec{
-		ImagePullSecrets: i.getImagePullSecrets(),
+		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaSchedulerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -561,7 +564,8 @@ func (i *CommandInitOption) makeKarmadaControllerManagerDeployment() *appsv1.Dep
 	}
 
 	podSpec := corev1.PodSpec{
-		ImagePullSecrets: i.getImagePullSecrets(),
+		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaControllerManagerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -683,7 +687,8 @@ func (i *CommandInitOption) makeKarmadaWebhookDeployment() *appsv1.Deployment {
 	}
 
 	podSpec := corev1.PodSpec{
-		ImagePullSecrets: i.getImagePullSecrets(),
+		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaWebhookPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{
@@ -858,7 +863,8 @@ func (i *CommandInitOption) makeKarmadaAggregatedAPIServerDeployment() *appsv1.D
 		command = append(command, fmt.Sprintf("--etcd-prefix=%s", i.ExternalEtcdKeyPrefix))
 	}
 	podSpec := corev1.PodSpec{
-		ImagePullSecrets: i.getImagePullSecrets(),
+		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.KarmadaAggregatedAPIServerPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				RequiredDuringSchedulingIgnoredDuringExecution: []corev1.PodAffinityTerm{

pkg/karmadactl/cmdinit/kubernetes/statefulset.go

@@ -232,7 +232,8 @@ func (i *CommandInitOption) makeETCDStatefulSet() *appsv1.StatefulSet {
 
 	// etcd Container
 	podSpec := corev1.PodSpec{
-		ImagePullSecrets: i.getImagePullSecrets(),
+		ImagePullSecrets:  i.getImagePullSecrets(),
+		PriorityClassName: i.EtcdPriorityClass,
 		Affinity: &corev1.Affinity{
 			PodAntiAffinity: &corev1.PodAntiAffinity{
 				PreferredDuringSchedulingIgnoredDuringExecution: []corev1.WeightedPodAffinityTerm{