feat: support specify global image registry for addons

Signed-off-by: xin.li <xin.li@daocloud.io>

pkg/karmadactl/addons/descheduler/descheduler.go

@@ -45,7 +45,7 @@ var enableDescheduler = func(opts *addoninit.CommandAddonsEnableOption) error {
 	karmadaDeschedulerDeploymentBytes, err := addonutils.ParseTemplate(karmadaDeschedulerDeployment, DeploymentReplace{
 		Namespace: opts.Namespace,
 		Replicas:  &opts.KarmadaDeschedulerReplicas,
-		Image:     opts.KarmadaDeschedulerImage,
+		Image:     addoninit.KarmadaDeschedulerImage(opts),
 	})
 	if err != nil {
 		return fmt.Errorf("error when parsing karmada descheduler deployment template :%v", err)

pkg/karmadactl/addons/enable.go

@@ -4,13 +4,11 @@ import (
 	"fmt"
 
 	"github.com/spf13/cobra"
-	"k8s.io/klog/v2"
 	"k8s.io/kubectl/pkg/util/templates"
 
 	addoninit "github.com/karmada-io/karmada/pkg/karmadactl/addons/init"
 	"github.com/karmada-io/karmada/pkg/karmadactl/cmdinit/options"
 	globaloptions "github.com/karmada-io/karmada/pkg/karmadactl/options"
-	"github.com/karmada-io/karmada/pkg/version"
 )
 
 var (
@@ -65,21 +63,16 @@ func NewCmdAddonsEnable(parentCommand string) *cobra.Command {
 		},
 	}
 
-	releaseVer, err := version.ParseGitVersion(version.Get().GitVersion)
-	if err != nil {
-		klog.Infof("No default release version found. build version: %s", version.Get().String())
-		releaseVer = &version.ReleaseVersion{} // initialize to avoid panic
-	}
-
 	flags := cmd.Flags()
 	opts.GlobalCommandOptions.AddFlags(flags)
+	flags.StringVarP(&opts.ImageRegistry, "private-image-registry", "", "", "Private image registry where pull images from. If set, all required images will be downloaded from it, it would be useful in offline installation scenarios.")
 	flags.IntVar(&opts.WaitComponentReadyTimeout, "pod-timeout", options.WaitComponentReadyTimeout, "Wait pod ready timeout.")
 	flags.IntVar(&opts.WaitAPIServiceReadyTimeout, "apiservice-timeout", 30, "Wait apiservice ready timeout.")
-	flags.StringVar(&opts.KarmadaSearchImage, "karmada-search-image", fmt.Sprintf("docker.io/karmada/karmada-search:%s", releaseVer.PatchRelease()), "karmada search image")
+	flags.StringVar(&opts.KarmadaSearchImage, "karmada-search-image", addoninit.DefaultKarmadaSearchImage, "karmada search image")
 	flags.Int32Var(&opts.KarmadaSearchReplicas, "karmada-search-replicas", 1, "Karmada search replica set")
-	flags.StringVar(&opts.KarmadaDeschedulerImage, "karmada-descheduler-image", fmt.Sprintf("docker.io/karmada/karmada-descheduler:%s", releaseVer.PatchRelease()), "karmada descheduler image")
+	flags.StringVar(&opts.KarmadaDeschedulerImage, "karmada-descheduler-image", addoninit.DefaultKarmadaDeschedulerImage, "karmada descheduler image")
 	flags.Int32Var(&opts.KarmadaDeschedulerReplicas, "karmada-descheduler-replicas", 1, "Karmada descheduler replica set")
-	flags.StringVar(&opts.KarmadaSchedulerEstimatorImage, "karmada-scheduler-estimator-image", fmt.Sprintf("docker.io/karmada/karmada-scheduler-estimator:%s", releaseVer.PatchRelease()), "karmada scheduler-estimator image")
+	flags.StringVar(&opts.KarmadaSchedulerEstimatorImage, "karmada-scheduler-estimator-image", addoninit.DefaultKarmadaSchedulerEstimatorImage, "karmada scheduler-estimator image")
 	flags.Int32Var(&opts.KarmadaEstimatorReplicas, "karmada-estimator-replicas", 1, "Karmada scheduler estimator replica set")
 	flags.StringVar(&opts.MemberKubeConfig, "member-kubeconfig", "", "Member cluster's kubeconfig which to deploy scheduler estimator")
 	flags.StringVar(&opts.MemberContext, "member-context", "", "Member cluster's context which to deploy scheduler estimator")

pkg/karmadactl/addons/estimator/estimator.go

@@ -96,7 +96,7 @@ var enableEstimator = func(opts *addoninit.CommandAddonsEnableOption) error {
 	karmadaEstimatorDeploymentBytes, err := addonutils.ParseTemplate(karmadaEstimatorDeployment, DeploymentReplace{
 		Namespace:         opts.Namespace,
 		Replicas:          &opts.KarmadaEstimatorReplicas,
-		Image:             opts.KarmadaSchedulerEstimatorImage,
+		Image:             addoninit.KarmadaSchedulerEstimatorImage(opts),
 		MemberClusterName: opts.Cluster,
 	})
 	if err != nil {

pkg/karmadactl/addons/init/enable_option.go

@@ -12,6 +12,7 @@ import (
 
 	cmdinit "github.com/karmada-io/karmada/pkg/karmadactl/cmdinit/kubernetes"
 	"github.com/karmada-io/karmada/pkg/karmadactl/util/apiclient"
+	"github.com/karmada-io/karmada/pkg/version"
 )
 
 // CommandAddonsEnableOption options for addons list.
@@ -32,6 +33,8 @@ type CommandAddonsEnableOption struct {
 
 	KarmadaKubeClientSet *kubernetes.Clientset
 
+	ImageRegistry string
+
 	WaitComponentReadyTimeout int
 
 	WaitAPIServiceReadyTimeout int
@@ -43,6 +46,54 @@ type CommandAddonsEnableOption struct {
 	HostClusterDomain string
 }
 
+var (
+	// DefaultKarmadaDeschedulerImage Karmada descheduler image
+	DefaultKarmadaDeschedulerImage string
+	// DefaultKarmadaSchedulerEstimatorImage Karmada scheduler-estimator image
+	DefaultKarmadaSchedulerEstimatorImage string
+	// DefaultKarmadaSearchImage Karmada search estimator image
+	DefaultKarmadaSearchImage string
+
+	karmadaRelease string
+)
+
+func init() {
+	releaseVer, err := version.ParseGitVersion(version.Get().GitVersion)
+	if err != nil {
+		klog.Infof("No default release version found. build version: %s", version.Get().String())
+		releaseVer = &version.ReleaseVersion{} // initialize to avoid panic
+	}
+	karmadaRelease = releaseVer.PatchRelease()
+
+	DefaultKarmadaDeschedulerImage = fmt.Sprintf("docker.io/karmada/karmada-descheduler:%s", releaseVer.PatchRelease())
+	DefaultKarmadaSchedulerEstimatorImage = fmt.Sprintf("docker.io/karmada/karmada-scheduler-estimator:%s", releaseVer.PatchRelease())
+	DefaultKarmadaSearchImage = fmt.Sprintf("docker.io/karmada/karmada-search:%s", releaseVer.PatchRelease())
+}
+
+// KarmadaDeschedulerImage get karmada descheduler image
+func KarmadaDeschedulerImage(o *CommandAddonsEnableOption) string {
+	if o.ImageRegistry != "" && o.KarmadaDeschedulerImage == DefaultKarmadaDeschedulerImage {
+		return o.ImageRegistry + "/karmada-descheduler:" + karmadaRelease
+	}
+	return o.KarmadaDeschedulerImage
+}
+
+// KarmadaSchedulerEstimatorImage get karmada scheduler-estimator image
+func KarmadaSchedulerEstimatorImage(o *CommandAddonsEnableOption) string {
+	if o.ImageRegistry != "" && o.KarmadaDeschedulerImage == DefaultKarmadaDeschedulerImage {
+		return o.ImageRegistry + "/karmada-scheduler-estimator:" + karmadaRelease
+	}
+	return o.KarmadaDeschedulerImage
+}
+
+// KarmadaSearchImage get karmada search image
+func KarmadaSearchImage(o *CommandAddonsEnableOption) string {
+	if o.ImageRegistry != "" && o.KarmadaDeschedulerImage == DefaultKarmadaDeschedulerImage {
+		return o.ImageRegistry + "/karmada-search:" + karmadaRelease
+	}
+	return o.KarmadaDeschedulerImage
+}
+
 // Complete the conditions required to be able to run enable.
 func (o *CommandAddonsEnableOption) Complete() error {
 	err := o.GlobalCommandOptions.Complete()

pkg/karmadactl/addons/search/search.go

@@ -146,7 +146,7 @@ func installComponentsOnHostCluster(opts *addoninit.CommandAddonsEnableOption) e
 		Namespace:  opts.Namespace,
 		Replicas:   &opts.KarmadaSearchReplicas,
 		ETCDSevers: etcdServers,
-		Image:      opts.KarmadaSearchImage,
+		Image:      addoninit.KarmadaSearchImage(opts),
 	})
 	if err != nil {
 		return fmt.Errorf("error when parsing karmada search deployment template :%v", err)