126 lines
7.6 KiB
Go
126 lines
7.6 KiB
Go
package cmdinit
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import (
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"fmt"
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"io"
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"github.com/spf13/cobra"
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"k8s.io/klog/v2"
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"github.com/karmada-io/karmada/pkg/karmadactl/cmdinit/kubernetes"
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"github.com/karmada-io/karmada/pkg/version"
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)
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const (
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initShort = `install karmada in kubernetes.`
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initLong = `install karmada in kubernetes.`
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)
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// NewCmdInit install karmada on kubernetes
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func NewCmdInit(cmdOut io.Writer, parentCommand string) *cobra.Command {
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opts := kubernetes.CommandInitOption{}
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cmd := &cobra.Command{
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Use: "init",
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Short: initShort,
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Long: initLong,
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Example: initExample(parentCommand),
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SilenceUsage: true,
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RunE: func(cmd *cobra.Command, args []string) error {
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if err := opts.Validate(parentCommand); err != nil {
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return err
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}
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if err := opts.Complete(); err != nil {
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return err
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}
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if err := opts.RunInit(cmdOut, parentCommand); err != nil {
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return err
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}
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return nil
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},
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}
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flags := cmd.PersistentFlags()
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releaseVer, err := version.ParseGitVersion(version.Get().GitVersion)
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if err != nil {
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klog.Infof("No default release version found. build version: %s", version.Get().String())
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releaseVer = &version.ReleaseVersion{} // initialize to avoid panic
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}
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// kube image registry
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flags.StringVarP(&opts.KubeImageMirrorCountry, "kube-image-mirror-country", "", "", "Country code of the kube image registry to be used. For Chinese mainland users, set it to cn")
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flags.StringVarP(&opts.KubeImageRegistry, "kube-image-registry", "", "", "Kube image registry. For Chinese mainland users, you may use local gcr.io mirrors such as registry.cn-hangzhou.aliyuncs.com/google_containers to override default kube image registry")
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// cert
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flags.StringVar(&opts.ExternalIP, "cert-external-ip", "", "the external IP of Karmada certificate (e.g 192.168.1.2,172.16.1.2)")
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flags.StringVar(&opts.ExternalDNS, "cert-external-dns", "", "the external DNS of Karmada certificate (e.g localhost,localhost.com)")
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// Kubernetes
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flags.StringVarP(&opts.Namespace, "namespace", "n", "karmada-system", "Kubernetes namespace")
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flags.StringVar(&opts.StorageClassesName, "storage-classes-name", "", "Kubernetes StorageClasses Name")
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flags.StringVar(&opts.KubeConfig, "kubeconfig", "", "absolute path to the kubeconfig file")
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flags.StringVar(&opts.Context, "context", "", "The name of the kubeconfig context to use")
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// etcd
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flags.StringVarP(&opts.EtcdStorageMode, "etcd-storage-mode", "", "emptyDir",
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"etcd data storage mode(emptyDir,hostPath,PVC). value is PVC, specify --storage-classes-name")
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flags.StringVarP(&opts.EtcdImage, "etcd-image", "", "", "etcd image")
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flags.StringVarP(&opts.EtcdInitImage, "etcd-init-image", "", "docker.io/alpine:3.15.1", "etcd init container image")
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flags.Int32VarP(&opts.EtcdReplicas, "etcd-replicas", "", 1, "etcd replica set, cluster 3,5...singular")
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flags.StringVarP(&opts.EtcdHostDataPath, "etcd-data", "", "/var/lib/karmada-etcd", "etcd data path,valid in hostPath mode.")
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flags.StringVarP(&opts.EtcdNodeSelectorLabels, "etcd-node-selector-labels", "", "", "etcd pod select the labels of the node. valid in hostPath mode ( e.g. --etcd-node-selector-labels karmada.io/etcd=true)")
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flags.StringVarP(&opts.EtcdPersistentVolumeSize, "etcd-pvc-size", "", "5Gi", "etcd data path,valid in pvc mode.")
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// karmada
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crdURL := fmt.Sprintf("https://github.com/karmada-io/karmada/releases/download/%s/crds.tar.gz", releaseVer.FirstMinorRelease())
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flags.StringVar(&opts.CRDs, "crds", crdURL, "Karmada crds resource.(local file e.g. --crds /root/crds.tar.gz)")
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flags.Int32VarP(&opts.KarmadaAPIServerNodePort, "port", "p", 32443, "Karmada apiserver service node port")
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flags.StringVarP(&opts.KarmadaDataPath, "karmada-data", "d", "/etc/karmada", "karmada data path. kubeconfig cert and crds files")
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flags.StringVarP(&opts.KarmadaAPIServerImage, "karmada-apiserver-image", "", "", "Kubernetes apiserver image")
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flags.Int32VarP(&opts.KarmadaAPIServerReplicas, "karmada-apiserver-replicas", "", 1, "karmada apiserver replica set")
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flags.StringVarP(&opts.KarmadaSchedulerImage, "karmada-scheduler-image", "", fmt.Sprintf("swr.ap-southeast-1.myhuaweicloud.com/karmada/karmada-scheduler:%s", releaseVer.PatchRelease()), "karmada scheduler image")
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flags.Int32VarP(&opts.KarmadaSchedulerReplicas, "karmada-scheduler-replicas", "", 1, "karmada scheduler replica set")
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flags.StringVarP(&opts.KubeControllerManagerImage, "karmada-kube-controller-manager-image", "", "", "Kubernetes controller manager image")
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flags.Int32VarP(&opts.KubeControllerManagerReplicas, "karmada-kube-controller-manager-replicas", "", 1, "karmada kube controller manager replica set")
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flags.StringVarP(&opts.KarmadaControllerManagerImage, "karmada-controller-manager-image", "", fmt.Sprintf("swr.ap-southeast-1.myhuaweicloud.com/karmada/karmada-controller-manager:%s", releaseVer.PatchRelease()), "karmada controller manager image")
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flags.Int32VarP(&opts.KarmadaControllerManagerReplicas, "karmada-controller-manager-replicas", "", 1, "karmada controller manager replica set")
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flags.StringVarP(&opts.KarmadaWebhookImage, "karmada-webhook-image", "", fmt.Sprintf("swr.ap-southeast-1.myhuaweicloud.com/karmada/karmada-webhook:%s", releaseVer.PatchRelease()), "karmada webhook image")
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flags.Int32VarP(&opts.KarmadaWebhookReplicas, "karmada-webhook-replicas", "", 1, "karmada webhook replica set")
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flags.StringVarP(&opts.KarmadaAggregatedAPIServerImage, "karmada-aggregated-apiserver-image", "", fmt.Sprintf("swr.ap-southeast-1.myhuaweicloud.com/karmada/karmada-aggregated-apiserver:%s", releaseVer.PatchRelease()), "karmada aggregated apiserver image")
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flags.Int32VarP(&opts.KarmadaAggregatedAPIServerReplicas, "karmada-aggregated-apiserver-replicas", "", 1, "karmada aggregated apiserver replica set")
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return cmd
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}
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func initExample(parentCommand string) string {
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example := `
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# Install Karmada in Kubernetes cluster
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# The karmada-apiserver binds the master node's IP by default` + "\n" +
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fmt.Sprintf("%s init", parentCommand) + `
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# China mainland registry mirror can be specified by using kube-image-mirror-country` + "\n" +
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fmt.Sprintf("%s init --kube-image-mirror-country=cn", parentCommand) + `
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# Kube registry can be specified by using kube-image-registry` + "\n" +
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fmt.Sprintf("%s init --kube-image-registry=registry.cn-hangzhou.aliyuncs.com/google_containers", parentCommand) + `
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# Specify the URL to download CRD tarball` + "\n" +
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fmt.Sprintf("%s init --crds https://github.com/karmada-io/karmada/releases/download/v1.1.0/crds.tar.gz", parentCommand) + `
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# Specify the local CRD tarball` + "\n" +
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fmt.Sprintf("%s init --crds /root/crds.tar.gz", parentCommand) + `
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# Use PVC to persistent storage etcd data` + "\n" +
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fmt.Sprintf("%s init --etcd-storage-mode PVC --storage-classes-name {StorageClassesName}", parentCommand) + `
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# Use hostPath to persistent storage etcd data. For data security, only 1 etcd pod can run in hostPath mode` + "\n" +
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fmt.Sprintf("%s init --etcd-storage-mode hostPath --etcd-replicas 1", parentCommand) + `
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# Use hostPath to persistent storage etcd data but select nodes by labels` + "\n" +
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fmt.Sprintf("%s init --etcd-storage-mode hostPath --etcd-node-selector-labels karmada.io/etcd=true", parentCommand) + `
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# Private registry can be specified for all images` + "\n" +
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fmt.Sprintf("%s init --etcd-image local.registry.com/library/etcd:3.5.1-0", parentCommand) + `
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# Deploy highly available(HA) karmada` + "\n" +
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fmt.Sprintf("%s init --karmada-apiserver-replicas 3 --etcd-replicas 3 --etcd-storage-mode PVC --storage-classes-name {StorageClassesName}", parentCommand) + `
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# Specify external IPs(load balancer or HA IP) which used to sign the certificate` + "\n" +
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fmt.Sprintf("%s init --cert-external-ip 10.235.1.2 --cert-external-dns www.karmada.io", parentCommand)
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return example
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}
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