/
cmdinit.go
125 lines (107 loc) · 7.65 KB
/
cmdinit.go
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package cmdinit
import (
"fmt"
"strings"
"github.com/spf13/cobra"
"k8s.io/klog/v2"
"github.com/karmada-io/karmada/pkg/karmadactl/cmdinit/kubernetes"
"github.com/karmada-io/karmada/pkg/version"
)
const (
initShort = `Install karmada in kubernetes.`
initLong = `Install karmada in kubernetes.`
)
// NewCmdInit install karmada on kubernetes
func NewCmdInit(parentCommand string) *cobra.Command {
opts := kubernetes.CommandInitOption{}
cmd := &cobra.Command{
Use: "init",
Short: initShort,
Long: initLong,
Example: initExample(parentCommand),
SilenceUsage: true,
RunE: func(cmd *cobra.Command, args []string) error {
if err := opts.Validate(parentCommand); err != nil {
return err
}
if err := opts.Complete(); err != nil {
return err
}
if err := opts.RunInit(parentCommand); err != nil {
return err
}
return nil
},
}
flags := cmd.PersistentFlags()
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
}
// kube image registry
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")
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")
// cert
flags.StringVar(&opts.ExternalIP, "cert-external-ip", "", "the external IP of Karmada certificate (e.g 192.168.1.2,172.16.1.2)")
flags.StringVar(&opts.ExternalDNS, "cert-external-dns", "", "the external DNS of Karmada certificate (e.g localhost,localhost.com)")
// Kubernetes
flags.StringVarP(&opts.Namespace, "namespace", "n", "karmada-system", "Kubernetes namespace")
flags.StringVar(&opts.StorageClassesName, "storage-classes-name", "", "Kubernetes StorageClasses Name")
flags.StringVar(&opts.KubeConfig, "kubeconfig", "", "absolute path to the kubeconfig file")
flags.StringVar(&opts.Context, "context", "", "The name of the kubeconfig context to use")
// etcd
flags.StringVarP(&opts.EtcdStorageMode, "etcd-storage-mode", "", "emptyDir",
fmt.Sprintf("etcd data storage mode(%s). value is PVC, specify --storage-classes-name", strings.Join(kubernetes.SupportedStorageMode(), ",")))
flags.StringVarP(&opts.EtcdImage, "etcd-image", "", "", "etcd image")
flags.StringVarP(&opts.EtcdInitImage, "etcd-init-image", "", "docker.io/alpine:3.15.1", "etcd init container image")
flags.Int32VarP(&opts.EtcdReplicas, "etcd-replicas", "", 1, "etcd replica set, cluster 3,5...singular")
flags.StringVarP(&opts.EtcdHostDataPath, "etcd-data", "", "/var/lib/karmada-etcd", "etcd data path,valid in hostPath mode.")
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)")
flags.StringVarP(&opts.EtcdPersistentVolumeSize, "etcd-pvc-size", "", "5Gi", "etcd data path,valid in pvc mode.")
// karmada
crdURL := fmt.Sprintf("https://github.com/karmada-io/karmada/releases/download/%s/crds.tar.gz", releaseVer.FirstMinorRelease())
flags.StringVar(&opts.CRDs, "crds", crdURL, "Karmada crds resource.(local file e.g. --crds /root/crds.tar.gz)")
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.KarmadaAPIServerImage, "karmada-apiserver-image", "", "", "Kubernetes apiserver image")
flags.Int32VarP(&opts.KarmadaAPIServerReplicas, "karmada-apiserver-replicas", "", 1, "karmada apiserver replica set")
flags.StringVarP(&opts.KarmadaSchedulerImage, "karmada-scheduler-image", "", fmt.Sprintf("swr.ap-southeast-1.myhuaweicloud.com/karmada/karmada-scheduler:%s", releaseVer.PatchRelease()), "karmada scheduler image")
flags.Int32VarP(&opts.KarmadaSchedulerReplicas, "karmada-scheduler-replicas", "", 1, "karmada scheduler replica set")
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.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")
flags.Int32VarP(&opts.KarmadaControllerManagerReplicas, "karmada-controller-manager-replicas", "", 1, "karmada controller manager replica set")
flags.StringVarP(&opts.KarmadaWebhookImage, "karmada-webhook-image", "", fmt.Sprintf("swr.ap-southeast-1.myhuaweicloud.com/karmada/karmada-webhook:%s", releaseVer.PatchRelease()), "karmada webhook image")
flags.Int32VarP(&opts.KarmadaWebhookReplicas, "karmada-webhook-replicas", "", 1, "karmada webhook replica set")
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")
flags.Int32VarP(&opts.KarmadaAggregatedAPIServerReplicas, "karmada-aggregated-apiserver-replicas", "", 1, "karmada aggregated apiserver replica set")
return cmd
}
func initExample(parentCommand string) string {
example := `
# Install Karmada in Kubernetes cluster
# The karmada-apiserver binds the master node's IP by default` + "\n" +
fmt.Sprintf("%s init", parentCommand) + `
# China mainland registry mirror can be specified by using kube-image-mirror-country` + "\n" +
fmt.Sprintf("%s init --kube-image-mirror-country=cn", parentCommand) + `
# Kube registry can be specified by using kube-image-registry` + "\n" +
fmt.Sprintf("%s init --kube-image-registry=registry.cn-hangzhou.aliyuncs.com/google_containers", parentCommand) + `
# Specify the URL to download CRD tarball` + "\n" +
fmt.Sprintf("%s init --crds https://github.com/karmada-io/karmada/releases/download/v1.1.0/crds.tar.gz", parentCommand) + `
# Specify the local CRD tarball` + "\n" +
fmt.Sprintf("%s init --crds /root/crds.tar.gz", parentCommand) + `
# Use PVC to persistent storage etcd data` + "\n" +
fmt.Sprintf("%s init --etcd-storage-mode PVC --storage-classes-name {StorageClassesName}", parentCommand) + `
# Use hostPath to persistent storage etcd data. For data security, only 1 etcd pod can run in hostPath mode` + "\n" +
fmt.Sprintf("%s init --etcd-storage-mode hostPath --etcd-replicas 1", parentCommand) + `
# Use hostPath to persistent storage etcd data but select nodes by labels` + "\n" +
fmt.Sprintf("%s init --etcd-storage-mode hostPath --etcd-node-selector-labels karmada.io/etcd=true", parentCommand) + `
# Private registry can be specified for all images` + "\n" +
fmt.Sprintf("%s init --etcd-image local.registry.com/library/etcd:3.5.3-0", parentCommand) + `
# Deploy highly available(HA) karmada` + "\n" +
fmt.Sprintf("%s init --karmada-apiserver-replicas 3 --etcd-replicas 3 --etcd-storage-mode PVC --storage-classes-name {StorageClassesName}", parentCommand) + `
# Specify external IPs(load balancer or HA IP) which used to sign the certificate` + "\n" +
fmt.Sprintf("%s init --cert-external-ip 10.235.1.2 --cert-external-dns www.karmada.io", parentCommand)
return example
}