forked from kubernetes/kops
/
import_cluster.go
76 lines (61 loc) · 1.5 KB
/
import_cluster.go
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package main
import (
"fmt"
"github.com/spf13/cobra"
"k8s.io/kops/upup/pkg/fi/cloudup/awsup"
"k8s.io/kops/upup/pkg/kutil"
)
type ImportClusterCmd struct {
Region string
}
var importCluster ImportClusterCmd
func init() {
cmd := &cobra.Command{
Use: "cluster",
Short: "Import existing cluster into the state store",
Long: `Imports the settings of an existing k8s cluster.`,
Run: func(cmd *cobra.Command, args []string) {
err := importCluster.Run()
if err != nil {
exitWithError(err)
}
},
}
importCmd.AddCommand(cmd)
cmd.Flags().StringVar(&importCluster.Region, "region", "", "region")
}
func (c *ImportClusterCmd) Run() error {
if c.Region == "" {
return fmt.Errorf("--region is required")
}
clusterName := rootCommand.clusterName
if clusterName == "" {
return fmt.Errorf("--name is required")
}
tags := map[string]string{awsup.TagClusterName: clusterName}
cloud, err := awsup.NewAWSCloud(c.Region, tags)
if err != nil {
return fmt.Errorf("error initializing AWS client: %v", err)
}
clientset, err := rootCommand.Clientset()
if err != nil {
return err
}
cluster, err := clientset.Clusters().Get(clusterName)
if err != nil {
return err
}
if cluster != nil {
return fmt.Errorf("cluster already exists: %q", clusterName)
}
d := &kutil.ImportCluster{}
d.ClusterName = clusterName
d.Cloud = cloud
d.Clientset = clientset
err = d.ImportAWSCluster()
if err != nil {
return err
}
fmt.Printf("\nImported settings for cluster %q\n", clusterName)
return nil
}