xetys/hetzner-kube

package cmd

import (
    "errors"
    "fmt"

    "github.com/spf13/cobra"
)

// clusterAddWorkerCmd represents the clusterAddWorker command
var clusterMasterIPCmd = &cobra.Command{
    Use:   "master-ip <clustername>",
    Short: "get master node ip",
    Long:  `Returns the IP of the master node. If it's a HA cluster, the IP of the first master will be returned'`,
    Args:  cobra.ExactArgs(1),
    PreRunE: func(cmd *cobra.Command, args []string) error {
        name := args[0]

        if name == "" {
            return errors.New("name is required")
        }

        idx, _ := AppConf.Config.FindClusterByName(name)

        if idx == -1 {
            return fmt.Errorf("cluster '%s' not found", name)
        }
        return nil
    },
    Run: func(cmd *cobra.Command, args []string) {
        name := args[0]
        _, cluster := AppConf.Config.FindClusterByName(name)
        for _, node := range cluster.Nodes {
            if node.IsMaster {
                fmt.Println(node.IPAddress)
                break
            }
        }
    },
}

func init() {
    clusterCmd.AddCommand(clusterMasterIPCmd)
}