ipam/cmd/subnet-delete.go

/*
Copyright © 2023 Laura Kalb <dev@lauka.net>
*/
package cmd

import (
    "fmt"
    "net/netip"
    "os"

    "github.com/spf13/cobra"
)

// deleteCmd represents the delete command
var subnetdeleteCmd = &cobra.Command{
    Use:     "delete",
    Short:   "delete subnet",
    Long:    `Delete a subnet from the ipam.`,
    Args:    cobra.ExactArgs(1),
    Aliases: []string{"d"},
    Example: "ipam subnet delete 192.168.0.0/24",
    Run: func(cmd *cobra.Command, args []string) {
        subnet, parseerr := netip.ParsePrefix(args[0])
        if parseerr != nil {
            fmt.Println("[ERROR]", parseerr)
            os.Exit(1)
        }

        if !SubnetExists(subnet) {
            fmt.Printf("[ERROR] Couldn't find subnet %v\n", subnet.String())
            os.Exit(1)
        }

        subnetobj, suberr := GetSubnet(subnet)
        if suberr != nil {
            fmt.Println("[ERROR]", suberr)
            os.Exit(1)
        }

        var confirmation string
        skipinteractive, _ := cmd.Flags().GetBool("yes")
        if skipinteractive {
            confirmation = "y"
        } else {
            fmt.Printf("[WARNING] Do you really want to delete subnet %v?\n", subnet.String())
            fmt.Printf("[WARNING] This will also delete all DNS records if PowerDNS integration is enabled!\n")
            fmt.Printf("[WARNING] Continue? [y/N] ")
            fmt.Scan(&confirmation)
        }

        if (confirmation == "y") || (confirmation == "Y") {
            for _, address := range subnetobj.Addresses {
                if address.FQDN != "" {
                    deleteerr := DeleteDNSFqdn(address.FQDN, address.IP)
                    if deleteerr != nil {
                        fmt.Println("[ERROR]", deleteerr)
                    }
                }
            }
            deleteerr := DeleteSubnet(subnet)
            if deleteerr != nil {
                fmt.Println("[ERROR]", deleteerr)
                os.Exit(1)
            } else {
                fmt.Printf("deleted subnet %v\n", subnet.String())
            }

        }
    },
}

func init() {
    subnetCmd.AddCommand(subnetdeleteCmd)

    // Here you will define your flags and configuration settings.

    // Cobra supports Persistent Flags which will work for this command
    // and all subcommands, e.g.:
    // deleteCmd.PersistentFlags().String("foo", "", "A help for foo")

    // Cobra supports local flags which will only run when this command
    // is called directly, e.g.:
    // deleteCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
    subnetdeleteCmd.Flags().BoolP("yes", "y", false, "suppress interactive prompts and answer yes.")
}