kea-manage/cmd/root.go
Matthew Stobbs 1d0a5811ce migrated to cobra structure
adding abstractions for database to avoid passing around the connection
2024-09-20 15:21:41 -06:00

110 lines
2.5 KiB
Go

/*
Copyright © 2024 NAME HERE <EMAIL ADDRESS>
*/
package cmd
import (
"context"
"log/slog"
"os"
"git.staur.ca/stobbsm/kea-manage/ipv4/reservation"
"git.staur.ca/stobbsm/kea-manage/lib/database/postgres"
"github.com/jackc/pgx/v5"
"github.com/spf13/cobra"
)
// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "kea-manage",
Short: "Manage the isc-kea dhcp server",
Long: `Manage the isc-kea dhcp server backend in database.`,
Run: runMain,
}
// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
err := rootCmd.Execute()
if err != nil {
os.Exit(1)
}
}
func init() {
// Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here,
// will be global for your application.
// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.kea-manage.yaml)")
// Cobra also supports local flags, which will only run
// when this action is called directly.
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
}
// Manage kea dhcp host reservations in postgresql directly
// postgresql schema used from [https://gitlab.isc.org/isc-projects/kea/-/wikis/docs/editing-host-reservations]
// This will only work with hw-address identifiers. If I need support for more, I'll add it
func runMain(cmd *cobra.Command, args []string) {
reslist := []*reservation.ReservationV4{
reservation.ReserveV4MacAddr(
"90:e2:ba:19:25:70",
"10.0.255.2",
"mars",
100,
),
reservation.ReserveV4MacAddr(
"90:e2:ba:19:25:70",
"10.1.255.2",
"mars",
101,
),
reservation.ReserveV4MacAddr(
"90:e2:ba:19:25:70",
"10.2.255.2",
"mars",
102,
),
reservation.ReserveV4MacAddr(
"90:e2:ba:19:25:70",
"10.3.255.2",
"mars",
103,
),
reservation.ReserveV4MacAddr(
"BC:24:11:E5:C5:AF",
"10.0.0.4",
"ns01",
100,
),
reservation.ReserveV4MacAddr(
"BC:24:11:B1:1C:AD",
"10.1.0.6",
"db01",
101,
),
}
pg := postgres.Open("10.1.0.6", 5432, "kea", "xGq42ZMeMUIWRK", "kea")
conn, err := pg.Connection(context.Background())
if err != nil {
slog.Error(err.Error())
} else {
slog.Info("connected to database")
}
defer conn.Close(context.Background())
for _, v := range reslist {
v := v
if err = v.Insert(conn); err != nil {
slog.Error(err.Error())
continue
}
slog.Info("inserted reservation", *v)
}
}