at-container-registry/deploy/upcloud/teardown.go

package main

import (
	"bufio"
	"context"
	"fmt"
	"os"
	"strings"
	"time"

	"github.com/UpCloudLtd/upcloud-go-api/v8/upcloud/request"
	"github.com/spf13/cobra"
)

var teardownCmd = &cobra.Command{
	Use:   "teardown",
	Short: "Destroy all infrastructure",
	Args:  cobra.NoArgs,
	RunE: func(cmd *cobra.Command, args []string) error {
		token, _ := cmd.Root().PersistentFlags().GetString("token")
		return cmdTeardown(token)
	},
}

func init() {
	rootCmd.AddCommand(teardownCmd)
}

func cmdTeardown(token string) error {
	state, err := loadState()
	if err != nil {
		return err
	}

	naming := state.Naming()

	// Confirmation prompt
	fmt.Printf("This will DESTROY all %s infrastructure:\n", naming.DisplayName())
	fmt.Printf("  Zone:     %s\n", state.Zone)
	fmt.Printf("  Appview:  %s (%s)\n", state.Appview.UUID, state.Appview.PublicIP)
	fmt.Printf("  Hold:     %s (%s)\n", state.Hold.UUID, state.Hold.PublicIP)
	fmt.Printf("  Network:  %s\n", state.Network.UUID)
	fmt.Printf("  LB:       %s\n", state.LB.UUID)
	fmt.Println()
	fmt.Print("Type 'yes' to confirm: ")

	scanner := bufio.NewScanner(os.Stdin)
	scanner.Scan()
	if strings.TrimSpace(scanner.Text()) != "yes" {
		fmt.Println("Aborted.")
		return nil
	}

	svc, err := newService(token)
	if err != nil {
		return err
	}

	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Minute)
	defer cancel()

	// Delete LB first (depends on network)
	if state.LB.UUID != "" {
		fmt.Printf("Deleting load balancer %s...\n", state.LB.UUID)
		if err := svc.DeleteLoadBalancer(ctx, &request.DeleteLoadBalancerRequest{
			UUID: state.LB.UUID,
		}); err != nil {
			fmt.Printf("  Warning: %v\n", err)
		}
	}

	// Stop and delete servers (must stop before delete, and delete storage)
	for _, s := range []struct {
		name string
		uuid string
	}{
		{"appview", state.Appview.UUID},
		{"hold", state.Hold.UUID},
	} {
		if s.uuid == "" {
			continue
		}
		fmt.Printf("Stopping server %s (%s)...\n", s.name, s.uuid)
		_, err := svc.StopServer(ctx, &request.StopServerRequest{
			UUID: s.uuid,
		})
		if err != nil {
			fmt.Printf("  Warning (stop): %v\n", err)
		} else {
			_, _ = svc.WaitForServerState(ctx, &request.WaitForServerStateRequest{
				UUID:         s.uuid,
				DesiredState: "stopped",
			})
		}

		fmt.Printf("Deleting server %s...\n", s.name)
		if err := svc.DeleteServerAndStorages(ctx, &request.DeleteServerAndStoragesRequest{
			UUID: s.uuid,
		}); err != nil {
			fmt.Printf("  Warning (delete): %v\n", err)
		}
	}

	// Delete network (after servers are gone)
	if state.Network.UUID != "" {
		fmt.Printf("Deleting network %s...\n", state.Network.UUID)
		if err := svc.DeleteNetwork(ctx, &request.DeleteNetworkRequest{
			UUID: state.Network.UUID,
		}); err != nil {
			fmt.Printf("  Warning: %v\n", err)
		}
	}

	// Remove state file
	if err := deleteState(); err != nil {
		return err
	}

	fmt.Println("\nTeardown complete. All infrastructure destroyed.")
	return nil
}