feat: uc image rm

cmd/uncloud/image/rm.go

@@ -0,0 +1,146 @@
+package image
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strings"
+
+	"github.com/psviderski/uncloud/internal/cli"
+	"github.com/psviderski/uncloud/internal/cli/completion"
+	"github.com/psviderski/uncloud/internal/cli/tui"
+	"github.com/psviderski/uncloud/pkg/api"
+	"github.com/spf13/cobra"
+)
+
+type removeOptions struct {
+	force    bool
+	machines []string
+	yes      bool
+}
+
+func NewRemoveCommand() *cobra.Command {
+	opts := removeOptions{}
+
+	cmd := &cobra.Command{
+		Use:     "rm IMAGE [IMAGE...]",
+		Aliases: []string{"remove", "delete"},
+		Short:   "Remove one or more images.",
+		Long:    "Remove one or more images. You cannot remove an image that is in use by a container.",
+		Args:    cobra.MinimumNArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			uncli := cmd.Context().Value("cli").(*cli.CLI)
+			return remove(cmd.Context(), uncli, args, opts)
+		},
+	}
+
+	cmd.Flags().BoolVarP(&opts.force, "force", "f", false,
+		"Force the removal of one or more images.")
+	cmd.Flags().StringSliceVarP(&opts.machines, "machine", "m", nil,
+		"Name or ID of the machine to remove one or more images from. "+
+			"Can be specified multiple times or as a comma-separated list.\n"+
+			"If not specified, the found images(s) will be removed from all machines.")
+	cmd.Flags().BoolVarP(&opts.yes, "yes", "y", false,
+		"Do not prompt for confirmation before removing the image(s).")
+
+	completion.MachinesFlag(cmd)
+
+	return cmd
+}
+
+func remove(ctx context.Context, uncli *cli.CLI, names []string, opts removeOptions) error {
+	client, err := uncli.ConnectCluster(ctx)
+	if err != nil {
+		return fmt.Errorf("connect to cluster: %w", err)
+	}
+	defer client.Close()
+
+	filter := api.ImageFilter{}
+
+	if len(opts.machines) > 0 {
+		machines := cli.ExpandCommaSeparatedValues(opts.machines)
+		filter.Machines = machines
+	}
+
+	images := []api.MachineImages{}
+	for _, name := range names {
+		filter.Name = name
+		clusterImages, err := client.ListImages(ctx, filter)
+		if err != nil {
+			return fmt.Errorf("list images: %w", err)
+		}
+		for i := range clusterImages {
+			if len(clusterImages[i].Images) > 0 {
+				images = append(images, clusterImages[i])
+			}
+		}
+	}
+
+	if len(images) == 0 {
+		return fmt.Errorf("no images found matching the specified names")
+	}
+
+	allMachines, err := client.ListMachines(ctx, nil)
+	if err != nil {
+		return fmt.Errorf("list machines: %w", err)
+	}
+
+	// Confirm removal if not using --yes flag.
+	if !opts.yes {
+		fmt.Println("The following images will be removed:")
+		for _, machineImage := range images {
+			// Get machine name for better readability.
+			machineName := machineImage.Metadata.Machine
+			if m := allMachines.FindByNameOrID(machineName); m != nil {
+				machineName = m.Machine.Name
+			}
+
+			for _, img := range machineImage.Images {
+				id := strings.TrimPrefix(img.ID, "sha256:")[:12]
+				name := "<none>"
+				if len(img.RepoTags) > 0 && img.RepoTags[0] != "<none>:<none>" {
+					name = img.RepoTags[0]
+				}
+
+				fmt.Printf(" • '%s' ('%s') on machine '%s'\n", name, id, machineName)
+			}
+		}
+
+		fmt.Println()
+		confirmed, err := tui.Confirm("")
+		if err != nil {
+			return fmt.Errorf("confirm removal: %w", err)
+		}
+		if !confirmed {
+			return cli.Cancelled("Cancelled. No images were removed.")
+		}
+	}
+
+	var removeErr error
+	for _, machineImage := range images {
+		machineName := machineImage.Metadata.Machine
+		if m := allMachines.FindByNameOrID(machineName); m != nil {
+			machineName = m.Machine.Name
+		}
+
+		for _, img := range machineImage.Images {
+			id := strings.TrimPrefix(img.ID, "sha256:")[:12]
+			name := "<none>"
+			if len(img.RepoTags) > 0 && img.RepoTags[0] != "<none>:<none>" {
+				name = img.RepoTags[0]
+			}
+
+			if err := client.RemoveImage(ctx, machineImage.Metadata.Machine, img.ID, opts.force); err != nil {
+				if !errors.Is(err, api.ErrNotFound) {
+					removeErr = errors.Join(removeErr, fmt.Errorf("failed to remove image '%s' ('%s') on machine '%s': %w",
+						name, id, machineName, err))
+				}
+				continue
+			}
+
+			fmt.Printf("Image '%s' ('%s') removed from machine '%s'.\n", name, id, machineName)
+		}
+	}
+
+	return removeErr
+}

cmd/uncloud/image/root.go

@@ -13,6 +13,7 @@ func NewRootCommand() *cobra.Command {
 	cmd.AddCommand(
 		NewListCommand(),
 		NewPushCommand(),
+		NewRemoveCommand(),
 	)
 
 	return cmd