container/environment/vm/lima/limautil/disk.go

package limautil

import (
	"bytes"
	"encoding/json"
	"fmt"

	"github.com/abiosoft/colima/config"
)

// HasDisk checks if a lima disk exists for the current instance.
func HasDisk() bool {
	name := config.CurrentProfile().ID

	var resp struct {
		Name string `json:"name"`
	}

	cmd := Limactl("disk", "list", "--json", name)
	var buf bytes.Buffer
	cmd.Stdout = &buf

	if err := cmd.Run(); err != nil {
		return false
	}

	if err := json.NewDecoder(&buf).Decode(&resp); err != nil {
		return false
	}

	return resp.Name == name
}

// CreateDisk creates a lima disk with size in GiB.
func CreateDisk(size int) error {
	name := config.CurrentProfile().ID
	cmd := Limactl("disk", "create", name, "--size", fmt.Sprintf("%dGiB", size))

	if err := cmd.Run(); err != nil {
		return fmt.Errorf("error creating lima disk: %w", err)
	}

	return nil
}

// DeleteDisk deletes lima disk for the current instance.
func DeleteDisk() error {
	name := config.CurrentProfile().ID
	cmd := Limactl("disk", "delete", name)

	if err := cmd.Run(); err != nil {
		return fmt.Errorf("error deleting lima disk: %w", err)
	}

	return nil
}