Method DeleteBackup

pkg/api/vm_backups.go:210–243

DeleteBackup deletes a backup volume.

(vm *VM, volID string)

// DeleteBackup deletes a backup volume.
func (c *Client) DeleteBackup(vm *VM, volID string) error {
	// volID format: "storage:backup/filename"
	// We need to call DELETE /nodes/{node}/storage/{storage}/content/{volume}

	// Parse storage and volume from volID
	parts := strings.SplitN(volID, ":", 2)
	if len(parts) != 2 {
		return fmt.Errorf("invalid volume ID format: %s", volID)
	}

	storageName := parts[0]
	// Use the full volume ID (e.g. "storage:backup/file") as the volume parameter
	// Proxmox API expects the full ID for the content endpoint
	encodedVolume := url.PathEscape(volID)

	path := fmt.Sprintf("/nodes/%s/storage/%s/content/%s", vm.Node, storageName, encodedVolume)

	c.logger.Info("Deleting backup '%s' for %s %s", volID, vm.Type, vm.Name)

	var result map[string]interface{}
	err := c.httpClient.Delete(context.Background(), path, &result)
	if err != nil {
		c.logger.Error("DeleteBackup API request failed: %v", err)
		return fmt.Errorf("delete request failed: %w", err)
	}

	// Check result
	if upid, ok := result["data"].(string); ok && strings.HasPrefix(upid, "UPID:") {
		// It returns a UPID.
		return c.waitForTaskCompletion(upid, "backup deletion")
	}

	return nil
}

// RestoreBackup restores a backup to the VM.
// If the VM exists, it will be overwritten.