Method GetInstanceFile

client/incus_instances.go:1434–1533

GetInstanceFile retrieves the provided path from the instance.

(instanceName string, filePath string)

// GetInstanceFile retrieves the provided path from the instance.
func (r *ProtocolIncus) GetInstanceFile(instanceName string, filePath string) (io.ReadCloser, *InstanceFileResponse, error) {
	var err error
	var requestURL string

	urlEncode := func(path string, query map[string]string) (string, error) {
		u, err := url.Parse(path)
		if err != nil {
			return "", err
		}

		params := url.Values{}
		for key, value := range query {
			params.Add(key, value)
		}

		u.RawQuery = params.Encode()
		return u.String(), nil
	}

	if r.IsAgent() {
		requestURL, err = urlEncode(
			fmt.Sprintf("%s/1.0/files", r.httpBaseURL.String()),
			map[string]string{"path": filePath},
		)
	} else {
		var path string

		path, _, err = r.instanceTypeToPath(api.InstanceTypeAny)
		if err != nil {
			return nil, nil, err
		}

		// Prepare the HTTP request
		requestURL, err = urlEncode(
			fmt.Sprintf("%s/1.0%s/%s/files", r.httpBaseURL.String(), path, url.PathEscape(instanceName)),
			map[string]string{"path": filePath},
		)
	}

	if err != nil {
		return nil, nil, err
	}

	requestURL, err = r.setQueryAttributes(requestURL)
	if err != nil {
		return nil, nil, err
	}

	req, err := http.NewRequest("GET", requestURL, nil)
	if err != nil {
		return nil, nil, err
	}

	// Send the request
	resp, err := r.DoHTTP(req)
	if err != nil {
		return nil, nil, err
	}