Function instanceConsoleLogGet

cmd/incusd/instance_console.go:660–797

swagger:operation GET /1.0/instances/{name}/console instances instance_console_get Get console output Gets the console output for the instance either as text log or as vga screendump. --- produces: - application/json parameters: - in: path name: name description: Instance na

(d *Daemon, r *http.Request)

//	  "500":
//	    $ref: "#/responses/InternalServerError"
func instanceConsoleLogGet(d *Daemon, r *http.Request) response.Response {
	s := d.State()

	projectName := request.ProjectParam(r)
	name, err := pathVar(r, "name")
	if err != nil {
		return response.SmartError(err)
	}

	consoleLogType := request.QueryParam(r, "type")
	if consoleLogType != "" && consoleLogType != "log" && consoleLogType != "vga" {
		return response.SmartError(fmt.Errorf("Invalid value for type parameter: %s", consoleLogType))
	}

	if internalInstance.IsSnapshot(name) {
		return response.BadRequest(errors.New("Invalid instance name"))
	}

	// Forward the request if the container is remote.
	resp, err := forwardedResponseIfInstanceIsRemote(s, r, projectName, name)
	if err != nil {
		return response.SmartError(err)
	}

	if resp != nil {
		return resp
	}

	inst, err := instance.LoadByProjectAndName(s, projectName, name)
	if err != nil {
		return response.SmartError(err)
	}

	ent := response.FileResponseEntry{}

	if !inst.IsRunning() {
		// Check if we have data we can return.
		consoleBufferLogPath := inst.ConsoleBufferLogPath()
		if !util.PathExists(consoleBufferLogPath) {
			return response.FileResponse(r, nil, nil)
		}

		ent.Path = consoleBufferLogPath
		ent.Filename = consoleBufferLogPath
		return response.FileResponse(r, []response.FileResponseEntry{ent}, nil)
	}

	if inst.Type() == instancetype.Container {
		c, ok := inst.(instance.Container)
		if !ok {
			return response.SmartError(errors.New("Failed to cast inst to Container"))
		}

		// Query the container's console ringbuffer.
		console := liblxc.ConsoleLogOptions{
			ClearLog:       false,
			ReadLog:        true,
			ReadMax:        0,