Golang Host.AuthOptions方法代码示例

// Create is the wrapper method which covers all of the boilerplate around
// actually creating, provisioning, and persisting an instance in the store.
func (api *Client) Create(h *host.Host) error {
	if err := cert.BootstrapCertificates(h.AuthOptions()); err != nil {
		return fmt.Errorf("Error generating certificates: %s", err)
	}

	log.Info("Running pre-create checks...")

	if err := h.Driver.PreCreateCheck(); err != nil {
		return mcnerror.ErrDuringPreCreate{
			Cause: err,
		}
	}

	if err := api.Save(h); err != nil {
		return fmt.Errorf("Error saving host to store before attempting creation: %s", err)
	}

	log.Info("Creating machine...")

	if err := api.performCreate(h); err != nil {
		return fmt.Errorf("Error creating machine: %s", err)
	}

	log.Debug("Reticulating splines...")

	return nil
}

// Create is the wrapper method which covers all of the boilerplate around
// actually creating, provisioning, and persisting an instance in the store.
func (api *Client) Create(h *host.Host) error {
	if err := cert.BootstrapCertificates(h.AuthOptions()); err != nil {
		return fmt.Errorf("Error generating certificates: %s", err)
	}

	log.Info("Running pre-create checks...")

	if err := h.Driver.PreCreateCheck(); err != nil {
		return mcnerror.ErrDuringPreCreate{err}
	}

	if err := api.Save(h); err != nil {
		return fmt.Errorf("Error saving host to store before attempting creation: %s", err)
	}

	log.Info("Creating machine...")

	if err := api.performCreate(h); err != nil {
		// Wait for all the logs to reach the client
		time.Sleep(2 * time.Second)

		vBoxLog := ""
		if h.DriverName == "virtualbox" {
			vBoxLog = filepath.Join(api.GetMachinesDir(), h.Name, h.Name, "Logs", "VBox.log")
		}

		return crashreport.CrashError{
			Cause:       err,
			Command:     "Create",
			Context:     "api.performCreate",
			DriverName:  h.DriverName,
			LogFilePath: vBoxLog,
		}
	}

	log.Debug("Reticulating splines...")

	return nil
}

func (mcc *MachineConnChecker) Check(h *host.Host, swarm bool) (string, *auth.Options, error) {
	dockerHost, err := h.Driver.GetURL()
	if err != nil {
		return "", &auth.Options{}, err
	}

	dockerURL := dockerHost
	if swarm {
		dockerURL, err = parseSwarm(dockerHost, h)
		if err != nil {
			return "", &auth.Options{}, err
		}
	}

	u, err := url.Parse(dockerURL)
	if err != nil {
		return "", &auth.Options{}, fmt.Errorf("Error parsing URL: %s", err)
	}

	authOptions := h.AuthOptions()

	if err := checkCert(u.Host, authOptions); err != nil {
		if swarm {
			// Connection to the swarm port cannot be checked. Maybe it's just the swarm containers that are down
			// TODO: check the containers and restart them
			// Let's check the non-swarm connection to give a better error message to the user.
			if _, _, err := mcc.Check(h, false); err == nil {
				return "", &auth.Options{}, ErrSwarmNotStarted
			}
		}

		return "", &auth.Options{}, fmt.Errorf("Error checking and/or regenerating the certs: %s", err)
	}

	return dockerURL, authOptions, nil
}

func newMachine(h *host.Host) (*Machine, error) {
	rawDriver, err := json.Marshal(h.Driver)
	if err != nil {
		return nil, errors.Wrap(err, "failed to marshal host driver")
	}
	var driverData map[string]interface{}
	err = json.Unmarshal(rawDriver, &driverData)
	if err != nil {
		return nil, errors.Wrap(err, "failed to unmarshal host driver")
	}
	m := &Machine{
		Base: &iaas.Machine{
			Id:         h.Name,
			Port:       engine.DefaultPort,
			Protocol:   "https",
			CustomData: driverData,
			CreationParams: map[string]string{
				"driver": h.DriverName,
			},
		},
		Host: h,
	}
	address, err := h.Driver.GetIP()
	if err != nil {
		return m, errors.Wrap(err, "failed to retrive host ip")
	}
	m.Base.Address = address
	if h.AuthOptions() != nil {
		m.Base.CaCert, err = ioutil.ReadFile(h.AuthOptions().CaCertPath)
		if err != nil {
			return m, errors.Wrap(err, "failed to read host ca cert")
		}
		m.Base.ClientCert, err = ioutil.ReadFile(h.AuthOptions().ClientCertPath)
		if err != nil {
			return m, errors.Wrap(err, "failed to read host client cert")
		}
		m.Base.ClientKey, err = ioutil.ReadFile(h.AuthOptions().ClientKeyPath)
		if err != nil {
			return m, errors.Wrap(err, "failed to read host client key")
		}
	}
	return m, nil
}

// PERFORMANCE: The code of this function is complicated because we try
// to call the underlying drivers as less as possible to get the information
// we need.
func attemptGetHostItem(h *host.Host, stateQueryChan chan<- commands.HostListItem) {
	url := ""
	currentState := state.None
	dockerVersion := "Unknown"
	hostError := ""

	url, err := h.URL()

	// PERFORMANCE: if we have the url, it's ok to assume the host is running
	// This reduces the number of calls to the drivers
	if err == nil {
		if url != "" {
			currentState = state.Running
		} else {
			currentState, err = h.Driver.GetState()
		}
	} else {
		currentState, _ = h.Driver.GetState()
	}

	if err == nil && url != "" {
		// PERFORMANCE: Reuse the url instead of asking the host again.
		// This reduces the number of calls to the drivers
		dockerHost := &mcndockerclient.RemoteDocker{
			HostURL:    url,
			AuthOption: h.AuthOptions(),
		}
		dockerVersion, err = mcndockerclient.DockerVersion(dockerHost)

		if err != nil {
			dockerVersion = "Unknown"
		} else {
			dockerVersion = fmt.Sprintf("v%s", dockerVersion)
		}
	}

	if err != nil {
		hostError = err.Error()
	}
	if hostError == drivers.ErrHostIsNotRunning.Error() {
		hostError = ""
	}

	var swarmOptions *swarm.Options
	var engineOptions *engine.Options
	if h.HostOptions != nil {
		swarmOptions = h.HostOptions.SwarmOptions
		engineOptions = h.HostOptions.EngineOptions
	}

	isMaster := false
	swarmHost := ""
	if swarmOptions != nil {
		isMaster = swarmOptions.Master
		swarmHost = swarmOptions.Host
	}

	activeHost := isActive(currentState, url)
	activeSwarm := isSwarmActive(currentState, url, isMaster, swarmHost)
	active := "-"
	if activeHost {
		active = "*"
	}
	if activeSwarm {
		active = "* (swarm)"
	}

	stateQueryChan <- commands.HostListItem{
		Name:          h.Name,
		Active:        active,
		ActiveHost:    activeHost,
		ActiveSwarm:   activeSwarm,
		DriverName:    h.Driver.DriverName(),
		State:         currentState,
		URL:           url,
		SwarmOptions:  swarmOptions,
		EngineOptions: engineOptions,
		DockerVersion: dockerVersion,
		Error:         hostError,
	}
}