Esempio n. 1
0
// NewServerKite creates a server kite for the given server.
func NewServerKite(s *Server, name, version string) (*kite.Kite, error) {
	k := kite.New(name, version)

	if s.opts.Config == nil {
		cfg, err := config.Get()
		if err != nil {
			return nil, err
		}
		s.opts.Config = cfg
	}

	s.opts.Config.KontrolURL = s.opts.kontrolURL()
	s.opts.Config.Transport = config.XHRPolling

	if s.opts.Port != 0 {
		s.opts.Config.Port = s.opts.Port
	}
	if s.opts.Region != "" {
		s.opts.Config.Region = s.opts.Region
	}
	if s.opts.Environment != "" {
		s.opts.Config.Environment = s.opts.Environment
	}
	if s.opts.Test {
		s.opts.Config.DisableAuthentication = true
	}
	if s.opts.Debug {
		k.SetLogLevel(kite.DEBUG)
	}

	k.Log = s.opts.Log
	k.Config = s.opts.Config
	k.ClientFunc = httputil.ClientFunc(s.opts.Debug)

	if fn := s.metricsFunc(); fn != nil {
		k.PreHandleFunc(fn)
	}

	k.HandleFunc("register", s.Register)
	k.HandleFunc("registerServices", s.RegisterServices)
	k.HandleHTTPFunc("/healthCheck", artifact.HealthCheckHandler(name))
	k.HandleHTTPFunc("/version", artifact.VersionHandler())

	// Tunnel helper methods, like ports, stats etc.
	k.HandleHTTPFunc("/-/discover/{service}", s.discoverHandler())

	// Route all the rest requests (match all paths that does not begin with /-/).
	k.HandleHTTP(`/{rest:.?$|[^\/].+|\/[^-].+|\/-[^\/].*}`, s.serverHandler())

	u, err := url.Parse(s.opts.registerURL())
	if err != nil {
		return nil, fmt.Errorf("error parsing registerURL: %s", err)
	}

	if err := k.RegisterForever(u); err != nil {
		return nil, fmt.Errorf("error registering to Kontrol: %s", err)
	}

	return k, nil
}
Esempio n. 2
0
func main() {
	loader := multiconfig.MultiLoader(
		&multiconfig.TagLoader{},
		&multiconfig.EnvironmentLoader{Prefix: "kontrol"},
		&multiconfig.EnvironmentLoader{Prefix: "KONFIG_KONTROL"},
		&multiconfig.FlagLoader{EnvPrefix: "kontrol"},
	)

	conf := new(kontrol.Config)

	// Load the config, it's reads from the file, environment variables and
	// lastly from flags in order
	if err := loader.Load(conf); err != nil {
		panic(err)
	}

	if err := multiconfig.MultiValidator(&multiconfig.RequiredValidator{}).Validate(conf); err != nil {
		panic(err)
	}

	fmt.Printf("Kontrol loaded with following variables: %+v\n", conf)

	k := kontrol.New(conf)

	k.Kite.HandleHTTPFunc("/healthCheck", artifact.HealthCheckHandler(Name))
	k.Kite.HandleHTTPFunc("/version", artifact.VersionHandler())

	if conf.Debug {
		k.Kite.SetLogLevel(kite.DEBUG)
	}

	go func() {
		// Kloud runs on 6060, so we choose 6061 for kontrol
		err := http.ListenAndServe("0.0.0.0:6061", nil)
		k.Kite.Log.Error(err.Error())
	}()

	k.Run()
}
Esempio n. 3
0
func (m *Mux) addDefaultHandlers() *tigertonic.TrieServeMux {
	m.AddUnscopedHandler(handler.Request{
		Type:     handler.GetRequest,
		Endpoint: "/version",
		Handler:  artifact.VersionHandler(),
	})

	m.AddUnscopedHandler(handler.Request{
		Type:     handler.GetRequest,
		Endpoint: "/healthCheck",
		Handler:  artifact.HealthCheckHandler(m.config.Name),
	})

	m.AddUnscopedHandler(handler.Request{
		Type:     handler.GetRequest,
		Endpoint: "/",
		Handler: func(w http.ResponseWriter, r *http.Request) {
			fmt.Fprintf(w, "Hello from %s", m.config.Name)
		},
	})

	return m.mux
}
Esempio n. 4
0
// NewKite creates a new kite for serving terraformer
func NewKite(t *Terraformer, conf *Config) (*kite.Kite, error) {
	var err error
	k := kite.New(Name, Version)
	k.Config, err = kiteconfig.Get()
	if err != nil {
		return nil, err
	}

	k = setupKite(k, conf)

	// handle current status of terraformer
	k.PostHandleFunc(t.handleState)

	// track every kind of call
	k.PreHandleFunc(createTracker(t.Metrics))

	// Terraformer handling methods
	k.HandleFunc("apply", t.Apply)
	k.HandleFunc("destroy", t.Destroy)
	k.HandleFunc("plan", t.Plan)

	// artifact handling
	k.HandleHTTPFunc("/healthCheck", artifact.HealthCheckHandler(Name))
	k.HandleHTTPFunc("/version", artifact.VersionHandler())

	secretKey := conf.SecretKey

	// allow kloud to make calls to us
	k.Authenticators["kloud"] = func(r *kite.Request) error {
		if r.Auth.Key != secretKey {
			return errors.New("wrong secret key passed, you are not authenticated")
		}
		return nil
	}

	return k, nil
}
Esempio n. 5
0
// New gives new, registered kloud kite.
//
// If conf contains invalid or missing configuration, it return non-nil error.
func New(conf *Config) (*Kloud, error) {
	k := kite.New(stack.NAME, stack.VERSION)
	k.Config = kiteconfig.MustGet()
	k.Config.Port = conf.Port

	k.ClientFunc = httputil.ClientFunc(conf.DebugMode)

	if conf.DebugMode {
		k.SetLogLevel(kite.DEBUG)
	}

	if conf.Region != "" {
		k.Config.Region = conf.Region
	}

	if conf.Environment != "" {
		k.Config.Environment = conf.Environment
	}

	// TODO(rjeczalik): refactor modelhelper methods to not use global DB
	modelhelper.Initialize(conf.MongoURL)

	sess, err := newSession(conf, k)
	if err != nil {
		return nil, err
	}

	e := newEndpoints(conf)

	sess.Log.Debug("Konfig.Endpoints: %s", util.LazyJSON(e))

	authUsers := map[string]string{
		"kloudctl": conf.KloudSecretKey,
	}

	restClient := httputil.DefaultRestClient(conf.DebugMode)

	storeOpts := &credential.Options{
		MongoDB: sess.DB,
		Log:     sess.Log.New("stackcred"),
		Client:  restClient,
	}

	if !conf.NoSneaker {
		storeOpts.CredURL = e.Social().WithPath("/credential").Private.URL
	}

	sess.Log.Debug("storeOpts: %+v", storeOpts)

	userPrivateKey, userPublicKey := userMachinesKeys(conf.UserPublicKey, conf.UserPrivateKey)

	stacker := &provider.Stacker{
		DB:             sess.DB,
		Log:            sess.Log,
		Kite:           sess.Kite,
		Userdata:       sess.Userdata,
		Debug:          conf.DebugMode,
		KloudSecretKey: conf.KloudSecretKey,
		CredStore:      credential.NewStore(storeOpts),
		TunnelURL:      conf.TunnelURL,
		SSHKey: &publickeys.Keys{
			KeyName:    publickeys.DeployKeyName,
			PrivateKey: userPrivateKey,
			PublicKey:  userPublicKey,
		},
	}

	stats := common.MustInitMetrics(Name)

	kloud := &Kloud{
		Kite:  k,
		Stack: stack.New(),
		Queue: &queue.Queue{
			Interval: 5 * time.Second,
			Log:      sess.Log.New("queue"),
			Kite:     k,
			MongoDB:  sess.DB,
		},
	}

	authFn := func(opts *api.AuthOptions) (*api.Session, error) {
		s, err := modelhelper.FetchOrCreateSession(opts.User.Username, opts.User.Team)
		if err != nil {
			return nil, err
		}

		return &api.Session{
			ClientID: s.ClientId,
			User: &api.User{
				Username: s.Username,
				Team:     s.GroupName,
			},
		}, nil
	}

	transport := &api.Transport{
		RoundTripper: storeOpts.Client.Transport,
		AuthFunc:     api.NewCache(authFn).Auth,
		Debug:        conf.DebugMode,
	}

	if conf.DebugMode {
		transport.Log = sess.Log
	}

	kloud.Stack.Endpoints = e
	kloud.Stack.Userdata = sess.Userdata
	kloud.Stack.DescribeFunc = provider.Desc
	kloud.Stack.CredClient = credential.NewClient(storeOpts)
	kloud.Stack.MachineClient = machine.NewClient(machine.NewMongoDatabase())
	kloud.Stack.TeamClient = team.NewClient(team.NewMongoDatabase())
	kloud.Stack.PresenceClient = client.NewInternal(e.Social().Private.String())
	kloud.Stack.PresenceClient.HTTPClient = restClient
	kloud.Stack.RemoteClient = &remoteapi.Client{
		Client:    storeOpts.Client,
		Transport: transport,
		Endpoint:  e.Koding.Private.URL,
	}

	kloud.Stack.ContextCreator = func(ctx context.Context) context.Context {
		return session.NewContext(ctx, sess)
	}

	kloud.Stack.Metrics = stats

	// RSA key pair that we add to the newly created machine for
	// provisioning.
	kloud.Stack.PublicKeys = stacker.SSHKey
	kloud.Stack.DomainStorage = sess.DNSStorage
	kloud.Stack.Domainer = sess.DNSClient
	kloud.Stack.Locker = stacker
	kloud.Stack.Log = sess.Log
	kloud.Stack.SecretKey = conf.KloudSecretKey

	for _, p := range provider.All() {
		s := stacker.New(p)

		if err = kloud.Stack.AddProvider(p.Name, s); err != nil {
			return nil, err
		}

		kloud.Queue.Register(s)

		sess.Log.Debug("registering %q provider", p.Name)
	}

	go kloud.Queue.Run()

	if conf.KeygenAccessKey != "" && conf.KeygenSecretKey != "" {
		cfg := &keygen.Config{
			AccessKey:  conf.KeygenAccessKey,
			SecretKey:  conf.KeygenSecretKey,
			Region:     conf.KeygenRegion,
			Bucket:     conf.KeygenBucket,
			AuthExpire: conf.KeygenTokenTTL,
			AuthFunc:   kloud.Stack.ValidateUser,
			Kite:       k,
		}

		kloud.Keygen = keygen.NewServer(cfg)
	} else {
		k.Log.Warning(`disabling "keygen" methods due to missing S3/STS credentials`)
	}

	// Teams/stack handling methods.
	k.HandleFunc("plan", kloud.Stack.Plan)
	k.HandleFunc("apply", kloud.Stack.Apply)
	k.HandleFunc("describeStack", kloud.Stack.Status)
	k.HandleFunc("authenticate", kloud.Stack.Authenticate)
	k.HandleFunc("bootstrap", kloud.Stack.Bootstrap)
	k.HandleFunc("import", kloud.Stack.Import)

	// Credential handling.
	k.HandleFunc("credential.describe", kloud.Stack.CredentialDescribe)
	k.HandleFunc("credential.list", kloud.Stack.CredentialList)
	k.HandleFunc("credential.add", kloud.Stack.CredentialAdd)

	// Authorization handling.
	k.HandleFunc("auth.login", kloud.Stack.AuthLogin)
	k.HandleFunc("auth.passwordLogin", kloud.Stack.AuthPasswordLogin).DisableAuthentication()

	// Configuration handling.
	k.HandleFunc("config.metadata", kloud.Stack.ConfigMetadata)

	// Team handling.
	k.HandleFunc("team.list", kloud.Stack.TeamList)
	k.HandleFunc("team.whoami", kloud.Stack.TeamWhoami)

	// Machine handling.
	k.HandleFunc("machine.list", kloud.Stack.MachineList)

	// Single machine handling.
	k.HandleFunc("stop", kloud.Stack.Stop)
	k.HandleFunc("start", kloud.Stack.Start)
	k.HandleFunc("info", kloud.Stack.Info)
	k.HandleFunc("event", kloud.Stack.Event)

	// Klient proxy methods.
	k.HandleFunc("admin.add", kloud.Stack.AdminAdd)
	k.HandleFunc("admin.remove", kloud.Stack.AdminRemove)

	k.HandleHTTPFunc("/healthCheck", artifact.HealthCheckHandler(Name))
	k.HandleHTTPFunc("/version", artifact.VersionHandler())

	for worker, key := range authUsers {
		worker, key := worker, key
		k.Authenticators[worker] = func(r *kite.Request) error {
			if r.Auth.Key != key {
				return errors.New("wrong secret key passed, you are not authenticated")
			}
			return nil
		}
	}

	if conf.DebugMode {
		// This should be actually debug level 2. It outputs every single Kite
		// message and enables the kite debugging system. So enable it only if
		// you need it.
		// k.SetLogLevel(kite.DEBUG)
		k.Log.Info("Debug mode enabled")
	}

	if conf.TestMode {
		k.Log.Info("Test mode enabled")
	}

	registerURL := k.RegisterURL(!conf.Public)
	if conf.RegisterURL != "" {
		u, err := url.Parse(conf.RegisterURL)
		if err != nil {
			return nil, fmt.Errorf("Couldn't parse register url: %s", err)
		}

		registerURL = u
	}

	if err := k.RegisterForever(registerURL); err != nil {
		return nil, err
	}

	return kloud, nil
}