Beispiel #1
0
func newDiscovery(durl, dproxyurl string, id types.ID) (*discovery, error) {
	u, err := url.Parse(durl)
	if err != nil {
		return nil, err
	}
	token := u.Path
	u.Path = ""
	pf, err := newProxyFunc(dproxyurl)
	if err != nil {
		return nil, err
	}
	cfg := client.Config{
		Transport: &http.Transport{Proxy: pf},
		Endpoints: []string{u.String()},
	}
	c, err := client.New(cfg)
	if err != nil {
		return nil, err
	}
	dc := client.NewKeysAPIWithPrefix(c, "")
	return &discovery{
		cluster: token,
		c:       dc,
		id:      id,
		url:     u,
		clock:   clockwork.NewRealClock(),
	}, nil
}
Beispiel #2
0
// NewClientHandler generates a muxed http.Handler with the given parameters to serve etcd client requests.
func NewClientHandler(server *etcdserver.EtcdServer) http.Handler {
	sec := security.NewStore(server, defaultServerTimeout)

	kh := &keysHandler{
		sec:         sec,
		server:      server,
		clusterInfo: server.Cluster,
		timer:       server,
		timeout:     defaultServerTimeout,
	}

	sh := &statsHandler{
		stats: server,
	}

	mh := &membersHandler{
		sec:         sec,
		server:      server,
		clusterInfo: server.Cluster,
		clock:       clockwork.NewRealClock(),
	}

	dmh := &deprecatedMachinesHandler{
		clusterInfo: server.Cluster,
	}

	sech := &securityHandler{
		sec:         sec,
		clusterInfo: server.Cluster,
	}

	mux := http.NewServeMux()
	mux.HandleFunc("/", http.NotFound)
	mux.Handle(healthPath, healthHandler(server))
	mux.HandleFunc(versionPath, serveVersion)
	mux.Handle(keysPrefix, kh)
	mux.Handle(keysPrefix+"/", kh)
	mux.HandleFunc(statsPrefix+"/store", sh.serveStore)
	mux.HandleFunc(statsPrefix+"/self", sh.serveSelf)
	mux.HandleFunc(statsPrefix+"/leader", sh.serveLeader)
	mux.HandleFunc(varsPath, serveVars)
	mux.Handle(metricsPath, prometheus.Handler())
	mux.Handle(membersPrefix, mh)
	mux.Handle(membersPrefix+"/", mh)
	mux.Handle(deprecatedMachinesPrefix, dmh)
	handleSecurity(mux, sech)
	return mux
}
Beispiel #3
0
func (h *keysHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	if !allowMethod(w, r.Method, "HEAD", "GET", "PUT", "POST", "DELETE") {
		return
	}

	w.Header().Set("X-Etcd-Cluster-ID", h.clusterInfo.ID().String())

	ctx, cancel := context.WithTimeout(context.Background(), h.timeout)
	defer cancel()

	rr, err := parseKeyRequest(r, clockwork.NewRealClock())
	if err != nil {
		writeError(w, err)
		return
	}
	// The path must be valid at this point (we've parsed the request successfully).
	if !hasKeyPrefixAccess(h.sec, r, r.URL.Path[len(keysPrefix):]) {
		writeNoAuth(w)
		return
	}

	resp, err := h.server.Do(ctx, rr)
	if err != nil {
		err = trimErrorPrefix(err, etcdserver.StoreKeysPrefix)
		writeError(w, err)
		return
	}

	switch {
	case resp.Event != nil:
		if err := writeKeyEvent(w, resp.Event, h.timer); err != nil {
			// Should never be reached
			log.Printf("error writing event: %v", err)
		}
	case resp.Watcher != nil:
		ctx, cancel := context.WithTimeout(context.Background(), defaultWatchTimeout)
		defer cancel()
		handleKeyWatch(ctx, w, resp.Watcher, rr.Stream, h.timer)
	default:
		writeError(w, errors.New("received response with no Event/Watcher!"))
	}
}
Beispiel #4
0
// The given namespaces will be created as initial directories in the returned store.
func New(namespaces ...string) Store {
	s := newStore(namespaces...)
	s.clock = clockwork.NewRealClock()
	return s
}