Golang etcdserver.NewMember函數代碼示例

func (cs *ClusterServer) MemberAdd(ctx context.Context, r *pb.MemberAddRequest) (*pb.MemberAddResponse, error) {
	urls, err := types.NewURLs(r.PeerURLs)
	if err != nil {
		return nil, rpctypes.ErrMemberBadURLs
	}

	now := time.Now()
	m := etcdserver.NewMember("", urls, "", &now)
	err = cs.server.AddMember(ctx, *m)
	switch {
	case err == etcdserver.ErrIDExists:
		return nil, rpctypes.ErrMemberExist
	case err == etcdserver.ErrPeerURLexists:
		return nil, rpctypes.ErrPeerURLExist
	case err != nil:
		return nil, grpc.Errorf(codes.Internal, err.Error())
	}

	return &pb.MemberAddResponse{
		Header: cs.header(),
		Member: &pb.Member{ID: uint64(m.ID), IsLeader: m.ID == cs.server.Leader(), PeerURLs: m.PeerURLs},
	}, nil
}

func (h *membersHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	if !allowMethod(w, r.Method, "GET", "POST", "DELETE", "PUT") {
		return
	}
	if !hasWriteRootAccess(h.sec, r) {
		writeNoAuth(w, r)
		return
	}
	w.Header().Set("X-Etcd-Cluster-ID", h.cluster.ID().String())

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

	switch r.Method {
	case "GET":
		switch trimPrefix(r.URL.Path, membersPrefix) {
		case "":
			mc := newMemberCollection(h.cluster.Members())
			w.Header().Set("Content-Type", "application/json")
			if err := json.NewEncoder(w).Encode(mc); err != nil {
				plog.Warningf("failed to encode members response (%v)", err)
			}
		case "leader":
			id := h.server.Leader()
			if id == 0 {
				writeError(w, r, httptypes.NewHTTPError(http.StatusServiceUnavailable, "During election"))
				return
			}
			m := newMember(h.cluster.Member(id))
			w.Header().Set("Content-Type", "application/json")
			if err := json.NewEncoder(w).Encode(m); err != nil {
				plog.Warningf("failed to encode members response (%v)", err)
			}
		default:
			writeError(w, r, httptypes.NewHTTPError(http.StatusNotFound, "Not found"))
		}
	case "POST":
		req := httptypes.MemberCreateRequest{}
		if ok := unmarshalRequest(r, &req, w); !ok {
			return
		}
		now := h.clock.Now()
		m := etcdserver.NewMember("", req.PeerURLs, "", &now)
		err := h.server.AddMember(ctx, *m)
		switch {
		case err == etcdserver.ErrIDExists || err == etcdserver.ErrPeerURLexists:
			writeError(w, r, httptypes.NewHTTPError(http.StatusConflict, err.Error()))
			return
		case err != nil:
			plog.Errorf("error adding member %s (%v)", m.ID, err)
			writeError(w, r, err)
			return
		}
		res := newMember(m)
		w.Header().Set("Content-Type", "application/json")
		w.WriteHeader(http.StatusCreated)
		if err := json.NewEncoder(w).Encode(res); err != nil {
			plog.Warningf("failed to encode members response (%v)", err)
		}
	case "DELETE":
		id, ok := getID(r.URL.Path, w)
		if !ok {
			return
		}
		err := h.server.RemoveMember(ctx, uint64(id))
		switch {
		case err == etcdserver.ErrIDRemoved:
			writeError(w, r, httptypes.NewHTTPError(http.StatusGone, fmt.Sprintf("Member permanently removed: %s", id)))
		case err == etcdserver.ErrIDNotFound:
			writeError(w, r, httptypes.NewHTTPError(http.StatusNotFound, fmt.Sprintf("No such member: %s", id)))
		case err != nil:
			plog.Errorf("error removing member %s (%v)", id, err)
			writeError(w, r, err)
		default:
			w.WriteHeader(http.StatusNoContent)
		}
	case "PUT":
		id, ok := getID(r.URL.Path, w)
		if !ok {
			return
		}
		req := httptypes.MemberUpdateRequest{}
		if ok := unmarshalRequest(r, &req, w); !ok {
			return
		}
		m := etcdserver.Member{
			ID:             id,
			RaftAttributes: etcdserver.RaftAttributes{PeerURLs: req.PeerURLs.StringSlice()},
		}
		err := h.server.UpdateMember(ctx, m)
		switch {
		case err == etcdserver.ErrPeerURLexists:
			writeError(w, r, httptypes.NewHTTPError(http.StatusConflict, err.Error()))
		case err == etcdserver.ErrIDNotFound:
			writeError(w, r, httptypes.NewHTTPError(http.StatusNotFound, fmt.Sprintf("No such member: %s", id)))
		case err != nil:
			plog.Errorf("error updating member %s (%v)", m.ID, err)
			writeError(w, r, err)
		default:
			w.WriteHeader(http.StatusNoContent)
//.........這裏部分代碼省略.........

func (h *adminMembersHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
	if !allowMethod(w, r.Method, "GET", "POST", "DELETE") {
		return
	}
	cid := strconv.FormatUint(h.clusterInfo.ID(), 16)
	w.Header().Set("X-Etcd-Cluster-ID", cid)

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

	switch r.Method {
	case "GET":
		if trimPrefix(r.URL.Path, adminMembersPrefix) != "" {
			writeError(w, httptypes.NewHTTPError(http.StatusNotFound, "Not found"))
			return
		}
		mc := newMemberCollection(h.clusterInfo.Members())
		w.Header().Set("Content-Type", "application/json")
		if err := json.NewEncoder(w).Encode(mc); err != nil {
			log.Printf("etcdhttp: %v", err)
		}
	case "POST":
		ctype := r.Header.Get("Content-Type")
		if ctype != "application/json" {
			writeError(w, httptypes.NewHTTPError(http.StatusBadRequest, fmt.Sprintf("Bad Content-Type %s, accept application/json", ctype)))
			return
		}
		b, err := ioutil.ReadAll(r.Body)
		if err != nil {
			writeError(w, httptypes.NewHTTPError(http.StatusBadRequest, err.Error()))
			return
		}
		raftAttr := etcdserver.RaftAttributes{}
		if err := json.Unmarshal(b, &raftAttr); err != nil {
			writeError(w, httptypes.NewHTTPError(http.StatusBadRequest, err.Error()))
			return
		}
		validURLs, err := types.NewURLs(raftAttr.PeerURLs)
		if err != nil {
			writeError(w, httptypes.NewHTTPError(http.StatusBadRequest, "Bad peer urls"))
			return
		}
		now := h.clock.Now()
		m := etcdserver.NewMember("", validURLs, "", &now)
		if err := h.server.AddMember(ctx, *m); err != nil {
			log.Printf("etcdhttp: error adding node %x: %v", m.ID, err)
			writeError(w, err)
			return
		}
		log.Printf("etcdhttp: added node %x with peer urls %v", m.ID, raftAttr.PeerURLs)
		w.Header().Set("Content-Type", "application/json")
		w.WriteHeader(http.StatusCreated)
		if err := json.NewEncoder(w).Encode(m); err != nil {
			log.Printf("etcdhttp: %v", err)
		}
	case "DELETE":
		idStr := trimPrefix(r.URL.Path, adminMembersPrefix)
		if idStr == "" {
			http.Error(w, "Method Not Allowed", http.StatusMethodNotAllowed)
			return
		}
		id, err := strconv.ParseUint(idStr, 16, 64)
		if err != nil {
			writeError(w, httptypes.NewHTTPError(http.StatusBadRequest, err.Error()))
			return
		}
		log.Printf("etcdhttp: remove node %x", id)
		if err := h.server.RemoveMember(ctx, id); err != nil {
			log.Printf("etcdhttp: error removing node %x: %v", id, err)
			writeError(w, err)
			return
		}
		w.WriteHeader(http.StatusNoContent)
	}
}