[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/go.etcd.io/etcd/etcdserver/api/etcdhttp/peer.go b/vendor/go.etcd.io/etcd/etcdserver/api/etcdhttp/peer.go
new file mode 100644
index 0000000..6c61bf5
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/etcdserver/api/etcdhttp/peer.go
@@ -0,0 +1,159 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package etcdhttp
+
+import (
+ "encoding/json"
+ "fmt"
+ "net/http"
+ "strconv"
+ "strings"
+
+ "go.etcd.io/etcd/etcdserver"
+ "go.etcd.io/etcd/etcdserver/api"
+ "go.etcd.io/etcd/etcdserver/api/membership"
+ "go.etcd.io/etcd/etcdserver/api/rafthttp"
+ "go.etcd.io/etcd/lease/leasehttp"
+ "go.etcd.io/etcd/pkg/types"
+
+ "go.uber.org/zap"
+)
+
+const (
+ peerMembersPath = "/members"
+ peerMemberPromotePrefix = "/members/promote/"
+)
+
+// NewPeerHandler generates an http.Handler to handle etcd peer requests.
+func NewPeerHandler(lg *zap.Logger, s etcdserver.ServerPeer) http.Handler {
+ return newPeerHandler(lg, s, s.RaftHandler(), s.LeaseHandler())
+}
+
+func newPeerHandler(lg *zap.Logger, s etcdserver.Server, raftHandler http.Handler, leaseHandler http.Handler) http.Handler {
+ peerMembersHandler := newPeerMembersHandler(lg, s.Cluster())
+ peerMemberPromoteHandler := newPeerMemberPromoteHandler(lg, s)
+
+ mux := http.NewServeMux()
+ mux.HandleFunc("/", http.NotFound)
+ mux.Handle(rafthttp.RaftPrefix, raftHandler)
+ mux.Handle(rafthttp.RaftPrefix+"/", raftHandler)
+ mux.Handle(peerMembersPath, peerMembersHandler)
+ mux.Handle(peerMemberPromotePrefix, peerMemberPromoteHandler)
+ if leaseHandler != nil {
+ mux.Handle(leasehttp.LeasePrefix, leaseHandler)
+ mux.Handle(leasehttp.LeaseInternalPrefix, leaseHandler)
+ }
+ mux.HandleFunc(versionPath, versionHandler(s.Cluster(), serveVersion))
+ return mux
+}
+
+func newPeerMembersHandler(lg *zap.Logger, cluster api.Cluster) http.Handler {
+ return &peerMembersHandler{
+ lg: lg,
+ cluster: cluster,
+ }
+}
+
+type peerMembersHandler struct {
+ lg *zap.Logger
+ cluster api.Cluster
+}
+
+func newPeerMemberPromoteHandler(lg *zap.Logger, s etcdserver.Server) http.Handler {
+ return &peerMemberPromoteHandler{
+ lg: lg,
+ cluster: s.Cluster(),
+ server: s,
+ }
+}
+
+type peerMemberPromoteHandler struct {
+ lg *zap.Logger
+ cluster api.Cluster
+ server etcdserver.Server
+}
+
+func (h *peerMembersHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+ if !allowMethod(w, r, "GET") {
+ return
+ }
+ w.Header().Set("X-Etcd-Cluster-ID", h.cluster.ID().String())
+
+ if r.URL.Path != peerMembersPath {
+ http.Error(w, "bad path", http.StatusBadRequest)
+ return
+ }
+ ms := h.cluster.Members()
+ w.Header().Set("Content-Type", "application/json")
+ if err := json.NewEncoder(w).Encode(ms); err != nil {
+ if h.lg != nil {
+ h.lg.Warn("failed to encode membership members", zap.Error(err))
+ } else {
+ plog.Warningf("failed to encode members response (%v)", err)
+ }
+ }
+}
+
+func (h *peerMemberPromoteHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+ if !allowMethod(w, r, "POST") {
+ return
+ }
+ w.Header().Set("X-Etcd-Cluster-ID", h.cluster.ID().String())
+
+ if !strings.HasPrefix(r.URL.Path, peerMemberPromotePrefix) {
+ http.Error(w, "bad path", http.StatusBadRequest)
+ return
+ }
+ idStr := strings.TrimPrefix(r.URL.Path, peerMemberPromotePrefix)
+ id, err := strconv.ParseUint(idStr, 10, 64)
+ if err != nil {
+ http.Error(w, fmt.Sprintf("member %s not found in cluster", idStr), http.StatusNotFound)
+ return
+ }
+
+ resp, err := h.server.PromoteMember(r.Context(), id)
+ if err != nil {
+ switch err {
+ case membership.ErrIDNotFound:
+ http.Error(w, err.Error(), http.StatusNotFound)
+ case membership.ErrMemberNotLearner:
+ http.Error(w, err.Error(), http.StatusPreconditionFailed)
+ case etcdserver.ErrLearnerNotReady:
+ http.Error(w, err.Error(), http.StatusPreconditionFailed)
+ default:
+ WriteError(h.lg, w, r, err)
+ }
+ if h.lg != nil {
+ h.lg.Warn(
+ "failed to promote a member",
+ zap.String("member-id", types.ID(id).String()),
+ zap.Error(err),
+ )
+ } else {
+ plog.Errorf("error promoting member %s (%v)", types.ID(id).String(), err)
+ }
+ return
+ }
+
+ w.Header().Set("Content-Type", "application/json")
+ w.WriteHeader(http.StatusOK)
+ if err := json.NewEncoder(w).Encode(resp); err != nil {
+ if h.lg != nil {
+ h.lg.Warn("failed to encode members response", zap.Error(err))
+ } else {
+ plog.Warningf("failed to encode members response (%v)", err)
+ }
+ }
+}