diff --git a/vendor/go.etcd.io/etcd/raft/status.go b/vendor/go.etcd.io/etcd/raft/status.go
new file mode 100644
index 0000000..adc6048
--- /dev/null
+++ b/vendor/go.etcd.io/etcd/raft/status.go
@@ -0,0 +1,106 @@
+// 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 raft
+
+import (
+	"fmt"
+
+	pb "go.etcd.io/etcd/raft/raftpb"
+	"go.etcd.io/etcd/raft/tracker"
+)
+
+// Status contains information about this Raft peer and its view of the system.
+// The Progress is only populated on the leader.
+type Status struct {
+	BasicStatus
+	Config   tracker.Config
+	Progress map[uint64]tracker.Progress
+}
+
+// BasicStatus contains basic information about the Raft peer. It does not allocate.
+type BasicStatus struct {
+	ID uint64
+
+	pb.HardState
+	SoftState
+
+	Applied uint64
+
+	LeadTransferee uint64
+}
+
+func getProgressCopy(r *raft) map[uint64]tracker.Progress {
+	m := make(map[uint64]tracker.Progress)
+	r.prs.Visit(func(id uint64, pr *tracker.Progress) {
+		var p tracker.Progress
+		p = *pr
+		p.Inflights = pr.Inflights.Clone()
+		pr = nil
+
+		m[id] = p
+	})
+	return m
+}
+
+func getBasicStatus(r *raft) BasicStatus {
+	s := BasicStatus{
+		ID:             r.id,
+		LeadTransferee: r.leadTransferee,
+	}
+	s.HardState = r.hardState()
+	s.SoftState = *r.softState()
+	s.Applied = r.raftLog.applied
+	return s
+}
+
+// getStatus gets a copy of the current raft status.
+func getStatus(r *raft) Status {
+	var s Status
+	s.BasicStatus = getBasicStatus(r)
+	if s.RaftState == StateLeader {
+		s.Progress = getProgressCopy(r)
+	}
+	s.Config = r.prs.Config.Clone()
+	return s
+}
+
+// MarshalJSON translates the raft status into JSON.
+// TODO: try to simplify this by introducing ID type into raft
+func (s Status) MarshalJSON() ([]byte, error) {
+	j := fmt.Sprintf(`{"id":"%x","term":%d,"vote":"%x","commit":%d,"lead":"%x","raftState":%q,"applied":%d,"progress":{`,
+		s.ID, s.Term, s.Vote, s.Commit, s.Lead, s.RaftState, s.Applied)
+
+	if len(s.Progress) == 0 {
+		j += "},"
+	} else {
+		for k, v := range s.Progress {
+			subj := fmt.Sprintf(`"%x":{"match":%d,"next":%d,"state":%q},`, k, v.Match, v.Next, v.State)
+			j += subj
+		}
+		// remove the trailing ","
+		j = j[:len(j)-1] + "},"
+	}
+
+	j += fmt.Sprintf(`"leadtransferee":"%x"}`, s.LeadTransferee)
+	return []byte(j), nil
+}
+
+func (s Status) String() string {
+	b, err := s.MarshalJSON()
+	if err != nil {
+		raftLogger.Panicf("unexpected error: %v", err)
+	}
+	return string(b)
+}