etcd/raft/rafttest/interaction_env_handler_raftstate.go

49 lines
1.3 KiB
Go

// Copyright 2021 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 rafttest
import (
"fmt"
"go.etcd.io/etcd/raft/v3"
)
// isVoter checks whether node id is in the voter list within st.
func isVoter(id uint64, st raft.Status) bool {
idMap := st.Config.Voters.IDs()
for idx := range idMap {
if id == idx {
return true
}
}
return false
}
// handleRaftState pretty-prints the raft state for all nodes to the output buffer.
// For each node, the information is based on its own configuration view.
func (env *InteractionEnv) handleRaftState() error {
for _, n := range env.Nodes {
st := n.Status()
var voterStatus string
if isVoter(st.ID, st) {
voterStatus = "(Voter)"
} else {
voterStatus = "(Non-Voter)"
}
fmt.Fprintf(env.Output, "%d: %s %s\n", st.ID, st.RaftState, voterStatus)
}
return nil
}