etcd/raft/rafttest/interaction_env_handler_pro...

83 lines
2.2 KiB
Go

// Copyright 2019 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"
"strconv"
"testing"
"github.com/cockroachdb/datadriven"
"go.etcd.io/etcd/v3/raft/raftpb"
)
func (env *InteractionEnv) handleProposeConfChange(t *testing.T, d datadriven.TestData) error {
idx := firstAsNodeIdx(t, d)
var v1 bool
transition := raftpb.ConfChangeTransitionAuto
for _, arg := range d.CmdArgs[1:] {
for _, val := range arg.Vals {
switch arg.Key {
case "v1":
var err error
v1, err = strconv.ParseBool(val)
if err != nil {
return err
}
case "transition":
switch val {
case "auto":
transition = raftpb.ConfChangeTransitionAuto
case "implicit":
transition = raftpb.ConfChangeTransitionJointImplicit
case "explicit":
transition = raftpb.ConfChangeTransitionJointExplicit
default:
return fmt.Errorf("unknown transition %s", val)
}
default:
return fmt.Errorf("unknown command %s", arg.Key)
}
}
}
ccs, err := raftpb.ConfChangesFromString(d.Input)
if err != nil {
return err
}
var c raftpb.ConfChangeI
if v1 {
if len(ccs) > 1 || transition != raftpb.ConfChangeTransitionAuto {
return fmt.Errorf("v1 conf change can only have one operation and no transition")
}
c = raftpb.ConfChange{
Type: ccs[0].Type,
NodeID: ccs[0].NodeID,
}
} else {
c = raftpb.ConfChangeV2{
Transition: transition,
Changes: ccs,
}
}
return env.ProposeConfChange(idx, c)
}
// ProposeConfChange proposes a configuration change on the node with the given index.
func (env *InteractionEnv) ProposeConfChange(idx int, c raftpb.ConfChangeI) error {
return env.Nodes[idx].ProposeConfChange(c)
}