/
node.go
93 lines (82 loc) · 2.11 KB
/
node.go
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// Copyright 2021 Matrix Origin
//
// 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 main
import (
"fmt"
"sync"
"time"
"github.com/matrixorigin/matrixcube/config"
"github.com/matrixorigin/matrixcube/raftstore"
"github.com/matrixorigin/matrixcube/storage"
"github.com/matrixorigin/matrixcube/vfs"
fz "github.com/matrixorigin/matrixone/pkg/chaostesting"
"go.uber.org/zap"
)
type Node struct {
Logger *zap.Logger
Config *config.Config
RaftStore raftstore.Store
DataStorage storage.DataStorage
FS vfs.FS
Cond *sync.Cond
Created bool
IsLeader bool
IsFollower bool
}
func (_ Def2) CloseNode(
nodes fz.Nodes,
logger fz.Logger,
) fz.CloseNode {
return func(id fz.NodeID) error {
node := nodes[id].(*Node)
if node.RaftStore != nil {
node.RaftStore.Stop()
logger.Info("node stopped", zap.Int("node-id", int(id)))
}
return nil
}
}
type RestartNode func(id fz.NodeID) error
func (_ Def) RestartNode(
closeNode fz.CloseNode,
nodes fz.Nodes,
logger fz.Logger,
) RestartNode {
return func(id fz.NodeID) (err error) {
defer he(&err)
ce(closeNode(id))
n := nodes[id].(*Node)
n.Created = false
n.IsLeader = false
n.IsFollower = false
n.RaftStore = raftstore.NewStore(n.Config)
n.RaftStore.Start()
done := make(chan struct{})
go func() {
n.Cond.L.Lock()
for !(n.Created && (n.IsLeader || n.IsFollower)) {
n.Cond.Wait()
}
n.Cond.L.Unlock()
close(done)
}()
select {
case <-done:
logger.Info("node restarted", zap.Int("node-id", int(id)))
case <-time.After(time.Minute):
return we(fmt.Errorf("restart timeout"))
}
return
}
}