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main.go
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main.go
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// Copyright 2019-present Open Networking Foundation.
//
// 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 (
"bytes"
"fmt"
"github.com/atomix/api/proto/atomix/controller"
"github.com/atomix/go-framework/pkg/atomix/cluster"
"github.com/atomix/go-framework/pkg/atomix/registry"
"github.com/atomix/go-framework/pkg/atomix/util"
"github.com/atomix/nopaxos-replica/pkg/atomix/nopaxos"
"github.com/atomix/nopaxos-replica/pkg/atomix/nopaxos/config"
"github.com/gogo/protobuf/jsonpb"
log "github.com/sirupsen/logrus"
"io/ioutil"
"os"
"os/signal"
)
func main() {
log.SetLevel(log.TraceLevel)
log.SetOutput(os.Stdout)
nodeID := os.Args[1]
partitionConfig := parsePartitionConfig()
protocolConfig := parseProtocolConfig()
members := make(map[string]cluster.Member)
for _, member := range partitionConfig.Members {
members[member.ID] = cluster.Member{
ID: member.ID,
Host: member.Host,
APIPort: int(member.APIPort),
ProtocolPort: int(member.ProtocolPort),
}
}
cluster := cluster.Cluster{
MemberID: nodeID,
Members: members,
}
// Start the node. The node will be started in its own goroutine.
server := nopaxos.NewServer(cluster, registry.Registry, protocolConfig)
if err := server.Start(); err != nil {
fmt.Println(err)
os.Exit(1)
}
// Set the ready file to indicate startup of the protocol is complete.
ready := util.NewFileReady()
_ = ready.Set()
// Wait for an interrupt signal
ch := make(chan os.Signal, 1)
signal.Notify(ch, os.Interrupt)
<-ch
// Stop the node after an interrupt
if err := server.Stop(); err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func parsePartitionConfig() *controller.PartitionConfig {
nodeConfigFile := os.Args[2]
nodeConfig := &controller.PartitionConfig{}
nodeBytes, err := ioutil.ReadFile(nodeConfigFile)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
if err := jsonpb.Unmarshal(bytes.NewReader(nodeBytes), nodeConfig); err != nil {
fmt.Println(err)
os.Exit(1)
}
return nodeConfig
}
func parseProtocolConfig() *config.ProtocolConfig {
protocolConfigFile := os.Args[3]
protocolConfig := &config.ProtocolConfig{}
protocolBytes, err := ioutil.ReadFile(protocolConfigFile)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
if err := jsonpb.Unmarshal(bytes.NewReader(protocolBytes), protocolConfig); err != nil {
fmt.Println(err)
os.Exit(1)
}
return protocolConfig
}