本文整理汇总了Golang中github.com/coreos/etcd/log.Fatal函数的典型用法代码示例。如果您正苦于以下问题:Golang Fatal函数的具体用法?Golang Fatal怎么用?Golang Fatal使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了Fatal函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: NewListener
// NewListener creates a net.Listener
// If the given scheme is "https", it will use TLS config to set listener.
// If any error happens, this function will call log.Fatal
func NewListener(scheme, addr string, cfg *tls.Config) net.Listener {
if scheme == "https" {
l, err := newTLSListener(addr, cfg)
if err != nil {
log.Fatal("Failed to create TLS listener: ", err)
}
return l
}
l, err := newListener(addr)
if err != nil {
log.Fatal("Failed to create listener: ", err)
}
return l
}
示例2: runServer
func (e *Etcd) runServer() {
var removeNotify <-chan bool
for {
if e.mode == PeerMode {
log.Infof("%v starting in peer mode", e.Config.Name)
// Starting peer server should be followed close by listening on its port
// If not, it may leave many requests unaccepted, or cannot receive heartbeat from the cluster.
// One severe problem caused if failing receiving heartbeats is when the second node joins one-node cluster,
// the cluster could be out of work as long as the two nodes cannot transfer messages.
e.PeerServer.Start(e.Config.Snapshot, e.Config.ClusterConfig())
removeNotify = e.PeerServer.RemoveNotify()
} else {
log.Infof("%v starting in standby mode", e.Config.Name)
e.StandbyServer.Start()
removeNotify = e.StandbyServer.RemoveNotify()
}
// etcd server is ready to accept connections, notify waiters.
e.onceReady.Do(func() { close(e.readyNotify) })
select {
case <-e.closeChan:
e.PeerServer.Stop()
e.StandbyServer.Stop()
return
case <-removeNotify:
}
if e.mode == PeerMode {
peerURLs := e.Registry.PeerURLs(e.PeerServer.RaftServer().Leader(), e.Config.Name)
e.StandbyServer.SyncCluster(peerURLs)
e.setMode(StandbyMode)
} else {
// Create etcd key-value store and registry.
e.Store = store.New()
e.Registry = server.NewRegistry(e.Store)
e.PeerServer.SetStore(e.Store)
e.PeerServer.SetRegistry(e.Registry)
e.Server.SetStore(e.Store)
e.Server.SetRegistry(e.Registry)
// Generate new peer server here.
// TODO(yichengq): raft server cannot be started after stopped.
// It should be removed when raft restart is implemented.
heartbeatInterval := time.Duration(e.Config.Peer.HeartbeatInterval) * time.Millisecond
electionTimeout := time.Duration(e.Config.Peer.ElectionTimeout) * time.Millisecond
raftServer, err := raft.NewServer(e.Config.Name, e.Config.DataDir, e.PeerServer.RaftServer().Transporter(), e.Store, e.PeerServer, "")
if err != nil {
log.Fatal(err)
}
raftServer.SetElectionTimeout(electionTimeout)
raftServer.SetHeartbeatInterval(heartbeatInterval)
e.PeerServer.SetRaftServer(raftServer, e.Config.Snapshot)
e.StandbyServer.SetRaftServer(raftServer)
e.PeerServer.SetJoinIndex(e.StandbyServer.JoinIndex())
e.setMode(PeerMode)
}
}
}
示例3: parseFlags
// Parses non-configuration flags.
func parseFlags() {
var versionFlag bool
var cpuprofile string
f := flag.NewFlagSet(os.Args[0], -1)
f.SetOutput(ioutil.Discard)
f.BoolVar(&versionFlag, "version", false, "print the version and exit")
f.StringVar(&cpuprofile, "cpuprofile", "", "write cpu profile to file")
f.Parse(os.Args[1:])
// Print version if necessary.
if versionFlag {
fmt.Println(server.ReleaseVersion)
os.Exit(0)
}
// Begin CPU profiling if specified.
if cpuprofile != "" {
f, err := os.Create(cpuprofile)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
go func() {
sig := <-c
log.Infof("captured %v, stopping profiler and exiting..", sig)
pprof.StopCPUProfile()
os.Exit(1)
}()
}
}
示例4: NameFromHostname
// NameFromHostname sets the machine name from the hostname. This is to help
// people get started without thinking up a name.
func (c *Config) NameFromHostname() {
host, err := os.Hostname()
if err != nil && host == "" {
log.Fatal("Node name required and hostname not set. e.g. '-name=name'")
}
c.Name = host
}
示例5: NewPeerServer
func NewPeerServer(name string, path string, url string, bindAddr string, tlsConf *TLSConfig, tlsInfo *TLSInfo, registry *Registry, store store.Store, snapshotCount int, heartbeatTimeout, electionTimeout time.Duration) *PeerServer {
s := &PeerServer{
name: name,
url: url,
bindAddr: bindAddr,
tlsConf: tlsConf,
tlsInfo: tlsInfo,
registry: registry,
store: store,
followersStats: &raftFollowersStats{
Leader: name,
Followers: make(map[string]*raftFollowerStats),
},
serverStats: &raftServerStats{
Name: name,
StartTime: time.Now(),
sendRateQueue: &statsQueue{
back: -1,
},
recvRateQueue: &statsQueue{
back: -1,
},
},
HeartbeatTimeout: heartbeatTimeout,
ElectionTimeout: electionTimeout,
timeoutThresholdChan: make(chan interface{}, 1),
}
// Create transporter for raft
raftTransporter := newTransporter(tlsConf.Scheme, tlsConf.Client, s)
// Create raft server
raftServer, err := raft.NewServer(name, path, raftTransporter, s.store, s, "")
if err != nil {
log.Fatal(err)
}
s.snapConf = &snapshotConf{
checkingInterval: time.Second * 3,
// this is not accurate, we will update raft to provide an api
lastIndex: raftServer.CommitIndex(),
snapshotThr: uint64(snapshotCount),
}
s.raftServer = raftServer
s.raftServer.AddEventListener(raft.StateChangeEventType, s.raftEventLogger)
s.raftServer.AddEventListener(raft.LeaderChangeEventType, s.raftEventLogger)
s.raftServer.AddEventListener(raft.TermChangeEventType, s.raftEventLogger)
s.raftServer.AddEventListener(raft.AddPeerEventType, s.raftEventLogger)
s.raftServer.AddEventListener(raft.RemovePeerEventType, s.raftEventLogger)
s.raftServer.AddEventListener(raft.HeartbeatTimeoutEventType, s.raftEventLogger)
s.raftServer.AddEventListener(raft.ElectionTimeoutThresholdEventType, s.raftEventLogger)
return s
}
示例6: TLSServerConfig
// TLSServerConfig generates tls configuration based on TLSInfo
// If any error happens, this function will call log.Fatal
func TLSServerConfig(info *TLSInfo) *tls.Config {
if info.KeyFile == "" || info.CertFile == "" {
return nil
}
cfg, err := info.ServerConfig()
if err != nil {
log.Fatal("TLS info error: ", err)
}
return cfg
}
示例7: NewListener
// NewListener creates a net.Listener
// If the given scheme is "https", it will generate TLS configuration based on TLSInfo.
// If any error happens, this function will call log.Fatal
func NewListener(scheme, addr string, tlsInfo *TLSInfo) net.Listener {
if scheme == "https" {
cfg, err := tlsInfo.ServerConfig()
if err != nil {
log.Fatal("TLS info error: ", err)
}
l, err := newTLSListener(addr, cfg)
if err != nil {
log.Fatal("Failed to create TLS listener: ", err)
}
return l
}
l, err := newListener(addr)
if err != nil {
log.Fatal("Failed to create listener: ", err)
}
return l
}
示例8: profile
// profile starts CPU profiling.
func profile(path string) {
f, err := os.Create(path)
if err != nil {
log.Fatal(err)
}
pprof.StartCPUProfile(f)
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
go func() {
sig := <-c
log.Infof("captured %v, stopping profiler and exiting..", sig)
pprof.StopCPUProfile()
os.Exit(1)
}()
}
示例9: joinCluster
func (s *PeerServer) joinCluster(cluster []string) bool {
for _, peer := range cluster {
if len(peer) == 0 {
continue
}
err := s.joinByPeer(s.raftServer, peer, s.tlsConf.Scheme)
if err == nil {
log.Debugf("%s success join to the cluster via peer %s", s.name, peer)
return true
} else {
if _, ok := err.(etcdErr.Error); ok {
log.Fatal(err)
}
log.Debugf("cannot join to cluster via peer %s %s", peer, err)
}
}
return false
}
示例10: NewPeerServer
func NewPeerServer(name string, path string, url string, bindAddr string, tlsConf *TLSConfig, tlsInfo *TLSInfo, registry *Registry, store store.Store, snapshotCount int) *PeerServer {
s := &PeerServer{
name: name,
url: url,
bindAddr: bindAddr,
tlsConf: tlsConf,
tlsInfo: tlsInfo,
registry: registry,
store: store,
snapConf: &snapshotConf{time.Second * 3, 0, uint64(snapshotCount)},
followersStats: &raftFollowersStats{
Leader: name,
Followers: make(map[string]*raftFollowerStats),
},
serverStats: &raftServerStats{
StartTime: time.Now(),
sendRateQueue: &statsQueue{
back: -1,
},
recvRateQueue: &statsQueue{
back: -1,
},
},
HeartbeatTimeout: defaultHeartbeatTimeout,
ElectionTimeout: defaultElectionTimeout,
}
// Create transporter for raft
raftTransporter := newTransporter(tlsConf.Scheme, tlsConf.Client, s)
// Create raft server
raftServer, err := raft.NewServer(name, path, raftTransporter, s.store, s, "")
if err != nil {
log.Fatal(err)
}
s.raftServer = raftServer
return s
}
示例11: joinCluster
func (s *PeerServer) joinCluster(cluster []string) bool {
for _, peer := range cluster {
if len(peer) == 0 {
continue
}
err := s.joinByPeer(s.raftServer, peer, s.Config.Scheme)
if err == nil {
log.Debugf("%s joined the cluster via peer %s", s.Config.Name, peer)
return true
}
if _, ok := err.(etcdErr.Error); ok {
log.Fatal(err)
}
log.Warnf("Attempt to join via %s failed: %s", peer, err)
}
return false
}
示例12: main
func main() {
// Load configuration.
var config = config.New()
if err := config.Load(os.Args[1:]); err != nil {
fmt.Println(server.Usage() + "\n")
fmt.Println(err.Error() + "\n")
os.Exit(1)
} else if config.ShowVersion {
fmt.Println("etcd version", server.ReleaseVersion)
os.Exit(0)
} else if config.ShowHelp {
fmt.Println(server.Usage() + "\n")
os.Exit(0)
}
// Enable options.
if config.VeryVeryVerbose {
log.Verbose = true
raft.SetLogLevel(raft.Trace)
} else if config.VeryVerbose {
log.Verbose = true
raft.SetLogLevel(raft.Debug)
} else if config.Verbose {
log.Verbose = true
}
if config.CPUProfileFile != "" {
profile(config.CPUProfileFile)
}
if config.DataDir == "" {
log.Fatal("The data dir was not set and could not be guessed from machine name")
}
// Create data directory if it doesn't already exist.
if err := os.MkdirAll(config.DataDir, 0744); err != nil {
log.Fatalf("Unable to create path: %s", err)
}
// Warn people if they have an info file
info := filepath.Join(config.DataDir, "info")
if _, err := os.Stat(info); err == nil {
log.Warnf("All cached configuration is now ignored. The file %s can be removed.", info)
}
var mbName string
if config.Trace() {
mbName = config.MetricsBucketName()
runtime.SetBlockProfileRate(1)
}
mb := metrics.NewBucket(mbName)
if config.GraphiteHost != "" {
err := mb.Publish(config.GraphiteHost)
if err != nil {
panic(err)
}
}
// Retrieve CORS configuration
corsInfo, err := ehttp.NewCORSInfo(config.CorsOrigins)
if err != nil {
log.Fatal("CORS:", err)
}
// Create etcd key-value store and registry.
store := store.New()
registry := server.NewRegistry(store)
// Create stats objects
followersStats := server.NewRaftFollowersStats(config.Name)
serverStats := server.NewRaftServerStats(config.Name)
// Calculate all of our timeouts
heartbeatInterval := time.Duration(config.Peer.HeartbeatInterval) * time.Millisecond
electionTimeout := time.Duration(config.Peer.ElectionTimeout) * time.Millisecond
dialTimeout := (3 * heartbeatInterval) + electionTimeout
responseHeaderTimeout := (3 * heartbeatInterval) + electionTimeout
// Create peer server
psConfig := server.PeerServerConfig{
Name: config.Name,
Scheme: config.PeerTLSInfo().Scheme(),
URL: config.Peer.Addr,
SnapshotCount: config.SnapshotCount,
MaxClusterSize: config.MaxClusterSize,
RetryTimes: config.MaxRetryAttempts,
RetryInterval: config.RetryInterval,
}
ps := server.NewPeerServer(psConfig, registry, store, &mb, followersStats, serverStats)
var psListener net.Listener
if psConfig.Scheme == "https" {
peerServerTLSConfig, err := config.PeerTLSInfo().ServerConfig()
if err != nil {
log.Fatal("peer server TLS error: ", err)
}
psListener, err = server.NewTLSListener(config.Peer.BindAddr, peerServerTLSConfig)
if err != nil {
//.........这里部分代码省略.........
示例13: main
func main() {
// Load configuration.
var config = server.NewConfig()
if err := config.Load(os.Args[1:]); err != nil {
fmt.Println(server.Usage() + "\n")
fmt.Println(err.Error() + "\n")
os.Exit(1)
} else if config.ShowVersion {
fmt.Println(server.ReleaseVersion)
os.Exit(0)
} else if config.ShowHelp {
fmt.Println(server.Usage() + "\n")
os.Exit(0)
}
// Enable options.
if config.VeryVeryVerbose {
log.Verbose = true
raft.SetLogLevel(raft.Trace)
} else if config.VeryVerbose {
log.Verbose = true
raft.SetLogLevel(raft.Debug)
} else if config.Verbose {
log.Verbose = true
}
if config.CPUProfileFile != "" {
profile(config.CPUProfileFile)
}
if config.DataDir == "" {
log.Fatal("The data dir was not set and could not be guessed from machine name")
}
// Create data directory if it doesn't already exist.
if err := os.MkdirAll(config.DataDir, 0744); err != nil {
log.Fatalf("Unable to create path: %s", err)
}
// Load info object.
info, err := config.Info()
if err != nil {
log.Fatal("info:", err)
}
// Retrieve TLS configuration.
tlsConfig, err := info.EtcdTLS.Config()
if err != nil {
log.Fatal("Client TLS:", err)
}
peerTLSConfig, err := info.RaftTLS.Config()
if err != nil {
log.Fatal("Peer TLS:", err)
}
var mbName string
if config.Trace() {
mbName = config.MetricsBucketName()
runtime.SetBlockProfileRate(1)
}
mb := metrics.NewBucket(mbName)
if config.GraphiteHost != "" {
err := mb.Publish(config.GraphiteHost)
if err != nil {
panic(err)
}
}
// Create etcd key-value store and registry.
store := store.New()
registry := server.NewRegistry(store)
// Create peer server.
heartbeatTimeout := time.Duration(config.Peer.HeartbeatTimeout) * time.Millisecond
electionTimeout := time.Duration(config.Peer.ElectionTimeout) * time.Millisecond
ps := server.NewPeerServer(info.Name, config.DataDir, info.RaftURL, info.RaftListenHost, &peerTLSConfig, &info.RaftTLS, registry, store, config.SnapshotCount, heartbeatTimeout, electionTimeout, &mb)
ps.MaxClusterSize = config.MaxClusterSize
ps.RetryTimes = config.MaxRetryAttempts
// Create client server.
s := server.New(info.Name, info.EtcdURL, info.EtcdListenHost, &tlsConfig, &info.EtcdTLS, ps, registry, store, &mb)
if err := s.AllowOrigins(config.CorsOrigins); err != nil {
panic(err)
}
if config.Trace() {
s.EnableTracing()
}
ps.SetServer(s)
// Run peer server in separate thread while the client server blocks.
go func() {
log.Fatal(ps.ListenAndServe(config.Snapshot, config.Peers))
}()
log.Fatal(s.ListenAndServe())
}
示例14: main
func main() {
// Load configuration.
var config = server.NewConfig()
if err := config.Load(os.Args[1:]); err != nil {
fmt.Println(server.Usage() + "\n")
fmt.Println(err.Error() + "\n")
os.Exit(1)
} else if config.ShowVersion {
fmt.Println(server.ReleaseVersion)
os.Exit(0)
} else if config.ShowHelp {
fmt.Println(server.Usage() + "\n")
os.Exit(0)
}
// Enable options.
if config.VeryVeryVerbose {
log.Verbose = true
raft.SetLogLevel(raft.Trace)
} else if config.VeryVerbose {
log.Verbose = true
raft.SetLogLevel(raft.Debug)
} else if config.Verbose {
log.Verbose = true
}
if config.CPUProfileFile != "" {
profile(config.CPUProfileFile)
}
if config.DataDir == "" {
log.Fatal("The data dir was not set and could not be guessed from machine name")
}
// Create data directory if it doesn't already exist.
if err := os.MkdirAll(config.DataDir, 0744); err != nil {
log.Fatalf("Unable to create path: %s", err)
}
// Load info object.
info, err := config.Info()
if err != nil {
log.Fatal("info:", err)
}
// Retrieve TLS configuration.
tlsConfig, err := info.EtcdTLS.Config()
if err != nil {
log.Fatal("Client TLS:", err)
}
peerTLSConfig, err := info.RaftTLS.Config()
if err != nil {
log.Fatal("Peer TLS:", err)
}
var mbName string
if config.Trace() {
mbName = config.MetricsBucketName()
runtime.SetBlockProfileRate(1)
}
mb := metrics.NewBucket(mbName)
if config.GraphiteHost != "" {
err := mb.Publish(config.GraphiteHost)
if err != nil {
panic(err)
}
}
// Retrieve CORS configuration
corsInfo, err := ehttp.NewCORSInfo(config.CorsOrigins)
if err != nil {
log.Fatal("CORS:", err)
}
// Create etcd key-value store and registry.
store := store.New()
registry := server.NewRegistry(store)
// Create stats objects
followersStats := server.NewRaftFollowersStats(info.Name)
serverStats := server.NewRaftServerStats(info.Name)
// Calculate all of our timeouts
heartbeatTimeout := time.Duration(config.Peer.HeartbeatTimeout) * time.Millisecond
electionTimeout := time.Duration(config.Peer.ElectionTimeout) * time.Millisecond
dialTimeout := (3 * heartbeatTimeout) + electionTimeout
responseHeaderTimeout := (3 * heartbeatTimeout) + electionTimeout
// Create peer server.
psConfig := server.PeerServerConfig{
Name: info.Name,
Scheme: peerTLSConfig.Scheme,
URL: info.RaftURL,
SnapshotCount: config.SnapshotCount,
MaxClusterSize: config.MaxClusterSize,
RetryTimes: config.MaxRetryAttempts,
}
ps := server.NewPeerServer(psConfig, registry, store, &mb, followersStats, serverStats)
//.........这里部分代码省略.........
示例15: Run
// Run the etcd instance.
func (e *Etcd) Run() {
// Enable options.
if e.Config.VeryVeryVerbose {
log.Verbose = true
raft.SetLogLevel(raft.Trace)
goetcd.SetLogger(
golog.New(
"go-etcd",
false,
golog.CombinedSink(
os.Stdout,
"[%s] %s %-9s | %s\n",
[]string{"prefix", "time", "priority", "message"},
),
),
)
} else if e.Config.VeryVerbose {
log.Verbose = true
raft.SetLogLevel(raft.Debug)
} else if e.Config.Verbose {
log.Verbose = true
}
if e.Config.CPUProfileFile != "" {
profile(e.Config.CPUProfileFile)
}
if e.Config.DataDir == "" {
log.Fatal("The data dir was not set and could not be guessed from machine name")
}
// Create data directory if it doesn't already exist.
if err := os.MkdirAll(e.Config.DataDir, 0744); err != nil {
log.Fatalf("Unable to create path: %s", err)
}
// Warn people if they have an info file
info := filepath.Join(e.Config.DataDir, "info")
if _, err := os.Stat(info); err == nil {
log.Warnf("All cached configuration is now ignored. The file %s can be removed.", info)
}
var mbName string
if e.Config.Trace() {
mbName = e.Config.MetricsBucketName()
runtime.SetBlockProfileRate(1)
}
mb := metrics.NewBucket(mbName)
if e.Config.GraphiteHost != "" {
err := mb.Publish(e.Config.GraphiteHost)
if err != nil {
panic(err)
}
}
// Retrieve CORS configuration
corsInfo, err := ehttp.NewCORSInfo(e.Config.CorsOrigins)
if err != nil {
log.Fatal("CORS:", err)
}
// Create etcd key-value store and registry.
e.Store = store.New()
e.Registry = server.NewRegistry(e.Store)
// Create stats objects
followersStats := server.NewRaftFollowersStats(e.Config.Name)
serverStats := server.NewRaftServerStats(e.Config.Name)
// Calculate all of our timeouts
heartbeatInterval := time.Duration(e.Config.Peer.HeartbeatInterval) * time.Millisecond
electionTimeout := time.Duration(e.Config.Peer.ElectionTimeout) * time.Millisecond
dialTimeout := (3 * heartbeatInterval) + electionTimeout
responseHeaderTimeout := (3 * heartbeatInterval) + electionTimeout
// Create peer server
psConfig := server.PeerServerConfig{
Name: e.Config.Name,
Scheme: e.Config.PeerTLSInfo().Scheme(),
URL: e.Config.Peer.Addr,
SnapshotCount: e.Config.SnapshotCount,
RetryTimes: e.Config.MaxRetryAttempts,
RetryInterval: e.Config.RetryInterval,
}
e.PeerServer = server.NewPeerServer(psConfig, e.Registry, e.Store, &mb, followersStats, serverStats)
// Create raft transporter and server
raftTransporter := server.NewTransporter(followersStats, serverStats, e.Registry, heartbeatInterval, dialTimeout, responseHeaderTimeout)
if psConfig.Scheme == "https" {
raftClientTLSConfig, err := e.Config.PeerTLSInfo().ClientConfig()
if err != nil {
log.Fatal("raft client TLS error: ", err)
}
raftTransporter.SetTLSConfig(*raftClientTLSConfig)
}
raftServer, err := raft.NewServer(e.Config.Name, e.Config.DataDir, raftTransporter, e.Store, e.PeerServer, "")
if err != nil {
//.........这里部分代码省略.........