本文整理汇总了Golang中github.com/coreos/etcd/pkg/osutil.RegisterInterruptHandler函数的典型用法代码示例。如果您正苦于以下问题:Golang RegisterInterruptHandler函数的具体用法?Golang RegisterInterruptHandler怎么用?Golang RegisterInterruptHandler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RegisterInterruptHandler函数的9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: startEtcd
// startEtcd runs StartEtcd in addition to hooks needed for standalone etcd.
func startEtcd(cfg *embed.Config) (<-chan struct{}, <-chan error, error) {
e, err := embed.StartEtcd(cfg)
if err != nil {
return nil, nil, err
}
osutil.RegisterInterruptHandler(e.Server.Stop)
return e.Server.StopNotify(), e.Err(), nil
}
示例2: startEtcd
// startEtcd runs StartEtcd in addition to hooks needed for standalone etcd.
func startEtcd(cfg *embed.Config) (<-chan struct{}, <-chan error, error) {
defaultHost, dhErr := cfg.IsDefaultHost()
if defaultHost != "" {
if dhErr == nil {
plog.Infof("advertising using detected default host %q", defaultHost)
} else {
plog.Noticef("failed to detect default host, advertise falling back to %q (%v)", defaultHost, dhErr)
}
}
e, err := embed.StartEtcd(cfg)
if err != nil {
return nil, nil, err
}
osutil.RegisterInterruptHandler(e.Server.Stop)
<-e.Server.ReadyNotify() // wait for e.Server to join the cluster
return e.Server.StopNotify(), e.Err(), nil
}
示例3: startEtcd
// startEtcd launches the etcd server and HTTP handlers for client/server communication.
func startEtcd(cfg *config) (<-chan struct{}, error) {
initialPeers, token, err := setupCluster(cfg)
if err != nil {
return nil, fmt.Errorf("error setting up initial cluster: %v", err)
}
pt, err := transport.NewTimeoutTransport(cfg.peerTLSInfo, time.Second, rafthttp.ConnReadTimeout, rafthttp.ConnWriteTimeout)
if err != nil {
return nil, err
}
if !cfg.peerTLSInfo.Empty() {
glog.V(2).Infof("etcd: peerTLS: %s", cfg.peerTLSInfo)
}
plns := make([]net.Listener, 0)
for _, u := range cfg.lpurls {
var l net.Listener
l, err = transport.NewTimeoutListener(u.Host, u.Scheme, cfg.peerTLSInfo, rafthttp.ConnReadTimeout, rafthttp.ConnWriteTimeout)
if err != nil {
return nil, err
}
urlStr := u.String()
glog.V(2).Info("etcd: listening for peers on ", urlStr)
defer func() {
if err != nil {
l.Close()
glog.V(2).Info("etcd: stopping listening for peers on ", urlStr)
}
}()
plns = append(plns, l)
}
if !cfg.clientTLSInfo.Empty() {
glog.V(2).Infof("etcd: clientTLS: %s", cfg.clientTLSInfo)
}
clns := make([]net.Listener, 0)
for _, u := range cfg.lcurls {
l, err := net.Listen("tcp", u.Host)
if err != nil {
return nil, err
}
l, err = transport.NewKeepAliveListener(l, u.Scheme, cfg.clientTLSInfo)
if err != nil {
return nil, err
}
urlStr := u.String()
glog.V(2).Info("etcd: listening for client requests on ", urlStr)
defer func() {
if err != nil {
l.Close()
glog.V(2).Info("etcd: stopping listening for client requests on ", urlStr)
}
}()
clns = append(clns, l)
}
srvcfg := &etcdserver.ServerConfig{
Name: cfg.name,
ClientURLs: cfg.acurls,
PeerURLs: cfg.apurls,
DataDir: cfg.dir,
SnapCount: cfg.snapCount,
MaxSnapFiles: cfg.maxSnapFiles,
InitialPeerURLsMap: initialPeers,
InitialClusterToken: token,
MaxWALFiles: cfg.maxWalFiles,
NewCluster: true,
ForceNewCluster: false,
Transport: pt,
TickMs: cfg.TickMs,
ElectionTicks: cfg.electionTicks(),
}
var s *etcdserver.EtcdServer
s, err = etcdserver.NewServer(srvcfg)
if err != nil {
return nil, err
}
osutil.HandleInterrupts()
s.Start()
osutil.RegisterInterruptHandler(s.Stop)
ch := etcdhttp.NewClientHandler(s, srvcfg.ReqTimeout())
ph := etcdhttp.NewPeerHandler(s.Cluster(), s.RaftHandler())
// Start the peer server in a goroutine
for _, l := range plns {
go func(l net.Listener) {
glog.Fatal(serveHTTP(l, ph, 5*time.Minute))
}(l)
}
// Start a client server goroutine for each listen address
for _, l := range clns {
go func(l net.Listener) {
// read timeout does not work with http close notify
// TODO: https://github.com/golang/go/issues/9524
glog.Fatal(serveHTTP(l, ch, 0))
}(l)
}
//.........这里部分代码省略.........
示例4: startEtcd
//.........这里部分代码省略.........
plog.Infof("clientTLS: %s", cfg.clientTLSInfo)
}
clns := make([]net.Listener, 0)
for _, u := range cfg.lcurls {
if u.Scheme == "http" && !cfg.clientTLSInfo.Empty() {
plog.Warningf("The scheme of client url %s is http while client key/cert files are presented. Ignored client key/cert files.", u.String())
}
var l net.Listener
l, err = transport.NewKeepAliveListener(u.Host, u.Scheme, cfg.clientTLSInfo)
if err != nil {
return nil, err
}
if fdLimit, err := runtimeutil.FDLimit(); err == nil {
if fdLimit <= reservedInternalFDNum {
plog.Fatalf("file descriptor limit[%d] of etcd process is too low, and should be set higher than %d to ensure internal usage", fdLimit, reservedInternalFDNum)
}
l = netutil.LimitListener(l, int(fdLimit-reservedInternalFDNum))
}
urlStr := u.String()
plog.Info("listening for client requests on ", urlStr)
defer func() {
if err != nil {
l.Close()
plog.Info("stopping listening for client requests on ", urlStr)
}
}()
clns = append(clns, l)
}
var v3l net.Listener
if cfg.v3demo {
v3l, err = net.Listen("tcp", cfg.gRPCAddr)
if err != nil {
plog.Fatal(err)
}
plog.Infof("listening for client rpc on %s", cfg.gRPCAddr)
}
srvcfg := &etcdserver.ServerConfig{
Name: cfg.name,
ClientURLs: cfg.acurls,
PeerURLs: cfg.apurls,
DataDir: cfg.dir,
DedicatedWALDir: cfg.walDir,
SnapCount: cfg.snapCount,
MaxSnapFiles: cfg.maxSnapFiles,
MaxWALFiles: cfg.maxWalFiles,
InitialPeerURLsMap: urlsmap,
InitialClusterToken: token,
DiscoveryURL: cfg.durl,
DiscoveryProxy: cfg.dproxy,
NewCluster: cfg.isNewCluster(),
ForceNewCluster: cfg.forceNewCluster,
Transport: pt,
TickMs: cfg.TickMs,
ElectionTicks: cfg.electionTicks(),
V3demo: cfg.v3demo,
StrictReconfigCheck: cfg.strictReconfigCheck,
}
var s *etcdserver.EtcdServer
s, err = etcdserver.NewServer(srvcfg)
if err != nil {
return nil, err
}
s.Start()
osutil.RegisterInterruptHandler(s.Stop)
if cfg.corsInfo.String() != "" {
plog.Infof("cors = %s", cfg.corsInfo)
}
ch := &cors.CORSHandler{
Handler: etcdhttp.NewClientHandler(s, srvcfg.ReqTimeout()),
Info: cfg.corsInfo,
}
ph := etcdhttp.NewPeerHandler(s.Cluster(), s.RaftHandler())
// Start the peer server in a goroutine
for _, l := range plns {
go func(l net.Listener) {
plog.Fatal(serveHTTP(l, ph, 5*time.Minute))
}(l)
}
// Start a client server goroutine for each listen address
for _, l := range clns {
go func(l net.Listener) {
// read timeout does not work with http close notify
// TODO: https://github.com/golang/go/issues/9524
plog.Fatal(serveHTTP(l, ch, 0))
}(l)
}
if cfg.v3demo {
// set up v3 demo rpc
grpcServer := grpc.NewServer()
etcdserverpb.RegisterEtcdServer(grpcServer, v3rpc.New(s))
go plog.Fatal(grpcServer.Serve(v3l))
}
return s.StopNotify(), nil
}
示例5: startEtcd
//.........这里部分代码省略.........
}
if sctxs[u.Host] != nil {
if ctx.secure {
sctxs[u.Host].secure = true
}
if ctx.insecure {
sctxs[u.Host].insecure = true
}
continue
}
var l net.Listener
l, err = net.Listen("tcp", u.Host)
if err != nil {
return nil, err
}
var fdLimit uint64
if fdLimit, err = runtimeutil.FDLimit(); err == nil {
if fdLimit <= reservedInternalFDNum {
plog.Fatalf("file descriptor limit[%d] of etcd process is too low, and should be set higher than %d to ensure internal usage", fdLimit, reservedInternalFDNum)
}
l = transport.LimitListener(l, int(fdLimit-reservedInternalFDNum))
}
l, err = transport.NewKeepAliveListener(l, "tcp", nil)
ctx.l = l
if err != nil {
return nil, err
}
plog.Info("listening for client requests on ", u.Host)
defer func() {
if err != nil {
l.Close()
plog.Info("stopping listening for client requests on ", u.Host)
}
}()
sctxs[u.Host] = ctx
}
srvcfg := &etcdserver.ServerConfig{
Name: cfg.name,
ClientURLs: cfg.acurls,
PeerURLs: cfg.apurls,
DataDir: cfg.dir,
DedicatedWALDir: cfg.walDir,
SnapCount: cfg.snapCount,
MaxSnapFiles: cfg.maxSnapFiles,
MaxWALFiles: cfg.maxWalFiles,
InitialPeerURLsMap: urlsmap,
InitialClusterToken: token,
DiscoveryURL: cfg.durl,
DiscoveryProxy: cfg.dproxy,
NewCluster: cfg.isNewCluster(),
ForceNewCluster: cfg.forceNewCluster,
PeerTLSInfo: cfg.peerTLSInfo,
TickMs: cfg.TickMs,
ElectionTicks: cfg.electionTicks(),
AutoCompactionRetention: cfg.autoCompactionRetention,
QuotaBackendBytes: cfg.quotaBackendBytes,
StrictReconfigCheck: cfg.strictReconfigCheck,
EnablePprof: cfg.enablePprof,
}
var s *etcdserver.EtcdServer
s, err = etcdserver.NewServer(srvcfg)
if err != nil {
return nil, err
}
s.Start()
osutil.RegisterInterruptHandler(s.Stop)
if cfg.corsInfo.String() != "" {
plog.Infof("cors = %s", cfg.corsInfo)
}
ch := http.Handler(&cors.CORSHandler{
Handler: v2http.NewClientHandler(s, srvcfg.ReqTimeout()),
Info: cfg.corsInfo,
})
ph := v2http.NewPeerHandler(s)
// Start the peer server in a goroutine
for _, l := range plns {
go func(l net.Listener) {
plog.Fatal(servePeerHTTP(l, ph))
}(l)
}
// Start a client server goroutine for each listen address
for _, sctx := range sctxs {
go func(sctx *serveCtx) {
// read timeout does not work with http close notify
// TODO: https://github.com/golang/go/issues/9524
plog.Fatal(serve(sctx, s, ctlscfg, ch))
}(sctx)
}
return s.StopNotify(), nil
}
示例6: startEtcd
// startEtcd launches the etcd server and HTTP handlers for client/server communication.
func startEtcd(cfg *config) (<-chan struct{}, error) {
urlsmap, token, err := getPeerURLsMapAndToken(cfg)
if err != nil {
return nil, fmt.Errorf("error setting up initial cluster: %v", err)
}
pt, err := transport.NewTimeoutTransport(cfg.peerTLSInfo, rafthttp.DialTimeout, rafthttp.ConnReadTimeout, rafthttp.ConnWriteTimeout)
if err != nil {
return nil, err
}
if !cfg.peerTLSInfo.Empty() {
plog.Infof("peerTLS: %s", cfg.peerTLSInfo)
}
plns := make([]net.Listener, 0)
for _, u := range cfg.lpurls {
var l net.Listener
l, err = transport.NewTimeoutListener(u.Host, u.Scheme, cfg.peerTLSInfo, rafthttp.ConnReadTimeout, rafthttp.ConnWriteTimeout)
if err != nil {
return nil, err
}
urlStr := u.String()
plog.Info("listening for peers on ", urlStr)
defer func() {
if err != nil {
l.Close()
plog.Info("stopping listening for peers on ", urlStr)
}
}()
plns = append(plns, l)
}
if !cfg.clientTLSInfo.Empty() {
plog.Infof("clientTLS: %s", cfg.clientTLSInfo)
}
clns := make([]net.Listener, 0)
for _, u := range cfg.lcurls {
var l net.Listener
l, err = transport.NewKeepAliveListener(u.Host, u.Scheme, cfg.clientTLSInfo)
if err != nil {
return nil, err
}
urlStr := u.String()
plog.Info("listening for client requests on ", urlStr)
defer func() {
if err != nil {
l.Close()
plog.Info("stopping listening for client requests on ", urlStr)
}
}()
clns = append(clns, l)
}
srvcfg := &etcdserver.ServerConfig{
Name: cfg.name,
ClientURLs: cfg.acurls,
PeerURLs: cfg.apurls,
DataDir: cfg.dir,
SnapCount: cfg.snapCount,
MaxSnapFiles: cfg.maxSnapFiles,
MaxWALFiles: cfg.maxWalFiles,
InitialPeerURLsMap: urlsmap,
InitialClusterToken: token,
DiscoveryURL: cfg.durl,
DiscoveryProxy: cfg.dproxy,
NewCluster: cfg.isNewCluster(),
ForceNewCluster: cfg.forceNewCluster,
Transport: pt,
TickMs: cfg.TickMs,
ElectionTicks: cfg.electionTicks(),
}
var s *etcdserver.EtcdServer
s, err = etcdserver.NewServer(srvcfg)
if err != nil {
return nil, err
}
s.Start()
osutil.RegisterInterruptHandler(s.Stop)
if cfg.corsInfo.String() != "" {
plog.Infof("cors = %s", cfg.corsInfo)
}
ch := &cors.CORSHandler{
Handler: etcdhttp.NewClientHandler(s),
Info: cfg.corsInfo,
}
ph := etcdhttp.NewPeerHandler(s.Cluster(), s.RaftHandler())
// Start the peer server in a goroutine
for _, l := range plns {
go func(l net.Listener) {
plog.Fatal(serveHTTP(l, ph, 5*time.Minute))
}(l)
}
// Start a client server goroutine for each listen address
for _, l := range clns {
go func(l net.Listener) {
// read timeout does not work with http close notify
//.........这里部分代码省略.........
示例7: startEtcd
//.........这里部分代码省略.........
if sctxs[u.Host] != nil {
if ctx.secure {
sctxs[u.Host].secure = true
}
if ctx.insecure {
sctxs[u.Host].insecure = true
}
continue
}
var l net.Listener
l, err = net.Listen("tcp", u.Host)
if err != nil {
return nil, err
}
var fdLimit uint64
if fdLimit, err = runtimeutil.FDLimit(); err == nil {
if fdLimit <= reservedInternalFDNum {
plog.Fatalf("file descriptor limit[%d] of etcd process is too low, and should be set higher than %d to ensure internal usage", fdLimit, reservedInternalFDNum)
}
l = transport.LimitListener(l, int(fdLimit-reservedInternalFDNum))
}
l, err = transport.NewKeepAliveListener(l, "tcp", nil)
ctx.l = l
if err != nil {
return nil, err
}
plog.Info("listening for client requests on ", u.Host)
defer func() {
if err != nil {
l.Close()
plog.Info("stopping listening for client requests on ", u.Host)
}
}()
sctxs[u.Host] = ctx
}
//载入服务器相关配置
srvcfg := &etcdserver.ServerConfig{
Name: cfg.name, //etcd服务名
ClientURLs: cfg.acurls, //其他etcd监听型号地址(一般为其他主机或其他端口) (同步与交互etcd信息)
PeerURLs: cfg.apurls, //监听信号地址(本机端口) (同步与交互etcd信息)
DataDir: cfg.dir, //数据通信保存位置 (默认产生的文件夹 member/snap member/wal)
DedicatedWALDir: cfg.walDir, //ETCD将写WAL文件到walDir而不是DATADIR。这允许使用一个专用磁盘 并有助于避免记录和其它IO操作之间io的竞争。 默认为空 写入DataDir
SnapCount: cfg.snapCount, //提交的事务数来触发快照到磁盘 默认为10000
MaxSnapFiles: cfg.maxSnapFiles, //快照文件保留最大数量(0为无限制)默认值:5 windows为:0
MaxWALFiles: cfg.maxWalFiles, //wal文件保留最大数量(0为无限制)默认值:5 windows为:0
InitialPeerURLsMap: urlsmap, //其他etcd监听型号地址
InitialClusterToken: token, //通信认证用
DiscoveryURL: cfg.durl, //动态发现协议的url
DiscoveryProxy: cfg.dproxy, //动态发现协议(HTTP代理)
NewCluster: cfg.isNewCluster(), //是否为新建集群
ForceNewCluster: cfg.forceNewCluster, //--???--
PeerTLSInfo: cfg.peerTLSInfo, //加密文本传输协议基本信息
TickMs: cfg.TickMs, //心跳间隔的时间(毫秒)。
ElectionTicks: cfg.electionTicks(), //时间(毫秒)选举超时
AutoCompactionRetention: cfg.autoCompactionRetention,
StrictReconfigCheck: cfg.strictReconfigCheck, //严格配置检查 默认为false
EnablePprof: cfg.enablePprof, //启用通过HTTP服务器运行时分析数据。地址是在客户端的URL+“/debug/ pprof”
}
//启动服务
var s *etcdserver.EtcdServer
s, err = etcdserver.NewServer(srvcfg)
if err != nil {
return nil, err
}
s.Start()
osutil.RegisterInterruptHandler(s.Stop)
if cfg.corsInfo.String() != "" {
plog.Infof("cors = %s", cfg.corsInfo)
}
ch := http.Handler(&cors.CORSHandler{
Handler: etcdhttp.NewClientHandler(s, srvcfg.ReqTimeout()),
Info: cfg.corsInfo,
})
ph := etcdhttp.NewPeerHandler(s)
// Start the peer server in a goroutine
for _, l := range plns {
go func(l net.Listener) {
plog.Fatal(servePeerHTTP(l, ph))
}(l)
}
// Start a client server goroutine for each listen address
for _, sctx := range sctxs {
go func(sctx *serveCtx) {
// read timeout does not work with http close notify
// TODO: https://github.com/golang/go/issues/9524
plog.Fatal(serve(sctx, s, ctlscfg, ch))
}(sctx)
}
return s.StopNotify(), nil
}
示例8: NewEmbeddedEtcd
func NewEmbeddedEtcd(port int, dataDir string) (*EmbeddedEtcd, error) {
var err error
se := &EmbeddedEtcd{Port: port}
se.listener, err = net.Listen("tcp", fmt.Sprintf(":%d", port))
if err != nil {
return nil, err
}
se.Port = se.listener.Addr().(*net.TCPAddr).Port
clientURLs, err := interfaceURLs(se.Port)
if err != nil {
se.Stop()
return nil, err
}
peerURLs, err := types.NewURLs([]string{peerURL})
if err != nil {
se.Stop()
return nil, err
}
cfg := &etcdserver.ServerConfig{
Name: memberName,
ClientURLs: clientURLs,
PeerURLs: peerURLs,
DataDir: dataDir,
InitialPeerURLsMap: types.URLsMap{
memberName: peerURLs,
},
NewCluster: true,
TickMs: 100,
ElectionTicks: 10,
}
se.server, err = etcdserver.NewServer(cfg)
if err != nil {
return nil, err
}
se.server.Start()
osutil.RegisterInterruptHandler(se.server.Stop)
go http.Serve(se.listener,
v2http.NewClientHandler(se.server, cfg.ReqTimeout()))
// Wait for etcd server to be ready
t := time.Now().Add(startTimeout)
etcdClient, err := etcd.New(etcd.Config{
Endpoints: []string{fmt.Sprintf("http://localhost:%d", port)},
Transport: etcd.DefaultTransport,
HeaderTimeoutPerRequest: time.Second,
})
if err != nil {
return nil, err
}
kapi := etcd.NewKeysAPI(etcdClient)
for {
if time.Now().After(t) {
return nil, errors.New("Failed to start etcd")
}
if _, err := kapi.Set(context.Background(), "/skydive", "", nil); err == nil {
break
}
time.Sleep(time.Second)
}
return se, nil
}
示例9: startEtcd
//.........这里部分代码省略.........
return nil, err
}
if fdLimit, err := runtimeutil.FDLimit(); err == nil {
if fdLimit <= reservedInternalFDNum {
plog.Fatalf("file descriptor limit[%d] of etcd process is too low, and should be set higher than %d to ensure internal usage", fdLimit, reservedInternalFDNum)
}
l = transport.LimitListener(l, int(fdLimit-reservedInternalFDNum))
}
// Do not wrap around this listener if TLS Info is set.
// HTTPS server expects TLS Conn created by TLSListener.
l, err = transport.NewKeepAliveListener(l, u.Scheme, cfg.clientTLSInfo)
if err != nil {
return nil, err
}
urlStr := u.String()
plog.Info("listening for client requests on ", urlStr)
defer func() {
if err != nil {
l.Close()
plog.Info("stopping listening for client requests on ", urlStr)
}
}()
clns = append(clns, l)
}
srvcfg := &etcdserver.ServerConfig{
Name: cfg.name,
ClientURLs: cfg.acurls,
PeerURLs: cfg.apurls,
DataDir: cfg.dir,
DedicatedWALDir: cfg.walDir,
SnapCount: cfg.snapCount,
MaxSnapFiles: cfg.maxSnapFiles,
MaxWALFiles: cfg.maxWalFiles,
InitialPeerURLsMap: urlsmap,
InitialClusterToken: token,
DiscoveryURL: cfg.durl,
DiscoveryProxy: cfg.dproxy,
NewCluster: cfg.isNewCluster(),
ForceNewCluster: cfg.forceNewCluster,
PeerTLSInfo: cfg.peerTLSInfo,
TickMs: cfg.TickMs,
ElectionTicks: cfg.electionTicks(),
V3demo: cfg.v3demo,
AutoCompactionRetention: cfg.autoCompactionRetention,
StrictReconfigCheck: cfg.strictReconfigCheck,
EnablePprof: cfg.enablePprof,
}
var s *etcdserver.EtcdServer
s, err = etcdserver.NewServer(srvcfg)
if err != nil {
return nil, err
}
s.Start()
osutil.RegisterInterruptHandler(s.Stop)
if cfg.corsInfo.String() != "" {
plog.Infof("cors = %s", cfg.corsInfo)
}
ch := &cors.CORSHandler{
Handler: etcdhttp.NewClientHandler(s, srvcfg.ReqTimeout()),
Info: cfg.corsInfo,
}
ph := etcdhttp.NewPeerHandler(s)
var grpcS *grpc.Server
if cfg.v3demo {
// set up v3 demo rpc
tls := &cfg.clientTLSInfo
if cfg.clientTLSInfo.Empty() {
tls = nil
}
grpcS, err = v3rpc.Server(s, tls)
if err != nil {
s.Stop()
<-s.StopNotify()
return nil, err
}
}
// Start the peer server in a goroutine
for _, l := range plns {
go func(l net.Listener) {
plog.Fatal(serve(l, nil, ph, 5*time.Minute))
}(l)
}
// Start a client server goroutine for each listen address
for _, l := range clns {
go func(l net.Listener) {
// read timeout does not work with http close notify
// TODO: https://github.com/golang/go/issues/9524
plog.Fatal(serve(l, grpcS, ch, 0))
}(l)
}
return s.StopNotify(), nil
}