90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
// +build linux
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package server
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import (
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"fmt"
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"net"
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"net/http"
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/engine"
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"github.com/docker/docker/pkg/systemd"
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)
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// NewServer sets up the required Server and does protocol specific checking.
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func NewServer(proto, addr string, conf *ServerConfig, eng *engine.Engine) (Server, error) {
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var (
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err error
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l net.Listener
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r = createRouter(
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eng,
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conf.Logging,
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conf.EnableCors,
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conf.CorsHeaders,
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conf.Version,
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)
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)
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switch proto {
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case "fd":
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ls, err := systemd.ListenFD(addr)
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if err != nil {
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return nil, err
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}
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chErrors := make(chan error, len(ls))
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// We don't want to start serving on these sockets until the
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// daemon is initialized and installed. Otherwise required handlers
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// won't be ready.
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<-activationLock
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// Since ListenFD will return one or more sockets we have
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// to create a go func to spawn off multiple serves
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for i := range ls {
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listener := ls[i]
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go func() {
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httpSrv := http.Server{Handler: r}
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chErrors <- httpSrv.Serve(listener)
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}()
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}
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for i := 0; i < len(ls); i++ {
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if err := <-chErrors; err != nil {
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return nil, err
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}
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}
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return nil, nil
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case "tcp":
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if !conf.TlsVerify {
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logrus.Warn("/!\\ DON'T BIND ON ANY IP ADDRESS WITHOUT setting -tlsverify IF YOU DON'T KNOW WHAT YOU'RE DOING /!\\")
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}
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if l, err = NewTcpSocket(addr, tlsConfigFromServerConfig(conf)); err != nil {
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return nil, err
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}
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if err := allocateDaemonPort(addr); err != nil {
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return nil, err
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}
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case "unix":
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if l, err = NewUnixSocket(addr, conf.SocketGroup); err != nil {
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return nil, err
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}
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default:
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return nil, fmt.Errorf("Invalid protocol format: %q", proto)
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}
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return &HttpServer{
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&http.Server{
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Addr: addr,
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Handler: r,
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},
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l,
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}, nil
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}
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func AcceptConnections() {
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// Tell the init daemon we are accepting requests
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go systemd.SdNotify("READY=1")
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// close the lock so the listeners start accepting connections
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select {
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case <-activationLock:
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default:
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close(activationLock)
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}
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}
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