func NewDockerCli(in io.ReadCloser, out, err io.Writer, keyFile string, proto, addr string, tlsConfig *tls.Config) *DockerCli {
var (
inFd uintptr
outFd uintptr
isTerminalIn = false
isTerminalOut = false
scheme = "http"
)
if tlsConfig != nil {
scheme = "https"
}
if in != nil {
inFd, isTerminalIn = term.GetFdInfo(in)
}
if out != nil {
outFd, isTerminalOut = term.GetFdInfo(out)
}
if err == nil {
err = out
}
// The transport is created here for reuse during the client session
tr := &http.Transport{
TLSClientConfig: tlsConfig,
}
// Why 32? See issue 8035
timeout := 32 * time.Second
if proto == "unix" {
// no need in compressing for local communications
tr.DisableCompression = true
tr.Dial = func(_, _ string) (net.Conn, error) {
return net.DialTimeout(proto, addr, timeout)
}
} else {
tr.Proxy = http.ProxyFromEnvironment
tr.Dial = (&net.Dialer{Timeout: timeout}).Dial
}
return &DockerCli{
proto: proto,
addr: addr,
in: in,
out: out,
err: err,
keyFile: keyFile,
inFd: inFd,
outFd: outFd,
isTerminalIn: isTerminalIn,
isTerminalOut: isTerminalOut,
tlsConfig: tlsConfig,
scheme: scheme,
transport: tr,
}
}
func DockerPullPrinter(out io.Writer) io.Writer {
rd, wr := io.Pipe()
termOut, isTerm := term.GetFdInfo(out)
go jsonmessage.DisplayJSONMessagesStream(rd, out, termOut, isTerm)
return wr
}