func MakeContainer(run ds.Run) (_ Container, err error) {
if dkr == "" {
return nil, errors.New("docker not enabled on this server")
}
ch := make(chan error, 1)
con := &container{
name: "via-circuit-" + lang.ChooseReceiverID().String()[1:],
exit: ch,
}
con.cmd = exec.Command(dkr, run.Arg(con.name)...)
con.cmd.Stdin, con.stdin = interruptible.BufferPipe(StdBufferLen)
con.stdout, con.cmd.Stdout = interruptible.BufferPipe(StdBufferLen)
con.stderr, con.cmd.Stderr = interruptible.BufferPipe(StdBufferLen)
if err = con.cmd.Start(); err != nil {
return nil, err
}
go func() {
ch <- con.cmd.Wait()
close(ch)
con.cmd.Stdout.(io.Closer).Close()
con.cmd.Stderr.(io.Closer).Close()
}()
runtime.SetFinalizer(con,
func(c *container) {
exec.Command(dkr, "rm", c.name).Run()
},
)
return con, nil
}
