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
}
func mkdkr(x *cli.Context) {
defer func() {
if r := recover(); r != nil {
fatalf("error, likely due to missing server or misspelled anchor: %v", r)
}
}()
c := dial(x)
args := x.Args()
if len(args) != 1 {
fatalf("mkdkr needs an anchor argument")
}
w, _ := parseGlob(args[0])
buf, _ := ioutil.ReadAll(os.Stdin)
var run docker.Run
if err := json.Unmarshal(buf, &run); err != nil {
fatalf("command json not parsing: %v", err)
}
if x.Bool("scrub") {
run.Scrub = true
}
_, err := c.Walk(w).MakeDocker(run)
if err != nil {
fatalf("mkdkr error: %s", err)
}
}