// circuit mkproc /X1234/hola/charlie << EOF
// { … }
// EOF
// TODO: Proc element disappears if command misspelled and error condition not obvious.
func mkproc(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("mkproc needs an anchor argument")
}
w, _ := parseGlob(args[0])
buf, _ := ioutil.ReadAll(os.Stdin)
var cmd client.Cmd
if err := json.Unmarshal(buf, &cmd); err != nil {
fatalf("command json not parsing: %v", err)
}
if x.Bool("scrub") {
cmd.Scrub = true
}
p, err := c.Walk(w).MakeProc(cmd)
if err != nil {
fatalf("mkproc error: %s", err)
}
ps := p.Peek()
if ps.Exit != nil {
fatalf("%v", ps.Exit)
}
}
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)
}
}
func server(c *cli.Context) {
println("CIRCUIT 2014 gocircuit.org")
var err error
if c.Bool("docker") {
cmd, err := docker.Init()
if err != nil {
log.Fatalf("cannot use docker: %v", err)
}
log.Printf("Enabling docker elements, using %s", cmd)
}
// parse arguments
var tcpaddr = parseAddr(c) // server bind address
var join n.Addr // join address of another circuit server
if c.IsSet("join") {
if join, err = n.ParseAddr(c.String("join")); err != nil {
log.Fatalf("join address does not parse (%s)", err)
}
}
var multicast = parseDiscover(c)
// server instance working directory
var varDir string
if !c.IsSet("var") {
varDir = path.Join(os.TempDir(), fmt.Sprintf("%s-%%W-P%04d", n.Scheme, os.Getpid()))
} else {
varDir = c.String("var")
}
// start circuit runtime
addr := load(tcpaddr, varDir, readkey(c))
// tissue + locus
kin, xkin, rip := tissue.NewKin()
xlocus := locus.NewLocus(kin, rip)
// joining
switch {
case join != nil:
kin.ReJoin(join)
case multicast != nil:
log.Printf("Using UDP multicast discovery on address %s", multicast.String())
go assemble.NewAssembler(addr, multicast).AssembleServer(
func(joinAddr n.Addr) {
kin.ReJoin(joinAddr)
},
)
default:
log.Println("Singleton server.")
}
circuit.Listen(tissue.ServiceName, xkin)
circuit.Listen(LocusName, xlocus)
<-(chan int)(nil)
}
// circuit ls /Q123/apps/charlie
// circuit ls /...
func ls(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 {
println("ls needs a glob argument")
os.Exit(1)
}
w, ellipses := parseGlob(args[0])
list(0, "/", c.Walk(w), ellipses, x.Bool("long"), x.Bool("depth"))
}
