func ExampleSetup(t *testing.T) {
// make a config var to hold some flags
var Config struct {
Value int `default:"20" usage:"this is some value"`
Time time.Duration `default:"10s" usage:"some duration"`
What string `default:"such a string" usage:"quite the string"`
}
// this creates flags with names
// prefix.value
// prefix.time
// prefix.what
utils.Setup("prefix", &Config)
// this loads the flags into config. flagfile automatically adds a flag
// named flagfile, which when specified will load the key/value pairs in
// that file as if they were specified on the command line.
flagfile.Load()
}
func main() {
flagfile.Load()
if *cgroupPath == "" || len(flag.Args()) == 0 {
fmt.Printf("usage: %s --cgroup <path> -- <subprocess> [args...]\n",
os.Args[0])
os.Exit(1)
}
panic(watch.NewWatcher(*cgroupPath).Watch(func(count int64) {
log.Printf("%d ooms detected, running %v %d times",
count, flag.Args(), count)
for i := int64(0); i < count; i++ {
cmd := exec.Command(flag.Arg(0), flag.Args()[1:]...)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err := cmd.Run()
if err != nil {
log.Printf("failed running %v: %s", flag.Args(), err)
}
}
}))
}