func (w *Worker) Run() error {
uid := uuid.NewRandom()
copy(w.Id[:], uid)
w.lastjob = time.Now()
w.FileCache = map[string][]byte{}
wd, err := os.Getwd()
if err != nil {
return err
}
os.Setenv("PATH", os.Getenv("PATH")+":"+wd)
if w.Wait == 0 {
w.Wait = 10 * time.Second
}
for {
wait, err := w.dojob()
if err != nil {
log.Print(err)
}
if w.MaxIdle > 0 && time.Now().Sub(w.lastjob) > w.MaxIdle {
log.Printf("no jobs received for %v, shutting down", w.MaxIdle)
return nil
}
if wait {
<-time.After(w.Wait)
}
}
}
func (j *Job) setup() error {
var err error
if j.wd == "" {
j.wd, err = os.Getwd()
if err != nil {
return err
}
}
j.dir = uuid.NewRandom().String()
err = os.MkdirAll(j.dir, 0755)
if err != nil {
return err
}
if err := os.Chdir(j.dir); err != nil {
return err
}
for _, f := range j.Infiles {
err := ioutil.WriteFile(f.Name, f.Data, 0755)
if err != nil {
return err
}
}
return nil
}
func NewJob() *Job {
uid := uuid.NewRandom()
var id [16]byte
copy(id[:], uid)
return &Job{
Id: id,
Timeout: DefaultTimeout,
}
}
func (w *goodWorker) Run(kill chan struct{}) error {
uid := uuid.NewRandom()
copy(w.Id[:], uid)
for {
select {
case <-kill:
return nil
default:
err := w.dojob()
if err != nil {
log.Print(err)
}
<-time.After(workerpoll)
}
}
}
func (s *Scenario) Run(stdout, stderr io.Writer) (dbfile string, simid []byte, err error) {
// generate cyclus input file and run cyclus
ui := uuid.NewRandom()
cycin := ui.String() + ".cyclus.xml"
cycout := ui.String() + ".sqlite"
data, err := s.GenCyclusInfile()
if err != nil {
return "", nil, err
}
err = ioutil.WriteFile(cycin, data, 0644)
if err != nil {
return "", nil, err
}
cmd := exec.Command("cyclus", cycin, "-o", cycout)
cmd.Stderr = os.Stderr
cmd.Stdout = os.Stdout
if stdout != nil {
cmd.Stdout = stdout
}
if stderr != nil {
cmd.Stderr = stderr
}
if err := cmd.Run(); err != nil {
return "", nil, err
}
// post process cyclus output db
db, err := sql.Open("sqlite3", cycout)
if err != nil {
return "", nil, err
}
defer db.Close()
simids, err := post.Process(db)
if err != nil {
return "", nil, err
}
return cycout, simids[0], nil
}