func FormationSet(rw http.ResponseWriter, r *http.Request) error {
vars := mux.Vars(r)
app := vars["app"]
process := vars["process"]
count := GetForm(r, "count")
memory := GetForm(r, "memory")
_, err := models.GetApp(app)
if awsError(err) == "ValidationError" {
return RenderNotFound(rw, fmt.Sprintf("no such app: %s", app))
}
err = models.SetFormation(app, process, count, memory)
if ae, ok := err.(awserr.Error); ok {
if ae.Code() == "ValidationError" {
switch {
case strings.Index(ae.Error(), "No updates are to be performed") > -1:
return fmt.Errorf("no updates are to be performed: %s", app)
case strings.Index(ae.Error(), "can not be updated") > -1:
return fmt.Errorf("app is already updating: %s", app)
}
}
}
if err != nil {
return err
}
return RenderSuccess(rw)
}
func FormationSet(rw http.ResponseWriter, r *http.Request) *httperr.Error {
vars := mux.Vars(r)
app := vars["app"]
process := vars["process"]
_, err := models.GetApp(app)
if awsError(err) == "ValidationError" {
return httperr.Errorf(404, "no such app: %s", app)
}
// initialize to invalid values that indicate no change
var count, memory int64 = -1, -1
// update based on form input
if cc := GetForm(r, "count"); cc != "" {
if c, err := strconv.ParseInt(cc, 10, 64); err != nil {
return httperr.Errorf(403, "count must be numeric")
} else {
count = c
}
}
if mm := GetForm(r, "memory"); mm != "" {
if m, err := strconv.ParseInt(mm, 10, 64); err != nil {
return httperr.Errorf(403, "memory must be numeric")
} else {
memory = m
}
}
err = models.SetFormation(app, process, count, memory)
if ae, ok := err.(awserr.Error); ok {
if ae.Code() == "ValidationError" {
switch {
case strings.Index(ae.Error(), "No updates are to be performed") > -1:
return httperr.Errorf(403, "no updates are to be performed: %s", app)
case strings.Index(ae.Error(), "can not be updated") > -1:
return httperr.Errorf(403, "app is already updating: %s", app)
}
}
}
if err != nil {
return httperr.Server(err)
}
return RenderSuccess(rw)
}