// matchLocalFileAndUnit compares a file with a Unit
// Returns true if the contents of the file matches the unit one, false
// otherwise; and any error encountered.
func matchLocalFileAndUnit(file string, su *schema.Unit) (bool, error) {
result := false
a := schema.MapSchemaUnitOptionsToUnitFile(su.Options)
_, err := os.Stat(file)
if err == nil {
b, err := getUnitFromFile(file)
if err == nil {
result = unit.MatchUnitFiles(a, b)
}
}
return result, err
}
// matchLocalFileAndUnit compares a file with a Unit
// Returns true if the contents of the file matches the unit one, false
// otherwise; and any error encountered.
func matchLocalFileAndUnit(file string, su *schema.Unit) (bool, error) {
a := schema.MapSchemaUnitOptionsToUnitFile(su.Options)
_, err := os.Stat(file)
if err != nil {
return false, err
}
b, err := getUnitFromFile(file)
if err != nil {
return false, err
}
return unit.MatchUnitFiles(a, b), nil
}
func (ur *unitsResource) set(rw http.ResponseWriter, req *http.Request, item string) {
if err := validateContentType(req); err != nil {
sendError(rw, http.StatusUnsupportedMediaType, err)
return
}
var su schema.Unit
dec := json.NewDecoder(req.Body)
err := dec.Decode(&su)
if err != nil {
sendError(rw, http.StatusBadRequest, fmt.Errorf("unable to decode body: %v", err))
return
}
if su.Name == "" {
su.Name = item
}
if item != su.Name {
sendError(rw, http.StatusBadRequest, fmt.Errorf("name in URL %q differs from unit name in request body %q", item, su.Name))
return
}
if err := ValidateName(su.Name); err != nil {
sendError(rw, http.StatusBadRequest, err)
return
}
eu, err := ur.cAPI.Unit(su.Name)
if err != nil {
log.Errorf("Failed fetching Unit(%s) from Registry: %v", su.Name, err)
sendError(rw, http.StatusInternalServerError, nil)
return
}
newUnit := false
if eu == nil {
if len(su.Options) == 0 {
err := errors.New("unit does not exist and options field empty")
sendError(rw, http.StatusConflict, err)
return
} else if err := ValidateOptions(su.Options); err != nil {
sendError(rw, http.StatusBadRequest, err)
return
} else {
// New valid unit
newUnit = true
}
} else if eu.Name == su.Name && len(su.Options) > 0 {
// There is already a unit with the same name that
// was submitted before. Check their hashes, if they do
// not match then this is probably a new version which
// needs its own new unit entry.
// In the other case if su.Options == 0 then probably we
// don't want to update the Unit options nor its content
// but only set the target job state of the
// corresponding unit, in this case just ignore.
a := schema.MapSchemaUnitOptionsToUnitFile(su.Options)
b := schema.MapSchemaUnitOptionsToUnitFile(eu.Options)
newUnit = !unit.MatchUnitFiles(a, b)
}
if newUnit {
ur.create(rw, su.Name, &su)
return
}
if len(su.DesiredState) == 0 {
err := errors.New("must provide DesiredState to update existing unit")
sendError(rw, http.StatusConflict, err)
return
}
un := unit.NewUnitNameInfo(su.Name)
if un.IsTemplate() && job.JobState(su.DesiredState) != job.JobStateInactive {
err := fmt.Errorf("cannot activate template %q", su.Name)
sendError(rw, http.StatusBadRequest, err)
return
}
ur.update(rw, su.Name, su.DesiredState)
}