api/service.go
func serviceDelete(w http.ResponseWriter, r *http.Request, t auth.Token) (err error) {
	s, err := getService(r.URL.Query().Get(":name"))
	if err != nil {
		return err
	}
	allowed := permission.Check(t, permission.PermServiceDelete,
		contextsForServiceProvision(&s)...,
	)
	if !allowed {
		return permission.ErrUnauthorized
	}
	evt, err := event.New(&event.Opts{
		Target:     serviceTarget(s.Name),
		Kind:       permission.PermServiceDelete,
		Owner:      t,
		CustomData: event.FormToCustomData(InputFields(r)),
		Allowed:    event.Allowed(permission.PermServiceReadEvents, contextsForServiceProvision(&s)...),
	})
	if err != nil {
		return err
	}
	defer func() { evt.Done(err) }()
	instances, err := service.GetServiceInstancesByServices([]service.Service{s})
	if err != nil {
		return err
	}
	if len(instances) > 0 {
		msg := "This service cannot be removed because it has instances.\n"
		msg += "Please remove these instances before removing the service."
		return &errors.HTTP{Code: http.StatusForbidden, Message: msg}
	}
	return service.Delete(s)
}
func serviceDelete(w http.ResponseWriter, r *http.Request, t auth.Token) (err error) {
	s, err := getService(r.URL.Query().Get(":name"))
	if err != nil {
		return err
	}
	allowed := permission.Check(t, permission.PermServiceDelete,
		contextsForServiceProvision(&s)...,
	)
	if !allowed {
		return permission.ErrUnauthorized
	}
	evt, err := event.New(&event.Opts{
		Target:     serviceTarget(s.Name),
		Kind:       permission.PermServiceDelete,
		Owner:      t,
		CustomData: event.FormToCustomData(InputFields(r)),
		Allowed:    event.Allowed(permission.PermServiceReadEvents, contextsForServiceProvision(&s)...),
	})
	if err != nil {
		return err
	}
	defer func() { evt.Done(err) }()
	instances, err := service.GetServiceInstancesByServices([]service.Service{s})
	if err != nil {
		return err
	}
	if len(instances) > 0 {
		msg := "This service cannot be removed because it has instances.\n"
		msg += "Please remove these instances before removing the service."
		return &errors.HTTP{Code: http.StatusForbidden, Message: msg}
	}
	return service.Delete(s)
}
// title: service delete
// path: /services/{name}
// method: DELETE
// responses:
//   200: Service removed
//   401: Unauthorized
//   403: Forbidden (team is not the owner or service with instances)
//   404: Service not found