func grantServiceAccess(w http.ResponseWriter, r *http.Request, t auth.Token) (err error) {
	serviceName := r.URL.Query().Get(":service")
	s, err := getService(serviceName)
	if err != nil {
		return err
	}
	allowed := permission.Check(t, permission.PermServiceUpdateGrantAccess,
		contextsForServiceProvision(&s)...,
	)
	if !allowed {
		return permission.ErrUnauthorized
	}
	teamName := r.URL.Query().Get(":team")
	team, err := servicemanager.Team.FindByName(teamName)
	if err != nil {
		if err == authTypes.ErrTeamNotFound {
			return &errors.HTTP{Code: http.StatusBadRequest, Message: "Team not found"}
		}
		return err
	}
	evt, err := event.New(&event.Opts{
		Target:     serviceTarget(s.Name),
		Kind:       permission.PermServiceUpdateGrantAccess,
		Owner:      t,
		CustomData: event.FormToCustomData(InputFields(r)),
		Allowed:    event.Allowed(permission.PermServiceReadEvents, contextsForServiceProvision(&s)...),
	})
	if err != nil {
		return err
	}
	defer func() { evt.Done(err) }()
	err = s.GrantAccess(team)
	if err != nil {
		return &errors.HTTP{Code: http.StatusConflict, Message: err.Error()}
	}
	return service.Update(s)
}
func grantServiceAccess(w http.ResponseWriter, r *http.Request, t auth.Token) (err error) {
	serviceName := r.URL.Query().Get(":service")
	s, err := getService(serviceName)
	if err != nil {
		return err
	}
	allowed := permission.Check(t, permission.PermServiceUpdateGrantAccess,
		contextsForServiceProvision(&s)...,
	)
	if !allowed {
		return permission.ErrUnauthorized
	}
	teamName := r.URL.Query().Get(":team")
	team, err := servicemanager.Team.FindByName(teamName)
	if err != nil {
		if err == authTypes.ErrTeamNotFound {
			return &errors.HTTP{Code: http.StatusBadRequest, Message: "Team not found"}
		}
		return err
	}
	evt, err := event.New(&event.Opts{
		Target:     serviceTarget(s.Name),
		Kind:       permission.PermServiceUpdateGrantAccess,
		Owner:      t,
		CustomData: event.FormToCustomData(InputFields(r)),
		Allowed:    event.Allowed(permission.PermServiceReadEvents, contextsForServiceProvision(&s)...),
	})
	if err != nil {
		return err
	}
	defer func() { evt.Done(err) }()
	err = s.GrantAccess(team)
	if err != nil {
		return &errors.HTTP{Code: http.StatusConflict, Message: err.Error()}
	}
	return service.Update(s)
}
// title: grant access to a service
// path: /services/{service}/team/{team}
// method: PUT
// responses:
//   200: Service updated
//   400: Team not found
//   401: Unauthorized
//   404: Service not found
//   409: Team already has access to this service