// WatchActionNotifications returns a StringsWatcher for observing
// incoming action calls to a unit. See also state/watcher.go
// Unit.WatchActionNotifications(). This method is called from
// api/uniter/uniter.go WatchActionNotifications().
func (u *UniterAPIV3) WatchActionNotifications(args params.Entities) (params.StringsWatchResults, error) {
tagToActionReceiver := common.TagToActionReceiverFn(u.st.FindEntity)
watchOne := common.WatchOneActionReceiverNotifications(tagToActionReceiver, u.resources.Register)
canAccess, err := u.accessUnit()
if err != nil {
return params.StringsWatchResults{}, err
}
return common.WatchActionNotifications(args, canAccess, watchOne), nil
}
func (s *actionsSuite) TestWatchActionNotifications(c *gc.C) {
args := entities("invalid-actionreceiver", "machine-1", "machine-2", "machine-3")
canAccess := makeCanAccess(map[names.Tag]bool{
names.NewMachineTag("2"): true,
names.NewMachineTag("3"): true,
})
expectedStringsWatchResult := params.StringsWatchResult{
StringsWatcherId: "orosu",
}
watchOne := makeWatchOne(map[names.Tag]params.StringsWatchResult{
names.NewMachineTag("3"): expectedStringsWatchResult,
})
results := common.WatchActionNotifications(args, canAccess, watchOne)
c.Assert(results, jc.DeepEquals, params.StringsWatchResults{
[]params.StringsWatchResult{
{Error: common.ServerError(errors.New(`invalid actionreceiver tag "invalid-actionreceiver"`))},
{Error: common.ServerError(common.ErrPerm)},
{Error: common.ServerError(errors.New("pax"))},
{StringsWatcherId: "orosu"},
},
})
}
// WatchActionNotifications returns a StringsWatcher for observing
// incoming action calls to a machine.
func (f *Facade) WatchActionNotifications(args params.Entities) params.StringsWatchResults {
tagToActionReceiver := f.backend.TagToActionReceiverFn(f.backend.FindEntity)
watchOne := common.WatchOneActionReceiverNotifications(tagToActionReceiver, f.resources.Register)
return common.WatchActionNotifications(args, f.accessMachine, watchOne)
}