func (l *Listener) run(errorSink daemon.ErrorSink) {
log.Debugf("Initialising state")
changes := make(chan data.ServiceChange)
l.store.WatchServices(nil, changes, errorSink,
store.QueryServiceOptions{WithInstances: true})
// Send initial state of each service
store.ForeachServiceInstance(l.store, func(name string, _ data.Service) error {
log.Debugf("Initialising state for service %s", name)
l.send(name)
return nil
}, nil)
for {
change := <-changes
if change.ServiceDeleted {
l.updates <- model.ServiceUpdate{
Service: model.Service{Name: change.Name},
Delete: true,
}
} else {
log.Debugf("Updating state for service %s", change.Name)
l.send(change.Name)
}
}
}
func testInstances(s store.Store, t *testing.T) {
require.Nil(t, s.AddService("svc", testService))
require.Nil(t, s.AddInstance("svc", "inst", testInst))
instances := func() map[string]data.Instance {
insts := make(map[string]data.Instance)
require.Nil(t, store.ForeachInstance(s, "svc", func(_, n string, inst data.Instance) error {
insts[n] = inst
return nil
}))
return insts
}
require.Equal(t, map[string]data.Instance{"inst": testInst}, instances())
serviceInstances := func() map[string]data.Instance {
insts := make(map[string]data.Instance)
require.Nil(t, store.ForeachServiceInstance(s, nil, func(sn string, in string, inst data.Instance) error {
insts[sn+" "+in] = inst
return nil
}))
return insts
}
require.Equal(t, map[string]data.Instance{"svc inst": testInst}, serviceInstances())
require.Nil(t, s.RemoveInstance("svc", "inst"))
require.Equal(t, map[string]data.Instance{}, instances())
require.Equal(t, map[string]data.Instance{}, serviceInstances())
}
func allInstances(st store.Store) []data.Instance {
res := make([]data.Instance, 0)
store.ForeachServiceInstance(st, nil, func(_, _ string, inst data.Instance) error {
res = append(res, inst)
return nil
})
return res
}