// initProxySlow reads configuration from Etcd piece by piece. That may take // several minutes on large configurations! func initProxySlow(ng engine.Engine, p proxy.Proxy) error { hosts, err := ng.GetHosts() if err != nil { return err } for _, h := range hosts { if err := p.UpsertHost(h); err != nil { return err } } bs, err := ng.GetBackends() if err != nil { return err } for _, b := range bs { if err := p.UpsertBackend(b); err != nil { return err } bk := engine.BackendKey{Id: b.Id} servers, err := ng.GetServers(bk) if err != nil { return err } for _, s := range servers { if err := p.UpsertServer(bk, s); err != nil { return err } } } ls, err := ng.GetListeners() if err != nil { return err } for _, l := range ls { if err := p.UpsertListener(l); err != nil { return err } } fs, err := ng.GetFrontends() if err != nil { return err } if len(fs) == 0 { log.Warningf("No frontends found") } for _, f := range fs { if err := p.UpsertFrontend(f); err != nil { log.Warningf("Cannot register frontend \"%v\", invalid backend config", f.Id) continue } fk := engine.FrontendKey{Id: f.Id} ms, err := ng.GetMiddlewares(fk) if err != nil { return err } for _, m := range ms { if err := p.UpsertMiddleware(fk, m); err != nil { log.Warningf("Cannot register frontend \"%v\", invalid middleware config", f.Id) continue } } } return nil }