package configuration import ( "encoding/json" "reflect" "github.com/containous/traefik/log" "github.com/containous/traefik/provider" "github.com/containous/traefik/safe" "github.com/containous/traefik/types" ) type providerAggregator struct { providers []provider.Provider } // NewProviderAggregator return an aggregate of all the providers configured in GlobalConfiguration func NewProviderAggregator(gc *GlobalConfiguration) provider.Provider { provider := providerAggregator{} if gc.Docker != nil { provider.providers = append(provider.providers, gc.Docker) } if gc.Marathon != nil { provider.providers = append(provider.providers, gc.Marathon) } if gc.File != nil { provider.providers = append(provider.providers, gc.File) } if gc.Rest != nil { provider.providers = append(provider.providers, gc.Rest) } if gc.Consul != nil { provider.providers = append(provider.providers, gc.Consul) } if gc.ConsulCatalog != nil { provider.providers = append(provider.providers, gc.ConsulCatalog) } if gc.Etcd != nil { provider.providers = append(provider.providers, gc.Etcd) } if gc.Zookeeper != nil { provider.providers = append(provider.providers, gc.Zookeeper) } if gc.Boltdb != nil { provider.providers = append(provider.providers, gc.Boltdb) } if gc.Kubernetes != nil { provider.providers = append(provider.providers, gc.Kubernetes) } if gc.Mesos != nil { provider.providers = append(provider.providers, gc.Mesos) } if gc.Eureka != nil { provider.providers = append(provider.providers, gc.Eureka) } if gc.ECS != nil { provider.providers = append(provider.providers, gc.ECS) } if gc.Rancher != nil { provider.providers = append(provider.providers, gc.Rancher) } if gc.DynamoDB != nil { provider.providers = append(provider.providers, gc.DynamoDB) } if gc.ServiceFabric != nil { provider.providers = append(provider.providers, gc.ServiceFabric) } if len(provider.providers) == 1 { return provider.providers[0] } return provider } func (p providerAggregator) Provide(configurationChan chan<- types.ConfigMessage, pool *safe.Pool, constraints types.Constraints) error { for _, p := range p.providers { providerType := reflect.TypeOf(p) jsonConf, err := json.Marshal(p) if err != nil { log.Debugf("Unable to marshal provider conf %v with error: %v", providerType, err) } log.Infof("Starting provider %v %s", providerType, jsonConf) currentProvider := p safe.Go(func() { err := currentProvider.Provide(configurationChan, pool, constraints) if err != nil { log.Errorf("Error starting provider %v: %s", providerType, err) } }) } return nil }