/* Copyright */ package main import ( "encoding/json" fmtlog "log" "os" "strings" "time" log "github.com/Sirupsen/logrus" "github.com/containous/traefik/middlewares" "github.com/containous/traefik/provider" "github.com/spf13/cobra" "github.com/spf13/viper" "net/http" ) var traefikCmd = &cobra.Command{ Use: "traefik", Short: "traefik, a modern reverse proxy", Long: `traefik is a modern HTTP reverse proxy and load balancer made to deploy microservices with ease. Complete documentation is available at http://traefik.io`, Run: func(cmd *cobra.Command, args []string) { run() }, } var versionCmd = &cobra.Command{ Use: "version", Short: "Print version", Long: `Print version`, Run: func(cmd *cobra.Command, args []string) { fmtlog.Println(Version + " built on the " + BuildDate) os.Exit(0) }, } var arguments = struct { GlobalConfiguration web bool file bool docker bool dockerTLS bool marathon bool consul bool consulTLS bool consulCatalog bool zookeeper bool etcd bool etcdTLS bool boltdb bool }{ GlobalConfiguration{ EntryPoints: make(EntryPoints), Docker: &provider.Docker{ TLS: &provider.DockerTLS{}, }, File: &provider.File{}, Web: &WebProvider{}, Marathon: &provider.Marathon{}, Consul: &provider.Consul{ Kv: provider.Kv{ TLS: &provider.KvTLS{}, }, }, ConsulCatalog: &provider.ConsulCatalog{}, Zookeeper: &provider.Zookepper{}, Etcd: &provider.Etcd{ Kv: provider.Kv{ TLS: &provider.KvTLS{}, }, }, Boltdb: &provider.BoltDb{}, }, false, false, false, false, false, false, false, false, false, false, false, false, } func init() { traefikCmd.AddCommand(versionCmd) traefikCmd.PersistentFlags().StringP("configFile", "c", "", "Configuration file to use (TOML, JSON, YAML, HCL).") traefikCmd.PersistentFlags().StringP("graceTimeOut", "g", "10", "Timeout in seconds. Duration to give active requests a chance to finish during hot-reloads") traefikCmd.PersistentFlags().String("accessLogsFile", "log/access.log", "Access logs file") traefikCmd.PersistentFlags().String("traefikLogsFile", "log/traefik.log", "Traefik logs file") traefikCmd.PersistentFlags().Var(&arguments.EntryPoints, "entryPoints", "Entrypoints definition using format: --entryPoints='Name:http Address::8000 Redirect.EntryPoint:https' --entryPoints='Name:https Address::4442 TLS:tests/traefik.crt,tests/traefik.key'") traefikCmd.PersistentFlags().Var(&arguments.DefaultEntryPoints, "defaultEntryPoints", "Entrypoints to be used by frontends that do not specify any entrypoint") traefikCmd.PersistentFlags().StringP("logLevel", "l", "ERROR", "Log level") traefikCmd.PersistentFlags().DurationVar(&arguments.ProvidersThrottleDuration, "providersThrottleDuration", time.Duration(2*time.Second), "Backends throttle duration: minimum duration between 2 events from providers before applying a new configuration. It avoids unnecessary reloads if multiples events are sent in a short amount of time.") traefikCmd.PersistentFlags().Int("maxIdleConnsPerHost", 0, "If non-zero, controls the maximum idle (keep-alive) to keep per-host. If zero, DefaultMaxIdleConnsPerHost is used") traefikCmd.PersistentFlags().BoolVar(&arguments.web, "web", false, "Enable Web backend") traefikCmd.PersistentFlags().StringVar(&arguments.Web.Address, "web.address", ":8080", "Web administration port") traefikCmd.PersistentFlags().StringVar(&arguments.Web.CertFile, "web.cerFile", "", "SSL certificate") traefikCmd.PersistentFlags().StringVar(&arguments.Web.KeyFile, "web.keyFile", "", "SSL certificate") traefikCmd.PersistentFlags().BoolVar(&arguments.Web.ReadOnly, "web.readOnly", false, "Enable read only API") traefikCmd.PersistentFlags().BoolVar(&arguments.file, "file", false, "Enable File backend") traefikCmd.PersistentFlags().BoolVar(&arguments.File.Watch, "file.watch", true, "Watch provider") traefikCmd.PersistentFlags().StringVar(&arguments.File.Filename, "file.filename", "", "Override default configuration template. For advanced users :)") traefikCmd.PersistentFlags().BoolVar(&arguments.docker, "docker", false, "Enable Docker backend") traefikCmd.PersistentFlags().BoolVar(&arguments.Docker.Watch, "docker.watch", true, "Watch provider") traefikCmd.PersistentFlags().StringVar(&arguments.Docker.Filename, "docker.filename", "", "Override default configuration template. For advanced users :)") traefikCmd.PersistentFlags().StringVar(&arguments.Docker.Endpoint, "docker.endpoint", "unix:///var/run/docker.sock", "Docker server endpoint. Can be a tcp or a unix socket endpoint") traefikCmd.PersistentFlags().StringVar(&arguments.Docker.Domain, "docker.domain", "", "Default domain used") traefikCmd.PersistentFlags().BoolVar(&arguments.dockerTLS, "docker.tls", false, "Enable Docker TLS support") traefikCmd.PersistentFlags().StringVar(&arguments.Docker.TLS.CA, "docker.tls.ca", "", "TLS CA") traefikCmd.PersistentFlags().StringVar(&arguments.Docker.TLS.Cert, "docker.tls.cert", "", "TLS cert") traefikCmd.PersistentFlags().StringVar(&arguments.Docker.TLS.Key, "docker.tls.key", "", "TLS key") traefikCmd.PersistentFlags().BoolVar(&arguments.Docker.TLS.InsecureSkipVerify, "docker.tls.insecureSkipVerify", false, "TLS insecure skip verify") traefikCmd.PersistentFlags().BoolVar(&arguments.marathon, "marathon", false, "Enable Marathon backend") traefikCmd.PersistentFlags().BoolVar(&arguments.Marathon.Watch, "marathon.watch", true, "Watch provider") traefikCmd.PersistentFlags().StringVar(&arguments.Marathon.Filename, "marathon.filename", "", "Override default configuration template. For advanced users :)") traefikCmd.PersistentFlags().StringVar(&arguments.Marathon.Endpoint, "marathon.endpoint", "http://127.0.0.1:8080", "Marathon server endpoint. You can also specify multiple endpoint for Marathon") traefikCmd.PersistentFlags().StringVar(&arguments.Marathon.Domain, "marathon.domain", "", "Default domain used") traefikCmd.PersistentFlags().BoolVar(&arguments.Marathon.ExposedByDefault, "marathon.exposedByDefault", true, "Expose Marathon apps by default") traefikCmd.PersistentFlags().BoolVar(&arguments.consul, "consul", false, "Enable Consul backend") traefikCmd.PersistentFlags().BoolVar(&arguments.Consul.Watch, "consul.watch", true, "Watch provider") traefikCmd.PersistentFlags().StringVar(&arguments.Consul.Filename, "consul.filename", "", "Override default configuration template. For advanced users :)") traefikCmd.PersistentFlags().StringVar(&arguments.Consul.Endpoint, "consul.endpoint", "127.0.0.1:8500", "Comma sepparated Consul server endpoints") traefikCmd.PersistentFlags().StringVar(&arguments.Consul.Prefix, "consul.prefix", "/traefik", "Prefix used for KV store") traefikCmd.PersistentFlags().BoolVar(&arguments.consulTLS, "consul.tls", false, "Enable Consul TLS support") traefikCmd.PersistentFlags().StringVar(&arguments.Consul.TLS.CA, "consul.tls.ca", "", "TLS CA") traefikCmd.PersistentFlags().StringVar(&arguments.Consul.TLS.Cert, "consul.tls.cert", "", "TLS cert") traefikCmd.PersistentFlags().StringVar(&arguments.Consul.TLS.Key, "consul.tls.key", "", "TLS key") traefikCmd.PersistentFlags().BoolVar(&arguments.Consul.TLS.InsecureSkipVerify, "consul.tls.insecureSkipVerify", false, "TLS insecure skip verify") traefikCmd.PersistentFlags().BoolVar(&arguments.consulCatalog, "consulCatalog", false, "Enable Consul catalog backend") traefikCmd.PersistentFlags().StringVar(&arguments.ConsulCatalog.Domain, "consulCatalog.domain", "", "Default domain used") traefikCmd.PersistentFlags().StringVar(&arguments.ConsulCatalog.Endpoint, "consulCatalog.endpoint", "127.0.0.1:8500", "Consul server endpoint") traefikCmd.PersistentFlags().StringVar(&arguments.ConsulCatalog.Prefix, "consulCatalog.prefix", "traefik", "Consul catalog tag prefix") traefikCmd.PersistentFlags().BoolVar(&arguments.zookeeper, "zookeeper", false, "Enable Zookeeper backend") traefikCmd.PersistentFlags().BoolVar(&arguments.Zookeeper.Watch, "zookeeper.watch", true, "Watch provider") traefikCmd.PersistentFlags().StringVar(&arguments.Zookeeper.Filename, "zookeeper.filename", "", "Override default configuration template. For advanced users :)") traefikCmd.PersistentFlags().StringVar(&arguments.Zookeeper.Endpoint, "zookeeper.endpoint", "127.0.0.1:2181", "Comma sepparated Zookeeper server endpoints") traefikCmd.PersistentFlags().StringVar(&arguments.Zookeeper.Prefix, "zookeeper.prefix", "/traefik", "Prefix used for KV store") traefikCmd.PersistentFlags().BoolVar(&arguments.etcd, "etcd", false, "Enable Etcd backend") traefikCmd.PersistentFlags().BoolVar(&arguments.Etcd.Watch, "etcd.watch", true, "Watch provider") traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.Filename, "etcd.filename", "", "Override default configuration template. For advanced users :)") traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.Endpoint, "etcd.endpoint", "127.0.0.1:4001", "Comma sepparated Etcd server endpoints") traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.Prefix, "etcd.prefix", "/traefik", "Prefix used for KV store") traefikCmd.PersistentFlags().BoolVar(&arguments.etcdTLS, "etcd.tls", false, "Enable Etcd TLS support") traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.TLS.CA, "etcd.tls.ca", "", "TLS CA") traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.TLS.Cert, "etcd.tls.cert", "", "TLS cert") traefikCmd.PersistentFlags().StringVar(&arguments.Etcd.TLS.Key, "etcd.tls.key", "", "TLS key") traefikCmd.PersistentFlags().BoolVar(&arguments.Etcd.TLS.InsecureSkipVerify, "etcd.tls.insecureSkipVerify", false, "TLS insecure skip verify") traefikCmd.PersistentFlags().BoolVar(&arguments.boltdb, "boltdb", false, "Enable Boltdb backend") traefikCmd.PersistentFlags().BoolVar(&arguments.Boltdb.Watch, "boltdb.watch", true, "Watch provider") traefikCmd.PersistentFlags().StringVar(&arguments.Boltdb.Filename, "boltdb.filename", "", "Override default configuration template. For advanced users :)") traefikCmd.PersistentFlags().StringVar(&arguments.Boltdb.Endpoint, "boltdb.endpoint", "127.0.0.1:4001", "Boltdb server endpoint") traefikCmd.PersistentFlags().StringVar(&arguments.Boltdb.Prefix, "boltdb.prefix", "/traefik", "Prefix used for KV store") _ = viper.BindPFlag("configFile", traefikCmd.PersistentFlags().Lookup("configFile")) _ = viper.BindPFlag("graceTimeOut", traefikCmd.PersistentFlags().Lookup("graceTimeOut")) _ = viper.BindPFlag("logLevel", traefikCmd.PersistentFlags().Lookup("logLevel")) // TODO: wait for this issue to be corrected: https://github.com/spf13/viper/issues/105 _ = viper.BindPFlag("providersThrottleDuration", traefikCmd.PersistentFlags().Lookup("providersThrottleDuration")) _ = viper.BindPFlag("maxIdleConnsPerHost", traefikCmd.PersistentFlags().Lookup("maxIdleConnsPerHost")) viper.SetDefault("providersThrottleDuration", time.Duration(2*time.Second)) viper.SetDefault("logLevel", "ERROR") viper.SetDefault("MaxIdleConnsPerHost", 200) } func run() { fmtlog.SetFlags(fmtlog.Lshortfile | fmtlog.LstdFlags) // load global configuration globalConfiguration := LoadConfiguration() http.DefaultTransport.(*http.Transport).MaxIdleConnsPerHost = globalConfiguration.MaxIdleConnsPerHost loggerMiddleware := middlewares.NewLogger(globalConfiguration.AccessLogsFile) defer loggerMiddleware.Close() // logging level, err := log.ParseLevel(strings.ToLower(globalConfiguration.LogLevel)) if err != nil { log.Fatal("Error getting level", err) } log.SetLevel(level) if len(globalConfiguration.TraefikLogsFile) > 0 { fi, err := os.OpenFile(globalConfiguration.TraefikLogsFile, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666) defer func() { if err := fi.Close(); err != nil { log.Error("Error closinf file", err) } }() if err != nil { log.Fatal("Error opening file", err) } else { log.SetOutput(fi) log.SetFormatter(&log.TextFormatter{DisableColors: true, FullTimestamp: true, DisableSorting: true}) } } else { log.SetFormatter(&log.TextFormatter{FullTimestamp: true, DisableSorting: true}) } jsonConf, _ := json.Marshal(globalConfiguration) log.Debugf("Global configuration loaded %s", string(jsonConf)) server := NewServer(*globalConfiguration) server.Start() defer server.Close() log.Info("Shutting down") }