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Add internal provider

Co-authored-by: Julien Salleyron <julien.salleyron@gmail.com>
This commit is contained in:
Ludovic Fernandez 2019-11-14 16:40:05 +01:00 committed by Traefiker Bot
parent 2ee2e29262
commit 424e2a9439
71 changed files with 2523 additions and 1469 deletions

View file

@ -3,7 +3,6 @@ package main
import (
"context"
"encoding/json"
"fmt"
stdlog "log"
"net/http"
"os"
@ -20,12 +19,17 @@ import (
"github.com/containous/traefik/v2/pkg/config/dynamic"
"github.com/containous/traefik/v2/pkg/config/static"
"github.com/containous/traefik/v2/pkg/log"
"github.com/containous/traefik/v2/pkg/metrics"
"github.com/containous/traefik/v2/pkg/middlewares/accesslog"
"github.com/containous/traefik/v2/pkg/provider/acme"
"github.com/containous/traefik/v2/pkg/provider/aggregator"
"github.com/containous/traefik/v2/pkg/provider/traefik"
"github.com/containous/traefik/v2/pkg/safe"
"github.com/containous/traefik/v2/pkg/server"
"github.com/containous/traefik/v2/pkg/server/router"
"github.com/containous/traefik/v2/pkg/server/middleware"
"github.com/containous/traefik/v2/pkg/server/service"
traefiktls "github.com/containous/traefik/v2/pkg/tls"
"github.com/containous/traefik/v2/pkg/types"
"github.com/containous/traefik/v2/pkg/version"
"github.com/coreos/go-systemd/daemon"
assetfs "github.com/elazarl/go-bindata-assetfs"
@ -77,7 +81,7 @@ func runCmd(staticConfiguration *static.Configuration) error {
http.DefaultTransport.(*http.Transport).Proxy = http.ProxyFromEnvironment
if err := roundrobin.SetDefaultWeight(0); err != nil {
log.WithoutContext().Errorf("Could not set roundrobin default weight: %v", err)
log.WithoutContext().Errorf("Could not set round robin default weight: %v", err)
}
staticConfiguration.SetEffectiveConfiguration()
@ -105,43 +109,11 @@ func runCmd(staticConfiguration *static.Configuration) error {
stats(staticConfiguration)
providerAggregator := aggregator.NewProviderAggregator(*staticConfiguration.Providers)
tlsManager := traefiktls.NewManager()
acmeProviders := initACMEProvider(staticConfiguration, &providerAggregator, tlsManager)
serverEntryPointsTCP := make(server.TCPEntryPoints)
for entryPointName, config := range staticConfiguration.EntryPoints {
ctx := log.With(context.Background(), log.Str(log.EntryPointName, entryPointName))
serverEntryPointsTCP[entryPointName], err = server.NewTCPEntryPoint(ctx, config)
if err != nil {
return fmt.Errorf("error while building entryPoint %s: %v", entryPointName, err)
}
serverEntryPointsTCP[entryPointName].RouteAppenderFactory = router.NewRouteAppenderFactory(*staticConfiguration, entryPointName, acmeProviders)
svr, err := setupServer(staticConfiguration)
if err != nil {
return err
}
svr := server.NewServer(*staticConfiguration, providerAggregator, serverEntryPointsTCP, tlsManager)
resolverNames := map[string]struct{}{}
for _, p := range acmeProviders {
resolverNames[p.ResolverName] = struct{}{}
svr.AddListener(p.ListenConfiguration)
}
svr.AddListener(func(config dynamic.Configuration) {
for rtName, rt := range config.HTTP.Routers {
if rt.TLS == nil || rt.TLS.CertResolver == "" {
continue
}
if _, ok := resolverNames[rt.TLS.CertResolver]; !ok {
log.WithoutContext().Errorf("the router %s uses a non-existent resolver: %s", rtName, rt.TLS.CertResolver)
}
}
})
ctx := cmd.ContextWithSignal(context.Background())
if staticConfiguration.Ping != nil {
@ -168,7 +140,7 @@ func runCmd(staticConfiguration *static.Configuration) error {
for range tick {
resp, errHealthCheck := healthcheck.Do(*staticConfiguration)
if resp != nil {
resp.Body.Close()
_ = resp.Body.Close()
}
if staticConfiguration.Ping == nil || errHealthCheck == nil {
@ -188,6 +160,94 @@ func runCmd(staticConfiguration *static.Configuration) error {
return nil
}
func setupServer(staticConfiguration *static.Configuration) (*server.Server, error) {
providerAggregator := aggregator.NewProviderAggregator(*staticConfiguration.Providers)
// adds internal provider
err := providerAggregator.AddProvider(traefik.New(*staticConfiguration))
if err != nil {
return nil, err
}
tlsManager := traefiktls.NewManager()
acmeProviders := initACMEProvider(staticConfiguration, &providerAggregator, tlsManager)
serverEntryPointsTCP, err := server.NewTCPEntryPoints(*staticConfiguration)
if err != nil {
return nil, err
}
ctx := context.Background()
routinesPool := safe.NewPool(ctx)
metricsRegistry := registerMetricClients(staticConfiguration.Metrics)
accessLog := setupAccessLog(staticConfiguration.AccessLog)
chainBuilder := middleware.NewChainBuilder(*staticConfiguration, metricsRegistry, accessLog)
managerFactory := service.NewManagerFactory(*staticConfiguration, routinesPool, metricsRegistry)
tcpRouterFactory := server.NewTCPRouterFactory(*staticConfiguration, managerFactory, tlsManager, chainBuilder)
watcher := server.NewConfigurationWatcher(routinesPool, providerAggregator, time.Duration(staticConfiguration.Providers.ProvidersThrottleDuration))
watcher.AddListener(func(conf dynamic.Configuration) {
ctx := context.Background()
tlsManager.UpdateConfigs(ctx, conf.TLS.Stores, conf.TLS.Options, conf.TLS.Certificates)
})
watcher.AddListener(func(_ dynamic.Configuration) {
metricsRegistry.ConfigReloadsCounter().Add(1)
metricsRegistry.LastConfigReloadSuccessGauge().Set(float64(time.Now().Unix()))
})
watcher.AddListener(switchRouter(tcpRouterFactory, acmeProviders, serverEntryPointsTCP))
watcher.AddListener(func(conf dynamic.Configuration) {
if metricsRegistry.IsEpEnabled() || metricsRegistry.IsSvcEnabled() {
var eps []string
for key := range serverEntryPointsTCP {
eps = append(eps, key)
}
metrics.OnConfigurationUpdate(conf, eps)
}
})
resolverNames := map[string]struct{}{}
for _, p := range acmeProviders {
resolverNames[p.ResolverName] = struct{}{}
watcher.AddListener(p.ListenConfiguration)
}
watcher.AddListener(func(config dynamic.Configuration) {
for rtName, rt := range config.HTTP.Routers {
if rt.TLS == nil || rt.TLS.CertResolver == "" {
continue
}
if _, ok := resolverNames[rt.TLS.CertResolver]; !ok {
log.WithoutContext().Errorf("the router %s uses a non-existent resolver: %s", rtName, rt.TLS.CertResolver)
}
}
})
return server.NewServer(routinesPool, serverEntryPointsTCP, watcher, chainBuilder, accessLog), nil
}
func switchRouter(tcpRouterFactory *server.TCPRouterFactory, acmeProviders []*acme.Provider, serverEntryPointsTCP server.TCPEntryPoints) func(conf dynamic.Configuration) {
return func(conf dynamic.Configuration) {
routers := tcpRouterFactory.CreateTCPRouters(conf)
for entryPointName, rt := range routers {
for _, p := range acmeProviders {
if p != nil && p.HTTPChallenge != nil && p.HTTPChallenge.EntryPoint == entryPointName {
rt.HTTPHandler(p.CreateHandler(rt.GetHTTPHandler()))
break
}
}
}
serverEntryPointsTCP.Switch(routers)
}
}
// initACMEProvider creates an acme provider from the ACME part of globalConfiguration
func initACMEProvider(c *static.Configuration, providerAggregator *aggregator.ProviderAggregator, tlsManager *traefiktls.Manager) []*acme.Provider {
challengeStore := acme.NewLocalChallengeStore()
@ -222,6 +282,60 @@ func initACMEProvider(c *static.Configuration, providerAggregator *aggregator.Pr
return resolvers
}
func registerMetricClients(metricsConfig *types.Metrics) metrics.Registry {
if metricsConfig == nil {
return metrics.NewVoidRegistry()
}
var registries []metrics.Registry
if metricsConfig.Prometheus != nil {
ctx := log.With(context.Background(), log.Str(log.MetricsProviderName, "prometheus"))
prometheusRegister := metrics.RegisterPrometheus(ctx, metricsConfig.Prometheus)
if prometheusRegister != nil {
registries = append(registries, prometheusRegister)
log.FromContext(ctx).Debug("Configured Prometheus metrics")
}
}
if metricsConfig.Datadog != nil {
ctx := log.With(context.Background(), log.Str(log.MetricsProviderName, "datadog"))
registries = append(registries, metrics.RegisterDatadog(ctx, metricsConfig.Datadog))
log.FromContext(ctx).Debugf("Configured Datadog metrics: pushing to %s once every %s",
metricsConfig.Datadog.Address, metricsConfig.Datadog.PushInterval)
}
if metricsConfig.StatsD != nil {
ctx := log.With(context.Background(), log.Str(log.MetricsProviderName, "statsd"))
registries = append(registries, metrics.RegisterStatsd(ctx, metricsConfig.StatsD))
log.FromContext(ctx).Debugf("Configured StatsD metrics: pushing to %s once every %s",
metricsConfig.StatsD.Address, metricsConfig.StatsD.PushInterval)
}
if metricsConfig.InfluxDB != nil {
ctx := log.With(context.Background(), log.Str(log.MetricsProviderName, "influxdb"))
registries = append(registries, metrics.RegisterInfluxDB(ctx, metricsConfig.InfluxDB))
log.FromContext(ctx).Debugf("Configured InfluxDB metrics: pushing to %s once every %s",
metricsConfig.InfluxDB.Address, metricsConfig.InfluxDB.PushInterval)
}
return metrics.NewMultiRegistry(registries)
}
func setupAccessLog(conf *types.AccessLog) *accesslog.Handler {
if conf == nil {
return nil
}
accessLoggerMiddleware, err := accesslog.NewHandler(conf)
if err != nil {
log.WithoutContext().Warnf("Unable to create access logger : %v", err)
return nil
}
return accessLoggerMiddleware
}
func configureLogging(staticConfiguration *static.Configuration) {
// configure default log flags
stdlog.SetFlags(stdlog.Lshortfile | stdlog.LstdFlags)