traefik/pkg/server/routerfactory.go
2022-03-21 10:42:08 +01:00

99 lines
3.3 KiB
Go

package server
import (
"context"
"github.com/traefik/traefik/v2/pkg/config/runtime"
"github.com/traefik/traefik/v2/pkg/config/static"
"github.com/traefik/traefik/v2/pkg/log"
"github.com/traefik/traefik/v2/pkg/metrics"
"github.com/traefik/traefik/v2/pkg/server/middleware"
middlewaretcp "github.com/traefik/traefik/v2/pkg/server/middleware/tcp"
"github.com/traefik/traefik/v2/pkg/server/router"
routertcp "github.com/traefik/traefik/v2/pkg/server/router/tcp"
routerudp "github.com/traefik/traefik/v2/pkg/server/router/udp"
"github.com/traefik/traefik/v2/pkg/server/service"
"github.com/traefik/traefik/v2/pkg/server/service/tcp"
"github.com/traefik/traefik/v2/pkg/server/service/udp"
tcpCore "github.com/traefik/traefik/v2/pkg/tcp"
"github.com/traefik/traefik/v2/pkg/tls"
udpCore "github.com/traefik/traefik/v2/pkg/udp"
)
// RouterFactory the factory of TCP/UDP routers.
type RouterFactory struct {
entryPointsTCP []string
entryPointsUDP []string
managerFactory *service.ManagerFactory
metricsRegistry metrics.Registry
pluginBuilder middleware.PluginsBuilder
chainBuilder *middleware.ChainBuilder
tlsManager *tls.Manager
}
// NewRouterFactory creates a new RouterFactory.
func NewRouterFactory(staticConfiguration static.Configuration, managerFactory *service.ManagerFactory, tlsManager *tls.Manager,
chainBuilder *middleware.ChainBuilder, pluginBuilder middleware.PluginsBuilder, metricsRegistry metrics.Registry,
) *RouterFactory {
var entryPointsTCP, entryPointsUDP []string
for name, cfg := range staticConfiguration.EntryPoints {
protocol, err := cfg.GetProtocol()
if err != nil {
// Should never happen because Traefik should not start if protocol is invalid.
log.WithoutContext().Errorf("Invalid protocol: %v", err)
}
if protocol == "udp" {
entryPointsUDP = append(entryPointsUDP, name)
} else {
entryPointsTCP = append(entryPointsTCP, name)
}
}
return &RouterFactory{
entryPointsTCP: entryPointsTCP,
entryPointsUDP: entryPointsUDP,
managerFactory: managerFactory,
metricsRegistry: metricsRegistry,
tlsManager: tlsManager,
chainBuilder: chainBuilder,
pluginBuilder: pluginBuilder,
}
}
// CreateRouters creates new TCPRouters and UDPRouters.
func (f *RouterFactory) CreateRouters(rtConf *runtime.Configuration) (map[string]*tcpCore.Router, map[string]udpCore.Handler) {
ctx := context.Background()
// HTTP
serviceManager := f.managerFactory.Build(rtConf)
middlewaresBuilder := middleware.NewBuilder(rtConf.Middlewares, serviceManager, f.pluginBuilder)
routerManager := router.NewManager(rtConf, serviceManager, middlewaresBuilder, f.chainBuilder, f.metricsRegistry)
handlersNonTLS := routerManager.BuildHandlers(ctx, f.entryPointsTCP, false)
handlersTLS := routerManager.BuildHandlers(ctx, f.entryPointsTCP, true)
serviceManager.LaunchHealthCheck()
// TCP
svcTCPManager := tcp.NewManager(rtConf)
middlewaresTCPBuilder := middlewaretcp.NewBuilder(rtConf.TCPMiddlewares)
rtTCPManager := routertcp.NewManager(rtConf, svcTCPManager, middlewaresTCPBuilder, handlersNonTLS, handlersTLS, f.tlsManager)
routersTCP := rtTCPManager.BuildHandlers(ctx, f.entryPointsTCP)
// UDP
svcUDPManager := udp.NewManager(rtConf)
rtUDPManager := routerudp.NewManager(rtConf, svcUDPManager)
routersUDP := rtUDPManager.BuildHandlers(ctx, f.entryPointsUDP)
rtConf.PopulateUsedBy()
return routersTCP, routersUDP
}