traefik/middlewares/chain/chain.go
2018-11-14 10:18:03 +01:00

30 lines
690 B
Go

package chain
import (
"context"
"net/http"
"github.com/containous/alice"
"github.com/containous/traefik/config"
"github.com/containous/traefik/middlewares"
)
const (
typeName = "Chain"
)
type chainBuilder interface {
BuildChain(ctx context.Context, middlewares []string) (*alice.Chain, error)
}
// New creates a chain middleware
func New(ctx context.Context, next http.Handler, config config.Chain, builder chainBuilder, name string) (http.Handler, error) {
middlewares.GetLogger(ctx, name, typeName).Debug("Creating middleware")
middlewareChain, err := builder.BuildChain(ctx, config.Middlewares)
if err != nil {
return nil, err
}
return middlewareChain.Then(next)
}