coredns/plugin/any/setup.go

package any

import (
	"github.com/coredns/coredns/core/dnsserver"
	"github.com/coredns/coredns/plugin"

	"github.com/caddyserver/caddy"
)

func init() {
	caddy.RegisterPlugin("any", caddy.Plugin{
		ServerType: "dns",
		Action:     setup,
	})
}

func setup(c *caddy.Controller) error {
	a := Any{}

	dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.Handler {
		a.Next = next
		return a
	})

	return nil
}