add cmd/coredns

cmd/coredns/main.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	_ "github.com/coredns/coredns/core/plugin"
+	_ "github.com/jwhited/wgsd"
+
+	"github.com/coredns/coredns/core/dnsserver"
+	"github.com/coredns/coredns/coremain"
+)
+
+func init() {
+	// plugin ordering matters, insert wgsd with other "authoritative" plugins.
+	for i, name := range dnsserver.Directives {
+		if name == "file" {
+			dnsserver.Directives = append(dnsserver.Directives[:i],
+				append([]string{"wgsd"}, dnsserver.Directives[i:]...)...)
+			return
+		}
+	}
+	panic("file plugin not found in dnsserver.Directives")
+}
+
+func main() {
+	coremain.Run()
+}

go.mod

@@ -6,6 +6,5 @@ require (
 	github.com/caddyserver/caddy v1.0.5
 	github.com/coredns/coredns v1.6.9
 	github.com/miekg/dns v1.1.29
-	github.com/prometheus/common v0.9.1
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20200511024508-91d9787b944f
 )