parse config

setup.go

@@ -6,8 +6,11 @@ import (
 	"github.com/coredns/caddy"
 	"github.com/coredns/coredns/core/dnsserver"
 	"github.com/coredns/coredns/plugin"
+	clog "github.com/coredns/coredns/plugin/pkg/log"
 )
 
+var log = clog.NewWithPlugin("overide")
+
 func init() {
 	plugin.Register("override", setup)
 }
@@ -31,10 +34,25 @@ func setup(c *caddy.Controller) error {
 func parseRules(c *caddy.Controller) ([]Rule, error) {
 	var rules []Rule
 
-	rules = append(rules, Rule{
-		Search:   net.ParseIP("45.9.63.244"),
-		Override: net.ParseIP("10.0.0.1"),
-	})
+	for c.Next() {
+		for c.NextBlock() {
+			searchIP := net.ParseIP(c.Val())
+			if searchIP == nil {
+				return nil, c.Errf("invalid search IP: %s", c.Val())
+			}
+
+			if !c.NextArg() {
+				return nil, c.ArgErr()
+			}
+
+			overrideIP := net.ParseIP(c.Val())
+			if overrideIP == nil {
+				return nil, c.Errf("invalid override IP: %s", c.Val())
+			}
+
+			rules = append(rules, Rule{Search: searchIP, Override: overrideIP})
+		}
+	}
 
 	return rules, nil
 }