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-rw-r--r--middleware/autopath/autopath.go21
-rw-r--r--middleware/autopath/autopath_test.go1
-rw-r--r--middleware/autopath/setup.go23
3 files changed, 29 insertions, 16 deletions
diff --git a/middleware/autopath/autopath.go b/middleware/autopath/autopath.go
index ecbdf0464..d859e5642 100644
--- a/middleware/autopath/autopath.go
+++ b/middleware/autopath/autopath.go
@@ -64,6 +64,11 @@ func (a *AutoPath) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Ms
return dns.RcodeServerFailure, middleware.Error(a.Name(), errors.New("can only deal with ClassINET"))
}
+ zone := middleware.Zones(a.Zones).Matches(state.Name())
+ if zone == "" {
+ return middleware.NextOrFailure(a.Name(), a.Next, ctx, w, r)
+ }
+
// Check if autopath should be done, searchFunc takes precedence over the local configured
// search path.
var err error
@@ -83,7 +88,7 @@ func (a *AutoPath) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Ms
origQName := state.QName()
// Establish base name of the query. I.e what was originally asked.
- base, err := dnsutil.TrimZone(state.QName(), a.search[0]) // TOD(miek): we loose the original case of the query here.
+ base, err := dnsutil.TrimZone(state.QName(), a.search[0]) // TODO(miek): we loose the original case of the query here.
if err != nil {
return dns.RcodeServerFailure, err
}
@@ -91,15 +96,21 @@ func (a *AutoPath) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Ms
firstReply := new(dns.Msg)
firstRcode := 0
var firstErr error
+
+ ar := r.Copy()
// Walk the search path and see if we can get a non-nxdomain - if they all fail we return the first
// query we've done and return that as-is. This means the client will do the search path walk again...
for i, s := range searchpath {
-
newQName := base + "." + s
- r.Question[0].Name = newQName
+ ar.Question[0].Name = newQName
nw := NewNonWriter(w)
- rcode, err := middleware.NextOrFailure(a.Name(), a.Next, ctx, nw, r)
+ rcode, err := middleware.NextOrFailure(a.Name(), a.Next, ctx, nw, ar)
+ if err != nil {
+ // Return now - not sure if this is the best. We should also check if the write has happened.
+ return rcode, err
+
+ }
if i == 0 {
firstReply = nw.Msg
firstRcode = rcode
@@ -139,4 +150,4 @@ func (a *AutoPath) FirstInSearchPath(name string) bool {
return false
}
-func (a AutoPath) Name() string { return "autopath" }
+func (a *AutoPath) Name() string { return "autopath" }
diff --git a/middleware/autopath/autopath_test.go b/middleware/autopath/autopath_test.go
index a536ee1fd..719389446 100644
--- a/middleware/autopath/autopath_test.go
+++ b/middleware/autopath/autopath_test.go
@@ -31,6 +31,7 @@ var autopathTestCases = []test.Case{
func newTestAutoPath() *AutoPath {
ap := new(AutoPath)
+ ap.Zones = []string{"."}
ap.Next = nextHandler(map[string]int{
"b.example.org.": dns.RcodeNameError,
"b.com.": dns.RcodeSuccess,
diff --git a/middleware/autopath/setup.go b/middleware/autopath/setup.go
index cbaf007fc..804b61855 100644
--- a/middleware/autopath/setup.go
+++ b/middleware/autopath/setup.go
@@ -5,7 +5,6 @@ import (
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/middleware"
- "github.com/coredns/coredns/middleware/kubernetes"
"github.com/mholt/caddy"
"github.com/miekg/dns"
@@ -20,7 +19,7 @@ func init() {
}
func setup(c *caddy.Controller) error {
- ap, mw, err := autoPathParse(c)
+ ap, _, err := autoPathParse(c)
if err != nil {
return middleware.Error("autopath", err)
}
@@ -28,13 +27,15 @@ func setup(c *caddy.Controller) error {
c.OnStartup(func() error {
// Do this in OnStartup, so all middleware has been initialized.
// TODO(miek): fabricate test to proof this is not thread safe.
- m := dnsserver.GetMiddleware(c, mw)
- switch mw {
- case "kubernetes":
- if k, ok := m.(kubernetes.Kubernetes); ok {
- ap.searchFunc = k.AutoPath
+ // TODO(miek): disable this for now: See https://github.com/coredns/coredns/issues/881
+ /*
+ switch mw {
+ case "kubernetes":
+ if k, ok := m.(kubernetes.Kubernetes); ok {
+ ap.searchFunc = k.AutoPath
+ }
}
- }
+ */
return nil
})
@@ -51,13 +52,13 @@ var allowedMiddleware = map[string]bool{
}
func autoPathParse(c *caddy.Controller) (*AutoPath, string, error) {
- ap := new(AutoPath)
+ ap := &AutoPath{}
mw := ""
for c.Next() {
zoneAndresolv := c.RemainingArgs()
if len(zoneAndresolv) < 1 {
- return nil, "", fmt.Errorf("no resolv-conf specified")
+ return ap, "", fmt.Errorf("no resolv-conf specified")
}
resolv := zoneAndresolv[len(zoneAndresolv)-1]
if resolv[0] == '@' {
@@ -69,7 +70,7 @@ func autoPathParse(c *caddy.Controller) (*AutoPath, string, error) {
// assume file on disk
rc, err := dns.ClientConfigFromFile(resolv)
if err != nil {
- return nil, "", fmt.Errorf("failed to parse %q: %v", resolv, err)
+ return ap, "", fmt.Errorf("failed to parse %q: %v", resolv, err)
}
ap.search = rc.Search
middleware.Zones(ap.search).Normalize()