diff options
Diffstat (limited to 'middleware')
-rw-r--r-- | middleware/cache/setup.go | 2 | ||||
-rw-r--r-- | middleware/dnssec/responsewriter.go | 12 | ||||
-rw-r--r-- | middleware/file/reload_test.go | 2 | ||||
-rw-r--r-- | middleware/file/secondary.go | 1 | ||||
-rw-r--r-- | middleware/file/tree/less.go | 1 | ||||
-rw-r--r-- | middleware/kubernetes/setup.go | 4 | ||||
-rw-r--r-- | middleware/kubernetes/subzone_test.go | 2 | ||||
-rw-r--r-- | middleware/metrics/metrics.go | 2 | ||||
-rw-r--r-- | middleware/metrics/setup.go | 4 | ||||
-rw-r--r-- | middleware/normalize.go | 10 | ||||
-rw-r--r-- | middleware/pkg/rcode/rcode.go | 2 | ||||
-rw-r--r-- | middleware/pkg/response/classify.go | 16 | ||||
-rw-r--r-- | middleware/pkg/storage/fs.go | 2 | ||||
-rw-r--r-- | middleware/pkg/storage/fs_test.go | 2 | ||||
-rw-r--r-- | middleware/pprof/pprof.go | 7 | ||||
-rw-r--r-- | middleware/secondary/setup.go | 2 | ||||
-rw-r--r-- | middleware/test/helpers.go | 4 |
17 files changed, 42 insertions, 33 deletions
diff --git a/middleware/cache/setup.go b/middleware/cache/setup.go index 05811a276..c0b09024b 100644 --- a/middleware/cache/setup.go +++ b/middleware/cache/setup.go @@ -56,7 +56,7 @@ func cacheParse(c *caddy.Controller) (int, []string, error) { } } - for i, _ := range origins { + for i := range origins { origins[i] = middleware.Host(origins[i]).Normalize() } return ttl, origins, nil diff --git a/middleware/dnssec/responsewriter.go b/middleware/dnssec/responsewriter.go index 0032fa7ba..95378c091 100644 --- a/middleware/dnssec/responsewriter.go +++ b/middleware/dnssec/responsewriter.go @@ -10,16 +10,16 @@ import ( "github.com/miekg/dns" ) -type DnssecResponseWriter struct { +type ResponseWriter struct { dns.ResponseWriter d Dnssec } -func NewDnssecResponseWriter(w dns.ResponseWriter, d Dnssec) *DnssecResponseWriter { - return &DnssecResponseWriter{w, d} +func NewDnssecResponseWriter(w dns.ResponseWriter, d Dnssec) *ResponseWriter { + return &ResponseWriter{w, d} } -func (d *DnssecResponseWriter) WriteMsg(res *dns.Msg) error { +func (d *ResponseWriter) WriteMsg(res *dns.Msg) error { // By definition we should sign anything that comes back, we should still figure out for // which zone it should be. state := request.Request{W: d.ResponseWriter, Req: res} @@ -38,13 +38,13 @@ func (d *DnssecResponseWriter) WriteMsg(res *dns.Msg) error { return d.ResponseWriter.WriteMsg(res) } -func (d *DnssecResponseWriter) Write(buf []byte) (int, error) { +func (d *ResponseWriter) Write(buf []byte) (int, error) { log.Printf("[WARNING] Dnssec called with Write: not signing reply") n, err := d.ResponseWriter.Write(buf) return n, err } -func (d *DnssecResponseWriter) Hijack() { +func (d *ResponseWriter) Hijack() { d.ResponseWriter.Hijack() return } diff --git a/middleware/file/reload_test.go b/middleware/file/reload_test.go index 1ba9f4bcf..02d789c66 100644 --- a/middleware/file/reload_test.go +++ b/middleware/file/reload_test.go @@ -39,7 +39,7 @@ func TestZoneReload(t *testing.T) { t.Fatalf("expected 5 RRs, got %d", len(z.All())) } if err := ioutil.WriteFile(fileName, []byte(reloadZone2Test), 0644); err != nil { - t.Fatalf("failed to write new zone data", err) + t.Fatalf("failed to write new zone data: %s", err) } // Could still be racy, but we need to wait a bit for the event to be seen time.Sleep(1 * time.Second) diff --git a/middleware/file/secondary.go b/middleware/file/secondary.go index 9493a7fdd..ef44e124f 100644 --- a/middleware/file/secondary.go +++ b/middleware/file/secondary.go @@ -176,7 +176,6 @@ Restart: } } } - return nil } // The maximum difference between two serial numbers. If the difference between diff --git a/middleware/file/tree/less.go b/middleware/file/tree/less.go index 32d87b683..595dc9213 100644 --- a/middleware/file/tree/less.go +++ b/middleware/file/tree/less.go @@ -39,7 +39,6 @@ func less(a, b string) int { i++ aj, bj = ai, bi } - return 0 } func doDDD(b []byte) { diff --git a/middleware/kubernetes/setup.go b/middleware/kubernetes/setup.go index f976ba75b..dfa8c7ce4 100644 --- a/middleware/kubernetes/setup.go +++ b/middleware/kubernetes/setup.go @@ -107,7 +107,7 @@ func kubernetesParse(c *caddy.Controller) (Kubernetes, error) { if len(args) != 0 { k8s.ResyncPeriod, err = time.ParseDuration(args[0]) if err != nil { - err = errors.New(fmt.Sprintf("Unable to parse resync duration value. Value provided was '%v'. Example valid values: '15s', '5m', '1h'. Error was: %v", args[0], err)) + err = fmt.Errorf("Unable to parse resync duration value. Value provided was '%v'. Example valid values: '15s', '5m', '1h'. Error was: %v", args[0], err) return Kubernetes{}, err } } else { @@ -119,7 +119,7 @@ func kubernetesParse(c *caddy.Controller) (Kubernetes, error) { labelSelectorString := strings.Join(args, " ") k8s.LabelSelector, err = unversionedapi.ParseToLabelSelector(labelSelectorString) if err != nil { - err = errors.New(fmt.Sprintf("Unable to parse label selector. Value provided was '%v'. Error was: %v", labelSelectorString, err)) + err = fmt.Errorf("Unable to parse label selector. Value provided was '%v'. Error was: %v", labelSelectorString, err) return Kubernetes{}, err } } else { diff --git a/middleware/kubernetes/subzone_test.go b/middleware/kubernetes/subzone_test.go index c48e66c12..b1a9541b3 100644 --- a/middleware/kubernetes/subzone_test.go +++ b/middleware/kubernetes/subzone_test.go @@ -21,7 +21,7 @@ var examplesSubzoneConflict = map[string]bool{ "": false, } -func TestsubzoneConflict(t *testing.T) { +func TestSubzoneConflict(t *testing.T) { for z, expected := range examplesSubzoneConflict { actual, conflicts := subzoneConflict(confZones, z) diff --git a/middleware/metrics/metrics.go b/middleware/metrics/metrics.go index 3a72bc3bb..a9d09c202 100644 --- a/middleware/metrics/metrics.go +++ b/middleware/metrics/metrics.go @@ -30,7 +30,7 @@ type Metrics struct { Addr string ln net.Listener mux *http.ServeMux - Once sync.Once + Once *sync.Once ZoneNames []string } diff --git a/middleware/metrics/setup.go b/middleware/metrics/setup.go index eee886f00..077a809d5 100644 --- a/middleware/metrics/setup.go +++ b/middleware/metrics/setup.go @@ -47,7 +47,7 @@ func prometheusParse(c *caddy.Controller) (Metrics, error) { } met.ZoneNames = make([]string, len(c.ServerBlockKeys)) copy(met.ZoneNames, c.ServerBlockKeys) - for i, _ := range met.ZoneNames { + for i := range met.ZoneNames { met.ZoneNames[i] = middleware.Host(met.ZoneNames[i]).Normalize() } args := c.RemainingArgs() @@ -79,6 +79,6 @@ func prometheusParse(c *caddy.Controller) (Metrics, error) { return met, err } -var metricsOnce sync.Once +var metricsOnce *sync.Once const addr = "localhost:9153" diff --git a/middleware/normalize.go b/middleware/normalize.go index e28ed96ea..2d153ba78 100644 --- a/middleware/normalize.go +++ b/middleware/normalize.go @@ -7,6 +7,7 @@ import ( "github.com/miekg/dns" ) +// Zones respresents a lists of zone names. type Zones []string // Matches checks is qname is a subdomain of any of the zones in z. The match @@ -27,7 +28,7 @@ func (z Zones) Matches(qname string) string { // Normalize fully qualifies all zones in z. func (z Zones) Normalize() { - for i, _ := range z { + for i := range z { z[i] = Name(z[i]).Normalize() } } @@ -47,10 +48,11 @@ func (n Name) Matches(child string) bool { // Normalize lowercases and makes n fully qualified. func (n Name) Normalize() string { return strings.ToLower(dns.Fqdn(string(n))) } -// Host represents a host from the Corefile, may contain port. type ( - Host string - Addr string + // Host represents a host from the Corefile, may contain port. + Host string // Host represents a host from the Corefile, may contain port. + // Addr resprents an address in the Corefile. + Addr string // Addr resprents an address in the Corefile. ) // Normalize will return the host portion of host, stripping diff --git a/middleware/pkg/rcode/rcode.go b/middleware/pkg/rcode/rcode.go index 006440071..e871a96ca 100644 --- a/middleware/pkg/rcode/rcode.go +++ b/middleware/pkg/rcode/rcode.go @@ -6,6 +6,8 @@ import ( "github.com/miekg/dns" ) +// ToString convert the rcode to the offical DNS string, or to "RCODE"+value if the RCODE +// value is unknown. func ToString(rcode int) string { if str, ok := dns.RcodeToString[rcode]; ok { return str diff --git a/middleware/pkg/response/classify.go b/middleware/pkg/response/classify.go index adbaa6526..65055dff4 100644 --- a/middleware/pkg/response/classify.go +++ b/middleware/pkg/response/classify.go @@ -2,14 +2,20 @@ package response import "github.com/miekg/dns" +// Type is the type of the message type Type int const ( - Success Type = iota - NameError // NXDOMAIN in header, SOA in auth. - NoData // NOERROR in header, SOA in auth. - Delegation // NOERROR in header, NS in auth, optionally fluff in additional (not checked). - OtherError // Don't cache these. + // Success indicates a positive reply + Success Type = iota + // NameError is a NXDOMAIN in header, SOA in auth. + NameError + // NoData indicated name found, but not the type: NOERROR in header, SOA in auth. + NoData + // Delegation is a msg with a pointer to another nameserver: NOERROR in header, NS in auth, optionally fluff in additional (not checked). + Delegation + // OtherError indicated any other error: don't cache these. + OtherError ) // Classify classifies a message, it returns the Type. diff --git a/middleware/pkg/storage/fs.go b/middleware/pkg/storage/fs.go index 3ee14b7ed..4cbf526ae 100644 --- a/middleware/pkg/storage/fs.go +++ b/middleware/pkg/storage/fs.go @@ -25,7 +25,7 @@ type dir http.Dir // // CoreDir will default to "$HOME/.coredns" on Unix, but it's location can be overriden with the COREDNSPATH // environment variable. -var CoreDir dir = dir(fsPath()) +var CoreDir = dir(fsPath()) func (d dir) Zone(z string) dir { if z != "." && z[len(z)-2] == '.' { diff --git a/middleware/pkg/storage/fs_test.go b/middleware/pkg/storage/fs_test.go index f7e8ccf9d..5692b580e 100644 --- a/middleware/pkg/storage/fs_test.go +++ b/middleware/pkg/storage/fs_test.go @@ -7,7 +7,7 @@ import ( "testing" ) -func TestfsPath(t *testing.T) { +func TestFsPath(t *testing.T) { if actual := fsPath(); !strings.HasSuffix(actual, ".coredns") { t.Errorf("Expected path to be a .coredns folder, got: %v", actual) } diff --git a/middleware/pprof/pprof.go b/middleware/pprof/pprof.go index f538b3091..cbef104d3 100644 --- a/middleware/pprof/pprof.go +++ b/middleware/pprof/pprof.go @@ -13,13 +13,14 @@ type Handler struct { } func (h *Handler) Startup() error { - if ln, err := net.Listen("tcp", addr); err != nil { + ln, err := net.Listen("tcp", addr) + if err != nil { log.Printf("[ERROR] Failed to start pprof handler: %s", err) return err - } else { - h.ln = ln } + h.ln = ln + h.mux = http.NewServeMux() h.mux.HandleFunc(path+"/", pp.Index) h.mux.HandleFunc(path+"/cmdline", pp.Cmdline) diff --git a/middleware/secondary/setup.go b/middleware/secondary/setup.go index d0367094d..eb112faf9 100644 --- a/middleware/secondary/setup.go +++ b/middleware/secondary/setup.go @@ -56,7 +56,7 @@ func secondaryParse(c *caddy.Controller) (file.Zones, error) { if len(args) > 0 { origins = args } - for i, _ := range origins { + for i := range origins { origins[i] = middleware.Host(origins[i]).Normalize() z[origins[i]] = file.NewZone(origins[i], "stdin") names = append(names, origins[i]) diff --git a/middleware/test/helpers.go b/middleware/test/helpers.go index 8ed27261f..37d046cb3 100644 --- a/middleware/test/helpers.go +++ b/middleware/test/helpers.go @@ -149,12 +149,12 @@ func Section(t *testing.T, tc Case, sect Sect, rr []dns.RR) bool { return false } if x.SignerName != section[i].(*dns.RRSIG).SignerName { - t.Errorf("rr %d should have a SignerName of %d, but has %d", i, section[i].(*dns.RRSIG).SignerName, x.SignerName) + t.Errorf("rr %d should have a SignerName of %s, but has %s", i, section[i].(*dns.RRSIG).SignerName, x.SignerName) return false } case *dns.NSEC: if x.NextDomain != section[i].(*dns.NSEC).NextDomain { - t.Errorf("rr %d should have a NextDomain of %d, but has %d", i, section[i].(*dns.NSEC).NextDomain, x.NextDomain) + t.Errorf("rr %d should have a NextDomain of %s, but has %s", i, section[i].(*dns.NSEC).NextDomain, x.NextDomain) return false } // TypeBitMap |