Merge pull request #790 from cybozu-go/supress-dns-log

Supress DNS query logs

Author: chez-shanpu

bin/env

@@ -1,5 +1,5 @@
 PROJECT=neco-test
-ZONE=asia-northeast2-c
+ZONE=asia-northeast1-c
 SERVICE_ACCOUNT=neco-test@neco-test.iam.gserviceaccount.com
 MACHINE_TYPE=c2-standard-30
 DISK_TYPE=pd-ssd

op/clusterdns/clusterdns.go

@@ -17,7 +17,9 @@ var clusterDNSTemplate = template.Must(template.New("").Parse(`.:1053 {
     errors
     health
     ready
-    log
+    log . {combined} {
+        class denial error
+    }
     kubernetes {{ .Domain }} in-addr.arpa ip6.arpa {
       pods verified
 {{- if .Upstreams }}

op/nodedns/nodedns.go

@@ -28,7 +28,7 @@ server:
   logfile: ""
   use-syslog: no
   log-time-ascii: yes
-  log-queries: yes
+  log-queries: no
   log-replies: yes
   log-local-actions: yes
   log-servfail: yes