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sometimes answer can be empty, therefore question could be lost -- pass both to querylog

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This commit is contained in:
Eugene Bujak 2018-09-05 21:25:11 +03:00
parent 606bed9d20
commit e122d9138b
1 changed files with 19 additions and 17 deletions
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36
coredns_plugin/querylog.go
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@ -19,24 +19,26 @@ import (
var logBuffer = ring.Ring{}
type logEntry struct {
R *dns.Msg
Result dnsfilter.Result
Time time.Time
Elapsed time.Duration
IP string
Question *dns.Msg
Answer *dns.Msg
Result dnsfilter.Result
Time time.Time
Elapsed time.Duration
IP string
}
func init() {
logBuffer.SetCapacity(1000)
}
func logRequest(r *dns.Msg, result dnsfilter.Result, elapsed time.Duration, ip string) {
func logRequest(question *dns.Msg, answer *dns.Msg, result dnsfilter.Result, elapsed time.Duration, ip string) {
entry := logEntry{
R: r,
Result: result,
Time: time.Now(),
Elapsed: elapsed,
IP: ip,
Question: question,
Answer: answer,
Result: result,
Time: time.Now(),
Elapsed: elapsed,
IP: ip,
}
logBuffer.Enqueue(entry)
}
@ -57,21 +59,21 @@ func handler(w http.ResponseWriter, r *http.Request) {
"client": entry.IP,
}
question := map[string]interface{}{
"host": strings.ToLower(strings.TrimSuffix(entry.R.Question[0].Name, ".")),
"type": dns.Type(entry.R.Question[0].Qtype).String(),
"class": dns.Class(entry.R.Question[0].Qclass).String(),
"host": strings.ToLower(strings.TrimSuffix(entry.Question.Question[0].Name, ".")),
"type": dns.Type(entry.Question.Question[0].Qtype).String(),
"class": dns.Class(entry.Question.Question[0].Qclass).String(),
}
jsonentry["question"] = question
status, _ := response.Typify(entry.R, time.Now().UTC())
status, _ := response.Typify(entry.Answer, time.Now().UTC())
jsonentry["status"] = status.String()
if len(entry.Result.Rule) > 0 {
jsonentry["rule"] = entry.Result.Rule
}
if len(entry.R.Answer) > 0 {
if entry.Answer != nil && len(entry.Answer.Answer) > 0 {
var answers = []map[string]interface{}{}
for _, k := range entry.R.Answer {
for _, k := range entry.Answer.Answer {
header := k.Header()
answer := map[string]interface{}{
"type": dns.TypeToString[header.Rrtype],