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feat: query logging #37

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merged 2 commits into from
Sep 18, 2023
+12 −0
Merged

feat: query logging #37

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815ca66
feat: query logging
wolf31o2 Sep 18, 2023
0eb121a
fix: remove fmt to appease golangci-lint
wolf31o2 Sep 18, 2023
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2 changes: 2 additions & 0 deletions internal/config/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ type Config struct {
type LoggingConfig struct {
Healthchecks bool `yaml:"healthchecks" envconfig:"LOGGING_HEALTHCHECKS"`
Level string `yaml:"level" envconfig:"LOGGING_LEVEL"`
QueryLog bool `yaml:"queryLog" envconfig:"LOGGING_QUERY_LOG"`
}

type DnsConfig struct {
Expand Down Expand Up @@ -76,6 +77,7 @@ var globalConfig = &Config{
Logging: LoggingConfig{
Level: "info",
Healthchecks: false,
QueryLog: true,
},
Dns: DnsConfig{
ListenAddress: "",
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10 changes: 10 additions & 0 deletions internal/dns/dns.go
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,16 @@ func handleQuery(w dns.ResponseWriter, r *dns.Msg) {
cfg := config.GetConfig()
m := new(dns.Msg)

if cfg.Logging.QueryLog {
for _, q := range r.Question {
logger.Infof("query: name: %s, type: %s, class: %s",
q.Name,
dns.Type(q.Qtype).String(),
dns.Class(q.Qclass).String(),
)
}
}

// Split query name into labels and lookup each domain and parent until we get a hit
queryLabels := dns.SplitDomainName(r.Question[0].Name)
for startLabelIdx := 0; startLabelIdx < len(queryLabels); startLabelIdx++ {
Expand Down
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