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Add complete secondary support

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Respond to notifies and allow a secondary to follow the SOA parameters

to update a zone from a primary. Also sprinkle it with logging.



Also extend monitoring to include qtype in more metrics.
This commit is contained in:
Miek Gieben
2016-04-05 10:53:23 +01:00
parent 20e16491ec
commit c961acbb6e
8 changed files with 207 additions and 21 deletions
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6
middleware/prometheus/handler.go
View File

@@ -25,9 +25,9 @@ func (m *Metrics) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg
status, err := m.Next.ServeDNS(ctx, rw, r)
requestCount.WithLabelValues(zone, qtype).Inc()
requestDuration.WithLabelValues(zone).Observe(float64(time.Since(rw.Start()) / time.Second))
responseSize.WithLabelValues(zone).Observe(float64(rw.Size()))
responseRcode.WithLabelValues(zone, strconv.Itoa(rw.Rcode())).Inc()
requestDuration.WithLabelValues(zone, qtype).Observe(float64(time.Since(rw.Start()) / time.Second))
responseSize.WithLabelValues(zone, qtype).Observe(float64(rw.Size()))
responseRcode.WithLabelValues(zone, strconv.Itoa(rw.Rcode()), qtype).Inc()
return status, err
}

8
middleware/prometheus/metrics.go
View File

@@ -53,7 +53,7 @@ func define(subsystem string) {
Namespace: namespace,
Subsystem: subsystem,
Name: "request_count_total",
Help: "Counter of DNS requests made per zone and type.",
Help: "Counter of DNS requests made per zone and type and opcode.",
}, []string{"zone", "qtype"})
requestDuration = prometheus.NewHistogramVec(prometheus.HistogramOpts{
@@ -61,7 +61,7 @@ func define(subsystem string) {
Subsystem: subsystem,
Name: "request_duration_seconds",
Help: "Histogram of the time (in seconds) each request took.",
}, []string{"zone"})
}, []string{"zone", "qtype"})
responseSize = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: namespace,
@@ -69,12 +69,12 @@ func define(subsystem string) {
Name: "response_size_bytes",
Help: "Size of the returns response in bytes.",
Buckets: []float64{0, 100, 200, 300, 400, 511, 1023, 2047, 4095, 8291, 16e3, 32e3, 48e3, 64e3},
}, []string{"zone"})
}, []string{"zone", "qtype"})
responseRcode = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: namespace,
Subsystem: subsystem,
Name: "response_rcode_count_total",
Help: "Counter of response status codes.",
}, []string{"zone", "rcode"})
}, []string{"zone", "rcode", "qtype"})
}