cc7a364633
Add DNS-over-QUIC server Signed-off-by: jaehnri <joao.henri.cr@gmail.com> Signed-off-by: João Henri <joao.henri.cr@gmail.com>
89 lines
3.3 KiB
Go
89 lines
3.3 KiB
Go
package vars
|
|
|
|
import (
|
|
"github.com/coredns/coredns/plugin"
|
|
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/client_golang/prometheus/promauto"
|
|
)
|
|
|
|
// Request* and Response* are the prometheus counters and gauges we are using for exporting metrics.
|
|
var (
|
|
RequestCount = promauto.NewCounterVec(prometheus.CounterOpts{
|
|
Namespace: plugin.Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "requests_total",
|
|
Help: "Counter of DNS requests made per zone, protocol and family.",
|
|
}, []string{"server", "zone", "view", "proto", "family", "type"})
|
|
|
|
RequestDuration = promauto.NewHistogramVec(prometheus.HistogramOpts{
|
|
Namespace: plugin.Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "request_duration_seconds",
|
|
Buckets: plugin.TimeBuckets,
|
|
Help: "Histogram of the time (in seconds) each request took per zone.",
|
|
}, []string{"server", "zone", "view"})
|
|
|
|
RequestSize = promauto.NewHistogramVec(prometheus.HistogramOpts{
|
|
Namespace: plugin.Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "request_size_bytes",
|
|
Help: "Size of the EDNS0 UDP buffer in bytes (64K for TCP) per zone and protocol.",
|
|
Buckets: []float64{0, 100, 200, 300, 400, 511, 1023, 2047, 4095, 8291, 16e3, 32e3, 48e3, 64e3},
|
|
}, []string{"server", "zone", "view", "proto"})
|
|
|
|
RequestDo = promauto.NewCounterVec(prometheus.CounterOpts{
|
|
Namespace: plugin.Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "do_requests_total",
|
|
Help: "Counter of DNS requests with DO bit set per zone.",
|
|
}, []string{"server", "zone", "view"})
|
|
|
|
ResponseSize = promauto.NewHistogramVec(prometheus.HistogramOpts{
|
|
Namespace: plugin.Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "response_size_bytes",
|
|
Help: "Size of the returned response in bytes.",
|
|
Buckets: []float64{0, 100, 200, 300, 400, 511, 1023, 2047, 4095, 8291, 16e3, 32e3, 48e3, 64e3},
|
|
}, []string{"server", "zone", "view", "proto"})
|
|
|
|
ResponseRcode = promauto.NewCounterVec(prometheus.CounterOpts{
|
|
Namespace: plugin.Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "responses_total",
|
|
Help: "Counter of response status codes.",
|
|
}, []string{"server", "zone", "view", "rcode", "plugin"})
|
|
|
|
Panic = promauto.NewCounter(prometheus.CounterOpts{
|
|
Namespace: plugin.Namespace,
|
|
Name: "panics_total",
|
|
Help: "A metrics that counts the number of panics.",
|
|
})
|
|
|
|
PluginEnabled = promauto.NewGaugeVec(prometheus.GaugeOpts{
|
|
Namespace: plugin.Namespace,
|
|
Name: "plugin_enabled",
|
|
Help: "A metric that indicates whether a plugin is enabled on per server and zone basis.",
|
|
}, []string{"server", "zone", "view", "name"})
|
|
|
|
HTTPSResponsesCount = promauto.NewCounterVec(prometheus.CounterOpts{
|
|
Namespace: plugin.Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "https_responses_total",
|
|
Help: "Counter of DoH responses per server and http status code.",
|
|
}, []string{"server", "status"})
|
|
|
|
QUICResponsesCount = promauto.NewCounterVec(prometheus.CounterOpts{
|
|
Namespace: plugin.Namespace,
|
|
Subsystem: subsystem,
|
|
Name: "quic_responses_total",
|
|
Help: "Counter of DoQ responses per server and QUIC application code.",
|
|
}, []string{"server", "status"})
|
|
)
|
|
|
|
const (
|
|
subsystem = "dns"
|
|
|
|
// Dropped indicates we dropped the query before any handling. It has no closing dot, so it can not be a valid zone.
|
|
Dropped = "dropped"
|
|
)
|