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* global: move to context Move from golang.org/x/net/context to std lib's context. Change done with: for i in $(grep -l '/context' **/*.go); do sed -e 's|golang.org/x/net/context|context|' -i $i; echo $i; done for i in **/*.go; do goimports -w $i; done * drop from dns.pb.go as well
76 lines
1.7 KiB
Go
76 lines
1.7 KiB
Go
package vars
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import (
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"time"
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"github.com/coredns/coredns/plugin"
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"github.com/coredns/coredns/request"
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"context"
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"github.com/miekg/dns"
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)
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// Report reports the metrics data associcated with request.
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func Report(ctx context.Context, req request.Request, zone, rcode string, size int, start time.Time) {
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// Proto and Family.
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net := req.Proto()
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fam := "1"
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if req.Family() == 2 {
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fam = "2"
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}
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server := WithServer(ctx)
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typ := req.QType()
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RequestCount.WithLabelValues(server, zone, net, fam).Inc()
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RequestDuration.WithLabelValues(server, zone).Observe(time.Since(start).Seconds())
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if req.Do() {
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RequestDo.WithLabelValues(server, zone).Inc()
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}
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if _, known := monitorType[typ]; known {
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RequestType.WithLabelValues(server, zone, dns.Type(typ).String()).Inc()
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} else {
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RequestType.WithLabelValues(server, zone, other).Inc()
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}
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ResponseSize.WithLabelValues(server, zone, net).Observe(float64(size))
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RequestSize.WithLabelValues(server, zone, net).Observe(float64(req.Len()))
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ResponseRcode.WithLabelValues(server, zone, rcode).Inc()
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}
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// WithServer returns the current server handling the request.
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func WithServer(ctx context.Context) string {
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srv := ctx.Value(plugin.ServerCtx{})
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if srv == nil {
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return ""
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}
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return srv.(string)
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}
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var monitorType = map[uint16]bool{
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dns.TypeAAAA: true,
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dns.TypeA: true,
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dns.TypeCNAME: true,
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dns.TypeDNSKEY: true,
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dns.TypeDS: true,
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dns.TypeMX: true,
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dns.TypeNSEC3: true,
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dns.TypeNSEC: true,
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dns.TypeNS: true,
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dns.TypePTR: true,
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dns.TypeRRSIG: true,
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dns.TypeSOA: true,
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dns.TypeSRV: true,
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dns.TypeTXT: true,
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// Meta Qtypes
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dns.TypeIXFR: true,
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dns.TypeAXFR: true,
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dns.TypeANY: true,
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}
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const other = "other"
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