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Remove server addr from the context (#2722)

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* more

Signed-off-by: Miek Gieben <miek@miek.nl>

* Remove server addr from the context

This was added twice, just leave the server which also holds the
address.

Conflicts with #2719 but should be easy to fix.

Signed-off-by: Miek Gieben <miek@miek.nl>

* doesn't need server context

Signed-off-by: Miek Gieben <miek@miek.nl>
This commit is contained in:
Miek Gieben
2019-03-25 17:46:44 +00:00
committed by Yong Tang
parent 45624a0c0a
commit 9a8c301a42
6 changed files with 22 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
plugin/metrics/context.go
View File

@@ -3,7 +3,7 @@ package metrics
import (
"context"
"github.com/coredns/coredns/plugin/metrics/vars"
"github.com/coredns/coredns/core/dnsserver"
)
// WithServer returns the current server handling the request. It returns the
@@ -15,4 +15,10 @@ import (
// Basic usage with a metric:
//
// <metric>.WithLabelValues(metrics.WithServer(ctx), labels..).Add(1)
func WithServer(ctx context.Context) string { return vars.WithServer(ctx) }
func WithServer(ctx context.Context) string {
srv := ctx.Value(dnsserver.Key{})
if srv == nil {
return ""
}
return srv.(*dnsserver.Server).Addr
}

2
plugin/metrics/handler.go
View File

@@ -26,7 +26,7 @@ func (m *Metrics) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg
rw := dnstest.NewRecorder(w)
status, err := plugin.NextOrFailure(m.Name(), m.Next, ctx, rw, r)
vars.Report(ctx, state, zone, rcode.ToString(rw.Rcode), rw.Len, rw.Start)
vars.Report(WithServer(ctx), state, zone, rcode.ToString(rw.Rcode), rw.Len, rw.Start)
return status, err
}

15
plugin/metrics/vars/report.go
View File

@@ -1,17 +1,15 @@
package vars
import (
"context"
"time"
"github.com/coredns/coredns/plugin"
"github.com/coredns/coredns/request"
"github.com/miekg/dns"
)
// Report reports the metrics data associated with request.
func Report(ctx context.Context, req request.Request, zone, rcode string, size int, start time.Time) {
func Report(server string, req request.Request, zone, rcode string, size int, start time.Time) {
// Proto and Family.
net := req.Proto()
fam := "1"
@@ -19,8 +17,6 @@ func Report(ctx context.Context, req request.Request, zone, rcode string, size i
fam = "2"
}
server := WithServer(ctx)
typ := req.QType()
RequestCount.WithLabelValues(server, zone, net, fam).Inc()
RequestDuration.WithLabelValues(server, zone).Observe(time.Since(start).Seconds())
@@ -41,15 +37,6 @@ func Report(ctx context.Context, req request.Request, zone, rcode string, size i
ResponseRcode.WithLabelValues(server, zone, rcode).Inc()
}
// WithServer returns the current server handling the request.
func WithServer(ctx context.Context) string {
srv := ctx.Value(plugin.ServerCtx{})
if srv == nil {
return ""
}
return srv.(string)
}
var monitorType = map[uint16]struct{}{
dns.TypeAAAA: struct{}{},
dns.TypeA: struct{}{},