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TUN-9511: Add metrics for virtual DNS origin

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Closes TUN-9511
This commit is contained in:
Devin Carr
2025-07-01 13:26:34 -07:00
parent 242fccefa4
commit 6ec699509d
5 changed files with 65 additions and 13 deletions
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6
cmd/cloudflared/tunnel/configuration.go
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@@ -11,6 +11,7 @@ import (
"time"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"github.com/rs/zerolog"
"github.com/urfave/cli/v2"
"github.com/urfave/cli/v2/altsrc"
@@ -229,14 +230,15 @@ func prepareTunnelConfig(
}, log)
// Setup DNS Resolver Service
originMetrics := origins.NewMetrics(prometheus.DefaultRegisterer)
dnsResolverAddrs := c.StringSlice(flags.VirtualDNSServiceResolverAddresses)
dnsService := origins.NewDNSResolverService(origins.NewDNSDialer(), log)
dnsService := origins.NewDNSResolverService(origins.NewDNSDialer(), log, originMetrics)
if len(dnsResolverAddrs) > 0 {
addrs, err := parseResolverAddrPorts(dnsResolverAddrs)
if err != nil {
return nil, nil, fmt.Errorf("invalid %s provided: %w", flags.VirtualDNSServiceResolverAddresses, err)
}
dnsService = origins.NewStaticDNSResolverService(addrs, origins.NewDNSDialer(), log)
dnsService = origins.NewStaticDNSResolverService(addrs, origins.NewDNSDialer(), log, originMetrics)
}
originDialerService.AddReservedService(dnsService, []netip.AddrPort{origins.VirtualDNSServiceAddr})