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Fix forward metrics for backwards compatibility (#6178)

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This commit is contained in:
Pat Downey
2023-07-04 15:35:55 +01:00
committed by GitHub
parent 6e1263d3d9
commit ea293da1d6
14 changed files with 87 additions and 78 deletions
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5
plugin/forward/forward.go
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@@ -97,7 +97,7 @@ func (f *Forward) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg
count := atomic.AddInt64(&(f.concurrent), 1)
defer atomic.AddInt64(&(f.concurrent), -1)
if count > f.maxConcurrent {
MaxConcurrentRejectCount.Add(1)
maxConcurrentRejectCount.Add(1)
return dns.RcodeRefused, f.ErrLimitExceeded
}
}
@@ -129,7 +129,7 @@ func (f *Forward) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg
r := new(random)
proxy = r.List(f.proxies)[0]
HealthcheckBrokenCount.Add(1)
healthcheckBrokenCount.Add(1)
}
if span != nil {
@@ -150,6 +150,7 @@ func (f *Forward) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Msg
for {
ret, err = proxy.Connect(ctx, state, opts)
if err == ErrCachedClosed { // Remote side closed conn, can only happen with TCP.
continue
}