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Improve dns resolving and logging

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This commit is contained in:
Daniel 2021-04-16 21:35:16 +02:00
parent bb3fc0ad35
commit d626cea102
6 changed files with 115 additions and 65 deletions
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7
resolver/resolve.go
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@ -341,6 +341,7 @@ resolveLoop:
}
// resolve
log.Tracer(ctx).Tracef("resolver: sending query for %s to %s", q.ID(), resolver.Info.ID())
rrCache, err = resolver.Conn.Query(ctx, q)
if err != nil {
switch {
@ -416,9 +417,11 @@ resolveLoop:
return nil, err
}
// Save the new entry if cache is enabled.
// Adjust TTLs.
rrCache.Clean(minTTL)
// Save the new entry if cache is enabled and the record may be cached.
if !q.NoCaching && rrCache.Cacheable() {
rrCache.Clean(minTTL)
err = rrCache.Save()
if err != nil {
log.Tracer(ctx).Warningf("resolver: failed to cache RR for %s: %s", q.ID(), err)