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CNAME responses can occur with "Type: A" dns_sd_config requests (#8216)

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Signed-off-by: Matt Berther <mattberther@users.noreply.github.com>
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Matt Berther 2020-12-01 02:32:15 -07:00 committed by GitHub
parent a6e18916ab
commit acee998df6
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1 changed files with 3 additions and 1 deletions
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4
discovery/dns/dns.go
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@ -211,8 +211,10 @@ func (d *Discovery) refreshOne(ctx context.Context, name string, ch chan<- *targ
target = hostPort(addr.A.String(), d.port)
case *dns.AAAA:
target = hostPort(addr.AAAA.String(), d.port)
case *dns.CNAME:
// CNAME responses can occur with "Type: A" dns_sd_config requests.
default:
level.Warn(d.logger).Log("msg", "Invalid SRV record", "record", record)
level.Warn(d.logger).Log("msg", "Invalid record", "record", record)
continue
}
tg.Targets = append(tg.Targets, model.LabelSet{