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prevent adding empty target when CNAME is encountered

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Signed-off-by: Matt Berther <mattberther@users.noreply.github.com>
This commit is contained in:
Matt Berther 2021-01-03 16:08:27 -07:00 committed by beorn7
parent 0fd5ed0648
commit 31e86ed4bc
1 changed files with 1 additions and 0 deletions
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discovery/dns/dns.go
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@ -213,6 +213,7 @@ func (d *Discovery) refreshOne(ctx context.Context, name string, ch chan<- *targ
target = hostPort(addr.AAAA.String(), d.port)
case *dns.CNAME:
// CNAME responses can occur with "Type: A" dns_sd_config requests.
continue
default:
level.Warn(d.logger).Log("msg", "Invalid record", "record", record)
continue