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lib/promscrape: clarify error message on failed connection to scrape target when -enableTCP6 command-line flag isn't set

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This commit is contained in:
Aliaksandr Valialkin 2020-12-06 13:15:27 +02:00
parent b0e4b234cb
commit 299a35948c
1 changed files with 4 additions and 1 deletions
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5
lib/promscrape/statconn.go
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@ -19,6 +19,9 @@ func statStdDial(ctx context.Context, network, addr string) (net.Conn, error) {
dialsTotal.Inc()
if err != nil {
dialErrors.Inc()
if !netutil.TCP6Enabled() {
err = fmt.Errorf("%w; try -enableTCP6 command-line flag if you scrape ipv6 addresses", err)
}
return nil, err
}
conns.Inc()
@ -54,7 +57,7 @@ func statDial(addr string) (conn net.Conn, err error) {
if err != nil {
dialErrors.Inc()
if !netutil.TCP6Enabled() {
err = fmt.Errorf("%w; try -enableTCP6 command-line flag", err)
err = fmt.Errorf("%w; try -enableTCP6 command-line flag if you scrape ipv6 addresses", err)
}
return nil, err
}