mysqld_exporter display "target" to log msg

Hello, I'd like to display the 'target' field in the logs for easier debugging.

OLD ts=2023-12-19T02:53:31.516Z caller=exporter.go:152 level=error msg="Error pinging mysqld" err="Error 1045 (28000): Access denied for user 'testuser'@'127.0.0.1' (using password: YES)" ts=2023-12-19T02:53:35.076Z caller=exporter.go:152 level=error msg="Error pinging mysqld" err="Error 1045 (28000): Access denied for user 'testuser'@'127.0.0.1' (using password: YES)"

NEW ts=2023-12-19T02:53:31.516Z caller=exporter.go:152 level=error msg="Error pinging mysqld" target=1.2.3.4:3306 err="Error 1045 (28000): Access denied for user 'testuser'@'127.0.0.1' (using password: YES)" ts=2023-12-19T02:53:35.076Z caller=exporter.go:152 level=error msg="Error pinging mysqld" target=1.2.3.5:3306 err="Error 1045 (28000): Access denied for user 'testuser'@'127.0.0.1' (using password: YES)"

Dec 19 '23 03:12 Brant-lzh

This needs a rebase.

Aug 29 '24 06:08 SuperQ

@SuperQ So, what should be done?

Aug 29 '24 10:08 Brant-lzh

https://gist.github.com/nnja/a1888523ec851c6b94b2647956d5c3b4

Aug 29 '24 11:08 SuperQ

@SuperQ Done. LGTM !

Aug 31 '24 15:08 Brant-lzh

Sorry, this needs to be updated for the new logging system.

Nov 28 '24 14:11 SuperQ