See these annoying messages,
Feb 06 13:34:03 hostname postfix_exporter[30713]: 2019/02/06 13:34:03 Could not read postfix output, EOF
Feb 06 13:34:27 hostname postfix_exporter[30713]: 2019/02/06 13:34:27 Could not read postfix output, EOF
Feb 06 13:35:27 hostname postfix_exporter[30713]: 2019/02/06 13:35:27 Could not read postfix output, EOF
Feb 06 13:36:27 hostname postfix_exporter[30713]: 2019/02/06 13:36:27 Could not read postfix output, EOF
Feb 06 13:37:27 hostname postfix_exporter[30713]: 2019/02/06 13:37:27 Could not read postfix output, EOF
Feb 06 13:38:27 hostname postfix_exporter[30713]: 2019/02/06 13:38:27 Could not read postfix output, EOF
Feb 06 13:39:27 hostname postfix_exporter[30713]: 2019/02/06 13:39:27 Could not read postfix output, EOF
Feb 06 13:40:27 hostname postfix_exporter[30713]: 2019/02/06 13:40:27 Could not read postfix output, EOF
Feb 06 13:41:27 hostname postfix_exporter[30713]: 2019/02/06 13:41:27 Could not read postfix output, EOF
Feb 06 13:42:27 hostname postfix_exporter[30713]: 2019/02/06 13:42:27 Could not read postfix output, EOF
See,
$ gometalinter --vendor --deadline 10m --disable-all --enable=megacheck ./...
postfix_exporter.go:97:17⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:276:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:277:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:278:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:279:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:280:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:281:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:282:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:283:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:284:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
postfix_exporter.go:285:40⚠️ should use raw string (`...`) with regexp.MustCompile to avoid having to escape twice (S1007) (megacheck)
Signed-off-by: Mario Trangoni <mjtrangoni@gmail.com>
The following flags configure this usage:
- systemd.enable: enable collection from systemd.
- systemd.unit: systemd unit, postfix.service by default.
- systemd.slice: systemd slice, overrides the unit.
- systemd.journal_path: path to the systemd journal directory.
Closes#2
Instead of providing stats for all messages collectively, it would make
more sense to group them by queue. That way it's possible to alert on
the number of active, deferred, etc. messages.
For Postfix 2.x there isn't a lot we can do, as there only is a single
ASCII character distinguishing between two queues specifically.
