Doc how to parse telegraf logs #4285
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plugins/inputs/logparser/README.md
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| We can use logparser to convert the log lines generated by Telegraf in metrics. | ||
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| To do this we need to configure Telegraf to write logs to a file (if we have systemd, by | ||
| default, it will be written to journald): |
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This isn't always the case, on most systems I have tested by default journald is setup to forward to rsyslog, when then writes the logs to /var/log/syslog. See #4174
What's important is that the admin sets up the telegraf logs to go into a dedicated file, and this will do that, but maybe we should also mention that on some systems you can also do this from your syslog handler.
plugins/inputs/logparser/README.md
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| [inputs.logparser.grok] | ||
| measurement = "telegraf_log" | ||
| patterns = ['\A%{TIMESTAMP_ISO8601:timestamp:ts-rfc3339} %{TELEGRAF_LOG_LEVEL:level:tag}! %{GREEDYDATA:msg}'] |
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