Prometheus Log Format

[mostafa hamdy]

Hi team,
Currently i am using prometheus docker image prom/prometheus.
I wanted to send prometheus logs to kibana, instead of having to ssh to the machines and find find the logs.
Is it possible to change the log format for prometheus, and if it's possible then how can i do it?

Also where is the log directory inside docker?
Currently to find logs i have two ways:

1. docker logs {containerId}.
2. In host machine inside /var/lib/docker/containers/*/*.log.

Where can i find log directory inside docker so i can map it to a directory in host machine outside docker.

[Ben Kochie]

Prometheus only logs to stderr. The log format is controlled by the `--log.format` flag. The only option is the default logfmt format, and json.

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[mostafa hamdy]

If i use json format, can i modify the attributes name? does it have something similar to log4j.xml that i can override it and define new attributes?

[Ben Kochie]

No, there are no options.