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54 lines
1.7 KiB
Markdown
54 lines
1.7 KiB
Markdown
# Monitoring solution
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Leverages Prometheus and Grafana.
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1. [Pre-flight operations](#pre-flight-operations)
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1. [Runtime operations](#runtime-operations)
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1. [Further readings](#further-readings)
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## Pre-flight operations
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For example purposes, the host running them will also run the Node Exporter to provide data.<br/>
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Since the Node Exporter container runs in host mode, the host's IP or FQDN must be set in
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[Prometheus' configuration file] for this to work.
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The configuration provided needs to be readable from the processes using it.<br/>
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Fix files' permissions:
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```sh
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# From the containers.
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docker compose run --rm --user 'root' --entrypoint chown 'grafana' -Rv 'grafana' '/etc/grafana' '/var/lib/grafana'
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docker compose run --rm --user 'root' --entrypoint chown 'prometheus' -Rv 'nobody:nobody' '/etc/prometheus'
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# Locally.
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sudo chown -R '472:0' 'grafana'
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sudo chown -R '65534:65534' 'prometheus'
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```
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## Runtime operations
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Default credentials for Grafana: `admin` - `admin`.<br/>
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Will be requested to change them upon first login.
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## Further readings
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- [Grafana]
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- [Prometheus]
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- [ERROR - Deploy - Error response from daemon: linux mounts: path / is mounted on / but it is not a shared or slave mount]
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<!--
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Reference
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═╬═Time══
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-->
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<!-- In-article sections -->
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<!-- Knowledge base -->
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[grafana]: ../../knowledge%20base/grafana.md
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[prometheus]: ../../knowledge%20base/prometheus/README.md
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<!-- Files -->
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[prometheus' configuration file]: prometheus/prometheus.yml
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<!-- Others -->
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[error - deploy - error response from daemon: linux mounts: path / is mounted on / but it is not a shared or slave mount]: https://github.com/prometheus/node_exporter/issues/2002#issuecomment-802753422
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