using prometheus and grafana for monitoring my power usage...side quest: secure, private web...
TRANSCRIPT
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Using Prometheus and Grafana for monitoring my
power usageErwin de Keijzer
Linux Engineer @ Snow
@erwindekeijzer
github.com/gnur
https://snow.nl
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This is about my washing machine
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13:30 (ETA: 14:46)
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14:48 (ETA: 15:03)
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15:04 (ETA: 15:14)
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15:23 (ETA: 15:33)
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Main quest: get notifications when the washing machine is done
Side quest: secure, private web interface for exploring power usage
Let’s go from pulling to pushing
![Page 9: Using Prometheus and Grafana for monitoring my power usage...Side quest: secure, private web interface for exploring power usage Let’s go from pulling to pushing The Setup • Reads](https://reader035.vdocuments.net/reader035/viewer/2022081420/5fe9fac1abe7071aa7017a84/html5/thumbnails/9.jpg)
The Setup
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• Reads /dev/ttyUSB0
• Stores relevant info in global vars
• Exposes these metrics using the promhttp library (official go
prometheus library)
• Prometheus scrapes the endpoint
Prometheus-p1-exporter
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prometheus p1
exporter
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Prometheus
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prometheus p1
exporter
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Grafana
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prometheus p1
exporter
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prometheus p1
exporter
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Quiz
A B C
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Quiz
A B C
Washing machineMicrowave
Oven
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Main quest: get notifications when the washing machine is done
Side quest: secure, private web interface for exploring power usage
Let’s go from pulling to pushing
![Page 21: Using Prometheus and Grafana for monitoring my power usage...Side quest: secure, private web interface for exploring power usage Let’s go from pulling to pushing The Setup • Reads](https://reader035.vdocuments.net/reader035/viewer/2022081420/5fe9fac1abe7071aa7017a84/html5/thumbnails/21.jpg)
Main quest: get notifications when the washing machine is done
Side quest: secure, private web interface for exploring power usage
Let’s go from pulling to pushing
![Page 22: Using Prometheus and Grafana for monitoring my power usage...Side quest: secure, private web interface for exploring power usage Let’s go from pulling to pushing The Setup • Reads](https://reader035.vdocuments.net/reader035/viewer/2022081420/5fe9fac1abe7071aa7017a84/html5/thumbnails/22.jpg)
Main quest: get notifications when the washing machine is done
Side quest: secure, private web interface for exploring power usage
Let’s go from pulling to pushing
![Page 23: Using Prometheus and Grafana for monitoring my power usage...Side quest: secure, private web interface for exploring power usage Let’s go from pulling to pushing The Setup • Reads](https://reader035.vdocuments.net/reader035/viewer/2022081420/5fe9fac1abe7071aa7017a84/html5/thumbnails/23.jpg)
Interesting graph #1
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Interesting graph #2
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https://prometheus.io
https://grafana.com/
https://caddyserver.com/
https://github.com/gnur/prometheus-p1-exporter
https://github.com/prometheus/client_golang
https://github.com/prometheus/alertmanager
Sources