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Monitoring

This is the sub project to establish monitoring for various things, that cannot be implemented in the Kubernetes cluster. This goes mostly into the direction of client side MQTT messages from sensors.

Various links:

devices

For credentials see repective esphome config file in subdirectory ./config.

esp host	sensor name	mac	IP
muc-kitchen	outside	A4:C1:38:D5:9C:BD	192.168.178.200
muc-kitchen	kitchen	A4:C1:38:AA:5F:9E	192.168.178.200
muc-kitchen	bathroom	A4:C1:38:98:BA:CC	192.168.178.200
muc-living	outside	A4:C1:38:04:1A:70	192.168.178.201
muc-living	living	A4:C1:38:01:90:9A	192.168.178.201
muc-living	sleeping	A4:C1:38:CF:6D:2E	192.168.178.201
rgbg-living	living	A4:C1:38:E1:36:C0
rgbg-living	outside	A4:C1:38:9B:18:D0
rgbg-living	outside-flora	A4:C1:38:67:44:95
rgbg-living	krasser-kaktus	A4:C1:38:67:42:34

setup

esphome

Setup is based on this guide.

brew install esphome

# wizard to create new devices
esphome wizard muc-kitchen.secret.yml

# flash to device
# -hold boot button to enable flashing on esps
esphome run ./config/muc-kitchen.secret.yml
esphome run ./config/muc-living.secret.yml
esphome run ./config/rgbg-living.secret.yml

custom firmware for hygrometers

To flash a custom firmware for this sensor.

Android handy, go to this page.
Flash firmware.

To test everything, check this YouTube Video and use the app "nRF Connect for mobile".

dyndns-muc

See file dyndns-muc.moritzgraf.secret.

TODO: Not sure why the respective update URL does not work.

prometheus

Metrics are provided on /metrics link see in config file.

no longer relevant

Switched from MQTT to prometheus exporter setup.

MQTT testing

To test MQTT a cli can be used. See hivemq install instructions.

mqtt sub -h moritzgraf.de -p 30024 --user sender -pw <password> -t demo
############# general mqtt
# get nodeport of mosquitto
kubectl get svc mosquitto -n datalab
# for password see `cat ../k8s/datalab/mosquitto.secret.yml`
# subscribe to topic
❯ mqtt sub -h moritzgraf.de -p 30024 --user sender -pw <password> -t demo
# publish a msg in different shell
❯ mqtt pub -h moritzgraf.de -p 30024 --user sender -pw <password> -m "HEllo" -t demo

paho

pip install paho-mqtt
python publish.py

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