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Monitor a cluster of Raspberry Pi's with Glances and Grafana

 — #Grafana#InfluxDB#Glances#Raspberry Pi

dashboard.json glances.service

Child Glance (Client only running Glances and InfluxDB)

Pre-requisites:

sudo apt-get install -y curl iptables python3-pip glances influxdb software-properties-common

Firewall rules to allow traffic to the Glances web interface, InfluxDB and Grafana

Glances

iptables -I INPUT -p tcp --dport 61208 -j ACCEPT

InfluxDB

iptables -I INPUT -p tcp --dport 8086 -j ACCEPT
iptables -I INPUT -p tcp --dport 8088 -j ACCEPT
sudo systemctl enable influxdb
curl -XPOST 'http://localhost:8086/query' --data-urlencode 'q=CREATE DATABASE "glances"'
curl -XPOST 'http://localhost:8086/query' --data-urlencode 'q=show databases'

Create glances.service file in /etc/systemd/system/glances.service

[Unit]
Description=Glances
After=network.target influxd.service

[Service]
ExecStart=/usr/local/bin/glances --quiet --export influxdb
Restart=on-failure
RemainAfterExit=yes
RestartSec=30s
TimeoutSec=30s

[Install]
WantedBy=multi-user.target

Parent Glance (Client running Glances, InfluxDB and Grafana)

Firewall rules to allow traffic to the Glances web interface, InfluxDB and Grafana

Grafana

iptables -I INPUT -p tcp --dport 3000 -j ACCEPT

Add Grafana repository & install Grafana

sudo mkdir -p /etc/apt/keyrings/
wget -O- https://packages.grafana.com/gpg.key |
    gpg --dearmor |
    sudo tee /etc/apt/keyrings/grafana.gpg > /dev/null

echo "deb [signed-by=/etc/apt/keyrings/grafana.gpg] https://packages.grafana.com/oss/deb stable main" |
    sudo tee /etc/apt/sources.list.d/grafana.list
sudo apt-get install grafana

sudo systemctl enable grafana-server

sudo du -sh /var/lib/influxdb/data/glances/