Minimal Raspberry Pi Grafana Dashboard

mininal-rpi-grafana-dashboard

# Minimal Grafana Dashboard using a Raspberry Pi

# References:
# https://reelyactive.github.io/diy/pi-kiosk/
# https://blog.r0b.io/post/minimal-rpi-kiosk/
# https://grafana.com/blog/2019/05/02/grafana-tutorial-how-to-create-kiosks-to-display-dashboards-on-a-tv/

# -----------------------------------------------------

# Configuration (change to match your needs)
export WIFI_SSID=ssid
export WIFI_PASS=password
export WIFI_COUNTRY=ES
export GRAFANA_KIOSK_VERSION=v1.0.2
export GRAFANA_USER=pi
export GRAFANA_PASS=pass
export GRAFANA_SERVER=grafana.example.com
export GRAFANA_PLAYLIST=1

# -----------------------------------------------------

# Download and burn Raspberry Pi OS Lite version
# Unplug ans plug the SD card again into you laptop SD reader
# From a terminal in your laptop, copy-past the configuration lines and then:
sudo touch /media/$USER/boot/ssh
sudo cat > /media/$USER/rootfs/etc/wpa_supplicant/wpa_supplicant.conf << EOF
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
country=$WIFI_COUNTRY

network={
	ssid="$WIFI_SSID"
	psk="$WIFI_PASS"
	key_mgmt=WPA-PSK
}
EOF

# -----------------------------------------------------

# Unmount, plug into you RPi, boot the RPi and SSH into it
# Copy-past the configuration lines and then:

# Upgrade system
sudo apt update
sudo apt upgrade

# Enable SSH always
sudo systemctl sshd enable
sudo systemctl sshd start

# Install required packages
sudo apt install --no-install-recommends xserver-xorg-video-all \
  xserver-xorg-input-all xserver-xorg-core xinit x11-xserver-utils \
  chromium-browser unclutter

# Boot Options > Console Autologin > YES
sudo raspi-config

# If using an original Raspberry Pi Screen
echo "lcd_rotate=2" | sudo tee -a /boot/config.txt

# Download Grafana Kiosk App
wget https://github.com/grafana/grafana-kiosk/releases/download/$GRAFANA_KIOSK_VERSION/grafana-kiosk.linux.armv7
chmod +x grafana-kiosk.linux.armv7

# Create configuration file
cat > /home/$USER/grafana-kiosk.yml << EOF
general:
  kiosk-mode: full
  autofit: true
  lxde: true
  lxde-home: /home/$USER

target:
  login-method: local
  username: $GRAFANA_USER
  password: $GRAFANA_PASS
  playlist: true
  URL: https://$GRAFANA_SERVER/playlists/play/$GRAFANA_PLAYLIST
  ignore-certificate-errors: false
EOF

# Force to start the X if it's not an terminal or SSH session
cat > /home/$USER/.bash_profile << EOF
if [ -z \$DISPLAY ] && [ \$(tty) = /dev/tty1 ]
then
  startx
fi
EOF

# Start Grafana Kiosk on X start
cat > /home/$USER/.xinitrc << EOF
#!/usr/bin/env sh
xset -dpms
xset s off
xset s noblank

unclutter &
/home/$USER/grafana-kiosk.linux.armv7 -c /home/$USER/grafana-kiosk.yml
EOF

# Reboot and enjoy

Siguiendo instrucciones, con GRAFANA_KIOSK_VERSION=v1.0.4 nos muestra media pantalla: