Sends simulated sensor data (temperature, humidity, air quality, lux) to the admission-control proxy. Each request is signed with the device's hardware identity key (proof of possession); the proxy accepts data only while the device is commissioned and stops when it is revoked.
Configuration
Set the proxy URL before the service can run:
snap set iot-telemetry proxy-url=http://<proxy-ip>:8082
Optionally adjust the send interval (seconds, default 10):
snap set iot-telemetry send-interval=10
Device identity
The device serial and hardware private key are provided at runtime by the gadget snap through the "device-identity" content interface, mounted at $SNAP/identity. The gadget must expose a matching slot and the connection must be declared in the model assertion:
connections: - plug: iot-telemetry:device-identity slot: pi:device-identity
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line:
sudo apt update
sudo apt install snapd
After this, install the snapd snap in order to get the latest snapd:
sudo snap install snapd
To install iot-telemetry, simply use the following command:
sudo snap install iot-telemetry
Browse and find snaps from the convenience of your desktop using the snap store snap.
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