Start Automating InfluxDB Deployments at the Edge with balena

| © Copyright 2023, InﬂuxData
Start Automating
InﬂuxDB Deployments at
the Edge with balena
January 24, 2023

Past life: Sales Engineer for IIoT Solutions.
Passion: Autonomous and Vision based projects.
Driven: To make IoT accessible to all.
Belief: Industrial IoT’s success belongs to the
domain experts.
Jay Cliﬀord
Developer Advocate, InﬂuxData

Past life: IoT and Smart Cities during the last 15 years.
Passion: Educative IoT devices.
Driven: Make the planet a better place with IoT.
Belief: IoT success will come when everyone will
collaborate.
Marc Pous
IoT Giant
Developer Advocate, balena.io

Part 3
Edge Data Replication
and analysing our data
in the cloud.
Part 2
Intro to balenAir
Part 4
Demo and next steps!
Part 1
What is balena?
4

What is balena?

balena - Anyone?
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balena - Anyone?

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balena - At a Glance
“Platform built to develop, deploy, and manage
fleets of connected devices at scale.”

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balena - Fleet Management

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. . .

. . .
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https://hub.balena.io/organizations/marc6/apps/MING

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. . .

. . .
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balena - What is a Block
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https://blog.balena.io/introducing-balenablocks-jumpstart-your-iot-app-development/

balena - Connector Block
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https://hub.balena.io/organizations/balenalabs/blocks/connector
The connector block wraps Telegraf in code which discovers and intelligently connects data
sources and sinks.
For example, the connector block will find an MQTT broker running on the device and
subscribe to a sensor topic. An application developer can simply send JSON-formatted data to
this topic and it will be ingested by connector. Similarly, the block will find an instance of
InfluxDB running on the device, and send any ingested data to it.
The use of environment variables allows a developer or fleet owner to enable lots of other data
sources and sinks, both on the device and externally hosted.
https://github.com/balena-labs-projects/connector

balenAir

What is balenAir ?
A “build it yourself” Indoor Air Quality
Device - IAQ.
Motivation: Dedicated to making
environmental information visibly more
accessible.
| open source | highly customizable |
| easy to use | privacy |
IAQ = (C02, VOC and particulate sensors)
0 (best air quality) - 99 (hazardous)
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Sensors and Hardware
PMSA003I SCD-40
Raspberry PI 3 / 4b
SparkFun Qwiic LED Stick
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Demo Architecture
IAQ MQTT
Broker
Connector
InﬂuxDB
Grafana
Edge
downsampled
co2
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Edge Data Replication

Cloud
Edge
generator
northbound
Write
Endpoint
replication queue
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Telegraf

Analyzing our data in the cloud

A functional language designed for
querying, analyzing, and acting on data.
Flux
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Anomaly Detection Forecasting
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Let’s start!

Deployment with balena
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Tips and Tricks

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Connector block tips & tricks
https://github.com/balena-labs-projects/connector

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Unsupervised and rule-based
time series anomaly detection
The ADTK package allows
you to easily build an
effective detection model
from a variety or rule-based
anomaly detection methods.
“Prophet is a procedure for
forecasting time series data
based on an additive model
where non-linear trends are
fit with yearly, weekly, and
daily seasonality, plus holiday
effects.”
A Neural Network based
Time-Series model, inspired
by Facebook Prophet and
AR-Net (Autoregressive
neural network), built on
PyTorch.
“A new library to analyze time
series data. Kats is a
lightweight, easy-to-use, and
generalizable framework for
generic time series analysis”
Anomaly Detection Toolkit
(ADTK)
FB Prophet Neural Prophet Kats
Favourite Python Libraries

What next?

Balena Hub
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https://hub.balena.io/organizations/g_jay_cliﬀord/apps/balenAir_InﬂuxDB_V2 https://forums.balena.io

https://inﬂuxdbu.com/ https://inﬂuxcommunity.slack.com/
Learning and Community
37

Any Questions?

www.inﬂuxdata.com

Step-by-step tutorial

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https://github.com/InfluxCommunity/balenair/
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https://github.com/InfluxCommunity/balenair/blob/master/docker-compose.yml
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Deployment with balena → ﬂux
https://github.com/InfluxCommunity/balenair/blob/master/docker-compose.yml
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InﬂuxDB Cloud
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InﬂuxDB Cloud
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from(bucket: "C02-Demo")
|> range(start: v.timeRangeStart,
stop: v.timeRangeStop)
|> filter(fn: (r) => r["_measurement"]
== "mqtt_consumer")
|> filter(fn: (r) => r["_field"] ==
"co2")
|> filter(fn: (r) => r["location"] ==
"ES")
|> aggregateWindow(every: 30s, fn:
mean, createEmpty: false )
|> yield(name: "actual")
|> holtWinters(n: 8, interval: 30s,
withFit: true)
|> yield(name: "forcast")
import
"contrib/anaisdg/anomalydetection"
from(bucket: "C02-Demo")
|> range(start: v.timeRangeStart,
stop: v.timeRangeStop)
|> filter(fn: (r) => r["_measurement"]
== "mqtt_consumer")
|> filter(fn: (r) => r["_field"] ==
"co2")
|> anomalydetection.mad(threshold:
3.0)
|> filter(fn: (r) => r["level"] ==
"anomaly")
// Notice how you can filter for the
actual MAD value to better discover
anomalous series.
|> filter(fn: (r) => r["MAD"] > 3.0)
|> group(columns: ["location"],
mode:"by")
|> aggregateWindow(every: 1m, fn:
count, createEmpty: false )
|> yield()

Start Automating InfluxDB Deployments at the Edge with balena

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Start Automating InfluxDB Deployments at the Edge with balena