Building IoT Visualizations using Grafana: Power up your IoT projects and monitor with Prometheus, LibreNMS, and Elasticsearch

Cover
Title Page
Copyright and Credits
Contributors
Table of Contents
Preface
Part 1: Meeting Grafana
Chapter 1: Getting Started with Grafana
	Technical requirements
		Managing data
		Performing visualizations
		Transformations, alerts, and annotations
	Installing Grafana on a Raspberry Pi
		Installation instructions
		Accessing Grafana for the first time
	Installing Grafana on Ubuntu Server
		Installation instructions
		Running Grafana on Ubuntu Server
	Installing Grafana with Docker
		Deploying Grafana with Docker CLI
	Initial configuration of Grafana
		Configuration files
		Environment variables
	Maybe you prefer the cloud option
	Summary
Chapter 2: Exploring Grafana
	Technical requirements
	Exploring the Grafana interface
		The main menu
	Organizations, dashboards, and panels
		Organizations
		Dashboards
		Panels
	How to get data into Grafana
		Data sources
	Making integrations easy with plugins
		Data source plugins
		Panel plugins
	Users and permissions
		Server level
		Organization level
		Teams
		Users
	Authentication methods
	Grafana authentication
		Short-lived tokens
		Anonymous authentication
		Authentication options
		Proxy authentication
		JWT authentication
		LDAP authentication
		GitHub OAuth2 authentication
	Summary
Part 2: Collecting Data from IoT Devices
Chapter 3: Connecting IoT Devices
	Technical requirements
	Sending data from IoT devices
	What is MQTT and what is it used for?
		Topics in MQTT
		QoS in MQTT
		MQTT 3.1.1
		MQTT 5
		MQTT clients
	Using an online MQTT broker
		Mosquitto
		HiveMQ
	Running your MQTT broker
	Sending data through HTTP
		HTTP methods
		HTTPS
		HTTP use case
	What is CoAP?
	What about WebSocket?
	How to select the right IoT protocol
	Summary
Chapter 4: Data Sources for Grafana
	What is a data source?
	SQL versus NoSQL databases
		SQL databases
		What are NoSQL databases
	What are TSDBs?
	Google Sheets and CSV files
		Google Sheets data source
		Using files as data sources
	How to use live data
		Features
		Live channels
		Origin check
		Use of resources
		Maximum number of connections
	Summary
Chapter 5: Using Time Series Databases
	Installing and configuring InfluxDB
		Installing InfluxDB
		Configuring the InfluxDB service
		Configuring the InfluxDB database
	Creating and managing an InfluxDB database
		Main concepts of InfluxDB databases
		Creating an InfluxDB bucket
		Storing values in the bucket
		Reading data from InfluxDB
	Installing and configuring OpenTSDB
		Installing OpenTSDB
		Configuring OpenTSDB
	Writing data in an OpenTSDB database
		Data schema
		Writing data
		Adding the data source to Grafana
	Summary
Part 3: Connecting Data Sources and Building Dashboards
Chapter 6: Getting Data and Building Dashboards
	Getting data from time-series databases
	Showing time-series data in graph panels
		Panel options
		Time-series panel options
	Building table data panels
		Table panel options
		Building and customizing a table with multiple queries
	How to show categorical data
		Using stat panels
		Using bar charts
	Building a georeferenced map
		The Geomap panel
	Histograms and heatmaps
		The Histogram panel
		The Heatmap panel
	Summary
Chapter 7: Managing Plugins
	Technical requirements
	How to install and manage plugins
		Installing a Grafana plugin on your server
		Installing plugins in a Grafana Cloud instance
		Plugins administration permissions
	All the flavors of plugins
		Signed versus unsigned plugins
		Types of plugins
	Summary
Chapter 8: Organizing and Managing Dashboards
	Organizing panels and dashboards
		Controlling the visualization
		Building and showing playlists
	Properties of dashboards
		General dashboard properties
	Annotations and variables
		Annotations
		Variables
	Linking and sharing dashboards
		Linking dashboards and panels
		Sharing dashboards and panels
	Exporting and importing dashboards
		Exporting a dashboard
		Importing a dashboard
	Summary
Part 4: Performing Analytics and Notifications
Chapter 9: Performing Analytics in Grafana
	Technical requirements
	InfluxDB calculations
		InfluxQL functions
	Transformations in Grafana
		Add field from calculation
		Concatenate fields
		Convert field type
		Filter data by name
		Filter data by query
		Filter data by value
		Group by
		Labels to fields
		Merge
		Organize fields
		Join by field (outer transformation)
		Reduce
	Building advanced plots with Plotly
	Summary
Chapter 10: Alerting and Notifications in Grafana
	Technical requirements
	How Grafana manages alerts
		Using Alertmanager in Grafana
		Alert rule types
		No data and error handling
	Building numerical-based alerts
		Time-series and tabular data
	Notifications in Grafana
		Adding a contact point
	Connecting alerts and notifications
		Grouping notification policies
		Adding notification policies
		Editing the root policy
		Mute timings
		Silences
		Differences between mute timings and silences
	Summary
Part 5: Integrating Grafana with Other Platforms
Chapter 11: Using Grafana with Prometheus
	Technical requirements
	What is Prometheus?
		Architecture
		Data model
		Metric types
	Installing Prometheus
		Installing from binaries
		Installing from source
		Installing Prometheus using Docker
	Feeding Prometheus with data
		Prometheus clients
		Exporters
		Pushgateway
		Scraping configuration
	Integrating Prometheus and Grafana
		Editing Prometheus queries in Grafana
	Summary
Chapter 12: Using Grafana with OpenSearch
	Technical requirements
	What OpenSearch is and what it is used for
		OpenSearch components
	Installing OpenSearch
		Disabling security for testing
	Ingesting data in OpenSearch
		Fluent Bit
		Configuring Fluent Bit for receiving MQTT messages
		Sending the data to OpenSearch
	Integrating OpenSearch and Grafana
		Adding the data source
		Building dashboards with the OpenSearch data source
		Interacting with OpenSearch using OpenSearch Dashboards
	Summary
Chapter 13: Showing Data from LibreNMS in Grafana
	Technical requirements
	What LibreNMS is and how you can use it
		SNMP
	Configuring LibreNMS to use InfluxDB
	Showing LibreNMS data on Grafana dashboards
	Showing network topology diagrams with quasi-live data
		Building diagrams with draw.io
		Using the FlowCharting panel
	Summary
Chapter 14: Integrations for Grafana Cloud
	Technical requirements
	What is the Grafana Agent?
		Grafana Agent configuration
		Grafana Cloud service integrations
	Using the Linux Node integration
	Using the Home Assistant integration
	Using the RabbitMQ integration
	Summary
Index
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