Gateway Design with Eclipse Kura - Taking Kura to heights

Gateway Design with Eclipse Kura
– Taking to new heights
By
Rajesh Sola, Core Faculty
CDAC ACTS,Pune

Eclipse Kura - Taking to New Heights 2
Outline
● Gateway in IOT Architecture
● Eclipse Kura
● Architecture & Services
● Available APIs
● Bridging Scenarios
● Custom Services

Introduction
● IOT Layers
– Devices
– Gateway
– Platforms
● Need for Gateways
● Gateway Characteristics
● Functionality & Services

Eclipse IOT
● Protocols,Standards & Constrained Devices
– Paho library for MQTT clients
– Mosquitto for MQTT broker
– Californium for CoAP
– Leshan,Wakaama for LWM2M
– OM2M for OneM2M
– Milo for OPC-UA
● Gateways
– Eclipse Kura
– Eclipse Smarthome (Backbone of OpenHAB)
● Cloud/Platform Solutions
– Kapua

Eclipse Kura
● Eclipse IOT Project
● M2M-IOT integrations (OT/IT)
● Bridging gap between embedded and enterprise
● Kura powered Eurotech Gateways (Reliagate series)
● OSGi based applications containers
● Offerings
– Dynamic component model
– Rich Services,API Support
– High Configurability
– Remote Management

Architecture
Ref:-https://eclipse.github.io/kura/intro/intro.html

Kura Bundles
● Bundle life cycle
– INSTALLED, RESOLVED, STARTING
– ACTIVE, STOPPING, UNINSTALLED
● Bundle Dependencies

Deploying & Managing Bundles
● Deploying Bundles
– Through Web Console
– Through Remote Login (telnet)
– Through mToolkit framework (Eclipse IDE)
● Installing,Uninstalling bundles
● Starting,Stopping bundles

Kura Offerings
● I/O Interfacing
● Wireless Connectivity
● Cloud Connectivity
● Industrial M2M protocols
● Logging, log levels
● Snapshot management
● Remote Monitoring

I/O Interfacing
● Device I/O
– GPIO
– I2C
– SPI
– PWM
● USB Access, HID API
● Serial Interfacing
● Services
– GPIOService
– Position Service
– ClockService
● SenseHAT example in kura source

Bluetooth Support
● Bluetooth Service
● BluetoothGatt Service
● Examples
– Beacon Scanner
– Kura Device as a beacon
– CC2650 SensorTag Scanner

Cloud Connectivity
● Data Service
● Cloud Service
● MQTT Transport
● Platform Connectivity Support
– Amazon AWS IOT
– Azure IOT Hub
– Eclipse Kapua

Industrial, M2M Services
● CANBus support
– org.eclipse.kura.protocol.can in kura source
– Can be enabled by following build step (in kura dir)
mvn -Dmaven.test.skip=true -f pom.xml -Pcan clean install
– Available through CanConnectionService
● ModBus support
– org.eclipse.kura.protocol.modbus in kura source
– Available through ModbusProtocolDeviceService
– Also available as Driver in Marketplace
● OPC UA support
– OPC UA Driver in Marketpalce (dp file)
– org.eclipse.kura.driver.opcua.provider in kura source
– Based on Eclipse MILO project

Built-in Services & APIs
● GPIOService
● PositionService
● CloudService,DataService
● DbService
● BluetoothService,BluetoothGattService
● ClockService
● WatchdogService
● NetworkService
● CommandService

Installation & Supported Targets
● Supported Targets
– RaspberryPi
– BeagleBone
– Intel Edison
● Debian packages are available for above targets
● Default vs nonet packages
● Equinox – OSGi runtime
● Emulator mode, user work space
● Custom Containers/Packaging
– Docker
– Snaps

Writing New Bundles
● HelloOsgi example
● Deploying the new bundle
● Managing custom bundle

Bundle Source Skeleton
➢ Src
➢ org.eclipse.kura.example.hello_osgi
➢ HelloOsgi.jabva
➢ OSGI-INF
➢ metatype
➢ org.eclipse.kura.example.hello_osgi.HelloOsgi.xml
➢ component.xml
➢ META-INF
➢ MANIFEST.mf
➢ resources
➢ dp
➢ hello_osgi.dpp
➢ hello_osgi.dp

Configurable Components
● Files
– OSGI_INF/metatype/*.xml
– OSGI_INF/component.xml
➔ Provides ConfigurableComponent as a service
● Retrieving properties from configuration service
private static final String HELLO_PROP_TOPIC = "hello.topic";
m_topic = (String) this.m_properties.get(HELLO_PROP_TOPIC);
● Configurable Hello Example
● Configuration for
– Service bundles
– Application bundles

Building Custom Services
● Service
– Interface
– Implementation
– Listeners
● Making Stories of some services
– InfluxService based on influxdb-java
github.com/influxdata/influxdb-java
– RESTService based on okhttp
square.github.io/okhttp/
● Above services are hosted at github.com/rajeshsola/kura-addons
(under development)

Bridging Scenarios
IOT Platforms
(MQTT,
HTTP REST)
Time Series Database
(InfluxDb)
Kura
Gateway
BLE Mote
WiFi Mote
CAN Slave
Other Possibilities:-
Industrial/M2M integrations,
Enterprise Messaging(Kafka)

Building Kura From Sources
● Download/checkout latest stable release of kura source
git checkout https://github.com/eclipse/kura.git
cd kura
git checkout -b KURA_3.0.0_RELEASE
sh build-all.sh #using maven build
● Which does following
MAVEN_PROPS =”-B -Dmaven.test.skip=true”
mvn -f target-platform/pom.xml clean install $MAVEN_PROPS
mvn -f kura/manifest_pom.xml clean install $MAVEN_PROPS
mvn -f kura/pom_pom.xml clean install $MAVEN_PROPS -Pweb
mvn -f kura/maven-central clean install $MAVEN_PROPS -Pweb
mvn -f karaf/pom.xml clean install $MAVEN_PROPS
● Collect deployable packages from
KURA_3.0.0_RELEASE/kura/distrib/target

Porting to custom targets
● Create a new dir in kura/distrib/src/main/resources/
say myboard
● Copy files from existing target, say raspberry-pi
● Edit some files in myboard dir, some important ones are
– jdk.dio.properties
– kura.properties
– kuranet.conf
– firewall.init
– iptables.init

Appendix::Running in Docker
● Pull the image from a reputed repo
docker pull ctron/kura
● Run the docker image
● You may add port forwarding options
docker run kura

Appendix::Kura Wires
● Introduced in Kura 3.0
● Visual Flow Model
● Wire Drivers (via Marketplace,at present)
– Modbus Driver
– OPC-UA Driver
● Wire Components
– Timer, Publisher, Subscriber, DB Store, Logger,
– DB Filter, Fifo, Regex Filter, Asset

Appendix::Kura Configuration
● Web Console, Authentication
● Configuration Options
– Network Configuration
– Ethernet Configuration
– Wi-Fi Configuration
– Firewall Configuration
– SSL Configuration
● Device Status
● Builtin Services
– Clock
– Position
– Watchdog
– Command

Thank You
??
?

Gateway Design with Eclipse Kura - Taking Kura to heights

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Gateway Design with Eclipse Kura - Taking Kura to heights