MQTT Source
Provided by: "Apache Software Foundation"
Allows receiving messages from any endpoint that supports the MQTT protocol, such as a message broker.
Configuration Options
The following table summarizes the configuration options available for the mqtt-source
Kamelet:
Property | Name | Description | Type | Default | Example |
---|---|---|---|---|---|
brokerUrl * | Broker URL | The URL of the broker where to establish the connection | string |
| |
topic * | Topic | The topic to subscribe to | string |
| |
clientId | Client ID | The client ID to use when connecting to the resource | string |
|
Fields marked with (*) are mandatory. |
Usage
This section summarizes how the mqtt-source
can be used in various contexts.
Knative Source
The mqtt-source
Kamelet can be used as Knative source by binding it to a Knative object.
apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
name: mqtt-source-binding
spec:
source:
ref:
kind: Kamelet
apiVersion: camel.apache.org/v1alpha1
name: mqtt-source
properties:
brokerUrl: "tcp://mosquitto:1883"
topic: "mytopic"
sink:
ref:
kind: InMemoryChannel
apiVersion: messaging.knative.dev/v1
name: mychannel
Make sure you have Camel K installed into the Kubernetes cluster you’re connected to.
Save the mqtt-source-binding.yaml
file into your hard drive, then configure it according to your needs.
You can run the source using the following command:
kubectl apply -f mqtt-source-binding.yaml