nats source NATS Source

Provided by: "Apache Software Foundation"

Support Level for this Kamelet is: "Stable"

Receive data from NATS topics.

Configuration Options

The following table summarizes the configuration options available for the nats-source Kamelet:

Property Name Description Type Default Example

servers

Servers

Required Comma separated list of NATS Servers.

string

topic

Topic

Required NATS Topic name.

string

jetstreamAsync

Jetstream Async Enabled

Sets whether to operate JetStream requests asynchronously.

boolean

true

jetstreamEnabled

Jetstream Enabled

Sets whether to enable JetStream support for this endpoint.

boolean

false

jetstreamName

Jetstream Stream Name

Sets the name of the JetStream stream to use.

string

Dependencies

At runtime, the nats-source Kamelet relies upon the presence of the following dependencies:

  • camel:jackson

  • camel:nats

  • camel:kamelet

Camel JBang usage

Prerequisites

  • You’ve installed JBang.

  • You have executed the following command:

jbang app install camel@apache/camel

Supposing you have a file named route.yaml with this content:

- route:
    from:
      uri: "kamelet:nats-source"
      parameters:
        .
        .
        .
      steps:
        - to:
            uri: "kamelet:log-sink"

You can now run it directly through the following command

camel run route.yaml

Nats Source Kamelet Description

Authentication methods

This Kamelet connects to Nats using appropriate authentication mechanisms:

  • Service-specific authentication methods

  • API keys, tokens, or credential-based authentication

  • Connection configuration

Output format

The Kamelet consumes data from Nats and produces the data in JSON format.

Configuration

The Kamelet requires connection parameters specific to Nats:

  • Service connection details

  • Authentication credentials

  • Query or consumption parameters

Usage example

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: nats-source-binding
spec:
  source:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: nats-source
    properties:
      # Add service-specific properties here
  sink:
    ref:
      kind: Service
      apiVersion: v1
      name: my-service

Kamelet source file

https://github.com/apache/camel-kamelets/blob/main/kamelets/nats-source.kamelet.yaml

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