NATS Sink

Provided by: "Apache Software Foundation"

Support Level for this Kamelet is: "Stable"

Send data to NATS topics.

Configuration Options

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

Property	Name	Description	Type	Default
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

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-sink Kamelet relies upon the presence of the following dependencies:

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:timer-source"
      parameters:
        period: 10000
        message: 'test'
      steps:
        - to:
            uri: "kamelet:nats-sink"

You can now run it directly through the following command

camel run route.yaml

NATS Sink Kamelet Description

NATS Messaging System

This Kamelet integrates with NATS, a high-performance messaging system designed for cloud-native applications, IoT messaging, and microservices architectures.

High Performance

NATS provides extremely high throughput and low latency messaging, making it suitable for real-time applications and high-frequency trading systems.

Subject-Based Messaging

Uses NATS subject-based messaging where messages are published to subjects (similar to topics) for efficient message routing and delivery.

Cloud-Native Design

NATS is designed for cloud-native environments with features like:

Horizontal scaling capabilities
Fault tolerance and high availability
Multi-tenancy support
Service mesh integration

Authentication and Security

Supports various authentication mechanisms and secure connections for enterprise deployments and sensitive data scenarios.

Kamelet source file

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