mongodb changes stream source MongoDB Changes Stream Source

Provided by: "Apache Software Foundation"

Support Level for this Kamelet is: "Stable"

Consume Changes from MongoDB Collection in streaming mode.

Configuration Options

The following table summarizes the configuration options available for the mongodb-changes-stream-source Kamelet:

Property Name Description Type Default Example

collection

MongoDB Collection

Required Sets the name of the MongoDB collection to bind to this endpoint.

string

database

MongoDB Database

Required Sets the name of the MongoDB database to target.

string

hosts

MongoDB Hosts

Required Comma separated list of MongoDB Host Addresses in host:port format.

string

password

MongoDB Password

User password for accessing MongoDB.

string

ssl

Enable Ssl for Mongodb Connection

whether to enable ssl connection to mongodb.

boolean

true

sslValidationEnabled

Enables Ssl Certificates Validation and Host name checks.

IMPORTANT this should be disabled only in test environment since can pose security issues.

boolean

true

streamFilter

Stream Filter

Filter condition for change streams consumer.

string

{ '$match':{'$or':[{'fullDocument.stringValue': 'specificValue'}]} }

username

MongoDB Username

Username for accessing MongoDB. The username must be present in the MongoDB’s authentication database (authenticationDatabase). By default, the MongoDB authenticationDatabase is 'admin'.

string

Dependencies

At runtime, the mongodb-changes-stream-source Kamelet relies upon the presence of the following dependencies:

  • camel:kamelet

  • camel:mongodb

  • camel:jackson

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:mongodb-changes-stream-source"
      parameters:
        .
        .
        .
      steps:
        - to:
            uri: "kamelet:log-sink"

You can now run it directly through the following command

camel run route.yaml

Mongodb Changes Stream Source Kamelet Description

Authentication methods

This Kamelet connects to Mongodb Changes Stream using:

  • Database-specific connection credentials

  • Username and password authentication

  • Connection URL/string configuration

Output format

The Kamelet monitors Mongodb Changes Stream for changes and produces the data in JSON format.

Configuration

The Kamelet requires database connection parameters:

  • Database connection URL/server information

  • Username and password for authentication

  • Query or monitoring configuration

Usage example

apiVersion: camel.apache.org/v1alpha1
kind: KameletBinding
metadata:
  name: mongodb-changes-stream-source-binding
spec:
  source:
    ref:
      kind: Kamelet
      apiVersion: camel.apache.org/v1alpha1
      name: mongodb-changes-stream-source
    properties:
      serverName: "database-server"
      username: "{{username}}"
      password: "{{password}}"
      databaseName: "mydb"
  sink:
    ref:
      kind: Service
      apiVersion: v1
      name: my-service

Kamelet source file

https://github.com/apache/camel-kamelets/blob/main/kamelets/mongodb-changes-stream-source.kamelet.yaml

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