log sink Log Sink

Provided by: "Apache Software Foundation"

Support Level for this Kamelet is: "Stable"

A sink that logs all data that it receives, useful for debugging purposes.

Configuration Options

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

Property Name Description Type Default Example

level

Log Level

Logging level to use.

Enum values:

* TRACE * DEBUG * INFO * WARN * ERROR * OFF

string

INFO

logMask

Log Mask

Mask sensitive information like password or passphrase in the log.

boolean

false

loggerName

Logger Name

Name of the logging category to use.

string

log-sink

marker

Marker

An optional Marker name to use.

string

multiline

Multiline

If enabled then each information is outputted on a newline.

boolean

false

showAllProperties

Show All Properties

Show all of the exchange properties (both internal and custom).

boolean

false

showBody

Show Body

Show the message body.

boolean

true

showBodyType

Show Body Type

Show the body Java type.

boolean

true

showCachedStreams

Show Cached Streams

Whether Camel should show cached stream bodies or not.

boolean

true

showExchangePattern

Show Exchange Pattern

Shows the Message Exchange Pattern (or MEP for short).

boolean

true

showHeaders

Show Headers

Show the headers received.

boolean

false

showProperties

Show Properties

Show the exchange properties (only custom). Use showAllProperties to show both internal and custom properties.

boolean

false

showStreams

Show Streams

Show the stream bodies (they may not be available in following steps).

boolean

false

Dependencies

At runtime, the log-sink Kamelet relies upon the presence of the following dependencies:

  • camel:kamelet

  • camel:log

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:log-sink"

You can now run it directly through the following command

camel run route.yaml

Log Sink Kamelet Description

Debugging and Monitoring

This Kamelet is designed for debugging purposes, logging all data it receives to help developers monitor and troubleshoot data flows.

Log Levels

Supports standard logging levels: TRACE, DEBUG, INFO (default), WARN, ERROR, and OFF.

Configuration Options

  • Logger Name: Custom logging category (defaults to "log-sink")

  • Log Level: Controls verbosity of logging output

  • Log Mask: Masks sensitive information like passwords

  • Marker: Optional marker name for log categorization

Display Options

Extensive customization for what information to display: - Message Body: Show/hide message content (default: true) - Headers: Display message headers (default: false) - Properties: Show exchange properties - Body Type: Display Java type information - Exchange Pattern: Show Message Exchange Pattern (MEP) - Streams: Handle stream body display - Multiline: Format output across multiple lines

Usage

Ideal for development, testing, and production monitoring to understand data flow and diagnose issues in integration pipelines.

Kamelet source file

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

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