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Logz.io-Out Plugin for Fluent Bit

You have two options when running Logz.io-Out Plugin for Fluent Bit:

Run as a standalone app

Configuration

1. Install Fluent Bit

If you haven't installed Fluent Bit yet, you can build it from source according to the instructions from Fluent Bit.

2. Install and configure the Logz.io plugin

For Linux:

wget -O /fluent-bit/plugins/out_logzio-linux.so \
    https://github.com/logzio/fluent-bit-logzio-output/raw/master/build/out_logzio-linux.so

For Linux with ARM64 Architecture:

wget -O /fluent-bit/plugins/out_logzio-linux.so \
    https://github.com/logzio/fluent-bit-logzio-output/raw/master/build/out_logzio-linux-arm64.so

For MacOS:

wget -O /fluent-bit/plugins/out_logzio-linux.so \
    https://github.com/logzio/fluent-bit-logzio-output/raw/master/build/out_logzio-macOS.so

For MacOS with ARM64 Architecture:

wget -O /fluent-bit/plugins/out_logzio-linux.so \
    https://github.com/logzio/fluent-bit-logzio-output/raw/master/build/out_logzio-macOS-arm64.so

For Windows:

wget https://github.com/logzio/fluent-bit-logzio-output/raw/master/build/out_logzio-windows.so

In your Fluent Bit configuration file (fluent-bit.conf by default), add Logz.io as an output.

Note: Logz.io-Out Plugin for Fluent Bit supports one output stream to Logz.io. We plan to add support for multiple streams in the future.
In the meantime, we recommend running a new instance for each output stream you need.

For a list of options, see the configuration parameters below to add to the code block. 👇

[OUTPUT]
    Name  logzio
    Match *
    Workers 1
    logzio_token <<SHIPPING-TOKEN>>
    logzio_url   https://<<LISTENER-HOST>>:8071
    id <<any string>>

3. Run Fluent Bit with the Logz.io plugin

fluent-bit -e /fluent-bit/plugins/out_logzio-linux.so \
-c /fluent-bit/etc/fluent-bit.conf

4. Check Logz.io for your logs

Give your logs some time to get from your system to ours, and then open Kibana.

If you still don't see your logs, see log shipping troubleshooting.

Run in a Docker container

Configuration

1. Make the configuration file

To run in a container, create a configuration file named fluent-bit.conf.

Note: Logz.io-Out Plugin for Fluent Bit supports one output stream to Logz.io. We plan to add support for multiple streams in the future.
In the meantime, we recommend running a new instance for each output stream you need.

For a list of options, see the configuration parameters below to add to the code block. 👇

[SERVICE]
    # Include your remaining SERVICE configuration here.
    Plugins_File plugins.conf

[OUTPUT]
    Name  logzio
    Match *
    logzio_token <<SHIPPING-TOKEN>>
    logzio_url   https://<<LISTENER-HOST>>:8071
    id <<any string>>

2. Run the Docker image

Run the Docker image using the fluent-bit.conf file you made in step 1.

docker run -it --rm \
-v /path/to/fluent-bit.conf:/fluent-bit/etc/fluent-bit.conf \
logzio/fluent-bit-output

3. Check Logz.io for your logs

Give your logs some time to get from your system to ours, and then open Kibana.

If you still don't see your logs, see log shipping troubleshooting.

Output Parameters

Parameter Description
logzio_token Required. Replace <<SHIPPING-TOKEN>> with the token of the account you want to ship to.
logzio_url Default: https://listener.logz.io:8071 Listener URL and port. Replace <<LISTENER-HOST>> with your region's listener host (for example, listener.logz.io). For more information on finding your account's region, see Account region.
logzio_type Default: logzio-fluent-bit The log type, shipped as type field. Used by Logz.io for consistent parsing. Can't contain spaces.
logzio_debug Default: false Set to true to print debug messages to stdout.
id Default: logzio_output_1 Output id. Mandatory when using multiple outputs.
dedot_enabled Default: false Enabled dedot processing.
dedot_nested Default: false Enables nesting dedot processing.
dedot_new_seperator Default: "_" Seperator character to use when applying dedot processing.
proxy_host Optional: <PROXY_HOST>:<PROXY_PORT> Support HTTP proxy processing.
proxy_user Optional: "" Support HTTP proxy user authentication.
proxy_pass Optional: "" Support HTTP proxy password authentication.
headers Optional: Custom HTTP headers in the format Key1:Value1,Key2:Value2. Duplicate keys will overwrite existing values.

Contributing to the project

Requirements:

  • Go version >= 1.11.x

To contribute, clone this repo and install dependencies

Remember to run and add unit tests. For end-to-end tests, you can add your Logz.io parameters to fluent-bit.conf and run: Replace <> with amd or arm

docker build -t logzio-bit-test -f test/Dockerfile.<<arch-type>> .
docker run logzio-bit-test

Always confirm your logs are arriving at your Logz.io account.

Change log

  • 0.6.2:
    • Resolve bug with exit code handling to ensure all buffered logs are flushed before termination.
    • Upgrade golang to 1.22.
    • Upgrade fluent-bit official image to 3.1.4.
  • 0.6.1:
    • Added support for custom HTTP headers.
    • Validation for malformed headers, duplicate keys, and logging of warnings.
  • 0.6.0:
    • Upgrade fluent-bit official image to v3.0.4
  • 0.5.0:
    • Added HTTP proxy support.
    • Added Array fields support
    • Improved retries.
  • 0.4.1:
    • Trim the compiler build path from stack traces.
  • 0.4.0:
    • Add timestamp decode support for new fluentbit versions.
    • Update to fluent-bit 2.1.9 in docker image.
  • 0.3.0:
    • Added an optional dedot processing.
    • Upgraded to golang 1.19.1. in docker image.
    • Update to fluent-bit 2.0.8 in docker image.
  • 0.2.0:
    • Added id parameter to support multiple outputs.
  • 0.1.0:
    • Upgrade to use Go modules (Thanks @camal-cakar-gcx)
    • Update to fluent-bit 1.8.3 in docker image.
    • Update to latest fluent-bit-go.
    • Upgrade to gopkg.in/yaml.v3.
  • 0.0.2:
    • Upgrade to fluent-bit 1.5.4 in docker image (Thanks @alysivji).
    • Fixed error output (Thanks @alexjurkiewicz).
  • 0.0.1:
    • Initial release.