Fluent Bit is compatible with latest Apple macOS system on x86_64 and Apple Silicon architectures.
Installation Packages
The packages can be found here: https://packages.fluentbit.io/macos/
Requirements
For the next steps, you will need to have Homebrew installed in your system. If is not there, you can install it with the following command:
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
Installing from Homebrew
The Fluent Bit package on Homebrew is not officially supported, but should work for basic use cases and testing. It can be installed using:
brew install fluent-bit
Compile from Source
Install build dependencies
Run the following brew command in your terminal to retrieve the dependencies:
brew install git cmake openssl bison
Get the source and build it
Grab a fresh copy of the Fluent Bit source code (upstream):
git clone https://github.com/fluent/fluent-bit
cd fluent-bit
Optionally, if you want to use a specific version, just checkout to the proper tag. If you want to use v1.8.13 just do:
In order to prepare the build system, we need to expose certain environment variables so Fluent Bit CMake build rules can pick the right libraries:
export OPENSSL_ROOT_DIR=`brew --prefix openssl`
export PATH=`brew --prefix bison`/bin:$PATH
Change to the build/ directory inside the Fluent Bit sources:
Build Fluent Bit. Note that we are indicating to the build system "where" the final binaries and config files should be installed:
cmake -DFLB_DEV=on -DCMAKE_INSTALL_PREFIX=/opt/fluent-bit ../
make -j 16
Install Fluent Bit to the directory specified above. Note that this requires root privileges due to the directory we will write information to:
The binaries and configuration examples can be located at /opt/fluent-bit/.
Create macOS installer from source
Grab a fresh copy of the Fluent Bit source code (upstream):
git clone https://github.com/fluent/fluent-bit
cd fluent-bit
Optionally, if you want to use a specific version, just checkout to the proper tag. If you want to use v1.9.2 just do:
In order to prepare the build system, we need to expose certain environment variables so Fluent Bit CMake build rules can pick the right libraries:
export OPENSSL_ROOT_DIR=`brew --prefix openssl`
export PATH=`brew --prefix bison`/bin:$PATH
And then, creating the specific macOS SDK target (For example, specifying macOS Big Sur (11.3) SDK environment):
export MACOSX_DEPLOYMENT_TARGET=11.3
Change to the build/ directory inside the Fluent Bit sources:
Build the Fluent Bit macOS installer.
cmake -DCPACK_GENERATOR=productbuild -DCMAKE_INSTALL_PREFIX=/opt/fluent-bit ../
make -j 16
cpack -G productbuild
Then, macOS installer will be generated as:
CPack: Create package using productbuild
CPack: Install projects
CPack: - Run preinstall target for: fluent-bit
CPack: - Install project: fluent-bit []
CPack: - Install component: binary
CPack: - Install component: library
CPack: - Install component: headers
CPack: - Install component: headers-extra
CPack: Create package
CPack: - Building component package: /Users/fluent-bit-builder/GitHub/fluent-bit/build/_CPack_Packages/Darwin/productbuild//Users/fluent-bit-builder/GitHub/fluent-bit/build/fluent-bit-1.9.2-apple/Contents/Packages/fluent-bit-1.9.2-apple-binary.pkg
CPack: - Building component package: /Users/fluent-bit-builder/GitHub/fluent-bit/build/_CPack_Packages/Darwin/productbuild//Users/fluent-bit-builder/GitHub/fluent-bit/build/fluent-bit-1.9.2-apple/Contents/Packages/fluent-bit-1.9.2-apple-headers.pkg
CPack: - Building component package: /Users/fluent-bit-builder/GitHub/fluent-bit/build/_CPack_Packages/Darwin/productbuild//Users/fluent-bit-builder/GitHub/fluent-bit/build/fluent-bit-1.9.2-apple/Contents/Packages/fluent-bit-1.9.2-apple-headers-extra.pkg
CPack: - Building component package: /Users/fluent-bit-builder/GitHub/fluent-bit/build/_CPack_Packages/Darwin/productbuild//Users/fluent-bit-builder/GitHub/fluent-bit/build/fluent-bit-1.9.2-apple/Contents/Packages/fluent-bit-1.9.2-apple-library.pkg
CPack: - package: /Users/fluent-bit-builder/GitHub/fluent-bit/build/fluent-bit-1.9.2-apple.pkg generated.
Finally, fluent-bit-<fluent-bit version>-(intel or apple).pkg will be generated.
The created installer will put binaries at /opt/fluent-bit/.
Running Fluent Bit
To make the access path easier to Fluent Bit binary, in your terminal extend the PATH variable:
export PATH=/opt/fluent-bit/bin:$PATH
Now as a simple test, try Fluent Bit by generating a simple dummy message which will be printed to the standard output interface every 1 second:
fluent-bit -i dummy -o stdout -f 1
You will see an output similar to this:
Fluent Bit v1.9.0
* Copyright (C) 2015-2021 The Fluent Bit Authors
* Fluent Bit is a CNCF sub-project under the umbrella of Fluentd
* https://fluentbit.io
[2022/02/08 17:13:52] [ info] [engine] started (pid=14160)
[2022/02/08 17:13:52] [ info] [storage] version=1.1.6, initializing...
[2022/02/08 17:13:52] [ info] [storage] in-memory
[2022/02/08 17:13:52] [ info] [storage] normal synchronization mode, checksum disabled, max_chunks_up=128
[2022/02/08 17:13:52] [ info] [cmetrics] version=0.2.2
[2022/02/08 17:13:52] [ info] [sp] stream processor started
[0] dummy.0: [1644362033.676766000, {"message"=>"dummy"}]
[0] dummy.0: [1644362034.676914000, {"message"=>"dummy"}]
To halt the process, press ctrl-c in the terminal.
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