##
##  fluentbit.spec -- OpenPKG RPM Package Specification
##  Copyright (c) 2000-2025 OpenPKG Project <http://openpkg.org/>
##
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##  any purpose with or without fee is hereby granted, provided that
##  the above copyright notice and this permission notice appear in all
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##
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##

#   package information
Name:         fluentbit
Summary:      Log Collector Daemon
URL:          https://fluentbit.io/
Vendor:       Treasure Data
Packager:     OpenPKG Project
Distribution: OpenPKG Community
Class:        EVAL
Group:        Logging
License:      Apache
Version:      1.6.9
Release:      20201218

#   list of sources
Source0:      https://github.com/fluent/fluent-bit/archive/v%{version}.tar.gz
Source1:      fluentbit.conf
Source2:      rc.fluentbit

#   build information
BuildPreReq:  OpenPKG, openpkg >= 20160101, gcc, gcc::with_cxx = yes, cmake
PreReq:       OpenPKG, openpkg >= 20160101

%description
    Fluent Bit is a Data Forwarder. It's part of the Fluentd Ecosystem.
    Fluent Bit allows collection of information from different sources,
    buffering and dispatching them to different outputs such as Fluentd,
    Elasticsearch, NATS or any HTTP end-point within others.

%track
    prog fluentbit = {
        version   = %{version}
        url       = https://github.com/fluent/fluent-bit/releases
        regex     = v(__VER__)\.tar\.gz
    }

%prep
    %setup -q -n fluent-bit-%{version}

%build
    #   configure program
    cd build
    cmake \
        -DCMAKE_BUILD_TYPE="Release" \
        -DCMAKE_INSTALL_PREFIX="%{l_prefix}" \
        -DCMAKE_C_COMPILER="%{l_cc}" \
        -DCMAKE_C_FLAGS="%{l_cflags} %{l_cppflags}" \
        -DCMAKE_EXE_LINKER_FLAGS="%{l_ldflags}" \
        -DCMAKE_CXX_COMPILER="%{l_cxx}" \
        -DFLB_TLS=ON \
        -DFLB_EXAMPLES=OFF \
        -DFLB_SHARED_LIB=OFF \
        -DFLB_BACKTRACE=OFF \
        -DFLB_LUAJIT=ON \
        -DFLB_OUT_NATS=ON \
        ..

    #   build program
    %{l_make} %{l_mflags}

%install
    #   create installation hierarchy
    %{l_shtool} mkdir -f -p -m 755 \
        $RPM_BUILD_ROOT%{l_prefix}/sbin \
        $RPM_BUILD_ROOT%{l_prefix}/etc/rc.d \
        $RPM_BUILD_ROOT%{l_prefix}/etc/fluentbit \
        $RPM_BUILD_ROOT%{l_prefix}/var/fluentbit/log \
        $RPM_BUILD_ROOT%{l_prefix}/var/fluentbit/run

    #   install program
    %{l_shtool} install -c -s -m 755 \
        build/bin/fluent-bit \
        $RPM_BUILD_ROOT%{l_prefix}/sbin/

    #   install configuration
    %{l_shtool} install -c -m 644 %{l_value -s -a} \
        %{SOURCE fluentbit.conf} \
        $RPM_BUILD_ROOT%{l_prefix}/etc/fluentbit/

    #   install run-command script
    %{l_shtool} install -c -m 755 %{l_value -s -a} \
        %{SOURCE rc.fluentbit} \
        $RPM_BUILD_ROOT%{l_prefix}/etc/rc.d/

    #   determine installation files
    %{l_rpmtool} files -v -ofiles -r$RPM_BUILD_ROOT \
        %{l_files_std} \
        '%config %{l_prefix}/etc/fluentbit/*' \
        '%attr(-,%{l_rusr},%{l_rgrp}) %{l_prefix}/etc/fluentbit' \
        '%attr(-,%{l_rusr},%{l_rgrp}) %{l_prefix}/var/fluentbit/*'

%files -f files

%clean

%post
    if [ $1 -eq 2 ]; then
        #   after upgrade, restart service
        eval `%{l_rc} fluentbit status 2>/dev/null`
        [ ".$fluentbit_active" = .yes ] && %{l_rc} fluentbit restart
    fi
    exit 0

%preun
    if [ $1 -eq 0 ]; then
        #   stop service and remove run-time files
        %{l_rc} fluentbit stop 2>/dev/null
        rm -f  $RPM_INSTALL_PREFIX/var/fluentbit/log/* >/dev/null 2>&1 || true
        rm -f  $RPM_INSTALL_PREFIX/var/fluentbit/run/* >/dev/null 2>&1 || true
    fi
    exit 0

