##
##  fluentbit.spec -- OpenPKG RPM Package Specification
##  Copyright (c) 2000-2022 OpenPKG Project <http://openpkg.org/>
##
##  Permission to use, copy, modify, and distribute this software for
##  any purpose with or without fee is hereby granted, provided that
##  the above copyright notice and this permission notice appear in all
##  copies.
##
##  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
##  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
##  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
##  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
##  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
##  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
##  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
##  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
##  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
##  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
##  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
##  SUCH DAMAGE.
##

#   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