##
##  traefik.spec -- OpenPKG RPM Package Specification
##  Copyright (c) 2000-2021 OpenPKG Project <http://openpkg.org/>
##
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##  any purpose with or without fee is hereby granted, provided that
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##
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##  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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##

#   package version
%define       V_traefik_base 2.5.2
%define       V_traefik_snap 20210902

#   package information
Name:         traefik
Summary:      Reverse Proxy Based on EtcD/Consul
URL:          https://traefik.io/
Vendor:       Emile Vough
Packager:     OpenPKG Project
Distribution: OpenPKG Community
Class:        EVAL
Group:        Networking
License:      MIT
Version:      %{V_traefik_base}.%{V_traefik_snap}
Release:      20210902

#   list of sources
Source0:      http://download.openpkg.org/components/versioned/traefik/traefik-%{V_traefik_snap}.tar.xz
Source1:      rc.traefik
Source2:      traefik.toml
Patch0:       traefik.patch

#   build information
BuildPreReq:  OpenPKG, openpkg >= 20160101, go, go-bindata
PreReq:       OpenPKG, openpkg >= 20160101

%description
    Traefik is a reverse proxy for HTTP API management and
    microservices. It uses Etcd or Consul as a configuration backend, so
    changes to configuration take effect immediately without restarting
    the service.

%track
    prog traefik:release = {
        version   = %{V_traefik_base}
        url       = https://github.com/containous/traefik/releases
        regex     = v(\d+\.\d+\.\d+)\.tar\.gz
    }
    prog traefik:snapshot = {
        version   = %{V_traefik_snap}
        url       = http://download.openpkg.org/components/versioned/traefik/
        regex     = traefik-(__VER__)\.tar\.xz
    }

%prep
    %setup -q -n traefik
    %patch -p0

%build
    #   build program
    export GOPATH=`pwd`
    cd src/github.com/containous/traefik
    %{l_bash} script/generate
    %{l_bash} script/binary

%install
    #   create directory 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/traefik \
        $RPM_BUILD_ROOT%{l_prefix}/var/traefik/run \
        $RPM_BUILD_ROOT%{l_prefix}/var/traefik/log

    #   install program
    %{l_shtool} install -c -s -m 755 \
        src/github.com/containous/traefik/dist/traefik \
        $RPM_BUILD_ROOT%{l_prefix}/sbin/

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

    #   install run-command script
    %{l_shtool} install -c -m 755 %{l_value -s -a} \
        %{SOURCE rc.traefik} $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/traefik/*' \
        '%attr(-,%{l_rusr},%{l_rgrp}) %{l_prefix}/var/traefik/*'

%files -f files

%clean

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

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