##
##  skydns.spec -- OpenPKG RPM Package Specification
##  Copyright (c) 2000-2025 OpenPKG Project <http://openpkg.org/>
##
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##

#   package version
%define       V_opkg  2.5.3a
%define       V_dist  20171203

#   package information
Name:         skydns
Summary:      Authoritative DNS Server based on ETCD
URL:          https://github.com/skynetservices/skydns
Vendor:       Erik St. Martin, Brian Ketelsen, Miek Gieben, Michael Crosby
Packager:     OpenPKG Project
Distribution: OpenPKG Community
Class:        EVAL
Group:        Networking
License:      MIT
Version:      %{V_opkg}
Release:      20171204

#   list of sources
Source0:      http://download.openpkg.org/components/versioned/skydns/skydns-%{V_dist}.tar.gz
Source1:      rc.skydns
Patch0:       skydns.patch

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

%description
    SkyDNS is a distributed service for announcement and discovery of
    services built on top of etcd. It utilizes DNS queries to discover
    available services. This is done by leveraging SRV records in DNS,
    with special meaning given to subdomains, priorities and weights.

%track
    prog skydns = {
        version   = %{version}
        url       = https://github.com/skynetservices/skydns/releases
        regex     = (__VER__)\.tar\.gz
    }

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

%build
    #   build program
    rm -rf bin pkg
    rm -rf src/github.com/coreos/go-systemd/examples
    export GOPATH=`pwd`
    (   cd src/github.com/skynetservices/skydns
        go build -x
    ) || exit $?

%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}/var/skydns/run \
        $RPM_BUILD_ROOT%{l_prefix}/var/skydns/log

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

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

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

%files -f files

%clean

%post
    #   after upgrade, restart service
    [ $1 -eq 2 ] || exit 0
    eval `%{l_rc} skydns status 2>/dev/null`
    [ ".$skydns_active" = .yes ] && %{l_rc} skydns restart
    exit 0

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

