# https://ambari.apache.org/docs/3.0.0/ambari-dev/building-from-source
# build environment should be Red Hat

Name:    ambari-metrics
Version: 3.0.0
Release: 1.1%{?dist}
Summary: Apache Ambari Metrics
License: Apache-2.0
URL:     https://ambari.apache.org

%global baseurl       https://downloads.apache.org/ambari/ambari-metrics-%{version}
%global archive_name  apache-ambari-metrics-%{version}-src
%global archive_file  %{archive_name}.tar.gz
%global sig_file      %{archive_file}.asc

Source0: %{baseurl}/%{archive_file}
Source1: %{baseurl}/%{sig_file}
Source2: https://raw.githubusercontent.com/apache/ambari/refs/heads/trunk/KEYS

BuildRequires: python3
BuildRequires: python3-devel
BuildRequires: python-unversioned-command
BuildRequires: java-1.8.0-openjdk-devel
BuildRequires: maven
BuildRequires: snappy-devel
BuildRequires: rpm-build
BuildRequires: gcc
BuildRequires: gpgverify

%description
Ambari Metrics System is a system for collecting, aggregating, serving and visualizing daemon and system metrics in Ambari-managed

%prep
# Zhiguo Wu from Apache Bigtop team signed the apache-ambari-metrics-3.0.0 tarball
# accept that key too
gpg --keyserver keyserver.ubuntu.com --recv-keys D3D5CF25076873C9AA068C0D8F062A5450E25685
gpg --export --export-options export-minimal --armor D3D5CF25076873C9AA068C0D8F062A5450E25685 >> %{SOURCE2}
# verify signature
%{gpgverify} --keyring=%{SOURCE2} --signature=%{SOURCE1} --data=%{SOURCE0}
# unpack Source0
%setup -q -n %{archive_name}

%build
export JAVA_HOME=/usr/lib/jvm/java-1.8.0
export PATH="$JAVA_HOME/bin:$PATH"

# run the build
# parallel execution is disabled due to non-thread-safe plugins
# packaging is done by Maven
mvn -e -B clean install -DskipTests -Dbuild-rpm

# packaging is finished
# copy packages in output directory
# Fedora Copr will sign and publish them
mkdir -p %{_rpmdir}
find %{_builddir} -type f -name "*.rpm" -exec cp -- {} %{_rpmdir}/ \;

%changelog
* Thu Apr 02 2026 Detlef Eppers <redacted email> - 1.0
- Initial version
* Fri Apr 10 2026 Detlef Eppers <detlef.eppers@protonmail.com> - 1.1
- Update email address, comments