openpkg-packages/hadoop/hadoop.spec

##
##  hadoop.spec -- OpenPKG RPM Package Specification
##  Copyright (c) 2000-2020 OpenPKG Project <http://openpkg.org/>
##
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##

#   package version
%define       V_opkg 3.2.1
%define       V_dist 3.2.1

#   package information
Name:         hadoop
Summary:      Distributed Storage Engine
URL:          http://hadoop.apache.org/
Vendor:       Apache Software Foundation
Packager:     OpenPKG Project
Distribution: OpenPKG Community
Class:        EVAL
Group:        Filesystem
License:      Apache
Version:      %{V_opkg}
Release:      20190923

#   list of sources
Source0:      http://www.apache.org/dist/hadoop/common/hadoop-%{V_dist}/hadoop-%{V_dist}.tar.gz
Source1:      rc.hadoop
Source2:      hadoop.sh

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

%description
    The Apache Hadoop software library is a framework that allows for
    the distributed processing of large data sets across clusters of
    computers using a simple programming model. It is designed to scale
    up from single servers to thousands of machines, each offering
    local computation and storage. Rather than rely on hardware to
    deliver high-avaiability, the library itself is designed to detect
    and handle failures at the application layer, so delivering a
    highly-availabile service on top of a cluster of computers, each of
    which may be prone to failures.

%track
    prog hadoop = {
        version   = %{V_dist}
        url       = http://www.apache.org/dist/hadoop/common/
        regex     = hadoop-(\d+\.\d+\.\d+)/
    }

%prep
    %setup -q -n hadoop-%{V_dist}

%build
    rm -rf "c++"
    rm -rf lib/native
    rm -rf src
    rm -f *.txt
    rm -f *.xml
    rm -f "share/hadoop/yarn/webapps/ui2/assets/images/datatables/Sorting icons.psd"

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

    #   install configuration
    cp -r etc/hadoop/* $RPM_BUILD_ROOT%{l_prefix}/etc/hadoop/

    #   strip down installation
    rm -rf etc
    rm -rf share/doc

    #   install program
    cp -r * $RPM_BUILD_ROOT%{l_prefix}/libexec/hadoop/

    #   install wrapper startup script
    %{l_shtool} install -c -m 755 %{l_value -s -a} \
        %{SOURCE hadoop.sh} $RPM_BUILD_ROOT%{l_prefix}/bin/hadoop

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

%files -f files

%clean

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

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