一直以来都是采用tar包编译安装程序，出现一次大批量安装服务器就over了，还是深入研究了下RPM的打包机制，做个记录，方便以后自己查询。
keepalived-1.2.1-el5.src.rpm.rar - %define keepalived_prefix /usr/local/keepalived
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%define Config keepalived.conf
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%define read_name keepalived
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####自定义函数
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Summary: HA monitor built upon LVS, VRRP and services poller
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####软件包内容提要
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Name: keepalived
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####软件包名
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Version: 1.2.1
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####版本号
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Release: el5
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####软件发布序列号
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License: GPL
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####软件授权方式，通常就是GPL
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Group: Applications/System
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####软件分组
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URL: http://www.keepalived.org/
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####软件的主页
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Packager: Liao Fayou
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####打包者的信息
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Vendor: Linux Lovers
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####发行商或者打包者组织信息
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Source0: http://www.keepalived.org/software/keepalived-%{version}.tar.gz
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Source1: keepalived.conf
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Source2: check_server.sh
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####源代码包
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Patch0: keepalived.init.patch
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Patch1: keepalived.sysconfig.patch
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####补丁源码
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BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
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####构建rpm包时，使用的虚拟跟目录
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Prefix: %{keepalived_prefix}%{_prefix}
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Prefix: %{keepalived_prefix}%{_sysconfdir}
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####这个主要是为了解决今后安装rpm包时，并不一定把软件安装到rpm中打包的目录的情况。这样，必须在这里定义该标识，并在编写%install脚本的时候引用，才能实现rpm安装时重新指定位置的功能
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BuildRequires: openssl-devel
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Requires(post): /sbin/chkconfig
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Requires(preun): /sbin/service, /sbin/chkconfig
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Requires(postun): /sbin/service
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####该RPM包必须依赖的软件，可以使用>=或者<= 来表示特定版本，还有例如PreReq、Requires(pre)、Requires(post)、Requires(preun)、Requires(postun)、BuildRequires等都是针对不同阶段的依赖指定
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#%description -l zh_CN
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#可写中文说明
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%description
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####软件详细说明
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The main goal of the keepalived project is to add a strong & robust keepalive
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facility to the Linux Virtual Server project. This project is written in C with
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multilayer TCP/IP stack checks. Keepalived implements a framework based on
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three family checks : Layer3, Layer4 & Layer5/7. This framework gives the
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daemon the ability to check the state of an LVS server pool. When one of the
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servers of the LVS server pool is down, keepalived informs the linux kernel via
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a setsockopt call to remove this server entry from the LVS topology. In
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addition keepalived implements an independent VRRPv2 stack to handle director
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failover. So in short keepalived is a userspace daemon for LVS cluster nodes
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healthchecks and LVS directors failover.
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%prep
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####预处理脚本
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%setup
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####解压源代码包
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%patch0 -p0
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%patch1 -p0
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####打补丁
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%build
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#%{?el3:export CPPFLAGS="-I/usr/kerberos/include"}
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%configure --disable-lvs-syncd --disable-lvs
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#%{?el3:--includedir="/usr/kerberos/include"}
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# --with-kernel-dir="/lib/modules/%{kernel}/build"
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%{__make} %{?_smp_mflags} STRIP=/bin/true
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####开始构建安装包，也就是源码编译时的./configure ;make
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%install
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%{__rm} -rf %{buildroot}
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#%{__make} install DESTDIR=$RPM_BUILD_ROOT%{keepalived_prefix}
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%{__make} install DESTDIR=%{buildroot}%{keepalived_prefix}
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# Remove "samples", as we include them in %%doc
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%{__install} -p -d -m 0755 %{buildroot}%{keepalived_prefix}%{_docdir}/%{name}-%{version}
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%{__install} -p -m 0644 AUTHOR CONTRIBUTORS COPYING ChangeLog README TODO %{buildroot}%{keepalived_prefix}%{_docdir}/%{name}-%{version}
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%{__install} -p -m 0644 doc/keepalived.conf.SYNOPSIS %{buildroot}%{keepalived_prefix}%{_docdir}/%{name}-%{version}
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%{__install} -p -D -m 0755 %{name}%{_sysconfdir}/init.d/keepalived.init %{buildroot}%{_initrddir}/%{name}
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%{__mv} %{buildroot}%{keepalived_prefix}%{_sysconfdir}/%{name}/%{Config} %{buildroot}%{keepalived_prefix}%{_sysconfdir}/%{name}/%{Config}.default
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%{__install} -p -m 0644 %{SOURCE1} %{buildroot}%{keepalived_prefix}%{_sysconfdir}/%{name}
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%{__install} -p -m 0755 %{SOURCE2} %{buildroot}%{keepalived_prefix}%{_sysconfdir}/%{name}
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%{__rm} -rf %{buildroot}%{_sysconfdir}/keepalived/samples/
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####安装编译好的软件到虚拟跟目录
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%check
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# A build could silently have LVS support disabled if the kernel includes can't
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# be properly found, we need to avoid that.
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## if ! grep -q "IPVS_SUPPORT='_WITH_LVS_'" config.log; then
## echo "ERROR: We do not want keeepalived lacking LVS support."
## exit 1
## fi
%clean
%{__rm} -rf %{buildroot}
%{__rm} -rf $RPM_BUILD_DIR/%{name}-%{version}
####清理临时文件
%post
/sbin/chkconfig --add keepalived
####RPM包安装后要执行的操作
%preun
if [ $1 -eq 0 ]; then
/sbin/service keepalived stop &>/dev/null || :
/sbin/chkconfig --del keepalived
fi
####RPM包卸载前要执行的操作
%postun
if [ $1 -ge 1 ]; then
/sbin/service keepalived condrestart &>/dev/null || :
fi
####RPM包卸载后要执行的操作
%files
%defattr(-, root, root, 0755)
%doc %{keepalived_prefix}%{_docdir}/%{name}-%{version}/*
%doc %{keepalived_prefix}%{_sysconfdir}/keepalived/samples/*
%dir %{keepalived_prefix}%{_sysconfdir}/keepalived/
%attr(0600, root, root) %config(noreplace) %{keepalived_prefix}%{_sysconfdir}/keepalived/keepalived.conf
%attr(0600, root, root) %config(noreplace) %{keepalived_prefix}%{_sysconfdir}/keepalived/%{Config}.default
%attr(0755, root, root) %config(noreplace) %{keepalived_prefix}%{_sysconfdir}/keepalived/check_server.sh
%attr(0600, root, root) %config(noreplace) %{keepalived_prefix}%{_sysconfdir}/sysconfig/keepalived
%{_initrddir}/%{name}
%{keepalived_prefix}%{_sysconfdir}/rc.d/init.d/keepalived
%{keepalived_prefix}%{_bindir}/genhash
%{keepalived_prefix}%{_sbindir}/keepalived
%{keepalived_prefix}%{_mandir}/man1/genhash.1*
%{keepalived_prefix}%{_mandir}/man5/keepalived.conf.5*
%{keepalived_prefix}%{_mandir}/man8/keepalived.8*
####要打包到RPM包中的文件
%changelog
#### 变更日志
* Thu Sep 13 2007 Alexandre Cassen 1.1.14
- Merge work done by freshrpms.net... Thanks guys !!! ;)
* Wed Feb 14 2007 Matthias Saou < 1.1.13-5
- Add missing scriplet requirements.
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