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Old 09-27-2011, 04:45 PM   #1
wills
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Registered: Jun 2008
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RPM spec file to replace existing config files.


I want to build an RPM that I can use to replace existing files on a host to authenticate against LDAP. I'm painfully aware of the fact that I can do the same with a bash script, puppet, etc.

Here is what I have:

Code:
%prep
# no setup

%build
# no building

%install
#rm -rf $RPM_BUILD_ROOT

install -Dp -dm 644 ${RPM_BUILD_ROOT}%{_sysconfdir}/ldap.conf
install -Dp -dm 644 ${RPM_BUILD_ROOT}%{_sysconfdir}/openldap/ldap.conf
install -Dp -dm 644 ${RPM_BUILD_ROOT}%{_sysconfdir}/pam.d/system-auth
install -Dp -dm 644 ${RPM_BUILD_ROOT}%{_sysconfdir}/nsswitch.conf

%clean
rm -rf $RPM_BUILD_ROOT

%files
%defattr(-,root,root,-)
%config %{_sysconfdir}/openldap/ldap.conf
%config %{_sysconfdir}/ldap.conf
%config %{_sysconfdir}/pam.d/system-auth
%config %{_sysconfdir}/nsswitch.conf
This does not work because it conflicts with file from existing OS package (e.g. Glibc, openldap, etc.). Is there a way to safely backup the existing files, and then replace them with my own?

Should I be using the Patch method instead?
 
Old 09-27-2011, 05:59 PM   #2
unSpawn
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Quote:
Originally Posted by wills View Post
This does not work because it conflicts with file from existing OS package (e.g. Glibc, openldap, etc.). Is there a way to safely backup the existing files, and then replace them with my own?
Obviously it should conflict as those config files are managed by RPM (%config). To understand what happens in terms of backing up config files see for instance this (couldn't locate it quickly in the official RPM docs).


Quote:
Originally Posted by wills View Post
Should I be using the Patch method instead?
In short: yes.
 
Old 09-29-2011, 05:08 AM   #3
mikey99
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Registered: Nov 2008
Location: UK
Distribution: RHEL, Fedora
Posts: 68

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Using rpm to manage config files is wrong wrong wrong :-) It may not be as easy as you think.

However, if you really want to do it, take a look at this presentation for ideas.

RPM-ifying-System-Configurations.pdf

Mike...
 
  


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