Re: RPM Build ?? My rpm does nothing :(

From: Stuart (stuart_at_sjsears.com)
Date: 03/24/05

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    To: General Red Hat Linux discussion list <redhat-list@redhat.com>
Date: Thu, 24 Mar 2005 20:35:37 +0000

    On Thursday 24 March 2005 17:54, Michael Gale wrote:
    > Hello,
    >
    > I just ran rpm -qpl nrpe-2.0-1.src.rpm and it says that it does not
    > contain files.
    This is because it doesn't.
    your %files section in your .spec file does not list any files at all.
    This is the list that rpm uses to decide which files to package...
    but apart from this there are a few more serious points to consider.
    1. You are building your rpm as root.
    this is a Very Bad Thing, particularly in your case, as you have made a
    couple
    of quite serious errors in your spec file that with a more complex
    package
    could cause major system damage.
    you should build as a non-privileged user.
    this means that you
    a) create a ~/.rpmmacros file which contains a line like
    %_topdir /home/stuart/REDHAT
    b) you then create the directory mentioned above and a few
    subdirectories:
    mkdir -p /home/stuart/REDHAT/{RPMS,SRPMS,BUILD,SOURCES,SPECS}
    you then put the spec/source files into these directories and work
    there. This
    limits the damage you can do to your system with a badly written .spec
    file
    2. you misunderstand (slightly) how the rpm build process works.
    This may be because you have made some simple assumptions about it.
    There is
    very good guide to doing this on http://freshrpms.net somewhere.
    Perhaps
    someone else can supply the complete URL for you.
    I'll show you the part of your spec file that makes me think this:
    # -- extract from spec file
    >%prep
    >%setup
    >./setup-nrpe.sh
    why not the ./configure options that are (presumably) included in the
    setup
    script? RPM is designed to do these things for you.
    incidentally, what precisely does ./setup-nrpe.sh do?

    >%build
    >make RPM_OPT_FLAGS="$RPM_OPT_FLAGS"
    fine

    >%install
    >rm -rf $RPM_BUILD_ROOT
    also ok, but usually done in a %clean section

    >install -s -m 755 src/nrpe /home/nrpe/nrpe
    >chown nrpe:nrpe /home/nrpe/nrpe
    >install -m 644 nrpe.cfg-rpminstall /home/nrpe/nrpe.cfg
    >install -s -m 755 nrpe.init-script /etc/rc.d/init.d/nrpe
    these are the main issues - you are copying files *directly*
    into /home
    and /etc (etc) with these commands.
    what you *should* be doing is something like this:
    mkdir -p $RPM_BUILD_ROOT/home/nrpe/nrpe
    install -s -m 755 src/nrpe $RPM_BUILD_ROOT/home/nrpe/nrpe
    etc etc.
    This is because an rpmbuild does a chrooted install into its buildroot
    and
    expects to find files to package under there.
    doing it the way that you have copies files straight into your live
    fileystem, probably overwriting any that were already there with the
    same name
    doing this as root is extremely hazardous to your system's health.

    >ln -s /etc/rc.d/init.d/nrpe /etc/rc.d/rc3.d/nrpe
    you should really create a chkconfig-compliant init script and add it as
    part
    of a %post scripts in your rpm .spec file. You should also realise that
    this
    script will never actually run as it is not called (something like)
    S88nrpe.
    you would also need to add the user nrpe in a %pre script, or their
    home
    directory will not exist *unless* you create it before you install the
    rpm
    package you are building. This means your rpm will only install on some
    systems and not on others...
    >%clean
    >rm -rf $RPM_BUILD_ROOT

    >%files
    >%defattr(-,root,root)
    Assuming that you install into the $RPM_BUILD_ROOT as designed, this
    should be
    a list of the files you want packaged with the
    RPM_BUILD_ROOT stripped from their paths, ie in your case
    %files
    %defattr(-,root,root)
    /home/nrpe/nrpe
    /home/nrpe/nrpe.cfg
    /etc/rc.d/init.d/nrpe
    bearing in mind that with you %defattr line you have changed the
    ownership on
    all of these files to root:root!

    > On Thu, 2005-03-24 at 10:48 -0700, Michael Gale wrote:
    > > Hello,
    > >
    > > I am trying to build a package for nrpe-2.0, I was following the
    > > instructions at http://www.rpm.org/RPM-HOWTO/build-it.html.
    I would also recommend you look at the RPM articles written by Chip
    Turner in
    past editions of the Red hat Magazine
    http://www.redhat.com/magazine/002dec04/ (and also issue 1 if you can
    find
    it)
    and http://www.rpm.org/max-rpm
    which is rather out of date but there are links to updated CVS versions.

    HTH

    Stuart 

    --
Stuart Sears RHCE, RHCX, RTFM, ASAP
A businessman is a hybrid of a dancer and a calculator.
		-- Paul Valery
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