zfs/scripts/kmodtool

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#!/bin/bash
# kmodtool - Helper script for building kernel module RPMs
# Copyright (c) 2003-2012 Ville Skyttä <ville.skytta@iki.fi>,
# Thorsten Leemhuis <fedora@leemhuis.info>
# Nicolas Chauvet <kwizart@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
shopt -s extglob
myprog="kmodtool-${repo}"
myver="0.12.1"
kmodname=
build_kernels="current"
kernels_known_variants=
kernel_versions=
kernel_versions_to_build_for=
prefix=
filterfile=
target=
error_out()
{
local errorlevel=${1}
shift
echo "Error: $@" >&2
# the next line is not multi-line safe -- not needed *yet*
echo "%global kmodtool_check echo \"kmodtool error: $@\"; exit ${errorlevel};"
exit ${errorlevel}
}
print_rpmtemplate_header()
{
echo
echo '%global kmodinstdir_prefix '${prefix}/lib/modules/
echo '%global kmodinstdir_postfix '/extra/${kmodname}/
echo '%global kernel_versions '${kernel_versions}
echo
}
print_akmodtemplate ()
{
echo
cat <<EOF
%global akmod_install mkdir -p \$RPM_BUILD_ROOT/%{_usrsrc}/akmods/; \\\
rpmbuild --define "_sourcedir %{_sourcedir}" \\\
--define "_srcrpmdir \$RPM_BUILD_ROOT/%{_usrsrc}/akmods/" \\\
-bs --nodeps %{_specdir}/%{name}.spec ; \\\
ln -s \$(ls \$RPM_BUILD_ROOT/%{_usrsrc}/akmods/) \$RPM_BUILD_ROOT/%{_usrsrc}/akmods/${kmodname}-kmod.latest
%package -n akmod-${kmodname}
Summary: Akmod package for ${kmodname} kernel module(s)
Group: System Environment/Kernel
Requires: kmodtool
Requires: akmods
%{?AkmodsBuildRequires:Requires: %{AkmodsBuildRequires}}
# same requires and provides as a kmods package would have
Requires: ${kmodname}-kmod-common >= %{?epoch:%{epoch}:}%{version}
Provides: ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
EOF
if [[ ${obsolete_name} ]]; then
echo "Provides: akmod-${obsolete_name} = ${obsolete_version}"
echo "Obsoletes: akmod-${obsolete_name} < ${obsolete_version}"
fi
cat <<EOF
%description -n akmod-${kmodname}
This package provides the akmod package for the ${kmodname} kernel modules.
%posttrans -n akmod-${kmodname}
nohup ${prefix}/sbin/akmods --from-akmod-posttrans --akmod ${kmodname} &> /dev/null &
%files -n akmod-${kmodname}
%defattr(-,root,root,-)
%{_usrsrc}/akmods/*
EOF
}
print_akmodmeta ()
{
cat <<EOF
%package -n kmod-${kmodname}
Summary: Metapackage which tracks in ${kmodname} kernel module for newest kernel${dashvariant}
Group: System Environment/Kernel
Provides: ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
Provides: kmod-${kmodname}-xen = %{?epoch:%{epoch}:}%{version}-%{release}
Provides: kmod-${kmodname}-smp = %{?epoch:%{epoch}:}%{version}-%{release}
Provides: kmod-${kmodname}-PAE = %{?epoch:%{epoch}:}%{version}-%{release}
Requires: akmod-${kmodname} = %{?epoch:%{epoch}:}%{version}-%{release}
EOF
if [[ ${obsolete_name} ]]; then
echo "Provides: kmod-${obsolete_name} = ${obsolete_version}"
echo "Obsoletes: kmod-${obsolete_name} < ${obsolete_version}"
fi
cat <<EOF
%description -n kmod-${kmodname}${dashvariant}
This is a meta-package without payload which sole purpose is to require the
${kmodname} kernel module(s) for the newest kernel${dashvariant},
to make sure you get it together with a new kernel.
%files -n kmod-${kmodname}${dashvariant}
%defattr(644,root,root,755)
EOF
}
print_rpmtemplate_per_kmodpkg ()
{
if [[ "${1}" == "--custom" ]]; then
shift
local customkernel=true
elif [[ "${1}" == "--redhat" ]]; then
# this is needed for akmods
shift
local redhatkernel=true
fi
local kernel_uname_r=${1}
local kernel_variant="${2:+-${2}}"
# first part
cat <<EOF
%package -n kmod-${kmodname}-${kernel_uname_r}
Summary: ${kmodname} kernel module(s) for ${kernel_uname_r}
Group: System Environment/Kernel
Provides: kernel-modules-for-kernel = ${kernel_uname_r}
Provides: kmod-${kmodname}-uname-r = ${kernel_uname_r}
Provides: ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
Requires: ${kmodname}-kmod-common >= %{?epoch:%{epoch}:}%{version}
Requires(post): ${prefix}/sbin/depmod
Requires(postun): ${prefix}/sbin/depmod
%{?KmodsRequires:Requires: %{KmodsRequires}-uname-r = ${kernel_uname_r}}
%{?KmodsBuildRequires:BuildRequires: %{KmodsBuildRequires}-uname-r = ${kernel_uname_r}}
%{?KmodsBuildRequires:BuildRequires: %{KmodsBuildRequires}}
EOF
if [[ ${obsolete_name} ]]; then
echo "Provides: kmod-${obsolete_name}-${kernel_uname_r} = ${obsolete_version}"
echo "Obsoletes: kmod-${obsolete_name}-${kernel_uname_r} < ${obsolete_version}"
fi
# second part
if [[ ! "${customkernel}" ]]; then
cat <<EOF
Requires: kernel-uname-r = ${kernel_uname_r}
BuildRequires: kernel-devel-uname-r = ${kernel_uname_r}
%post -n kmod-${kmodname}-${kernel_uname_r}
${prefix}/sbin/depmod -aeF /boot/System.map-${kernel_uname_r} ${kernel_uname_r} > /dev/null || :
%postun -n kmod-${kmodname}-${kernel_uname_r}
${prefix}/sbin/depmod -aF /boot/System.map-${kernel_uname_r} ${kernel_uname_r} &> /dev/null || :
EOF
else
cat <<EOF
%post -n kmod-${kmodname}-${kernel_uname_r}
[[ "$(uname -r)" == "${kernel_uname_r}" ]] && ${prefix}/sbin/depmod -a > /dev/null || :
%postun -n kmod-${kmodname}-${kernel_uname_r}
[[ "$(uname -r)" == "${kernel_uname_r}" ]] && ${prefix}/sbin/depmod -a > /dev/null || :
EOF
fi
# third part
cat <<EOF
%description -n kmod-${kmodname}-${kernel_uname_r}
This package provides the ${kmodname} kernel modules built for the Linux
kernel ${kernel_uname_r} for the %{_target_cpu} family of processors.
%files -n kmod-${kmodname}-${kernel_uname_r}
%defattr(644,root,root,755)
%dir $prefix/lib/modules/${kernel_uname_r}/extra
${prefix}/lib/modules/${kernel_uname_r}/extra/${kmodname}/
EOF
}
print_rpmtemplate_kmoddevelpkg ()
{
cat <<EOF
%package -n kmod-${kmodname}-devel
Summary: ${kmodname} kernel module(s) devel common
Group: System Environment/Kernel
Provides: ${kmodname}-devel-kmod-common = %{?epoch:%{epoch}:}%{version}-%{release}
%description -n kmod-${kmodname}-devel
This package provides the common header files to build kernel modules
which depend on the ${kmodname} kernel module.
%files -n kmod-${kmodname}-devel
%defattr(644,root,root,755)
%{_usrsrc}/${kmodname}-%{version}
EOF
for kernel in ${1}; do
local kernel_uname_r=${kernel}
echo "%exclude %{_usrsrc}/${kmodname}-%{version}/${kernel_uname_r}"
done
echo
echo
}
print_rpmtemplate_per_kmoddevelpkg ()
{
if [[ "${1}" == "--custom" ]]; then
shift
local customkernel=true
elif [[ "${1}" == "--redhat" ]]; then
# this is needed for akmods
shift
local redhatkernel=true
fi
local kernel_uname_r=${1}
local kernel_variant="${2:+-${2}}"
cat <<EOF
%package -n kmod-${kmodname}-devel-${kernel_uname_r}
Summary: ${kmodname} kernel module(s) devel for ${kernel_uname_r}
Group: System Environment/Kernel
Requires: ${kmodname}-devel-kmod-common = %{?epoch:%{epoch}:}%{version}-%{release}
Provides: kmod-${kmodname}-devel-uname-r = ${kernel_uname_r}
EOF
# second part
if [[ ! "${customkernel}" ]]; then
cat <<EOF
Requires: kernel-uname-r = ${kernel_uname_r}
BuildRequires: kernel-devel-uname-r = ${kernel_uname_r}
EOF
fi
cat <<EOF
%description -n kmod-${kmodname}-devel-${kernel_uname_r}
This package provides objects and symbols required to build kernel modules
which depend on the ${kmodname} kernel modules built for the Linux
kernel ${kernel_uname_r} for the %{_target_cpu} family of processors.
%files -n kmod-${kmodname}-devel-${kernel_uname_r}
%defattr(644,root,root,755)
%{_usrsrc}/${kmodname}-%{version}/${kernel_uname_r}
EOF
}
print_rpmtemplate_kmodmetapkg ()
{
local kernel_uname_r=${1}
local kernel_variant="${2:+-${2}}"
cat <<EOF
%package -n kmod-${kmodname}${kernel_variant}
Summary: Metapackage which tracks in ${kmodname} kernel module for newest kernel${kernel_variant}
Group: System Environment/Kernel
Provides: ${kmodname}-kmod = %{?epoch:%{epoch}:}%{version}-%{release}
Requires: kmod-${kmodname}-${kernel_uname_r} >= %{?epoch:%{epoch}:}%{version}-%{release}
EOF
if [[ ${obsolete_name} ]]; then
echo "Provides: kmod-${obsolete_name}${kernel_variant} = ${obsolete_version}"
echo "Obsoletes: kmod-${obsolete_name}${kernel_variant} < ${obsolete_version}"
fi
cat <<EOF
%description -n kmod-${kmodname}${kernel_variant}
This is a meta-package without payload which sole purpose is to require the
${kmodname} kernel module(s) for the newest kernel${kernel_variant}.
to make sure you get it together with a new kernel.
%files -n kmod-${kmodname}${kernel_variant}
%defattr(644,root,root,755)
EOF
}
print_customrpmtemplate ()
{
for kernel in ${1}
do
if [[ -e "/usr/src/kernels/${kernel}" ]] ; then
# this looks like a Fedora/RH kernel -- print a normal template (which includes the proper BR) and be happy :)
kernel_versions="${kernel_versions}${kernel}___%{_usrsrc}/kernels/${kernel} "
# parse kernel versions string and print template
local kernel_verrelarch=${kernel%%${kernels_known_variants}}
print_rpmtemplate_per_kmodpkg --redhat ${kernel} ${kernel##${kernel_verrelarch}}
# create development package
if [[ "${devel}" ]]; then
print_rpmtemplate_per_kmoddevelpkg --redhat ${kernel} ${kernel##${kernel_verrelarch}}
fi
elif [[ -e ${prefix}/lib/modules/"${kernel}"/build/Makefile ]] ; then
# likely a user-build-kernel with available buildfiles
# fixme: we should check if uname from Makefile is the same as ${kernel}
kernel_versions="${kernel_versions}${kernel}___${prefix}/lib/modules/${kernel}/build/ "
print_rpmtemplate_per_kmodpkg --custom "${kernel}"
# create development package
if [[ "${devel}" ]]; then
print_rpmtemplate_per_kmoddevelpkg --custom "${kernel}"
fi
else
error_out 2 "Don't know how to handle ${kernel} -- ${prefix}/lib/modules/${kernel}/build/Makefile not found"
fi
done
# create common development package
if [[ "${devel}" ]]; then
print_rpmtemplate_kmoddevelpkg "${1}"
fi
# well, it's no header anymore, but who cares ;-)
print_rpmtemplate_header
}
print_rpmtemplate ()
{
# create kernel_versions var
for kernel_version in ${kernel_versions_to_build_for}
do
kernel_versions="${kernel_versions}${kernel_version}___%{_usrsrc}/kernels/${kernel_version} "
done
# and print it and some other required stuff as macro
print_rpmtemplate_header
# now print the packages itselfs
for kernel in ${kernel_versions_to_build_for} ; do
local kernel_verrelarch=${kernel%%${kernels_known_variants}}
# create metapackage
print_rpmtemplate_kmodmetapkg ${kernel} ${kernel##${kernel_verrelarch}}
# create package
print_rpmtemplate_per_kmodpkg ${kernel} ${kernel##${kernel_verrelarch}}
# create development package
if [[ "${devel}" ]]; then
print_rpmtemplate_per_kmoddevelpkg ${kernel} ${kernel##${kernel_verrelarch}}
fi
done
# create common development package
if [[ "${devel}" ]]; then
print_rpmtemplate_kmoddevelpkg "${1}"
fi
}
myprog_help ()
{
echo "Usage: $(basename ${0}) [OPTIONS]"
echo $'\n'"Creates a template to be used during kmod building"
echo $'\n'"Available options:"
# FIXME echo " --datadir <dir> -- look for our shared files in <dir>"
echo " --filterfile <file> -- filter the results with grep --file <file>"
echo " --for-kernels <list> -- created templates only for these kernels"
echo " --kmodname <file> -- name of the kmod (required)"
echo " --devel -- make kmod-devel package"
echo " --noakmod -- no akmod package"
echo " --repo <name> -- use buildsys-build-<name>-kerneldevpkgs"
echo " --target <arch> -- target-arch (required)"
}
while [ "${1}" ] ; do
case "${1}" in
--filterfile)
shift
if [[ ! "${1}" ]] ; then
error_out 2 "Please provide path to a filter-file together with --filterfile" >&2
elif [[ ! -e "${1}" ]]; then
error_out 2 "Filterfile ${1} not found" >&2
fi
filterfile="${1}"
shift
;;
--kmodname)
shift
if [[ ! "${1}" ]] ; then
error_out 2 "Please provide the name of the kmod together with --kmodname" >&2
fi
# strip pending -kmod
kmodname="${1%%-kmod}"
shift
;;
--devel)
shift
devel="true"
;;
--prefix)
shift
if [[ ! "${1}" ]] ; then
error_out 2 "Please provide a prefix with --prefix" >&2
fi
prefix="${1}"
shift
;;
--repo)
shift
if [[ ! "${1}" ]] ; then
error_out 2 "Please provide the name of the repo together with --repo" >&2
fi
repo=${1}
shift
;;
--for-kernels)
shift
if [[ ! "${1}" ]] ; then
error_out 2 "Please provide the name of the kmod together with --kmodname" >&2
fi
for_kernels="${1}"
shift
;;
--noakmod)
shift
noakmod="true"
;;
--obsolete-name)
shift
if [[ ! "${1}" ]] ; then
error_out 2 "Please provide the name of the kmod to obsolte together with --obsolete-name" >&2
fi
obsolete_name="${1}"
shift
;;
--obsolete-version)
shift
if [[ ! "${1}" ]] ; then
error_out 2 "Please provide the version of the kmod to obsolte together with --obsolete-version" >&2
fi
obsolete_version="${1}"
shift
;;
--target)
shift
target="${1}"
shift
;;
--akmod)
shift
build_kernels="akmod"
;;
--newest)
shift
build_kernels="newest"
;;
--current)
shift
build_kernels="current"
;;
--help)
myprog_help
exit 0
;;
--version)
echo "${myprog} ${myver}"
exit 0
;;
*)
echo "Error: Unknown option '${1}'." >&2
usage >&2
exit 2
;;
esac
done
if [[ -e ./kmodtool-kernel-variants ]]; then
kernels_known_variants="$(cat ./kmodtool-kernel-variants)"
elif [[ -e /usr/share/kmodtool/kernel-variants ]] ; then
kernels_known_variants="$(cat /usr/share/kmodtool/kernel-variants)"
else
kernels_known_variants="@(smp?(-debug)|PAE?(-debug)|debug|kdump|xen|kirkwood|highbank|imx|omap|tegra)"
fi
# general sanity checks
if [[ ! "${target}" ]]; then
error_out 2 "please pass target arch with --target"
elif [[ ! "${kmodname}" ]]; then
error_out 2 "please pass kmodname with --kmodname"
elif [[ ! "${kernels_known_variants}" ]] ; then
error_out 2 "could not determine known variants"
elif ( [[ "${obsolete_name}" ]] && [[ ! "${obsolete_version}" ]] ) || ( [[ ! "${obsolete_name}" ]] && [[ "${obsolete_version}" ]] ) ; then
error_out 2 "you need to provide both --obsolete-name and --obsolete-version"
fi
# go
if [[ "${for_kernels}" ]]; then
# this is easy:
print_customrpmtemplate "${for_kernels}"
elif [[ "${build_kernels}" == "akmod" ]]; then
# do only a akmod package
print_akmodtemplate
print_akmodmeta
else
# seems we are on out own to decide for which kernels to build
# we need more sanity checks in this case
if [[ ! "${repo}" ]]; then
error_out 2 "please provide repo name with --repo"
elif ! $(which buildsys-build-${repo}-kerneldevpkgs &> /dev/null) ; then
error_out 2 "buildsys-build-${repo}-kerneldevpkgs not found"
fi
# call buildsys-build-${repo}-kerneldevpkgs to get the list of kernels
cmdoptions="--target ${target}"
# filterfile to filter list of kernels?
if [[ "${filterfile}" ]] ; then
cmdoptions="${cmdoptions} --filterfile ${filterfile}"
fi
kernel_versions_to_build_for="$(buildsys-build-${repo}-kerneldevpkgs --${build_kernels} ${cmdoptions})"
returncode=$?
if (( ${returncode} != 0 )); then
error_out 2 "buildsys-build-${repo}-kerneldevpkgs failed: $(buildsys-build-${repo}-kerneldevpkgs --${build_kernels} ${cmdoptions})"
fi
if [[ "${build_kernels}" == "current" ]] && [[ ! "${noakmod}" ]]; then
print_akmodtemplate
fi
print_rpmtemplate
fi