- Add a kdump sysconfig file and init script
- Spec file additions for pre/post install/uninstall
This commit is contained in:
Jeffrey E. Moyer
parent
fdf6316037
commit
0112f3628c
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#! /bin/sh
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#
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# kdump
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#
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# Description: The kdump init script provides the support necessary for
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# loading a kdump kernel into memory at system bootup time,
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# and for copying away a vmcore at system panic time.
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#
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# Copyright 2005 Red Hat, Inc.
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#
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# chkconfig: 2345 20 80
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#
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# Author: Jeff Moyer <jmoyer@redhat.com>
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# Source function library.
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. /etc/init.d/functions
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KEXEC=/usr/sbin/kexec
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# Will be different for ia64, for example. For now, that architecture isn't
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# supported. Code needs to be added here when we do.
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BOOTDIR="/boot"
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KDUMP_KERNELVER=""
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KDUMP_COMMANDLINE=""
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# KEXEC_HEADERS will not be in the sysconfig file by default
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KEXEC_HEADERS="--elf32-core-headers"
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KEXEC_ARGS=""
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standard_kexec_args="-p --args-linux"
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if [ -f /etc/sysconfig/kdump ]; then
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. /etc/sysconfig/kdump
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fi
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function save_core()
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{
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coredir="/var/crash/`date +"%Y-%m-%d-%H:%M"`"
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mkdir -p $coredir
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cp /proc/vmcore $coredir/vmcore
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}
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# Load the kdump kerel specified in /etc/sysconfig/kdump
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# If none is specified, try to load a kdump kernel with the same version
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# as the currently running kernel.
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function load_kdump()
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{
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if [ -z "$KDUMP_KERNELVER" ]; then
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local running_kernel=`uname -r`
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kdump_kver=`echo $running_kernel | sed 's/smp//g'`
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kdump_kver="${kdump_kver}kdump"
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else
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kdump_kver=$KDUMP_KERNELVER
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fi
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kdump_kernel="${BOOTDIR}/vmlinux-${kdump_kver}"
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kdump_initrd="${BOOTDIR}/initrd-${kdump_kver}.img"
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if [ ! -f $kdump_kernel ]; then
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echo "No kdump kernel image found."
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echo "Tried to locate ${kdump_kernel}"
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return 1
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fi
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if [ ! -f $kdump_initrd ]; then
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echo "No kdump initial ramdisk found."
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echo "Tried to locate ${kdump_initrd}"
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return 1
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fi
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if [ -z "$KDUMP_COMMANDLINE" ]; then
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KDUMP_COMMANDLINE=`cat /proc/cmdline`
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KDUMP_COMMANDLINE=`echo $KDUMP_COMMANDLINE | sed -e 's/crashkernel=[0-9]\+M@[0-9]\+M//g'`
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fi
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$KEXEC $KEXEC_ARGS $standard_kexec_args $KEXEC_HEADERS \
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"--command-line=\"$KDUMP_COMMANDLINE\"" \
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--initrd=$kdump_initrd $kdump_kernel
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}
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case "$1" in
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start)
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if [ -f /proc/vmcore ]; then
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save_core
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reboot
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else
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load_kdump
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fi
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;;
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stop)
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$KEXEC -u
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;;
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status)
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echo "not implemented"
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;;
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restart)
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echo "not implemented"
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;;
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condrestart)
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;;
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*)
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echo $"Usage: $0 {start|stop|status|restart}"
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exit 1
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esac
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exit $?
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@ -0,0 +1,16 @@
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# Kernel Version string for the -kdump kernel, such as 2.6.13-1544.FC5kdump
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# If no version is specified, then the init script will try to find a
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# kdump kernel with the same version number as the running kernel.
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KDUMP_KERNELVER=""
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# The kdump commandline is the command line that needs to be passed off to
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# the kdump kernel. This will likely match the contents of the grub kernel
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# line. For example:
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# KDUMP_COMMANDLINE="ro root=LABEL=/"
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# If a command line is not specified, the default will be taken from
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# /proc/cmdline
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KDUMP_COMMANDLINE=""
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# Any additional kexec arguments required. In most situations, this should
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# be left empty
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KEXEC_ARGS=""
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@ -1,11 +1,13 @@
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Name: kexec-tools
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Version: 1.101
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Release: 2
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Release: 3
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License: GPL
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Group: Applications/System
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Summary: The kexec/kdump userspace component.
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ExclusiveArch: %{ix86}
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Source0: %{name}-%{version}.tar.gz
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Source1: kdump.init
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Source2: kdump.sysconfig
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BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-buildroot
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#
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@ -37,6 +39,9 @@ component of the kernel's kexec feature.
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rm -f ../kexec-tools-1.101.spec
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%patch1 -p1
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cp $RPM_SOURCE_DIR/kdump.init .
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cp $RPM_SOURCE_DIR/kdump.sysconfig .
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%build
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%configure
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rm -f kexec-tools.spec.in
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@ -45,19 +50,44 @@ make
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%install
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rm -rf $RPM_BUILD_ROOT
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make install DESTDIR=$RPM_BUILD_ROOT
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mkdir -p -m755 $RPM_BUILD_ROOT/etc/rc.d/init.d
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mkdir -p -m755 $RPM_BUILD_ROOT/etc/sysconfig
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install -m 644 kdump.sysconfig $RPM_BUILD_ROOT/etc/sysconfig/kdump
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install -m 755 kdump.init $RPM_BUILD_ROOT/etc/rc.d/init.d/kdump
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%clean
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rm -rf $RPM_BUILD_ROOT
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%post
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chkconfig --add kdump
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%postun
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if [ "$1" -ge 1 ]; then
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/sbin/service kdump condrestart > /dev/null 2>&1 || :
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fi
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%preun
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if [ "$1" = 0 ]; then
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/sbin/service kdump stop > /dev/null 2>&1 || :
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/sbin/chkconfig --del kdump
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fi
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exit 0
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%files
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%defattr(-,root,root,-)
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%{_sbindir}/kexec
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%{_sbindir}/kdump
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%{_libdir}/kexec-tools/kexec_test
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%config(noreplace,missingok) /etc/sysconfig/kdump
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%config /etc/rc.d/init.d/kdump
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%doc News
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%doc COPYING
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%doc TODO
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%changelog
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* Thu Aug 25 2005 Ananth Mavinakayanahalli <amavin@redhat.com>
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* Fri Sep 23 2005 Jeff Moyer <jmoyer@redhat.com> - 1.101-3
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- Add a kdump sysconfig file and init script
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- Spec file additions for pre/post install/uninstall
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* Thu Aug 25 2005 Jeff Moyer <jmoyer@redhat.com>
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- Initial prototype for RH/FC5
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