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#!/bin/bash
. /etc/sysconfig/kdump
. /lib/kdump/kdump-lib.sh
KDUMP_KERNEL=""
KDUMP_INITRD=""
check() {
if [ ! -f /etc/sysconfig/kdump ] || [ ! -f /lib/kdump/kdump-lib.sh ]\
|| [ -n "${IN_KDUMP}" ]
then
return 1
fi
return 255
}
depends() {
echo "base shutdown"
return 0
}
prepare_kernel_initrd() {
KDUMP_BOOTDIR=$(check_boot_dir "${KDUMP_BOOTDIR}")
if [ -z "$KDUMP_KERNELVER" ]; then
kdump_kver=`uname -r`
if [ "$kernel" != "$kdump_kver" ]; then
dwarn "Using current kernel version '$kdump_kver' for early kdump," \
"but the initramfs is generated for kernel version '$kernel'"
fi
else
kdump_kver=$KDUMP_KERNELVER
fi
KDUMP_KERNEL="${KDUMP_BOOTDIR}/${KDUMP_IMG}-${kdump_kver}${KDUMP_IMG_EXT}"
KDUMP_INITRD="${KDUMP_BOOTDIR}/initramfs-${kdump_kver}kdump.img"
}
install() {
prepare_kernel_initrd
if [ ! -f "$KDUMP_KERNEL" ]; then
derror "Could not find required kernel for earlykdump," \
"earlykdump will not work!"
return 1
fi
if [ ! -f "$KDUMP_INITRD" ]; then
derror "Could not find required kdump initramfs for earlykdump," \
"please ensure kdump initramfs is generated first," \
"earlykdump will not work!"
return 1
fi
inst_multiple tail find cut dirname hexdump
inst_simple "/etc/sysconfig/kdump"
inst_binary "/usr/sbin/kexec"
inst_binary "/usr/bin/gawk" "/usr/bin/awk"
inst_script "/lib/kdump/kdump-lib.sh" "/lib/kdump-lib.sh"
inst_hook cmdline 00 "$moddir/early-kdump.sh"
inst_binary "$KDUMP_KERNEL"
inst_binary "$KDUMP_INITRD"
ln_r "$KDUMP_KERNEL" "${KDUMP_BOOTDIR}/${KDUMP_IMG}-earlykdump${KDUMP_IMG_EXT}"
ln_r "$KDUMP_INITRD" "${KDUMP_BOOTDIR}/initramfs-earlykdump.img"
chmod -x "${initdir}/$KDUMP_KERNEL"
}
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