#!/bin/bash

. /etc/sysconfig/kdump

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() {

    . /lib/kdump/kdump-lib.sh

    prepare_kdump_bootinfo

    # $kernel is a variable from dracut

    if [[ $KDUMP_KERNELVER != "$kernel" ]]; then

        dwarn "Using kernel version '$KDUMP_KERNELVER' for early kdump," \

            "but the initramfs is generated for kernel version '$kernel'"

    fi

}

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_binary "/usr/bin/logger" "/usr/bin/logger"

    inst_binary "/usr/bin/printf" "/usr/bin/printf"

    inst_script "/lib/kdump/kdump-lib.sh" "/lib/kdump-lib.sh"

    inst_script "/lib/kdump/kdump-logger.sh" "/lib/kdump-logger.sh"

    inst_hook cmdline 00 "$moddir/early-kdump.sh"

    inst_binary "$KDUMP_KERNEL"

    inst_binary "$KDUMP_INITRD"

    ln_r "$KDUMP_KERNEL" "/boot/kernel-earlykdump"

    ln_r "$KDUMP_INITRD" "/boot/initramfs-earlykdump"

    chmod -x "${initdir}/$KDUMP_KERNEL"

}