1 files changed, 65 insertions, 0 deletions
diff --git a/dracut-early-kdump-module-setup.sh b/dracut-early-kdump-module-setup.sh
new file mode 100755
index 0000000..e069867
--- /dev/null
+++ b/dracut-early-kdump-module-setup.sh
@@ -0,0 +1,65 @@
+#!/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"
+}