119 lines
3.4 KiB
Diff
119 lines
3.4 KiB
Diff
From d837ac398492cc2f6683cb8e2cbb80475ba232d5 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Sat, 9 Mar 2013 15:09:55 +0100
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Subject: [PATCH] add /lib/kernel/install.d/51-dracut-rescue.install
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Upon installation of a kernel, check if a rescue image is already
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available and if not, create a non-hostonly generic initramfs image with
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the rescue module added.
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---
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51-dracut-rescue.install | 73 ++++++++++++++++++++++++++++++++++++++++++++++++
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Makefile | 1 +
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dracut.spec | 1 +
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3 files changed, 75 insertions(+)
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create mode 100755 51-dracut-rescue.install
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diff --git a/51-dracut-rescue.install b/51-dracut-rescue.install
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new file mode 100755
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index 0000000..844e578
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--- /dev/null
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+++ b/51-dracut-rescue.install
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@@ -0,0 +1,73 @@
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+#!/bin/sh
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+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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+# ex: ts=8 sw=4 sts=4 et filetype=sh
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+
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+export LANG=C
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+
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+COMMAND="$1"
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+KERNEL_VERSION="$2"
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+BOOT_DIR_ABS="$3"
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+BOOT_DIR="${3#/boot}"
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+
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+[[ -f /etc/os-release ]] && . /etc/os-release
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+[[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id
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+if [[ -f /etc/kernel/cmdline ]]; then
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+ readarray -t BOOT_OPTIONS < /etc/kernel/cmdline
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+fi
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+if ! [[ "${BOOT_OPTIONS[@]}" ]]; then
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+ readarray -t BOOT_OPTIONS < /proc/cmdline
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+fi
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+if ! [[ $BOOT_OPTIONS ]]; then
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+ exit 1
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+fi
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+
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+LOADER_ENTRY="/boot/loader/entries/${MACHINE_ID}-00-${KERNEL_VERSION}-rescue.conf"
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+
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+ret=0
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+
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+case "$COMMAND" in
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+ add)
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+ for i in "/boot/loader/entries/${MACHINE_ID}-00-"*"-rescue.conf"; do
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+ [[ -f $i ]] && exit 0
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+ done
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+
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+ dracut --no-hostonly -a "rescue" "$3"/initrd-rescue "$2"
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+ ((ret+=$?))
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+
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+ {
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+ echo "title $PRETTY_NAME - Rescue Image"
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+ echo "version $KERNEL_VERSION"
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+ echo "machine-id $MACHINE_ID"
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+ echo "options ${BOOT_OPTIONS[@]} rd.auto=1"
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+ echo "linux $BOOT_DIR/linux"
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+ echo "initrd $BOOT_DIR/initrd-rescue"
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+ } > $LOADER_ENTRY
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+ ((ret+=$?))
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+
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+ if (( $ret == 0 )); then
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+ command -v yumdb &>/dev/null && \
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+ yumdb set installonly keep kernel-$KERNEL_VERSION >/dev/null
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+ fi
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+
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+ ;;
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+
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+ remove)
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+ [[ -f $LOADER_ENTRY ]] || exit 0
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+
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+ rm -f "$LOADER_ENTRY" "$3"/initrd-rescue
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+
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+ if command -v yumdb &>/dev/null; then
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+ if [[ $(yumdb get installonly kernel-$KERNEL_VERSION 2>/dev/null) == *installonly\ \=\ keep* ]]; then
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+ yumdb del installonly kernel-$KERNEL_VERSION >/dev/null
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+ fi
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+ fi
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+ ;;
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+
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+ *)
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+ usage
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+ ret=1;;
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+esac
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+
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+((ret+=$?))
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+
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+exit $ret
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diff --git a/Makefile b/Makefile
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index 7546ac6..a11689c 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -118,6 +118,7 @@ endif
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fi
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mkdir -p $(DESTDIR)${prefix}/lib/kernel/install.d
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install -m 0755 50-dracut.install $(DESTDIR)${prefix}/lib/kernel/install.d/50-dracut.install
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+ install -m 0755 51-dracut-rescue.install $(DESTDIR)${prefix}/lib/kernel/install.d/51-dracut-rescue.install
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dracut-version.sh:
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@echo "DRACUT_VERSION=$(VERSION)-$(GITVERSION)" > dracut-version.sh
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diff --git a/dracut.spec b/dracut.spec
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index 707e66a..6d30e57 100644
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--- a/dracut.spec
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+++ b/dracut.spec
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@@ -338,6 +338,7 @@ rm -rf $RPM_BUILD_ROOT
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%endif
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%if 0%{?fedora} || 0%{?rhel} > 6
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%{_prefix}/lib/kernel/install.d/50-dracut.install
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+%{_prefix}/lib/kernel/install.d/51-dracut-rescue.install
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%endif
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%files network
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