Allow generating initramfs images on the /boot directory
The dracut kernel-install scripts should be useful also for setups that are not following the BootLoaderSpec. So if the destination directory for the BLS kernel and initramfs doesn't exist, fallback to install the initramfs images in /boot. Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
This commit is contained in:
Javier Martinez Canillas
parent
126bbed632
commit
ef023bc9c6
145
0001.patch
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145
0001.patch
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@ -0,0 +1,145 @@
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From 5e574046e76eae2af5563f48b3ab910b3553ba56 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Wed, 28 Feb 2018 09:39:12 +0100
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Subject: [PATCH 1/1] 5?-dracut*.install: Allow scripts to install the
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initramfs in /boot dir
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The GRUB 2 bootloaders expect the initrd to be installed in /boot instead
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of /boot/$MACHINE_ID/$KERNEL_VERSION/{linux,initrd}, so if that directory
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doesn't exists, install the initramfs images on the /boot directory.
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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50-dracut.install | 17 ++++++++++-----
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51-dracut-rescue.install | 55 ++++++++++++++++++++++++++++++++++--------------
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2 files changed, 51 insertions(+), 21 deletions(-)
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diff --git a/50-dracut.install b/50-dracut.install
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index f1314d0222c8..64e3549f2992 100755
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--- a/50-dracut.install
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+++ b/50-dracut.install
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@@ -11,6 +11,13 @@ if ! [[ ${KERNEL_INSTALL_MACHINE_ID-x} ]]; then
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exit 0
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fi
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+if [[ -d "$BOOT_DIR_ABS" ]]; then
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+ INITRD="initrd"
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+else
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+ BOOT_DIR_ABS="/boot"
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+ INITRD="initramfs-${KERNEL_VERSION}.img"
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+fi
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+
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ret=0
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case "$COMMAND" in
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add)
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@@ -18,9 +25,9 @@ case "$COMMAND" in
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if [[ -f ${INITRD_IMAGE_PREGENERATED} ]]; then
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# we found an initrd at the same place as the kernel
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# use this and don't generate a new one
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- cp --reflink=auto "$INITRD_IMAGE_PREGENERATED" "$BOOT_DIR_ABS/initrd" \
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- && chown root:root "$BOOT_DIR_ABS/initrd" \
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- && chmod 0600 "$BOOT_DIR_ABS/initrd" \
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+ cp --reflink=auto "$INITRD_IMAGE_PREGENERATED" "$BOOT_DIR_ABS/$INITRD" \
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+ && chown root:root "$BOOT_DIR_ABS/$INITRD" \
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+ && chmod 0600 "$BOOT_DIR_ABS/$INITRD" \
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&& exit 0
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fi
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@@ -42,11 +49,11 @@ case "$COMMAND" in
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break
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fi
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done
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- dracut ${noimageifnotneeded:+--noimageifnotneeded} "$BOOT_DIR_ABS"/initrd "$KERNEL_VERSION"
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+ dracut ${noimageifnotneeded:+--noimageifnotneeded} "$BOOT_DIR_ABS/$INITRD" "$KERNEL_VERSION"
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ret=$?
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;;
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remove)
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- rm -f -- "$BOOT_DIR_ABS"/initrd
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+ rm -f -- "$BOOT_DIR_ABS/$INITRD"
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ret=$?
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;;
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esac
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diff --git a/51-dracut-rescue.install b/51-dracut-rescue.install
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index 7fbeac1d4ce6..3f07a698f2f9 100755
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--- a/51-dracut-rescue.install
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+++ b/51-dracut-rescue.install
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@@ -63,15 +63,30 @@ if ! [[ ${BOOT_OPTIONS[*]} ]]; then
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exit 1
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fi
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-BOOT_DIR="/${MACHINE_ID}/0-rescue"
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-BOOT_ROOT=${BOOT_DIR_ABS%$BOOT_DIR}
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-LOADER_ENTRY="$BOOT_ROOT/loader/entries/${MACHINE_ID}-0-rescue.conf"
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+if [[ -d "$BOOT_DIR_ABS" ]]; then
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+ BOOT_DIR="/${MACHINE_ID}/0-rescue"
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+ BOOT_ROOT=${BOOT_DIR_ABS%$BOOT_DIR}
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+ LOADER_ENTRY="$BOOT_ROOT/loader/entries/${MACHINE_ID}-0-rescue.conf"
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+ KERNEL="linux"
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+ INITRD="initrd"
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+else
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+ BLS_DIR="/boot/loader/entries"
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+ if [ -d /sys/firmware/efi ]; then
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+ BLS_DIR="/boot/efi/EFI/${ID}/loader/entries"
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+ fi
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+
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+ BOOT_DIR_ABS="/boot"
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+ LOADER_ENTRY="$BLS_DIR/${MACHINE_ID}-0-rescue.conf"
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+ KERNEL="vmlinuz-0-rescue-${MACHINE_ID}"
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+ INITRD="initramfs-0-rescue-${MACHINE_ID}.img"
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+fi
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ret=0
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case "$COMMAND" in
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add)
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- [[ -f "$LOADER_ENTRY" ]] && exit 0
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+ [[ -f "$LOADER_ENTRY" ]] && [[ -f "$BOOT_DIR_ABS/$KERNEL" ]] \
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+ && [[ -f "$BOOT_DIR_ABS/$INITRD" ]] && exit 0
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# source our config dir
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for f in $(dropindirs_sort ".conf" "/etc/dracut.conf.d" "/usr/lib/dracut/dracut.conf.d"); do
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@@ -82,21 +97,29 @@ case "$COMMAND" in
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[[ -d "$BOOT_DIR_ABS" ]] || mkdir -p "$BOOT_DIR_ABS"
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- if ! cp --reflink=auto "$KERNEL_IMAGE" "$BOOT_DIR_ABS"/linux; then
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- echo "Can't copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/linux'!" >&2
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+ if ! cp --reflink=auto "$KERNEL_IMAGE" "$BOOT_DIR_ABS/$KERNEL"; then
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+ echo "Can't copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/$KERNEL'!" >&2
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fi
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- dracut --no-hostonly -a "rescue" "$BOOT_DIR_ABS"/initrd "$KERNEL_VERSION"
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- ((ret+=$?))
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+ if [[ ! -f "$BOOT_DIR_ABS/$INITRD" ]]; then
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+ dracut --no-hostonly -a "rescue" "$BOOT_DIR_ABS/$INITRD" "$KERNEL_VERSION"
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+ ((ret+=$?))
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+ fi
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+
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+ if [[ -d "$BOOT_DIR" ]]; then
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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"
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+ } > $LOADER_ENTRY
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+ else
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+ cp -aT "${KERNEL_IMAGE%/*}/bls.conf" $LOADER_ENTRY
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+ sed -i 's/'$KERNEL_VERSION'/0-rescue-'${MACHINE_ID}'/' $LOADER_ENTRY
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+ fi
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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"
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- } > $LOADER_ENTRY
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((ret+=$?))
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;;
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--
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2.14.3
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@ -14,7 +14,7 @@
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%define with_nbd 0
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%endif
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%define dist_free_release 1
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%define dist_free_release 2
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Name: dracut
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Version: 047
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@ -38,6 +38,8 @@ URL: https://dracut.wiki.kernel.org/
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# http://git.kernel.org/?p=boot/dracut/dracut.git;a=snapshot;h=%%{version};sf=tgz
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Source0: http://www.kernel.org/pub/linux/utils/boot/dracut/dracut-%{version}.tar.xz
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Patch1: 0001.patch
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Source1: https://www.gnu.org/licenses/lgpl-2.1.txt
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BuildRequires: bash
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@ -536,6 +538,9 @@ echo 'dracut_rescue_image="yes"' > $RPM_BUILD_ROOT%{dracutlibdir}/dracut.conf.d/
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%endif
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%changelog
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* Tue Feb 27 2018 Javier Martinez Canillas <javierm@redhat.com> - 047-2
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- Allow generating initramfs images on the /boot directory
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* Mon Feb 19 2018 Harald Hoyer <harald@redhat.com> - 047-1
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- version 047
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