dracut/SOURCES/0167.patch

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2021-11-09 10:05:29 +00:00
From 3b3dea36edc66300b84bb3887f8a5be971be959a Mon Sep 17 00:00:00 2001
From: Kairui Song <kasong@redhat.com>
Date: Mon, 15 Feb 2021 22:22:08 +0800
Subject: [PATCH] refactor(squash): move the post install scripts into the
module-setup.sh
No function change, just move the post install code to 99squash to clean
up dracut.sh.
(cherry picked from commit 95ea16aa606912b7cc8f9942481c8a889b640c15)
Cherry-picked from: 95ea16aa
Resolves: #1959336
---
dracut.sh | 44 ++-------------------------------
modules.d/99squash/init.sh | 2 +-
modules.d/99squash/module-setup.sh | 50 +++++++++++++++++++++++++++++++++++---
3 files changed, 50 insertions(+), 46 deletions(-)
diff --git a/dracut.sh b/dracut.sh
index 2090d89f..669bc6ce 100755
--- a/dracut.sh
+++ b/dracut.sh
@@ -1735,51 +1735,11 @@ if [[ $hostonly_cmdline == "yes" ]] ; then
fi
if dracut_module_included "squash"; then
- dinfo "*** Install squash loader ***"
readonly squash_dir="$initdir/squash/root"
readonly squash_img="$initdir/squash/root.img"
- readonly squash_candidate=( "usr" "etc" )
-
- mkdir -m 0755 -p $squash_dir
- for folder in "${squash_candidate[@]}"; do
- mv $initdir/$folder $squash_dir/$folder
- done
-
- # Move some files out side of the squash image, including:
- # - Files required to boot and mount the squashfs image
- # - Files need to be accessible without mounting the squash image
- # - Initramfs marker
- for file in \
- $squash_dir/usr/lib/modules/*/modules.* \
- $squash_dir/usr/lib/dracut/* \
- $squash_dir/etc/initrd-release
- do
- [[ -d $file ]] && continue
- DRACUT_RESOLVE_DEPS=1 dracutsysrootdir=$squash_dir inst ${file#$squash_dir}
- rm $file
- done
- mv $initdir/init $initdir/init.stock
- ln -s squash/init.sh $initdir/init
-
- # Reinstall required files for the squash image setup script.
- # We have moved them inside the squashed image, but they need to be
- # accessible before mounting the image.
- inst_multiple "echo" "sh" "mount" "modprobe" "mkdir"
- hostonly="" instmods "loop" "squashfs" "overlay"
- # Only keep systemctl outsite if we need switch root
- if [[ ! -f "$initdir/lib/dracut/no-switch-root" ]]; then
- inst "systemctl"
- fi
-
- # Remove duplicated files
- for folder in "${squash_candidate[@]}"; do
- for file in $(find $initdir/$folder/ -not -type d); do
- if [[ -e $squash_dir${file#$initdir} ]]; then
- mv $squash_dir${file#$initdir} $file
- fi
- done
- done
+ dinfo "*** Install squash loader ***"
+ DRACUT_SQUASH_POST_INST=1 module_install "squash"
fi
if [[ $kernel_only != yes ]]; then
diff --git a/modules.d/99squash/init.sh b/modules.d/99squash/init.sh
index bca49db5..d8b2cbba 100755
--- a/modules.d/99squash/init.sh
+++ b/modules.d/99squash/init.sh
@@ -1,7 +1,7 @@
#!/bin/sh
/squash/setup-squash.sh
-exec /init.stock
+exec /init.orig
echo "Something went wrong when trying to start original init executable!"
exit 1
diff --git a/modules.d/99squash/module-setup.sh b/modules.d/99squash/module-setup.sh
index ba9d52ff..0acf7c3a 100644
--- a/modules.d/99squash/module-setup.sh
+++ b/modules.d/99squash/module-setup.sh
@@ -30,11 +30,55 @@ installkernel() {
hostonly="" instmods -c squashfs loop overlay
}
-install() {
- inst_multiple kmod modprobe mount mkdir ln echo
+installpost() {
+ local squash_candidate=( "usr" "etc" )
+
+ # shellcheck disable=SC2174
+ mkdir -m 0755 -p "$squash_dir"
+ for folder in "${squash_candidate[@]}"; do
+ mv "$initdir/$folder" "$squash_dir/$folder"
+ done
+
+ # Move some files out side of the squash image, including:
+ # - Files required to boot and mount the squashfs image
+ # - Files need to be accessible without mounting the squash image
+ # - Initramfs marker
+ for file in \
+ "$squash_dir"/usr/lib/modules/*/modules.* \
+ "$squash_dir"/usr/lib/dracut/* \
+ "$squash_dir"/etc/initrd-release
+ do
+ [[ -f $file ]] || continue
+ DRACUT_RESOLVE_DEPS=1 dracutsysrootdir="$squash_dir" inst "${file#$squash_dir}"
+ rm "$file"
+ done
+
+ # Install required files for the squash image setup script.
+ hostonly="" instmods "loop" "squashfs" "overlay"
+ inst_multiple modprobe mount mkdir ln echo
inst "$moddir"/setup-squash.sh /squash/setup-squash.sh
inst "$moddir"/clear-squash.sh /squash/clear-squash.sh
- inst "$moddir"/init.sh /squash/init.sh
+
+ mv "$initdir"/init "$initdir"/init.orig
+ inst "$moddir"/init.sh "$initdir"/init
+
+ # Keep systemctl outsite if we need switch root
+ if [[ ! -f "$initdir/lib/dracut/no-switch-root" ]]; then
+ inst "systemctl"
+ fi
+
+ # Remove duplicated files
+ for folder in "${squash_candidate[@]}"; do
+ find "$initdir/$folder/" -not -type d \
+ -exec bash -c 'mv -f "$squash_dir${1#$initdir}" "$1"' -- "{}" \;
+ done
+}
+
+install() {
+ if [[ $DRACUT_SQUASH_POST_INST ]]; then
+ installpost
+ return
+ fi
inst "$moddir/squash-mnt-clear.service" "$systemdsystemunitdir/squash-mnt-clear.service"
systemctl -q --root "$initdir" add-wants initrd-switch-root.target squash-mnt-clear.service