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From 39d06b934fd4bec88b0945b5277407d7b5510c22 Mon Sep 17 00:00:00 2001
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From: Kairui Song <kasong@redhat.com>
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Date: Mon, 15 Feb 2021 22:58:20 +0800
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Subject: [PATCH] feat(squash): install and depmod modules seperately
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Separately install the modules required for squash image setup.
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These modules can be deleted after squash image setup to save
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memory.
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Signed-off-by: Kairui Song <kasong@redhat.com>
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(cherry picked from commit 5a18b24a8b9c20c98f711963ce5407ceb2f3d57b)
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Cherry-picked from: 5a18b24a8b9c20c98f711963ce5407ceb2f3d57b
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Resolves: #1959336
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---
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modules.d/99squash/init-squash.sh | 3 +++
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modules.d/99squash/module-setup.sh | 12 +++++-------
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2 files changed, 8 insertions(+), 7 deletions(-)
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diff --git a/modules.d/99squash/init-squash.sh b/modules.d/99squash/init-squash.sh
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index 449585f0..ecb6cc58 100755
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--- a/modules.d/99squash/init-squash.sh
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+++ b/modules.d/99squash/init-squash.sh
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@@ -34,6 +34,9 @@ if [ $? != 0 ]; then
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echo "Unable to setup overlay module"
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fi
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+# These modules are no longer needed, delete to save memory
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+rm -rf /usr/lib/modules/
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+
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[ ! -d "$SQUASH_MNT" ] && \
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mkdir -m 0755 -p $SQUASH_MNT
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diff --git a/modules.d/99squash/module-setup.sh b/modules.d/99squash/module-setup.sh
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index c0eb4acd..ad619176 100644
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--- a/modules.d/99squash/module-setup.sh
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+++ b/modules.d/99squash/module-setup.sh
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@@ -18,10 +18,6 @@ depends() {
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return 0
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}
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-installkernel() {
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- hostonly="" instmods -c squashfs loop overlay
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-}
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-
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installpost() {
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local squash_candidate=( "usr" "etc" )
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@@ -36,7 +32,6 @@ installpost() {
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# - Files need to be accessible without mounting the squash image
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# - Initramfs marker
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for file in \
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- "$squash_dir"/usr/lib/modules/*/modules.* \
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"$squash_dir"/usr/lib/dracut/* \
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"$squash_dir"/etc/initrd-release
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do
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@@ -46,8 +41,7 @@ installpost() {
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done
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# Install required files for the squash image setup script.
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- hostonly="" instmods "loop" "squashfs" "overlay"
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- inst_multiple modprobe mount mkdir ln echo
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+ inst_multiple modprobe mount mkdir ln echo rm
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mv "$initdir"/init "$initdir"/init.orig
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inst "$moddir"/init-squash.sh /init
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@@ -63,6 +57,10 @@ installpost() {
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find "$initdir/$folder/" -not -type d \
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-exec bash -c 'mv -f "$squash_dir${1#$initdir}" "$1"' -- "{}" \;
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done
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+
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+ # Install required modules for the squash image init script.
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+ hostonly="" instmods "loop" "squashfs" "overlay"
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+ dracut_kernel_post
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}
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install() {
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