5c8fc6fd31
While aggressively pruning ramdisk contents reduces the size, it can break packages that depend on any of the pruned directories existing. Allow anyone impacted by that case to opt out. Change-Id: I1b5a65a56d151a26ee44446c20c6df31bb695223
77 lines
2.7 KiB
Bash
Executable File
77 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# dib-lint: disable=safe_sudo
|
|
|
|
if [ "${DIB_DEBUG_TRACE:-0}" -gt 0 ]; then
|
|
set -x
|
|
fi
|
|
set -eu
|
|
set -o pipefail
|
|
|
|
|
|
[ -n "$TARGET_ROOT" ]
|
|
|
|
USER=${USER:-$(whoami)}
|
|
|
|
source $_LIB/img-functions
|
|
|
|
IMAGE_PATH=$(readlink -f $IMAGE_NAME)
|
|
cd $TARGET_ROOT
|
|
|
|
DIB_IPA_COMPRESS_CMD="${DIB_IPA_COMPRESS_CMD:-gzip}"
|
|
|
|
echo "#disabled" > ./tmp/fstab.new
|
|
sudo mv ./tmp/fstab.new ./etc/fstab
|
|
sudo ln -s ./sbin/init ./
|
|
|
|
# Note(JayF): to anyone trying to make this more configurable in the future,
|
|
# there are significant hurdles around shell quoting if you try to put these
|
|
# find commands into variables for making them more configurable.
|
|
if [ "${DIB_IPA_MINIMAL_PRUNE:-0}" -gt 0 ]; then
|
|
# Operator opted out of full ramdisk pruning; do not proactively remove
|
|
# directories that may be in use by other elements/packages
|
|
sudo find . -xdev \
|
|
-path './sys/*' -prune -o \
|
|
-path './tmp/*' -prune -o \
|
|
-path './boot/*' -prune -o \
|
|
-path './root/.cache' -prune -o \
|
|
-name '*.pyc' -prune -o \
|
|
-name '*.pyo' -prune -o \
|
|
-print | sudo cpio -o -H newc | ${DIB_IPA_COMPRESS_CMD} > ${IMAGE_PATH}.initramfs
|
|
else
|
|
# This performs a full prune, leading to the smallest possible ramdisk
|
|
# size. This may break operator-configured packages or elements that
|
|
# depend on pruned paths.
|
|
# Note: The pci.ids, which is used by lshw, are located on Ubuntu
|
|
# in /usr/share/misc. Therefore we are removing only the
|
|
# ./usr/share/misc/m* (will remove the magic and magic.mgc files).
|
|
# on RHEL pci.ids is locate on /usr/share/hwdata/pci.ids.
|
|
sudo find . -xdev \
|
|
-path './sys/*' -prune -o \
|
|
-path './tmp/*' -prune -o \
|
|
-path './boot/*' -prune -o \
|
|
-path './root/.cache' -prune -o \
|
|
-path "*site-packages/babel/locale-data/*" -prune -o \
|
|
-path './usr/include/*' -prune -o \
|
|
-path './usr/lib/locale/*' -prune -o \
|
|
-path './usr/share/doc/*' -prune -o \
|
|
-path './usr/share/man/*' -prune -o \
|
|
-path './usr/share/GeoIP/*' -prune -o \
|
|
-path './usr/share/info/*' -prune -o \
|
|
-path './usr/share/licenses/*' -prune -o \
|
|
-path './usr/share/locale/*' -prune -o \
|
|
-path './usr/share/misc/m*' -prune -o \
|
|
-path './usr/src/kernels/*' -prune -o \
|
|
-path './var/cache/*' -prune -o \
|
|
-path './var/log/*' -prune -o \
|
|
-name '*.pyc' -prune -o \
|
|
-name '*.pyo' -prune -o \
|
|
-print | sudo cpio -o -H newc | ${DIB_IPA_COMPRESS_CMD} > ${IMAGE_PATH}.initramfs
|
|
fi
|
|
|
|
select_boot_kernel_initrd $TARGET_ROOT
|
|
sudo cp $BOOTDIR/$KERNEL ${IMAGE_PATH}.kernel
|
|
sudo chown $USER: ${IMAGE_PATH}.kernel
|
|
# Output image sizes for debugging
|
|
sudo ls -lh ${IMAGE_PATH}.*
|