diskimage-builder/diskimage_builder/elements/ramdisk/post-install.d/99-build-ramdisk
Jesse Keating 84d10dce57 Remove use of 'which'.
Instead, either use the bash built-in of type to ensure it exists. Since
which is an external dep, things can fail oddly in a constrained
environment.

Also add a dib-lint test for this.

Change-Id: I645029f5b5bfe1198c89ce10fd3246be8636e8af
Signed-off-by: Jesse Keating <omgjlk@us.ibm.com>
2017-05-19 12:43:36 -07:00

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#!/bin/bash
if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
_LIB="/tmp/ramdisk-build"
source $_LIB/common-defaults
source $_LIB/img-defaults
source $_LIB/ramdisk-defaults
source $_LIB/common-functions
source $_LIB/img-functions
source $_LIB/ramdisk-functions
KERNEL_VERSION=${DIB_KERNEL_VERSION:-$(find_kernel_version)}
MODULE_DIR=$MODULE_ROOT/lib/modules/$KERNEL_VERSION
if [ -f /dib-signed-kernel-version ] ; then
. /dib-signed-kernel-version
fi
if [ -n "${DIB_SIGNED_KERNEL_VERSION:-}" ]; then
# Though kernel name is suffixed with efi.signed, modules directory is
# without that suffix
MOD_KERNEL_NAME=`echo "$DIB_SIGNED_KERNEL_VERSION" |sed "s/\.efi\.signed//g"`
MODULE_DIR=$MODULE_ROOT/lib/modules/$MOD_KERNEL_NAME
fi
FIRMWARE_DIR=$MODULE_ROOT/lib/firmware
LIB_UDEV=$LIB_UDEV_ROOT/lib/udev
INIT="$_LIB/scripts/init"
FUNCTIONS_D="$_LIB/scripts/d"
BUSYBOX=${BUSYBOX:-$(type -p busybox)}
# NOTE(bnemec): IMAGE_ELEMENT is normally set in disk-image-create, but we're
# not using that to build the image here.
IMAGE_ELEMENT=
mk_build_dir
mkdir -p $TMP_BUILD_DIR/mnt
export TMP_HOOKS_PATH=/tmp
export TMP_MOUNT_PATH=$TMP_BUILD_DIR/mnt
echo "building ramdisk in $TMP_MOUNT_PATH"
create_ramdisk_base
populate_lib
populate_busybox
populate_init
populate_udev
SCRIPT_HOME=/tmp/in_target.d/bin TMP_HOOKS_PATH=/tmp/in_target.d run_d ramdisk-install
finalise_image
save_image /tmp/ramdisk
# In the past save_image did this for us. If EXIT handler is not
# reset ramdisk image builds fail.
trap EXIT
cp /boot/vmlinu[zx]-${KERNEL_VERSION} /tmp/kernel
if [ -n "${DIB_SIGNED_KERNEL_VERSION:-}" ]; then
cp /boot/vmlinu[zx]-${DIB_SIGNED_KERNEL_VERSION} /tmp/kernel
fi
chmod o+r /tmp/kernel
if [ -f /dib-signed-kernel-version ] ; then
echo "Removing /dib-signed-kernel-version"
rm -f /dib-signed-kernel-version
fi