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update(scripts): driver loader cycles available gcc versions #1408

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merged 1 commit into from
Sep 16, 2020
Merged

update(scripts): driver loader cycles available gcc versions #1408

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54 changes: 31 additions & 23 deletions scripts/falco-driver-loader
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Original file line number Diff line number Diff line change
Expand Up @@ -143,33 +143,41 @@ load_kernel_module_compile() {
# skip dkms on UEK hosts because it will always fail
if [[ $(uname -r) == *uek* ]]; then
echo "* Skipping dkms install for UEK host"
else
if hash dkms &>/dev/null; then
echo "* Trying to dkms install ${DRIVER_NAME} module"
if dkms install -m "${DRIVER_NAME}" -v "${DRIVER_VERSION}" -k "${KERNEL_RELEASE}" 2>/dev/null; then
echo "* ${DRIVER_NAME} module installed in dkms, trying to insmod"
if insmod "/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/${KERNEL_RELEASE}/${ARCH}/module/${DRIVER_NAME}.ko" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded in dkms"
exit 0
elif insmod "/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/${KERNEL_RELEASE}/${ARCH}/module/${DRIVER_NAME}.ko.xz" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded in dkms (xz)"
exit 0
else
echo "* Unable to insmod ${DRIVER_NAME} module"
fi
return
fi

if ! hash dkms &>/dev/null; then
echo "* Skipping dkms install (dkms not found)"
return
fi

# try to compile using all the available gcc versions
for CURRENT_GCC in $(which gcc) $(ls "$(dirname "$(which gcc)")"/gcc-* | grep 'gcc-[0-9]\+' | sort -r); do
echo "* Trying to dkms install ${DRIVER_NAME} module with GCC ${CURRENT_GCC}"
echo "#!/usr/bin/env bash" > /tmp/falco-dkms-make
echo "make CC=${CURRENT_GCC} \$@" >> /tmp/falco-dkms-make
chmod +x /tmp/falco-dkms-make
if dkms install --directive="MAKE='/tmp/falco-dkms-make'" -m "${DRIVER_NAME}" -v "${DRIVER_VERSION}" -k "${KERNEL_RELEASE}" 2>/dev/null; then
echo "* ${DRIVER_NAME} module installed in dkms, trying to insmod"
if insmod "/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/${KERNEL_RELEASE}/${ARCH}/module/${DRIVER_NAME}.ko" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded in dkms"
exit 0
elif insmod "/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/${KERNEL_RELEASE}/${ARCH}/module/${DRIVER_NAME}.ko.xz" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded in dkms (xz)"
exit 0
else
DKMS_LOG="/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/build/make.log"
if [ -f "${DKMS_LOG}" ]; then
echo "* Running dkms build failed, dumping ${DKMS_LOG}"
cat "${DKMS_LOG}"
else
echo "* Running dkms build failed, couldn't find ${DKMS_LOG}"
fi
echo "* Unable to insmod ${DRIVER_NAME} module"
fi
else
echo "* Skipping dkms install (dkms not found)"
DKMS_LOG="/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/build/make.log"
if [ -f "${DKMS_LOG}" ]; then
echo "* Running dkms build failed, dumping ${DKMS_LOG} (with GCC ${CURRENT_GCC})"
cat "${DKMS_LOG}"
else
echo "* Running dkms build failed, couldn't find ${DKMS_LOG} (with GCC ${CURRENT_GCC})"
fi
fi
fi
done
}

load_kernel_module_download() {
Expand Down