linux: refactor patch.sh in order to add new operation modes

This commit is contained in:
Vladislav Yarmak 2019-09-27 19:28:42 +03:00
parent 9d889d6371
commit f25b0fd056

View File

@ -6,11 +6,10 @@ set -euo pipefail ; # <- this semicolon and comment make options apply
backup_path="/opt/nvidia/libnvidia-encode-backup" backup_path="/opt/nvidia/libnvidia-encode-backup"
silent_flag='' silent_flag=''
rollback_flag=''
print_usage() { printf ' print_usage() { printf '
SYNOPSIS SYNOPSIS
patch.sh [OPTION]... patch.sh [-s] [-r|-h]
DESCRIPTION DESCRIPTION
The patch for Nvidia drivers to increase encoder sessions The patch for Nvidia drivers to increase encoder sessions
@ -22,12 +21,15 @@ DESCRIPTION
' '
} }
# shellcheck disable=SC2209
opmode="patch"
while getopts 'rsh' flag; do while getopts 'rsh' flag; do
case "${flag}" in case "${flag}" in
r) rollback_flag='true' ;; r) opmode="${opmode}rollback" ;;
s) silent_flag='true' ;; s) silent_flag='true' ;;
*) print_usage h) opmode="${opmode}help" ;;
exit 1 ;; *) echo "Incorrect option specified in command line" ; exit 2 ;;
esac esac
done done
@ -105,11 +107,16 @@ declare -A object_list=(
["435.21"]='libnvcuvid.so' ["435.21"]='libnvcuvid.so'
) )
NVIDIA_SMI="$(command -v nvidia-smi)" patch_common () {
NVIDIA_SMI="$(command -v nvidia-smi || true)"
if [[ ! "$NVIDIA_SMI" ]] ; then
echo 'nvidia-smi utility not found. Probably driver is not installed.'
exit 1
fi
if ! driver_version=$("$NVIDIA_SMI" --query-gpu=driver_version --format=csv,noheader,nounits | head -n 1) ; then if ! driver_version=$("$NVIDIA_SMI" --query-gpu=driver_version --format=csv,noheader,nounits | head -n 1) ; then
echo 'Something went wrong. Check nvidia driver' echo 'Something went wrong. Check nvidia driver'
exit 1; exit 1
fi fi
echo "Detected nvidia driver version: $driver_version" echo "Detected nvidia driver version: $driver_version"
@ -120,7 +127,7 @@ if [[ ! "${patch_list[$driver_version]+isset}" || ! "${object_list[$driver_versi
for drv in "${!patch_list[@]}"; do for drv in "${!patch_list[@]}"; do
echo "$drv" 1>&2 echo "$drv" 1>&2
done done
exit 1; exit 1
fi fi
patch="${patch_list[$driver_version]}" patch="${patch_list[$driver_version]}"
@ -143,16 +150,22 @@ done
[[ "$dir_found" ]] || { echo "ERROR: cannot detect driver directory"; exit 1; } [[ "$dir_found" ]] || { echo "ERROR: cannot detect driver directory"; exit 1; }
if [[ $rollback_flag ]]; then }
rollback () {
patch_common
if [[ -f "$backup_path/$object.$driver_version" ]]; then if [[ -f "$backup_path/$object.$driver_version" ]]; then
cp -p "$backup_path/$object.$driver_version" \ cp -p "$backup_path/$object.$driver_version" \
"$driver_dir/$object.$driver_version" "$driver_dir/$object.$driver_version"
echo "Restore from backup $object.$driver_version" echo "Restore from backup $object.$driver_version"
else else
echo "Backup not found. Try to patch first." echo "Backup not found. Try to patch first."
exit 1; exit 1
fi fi
else }
patch () {
patch_common
if [[ ! -f "$backup_path/$object.$driver_version" ]]; then if [[ ! -f "$backup_path/$object.$driver_version" ]]; then
echo "Attention! Backup not found. Copy current $object to backup." echo "Attention! Backup not found. Copy current $object to backup."
mkdir -p "$backup_path" mkdir -p "$backup_path"
@ -165,4 +178,11 @@ else
sha1sum "${PATCH_OUTPUT_DIR-$driver_dir}/$object.$driver_version" sha1sum "${PATCH_OUTPUT_DIR-$driver_dir}/$object.$driver_version"
ldconfig ldconfig
echo "Patched!" echo "Patched!"
fi }
case "${opmode}" in
patch) patch ;;
patchrollback) rollback ;;
patchhelp) print_usage ; exit 2 ;;
*) echo "Incorrect combination of flags"; exit 2 ;;
esac