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validate render and video group

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CanbiZ 2025-07-28 09:01:53 +02:00
parent 3e3dedb35c
commit ba178bef5e
1 changed files with 17 additions and 7 deletions
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24
misc/build.func
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@ -1218,16 +1218,24 @@ EOF
done
[[ -e /dev/fb0 ]] && VAAPI_DEVICES+=("/dev/fb0")
# Dynamically resolve group IDs
GID_VIDEO=$(getent group video | cut -d: -f3)
GID_RENDER=$(getent group render | cut -d: -f3)
[[ -z "$GID_VIDEO" ]] && GID_VIDEO=44 && msg_warn "'video' group not found, falling back to GID 44"
[[ -z "$GID_RENDER" ]] && GID_RENDER=104 && msg_warn "'render' group not found, falling back to GID 104"
if [[ "${#VAAPI_DEVICES[@]}" -eq 0 ]]; then
:
elif [[ "${#VAAPI_DEVICES[@]}" -eq 1 && "$CT_TYPE" == "0" ]]; then
# Privileged + 1 device → silent passthrough
device="${VAAPI_DEVICES[0]}"
major_minor=$(stat -c '%t:%T' "$device" | awk -F: '{ printf "%d:%d", "0x"$1, "0x"$2 }')
echo "lxc.cgroup2.devices.allow: c $major_minor rwm" >>"$LXC_CONFIG"
echo "lxc.mount.entry: $device $device none bind,optional,create=file" >>"$LXC_CONFIG"
if ! major_minor=$(stat -c '%t:%T' "$device" 2>/dev/null | awk -F: '{ printf "%d:%d", "0x"$1, "0x"$2 }'); then
msg_warn "Could not stat $device – skipping passthrough."
else
echo "lxc.cgroup2.devices.allow: c $major_minor rwm" >>"$LXC_CONFIG"
echo "lxc.mount.entry: $device $device none bind,optional,create=file" >>"$LXC_CONFIG"
fi
else
# Display info message
whiptail --title "VAAPI passthrough" --msgbox "\
VAAPI passthrough has been enabled for this container.
@ -1250,12 +1258,14 @@ You will now be prompted to select which VAAPI devices should be passed through.
for dev in $SELECTED_DEVICES; do
dev=$(sed 's/"//g' <<<"$dev")
if [[ "$CT_TYPE" == "0" ]]; then
major_minor=$(stat -c '%t:%T' "$dev" | awk -F: '{ printf "%d:%d", "0x"$1, "0x"$2 }')
if ! major_minor=$(stat -c '%t:%T' "$dev" 2>/dev/null | awk -F: '{ printf "%d:%d", "0x"$1, "0x"$2 }'); then
msg_warn "Could not stat $dev – skipping."
continue
fi
echo "lxc.cgroup2.devices.allow: c $major_minor rwm" >>"$LXC_CONFIG"
echo "lxc.mount.entry: $dev $dev none bind,optional,create=file" >>"$LXC_CONFIG"
else
# Unprivileged: use devX: with proper GID
GID=$([[ "$dev" =~ render ]] && echo "104" || echo "44")
GID=$([[ "$dev" =~ render ]] && echo "$GID_RENDER" || echo "$GID_VIDEO")
echo "dev${IDX}: $dev,gid=${GID}" >>"$LXC_CONFIG"
IDX=$((IDX + 1))
fi