# Copyright (c) 2025, NVIDIA CORPORATION.  All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

[Unit]
Description=Refresh NVIDIA CDI specification file
ConditionPathExists=|/usr/bin/nvidia-smi
ConditionPathExists=|/usr/sbin/nvidia-smi
ConditionPathExists=|/usr/lib/wsl/lib/nvidia-smi
ConditionPathExists=/usr/bin/nvidia-ctk
# Limit the number of successive restarts to 5 in 10 seconds.
StartLimitBurst=5
StartLimitIntervalSec=10s

[Service]
Type=oneshot
# Values from Environment will be replaced if defined in EnvironmentFile
Environment=NVIDIA_CTK_CDI_OUTPUT_FILE_PATH=/var/run/cdi/nvidia.yaml
EnvironmentFile=-/etc/nvidia-container-toolkit/nvidia-cdi-refresh.env
ExecCondition=/bin/sh -c '/usr/bin/grep -qE "/(nvidia|nvidia-current)[.]ko" /lib/modules/%v/modules.dep || [ -e /dev/dxg ]'
ExecStart=/bin/sh -c '/usr/bin/nvidia-smi -L || /usr/sbin/nvidia-smi -L || /usr/lib/wsl/lib/nvidia-smi -L'
ExecStart=/usr/bin/nvidia-ctk cdi generate
CapabilityBoundingSet=CAP_SYS_MODULE CAP_SYS_ADMIN CAP_MKNOD
# We set the service to restart on failure to ensure that a CDI spec is
# eventually generated.
Restart=on-failure
RestartSec=1s

[Install]
WantedBy=multi-user.target