mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
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e827f76cab
This change adds a imex mode to CDI spec generation. This mode detected generates CDI specifications for existing IMEX channels. By default these devices have the fully qualified CDI device names: nvidia.com/imex-channel=<ID> Signed-off-by: Evan Lezar <elezar@nvidia.com>
81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
/**
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# Copyright 2024 NVIDIA CORPORATION
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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**/
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package nvcdi
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import (
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"bytes"
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"path/filepath"
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"strings"
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"testing"
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testlog "github.com/sirupsen/logrus/hooks/test"
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"github.com/stretchr/testify/require"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/test"
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)
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func TestImexMode(t *testing.T) {
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t.Setenv("__NVCT_TESTING_DEVICES_ARE_FILES", "true")
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logger, _ := testlog.NewNullLogger()
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moduleRoot, err := test.GetModuleRoot()
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require.NoError(t, err)
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hostRoot := filepath.Join(moduleRoot, "testdata", "lookup", "rootfs-1")
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expectedSpec := `---
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cdiVersion: 0.5.0
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containerEdits:
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env:
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- NVIDIA_VISIBLE_DEVICES=void
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devices:
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- containerEdits:
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deviceNodes:
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- hostPath: {{ .hostRoot }}/dev/nvidia-caps-imex-channels/channel0
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path: /dev/nvidia-caps-imex-channels/channel0
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name: "0"
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- containerEdits:
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deviceNodes:
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- hostPath: {{ .hostRoot }}/dev/nvidia-caps-imex-channels/channel1
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path: /dev/nvidia-caps-imex-channels/channel1
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name: "1"
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- containerEdits:
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deviceNodes:
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- hostPath: {{ .hostRoot }}/dev/nvidia-caps-imex-channels/channel2047
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path: /dev/nvidia-caps-imex-channels/channel2047
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name: "2047"
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kind: nvidia.com/imex-channel
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`
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expectedSpec = strings.ReplaceAll(expectedSpec, "{{ .hostRoot }}", hostRoot)
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lib, err := New(
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WithLogger(logger),
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WithMode(ModeImex),
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WithDriverRoot(hostRoot),
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)
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require.NoError(t, err)
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spec, err := lib.GetSpec()
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require.NoError(t, err)
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var b bytes.Buffer
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_, err = spec.WriteTo(&b)
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require.NoError(t, err)
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require.Equal(t, expectedSpec, b.String())
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}
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