Add code to process Jetpack CSV files

This change adds code to process Jetpack CSV mount specifications.

Signed-off-by: Evan Lezar <elezar@nvidia.com>

internal/discover/csv/csv.go

@@ -0,0 +1,90 @@
+/**
+# Copyright (c) 2021, 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.
+**/
+
+package csv
+
+import (
+	"bufio"
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/sirupsen/logrus"
+)
+
+const (
+	// DefaultRoot is default location of CSV files that define the modifications required to the OCI spec
+	DefaultRoot = "/etc/nvidia-container-runtime/host-files-for-container.d"
+)
+
+// GetFileList returns the (non-recursive) list of CSV files in the specified
+// folder
+func GetFileList(root string) ([]string, error) {
+	contents, err := os.ReadDir(root)
+	if err != nil && errors.Is(err, os.ErrNotExist) {
+		return nil, nil
+	} else if err != nil {
+		return nil, fmt.Errorf("failed to read the contents of %v: %v", root, err)
+	}
+
+	var csvFilePaths []string
+	for _, c := range contents {
+		if c.IsDir() {
+			continue
+		}
+		if c.Name() == ".csv" {
+			continue
+		}
+		ext := strings.ToLower(filepath.Ext(c.Name()))
+		if ext != ".csv" {
+			continue
+		}
+
+		csvFilePaths = append(csvFilePaths, filepath.Join(root, c.Name()))
+	}
+
+	return csvFilePaths, nil
+}
+
+// ParseFile parses the specified file and returns a list of required jetson mounts
+func ParseFile(logger *logrus.Logger, filename string) ([]*MountSpec, error) {
+	csvFile, err := os.Open(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to open %v for reading: %v", filename, err)
+	}
+	return parseCSVFromReader(logger, csvFile), nil
+}
+
+// parseCSVFromReader parses the specified file and returns a list of required jetson mounts
+func parseCSVFromReader(logger *logrus.Logger, reader io.Reader) []*MountSpec {
+	var targets []*MountSpec
+
+	scanner := bufio.NewScanner(reader)
+	for scanner.Scan() {
+		line := scanner.Text()
+		target, err := NewMountSpecFromLine(line)
+		if err != nil {
+			logger.Debugf("Skipping invalid mount spec '%v': %v", line, err)
+			continue
+		}
+		targets = append(targets, target)
+	}
+
+	return targets
+}

internal/discover/csv/csv_test.go

@@ -0,0 +1,83 @@
+/**
+# Copyright (c) 2021, 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.
+**/
+
+package csv
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/NVIDIA/nvidia-container-toolkit/internal/test"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetFileList(t *testing.T) {
+	moduleRoot, _ := test.GetModuleRoot()
+
+	testCases := []struct {
+		description   string
+		root          string
+		files         []string
+		expectedError error
+	}{
+		{
+			description: "returns list of CSV files",
+			root:        "test/input/csv_samples/",
+			files: []string{
+				"jetson.csv",
+				"simple_wrong.csv",
+				"simple.csv",
+				"spaced.csv",
+			},
+		},
+		{
+			description: "handles empty folder",
+			root:        "test/input/csv_samples/empty",
+		},
+		{
+			description: "handles non-existent folder",
+			root:        "test/input/csv_samples/NONEXISTENT",
+		},
+		{
+			description: "handles non-existent folder root",
+			root:        "/NONEXISTENT/test/input/csv_samples/",
+		},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.description, func(t *testing.T) {
+			root := filepath.Join(moduleRoot, tc.root)
+			files, err := GetFileList(root)
+
+			if tc.expectedError != nil {
+				require.Error(t, err)
+				require.Empty(t, files)
+				return
+			}
+
+			require.NoError(t, err)
+
+			var foundFiles []string
+			for _, f := range files {
+				require.Equal(t, root, filepath.Dir(f))
+				require.Equal(t, ".csv", filepath.Ext(f))
+				foundFiles = append(foundFiles, filepath.Base(f))
+			}
+
+			require.ElementsMatch(t, tc.files, foundFiles)
+		})
+	}
+}

internal/discover/csv/mount_spec.go

@@ -0,0 +1,73 @@
+/**
+# Copyright (c) 2021-2022, 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.
+**/
+
+package csv
+
+import (
+	"fmt"
+	"strings"
+)
+
+// MountSpecType defines the mount types allowed in a CSV file
+type MountSpecType string
+
+const (
+	// MountSpecDev is used for character devices
+	MountSpecDev = MountSpecType("dev")
+	// MountSpecDir is used for directories
+	MountSpecDir = MountSpecType("dir")
+	// MountSpecLib is used for libraries or regular files
+	MountSpecLib = MountSpecType("lib")
+	// MountSpecSym is used for symlinks.
+	MountSpecSym = MountSpecType("sym")
+)
+
+// MountSpec represents a Jetson mount consisting of a type and a path.
+type MountSpec struct {
+	Type MountSpecType
+	Path string
+}
+
+// NewMountSpecFromLine parses the specified line and returns the MountSpec or an error if the line is malformed
+func NewMountSpecFromLine(line string) (*MountSpec, error) {
+	parts := strings.SplitN(strings.TrimSpace(line), ",", 2)
+	if len(parts) < 2 {
+		return nil, fmt.Errorf("failed to parse line: %v", line)
+	}
+	mountType := strings.TrimSpace(parts[0])
+	path := strings.TrimSpace(parts[1])
+
+	return NewMountSpec(mountType, path)
+}
+
+// NewMountSpec creates a MountSpec with the specified type and path. An error is returned if the type is invalid.
+func NewMountSpec(mountType string, path string) (*MountSpec, error) {
+	switch mountType {
+	case "dev", "lib", "sym", "dir":
+	default:
+		return nil, fmt.Errorf("unexpected mount type: %v", mountType)
+	}
+	if path == "" {
+		return nil, fmt.Errorf("invalid path: %v", path)
+	}
+
+	mount := MountSpec{
+		Type: MountSpecType(mountType),
+		Path: path,
+	}
+
+	return &mount, nil
+}

internal/discover/csv/mount_spec_test.go

@@ -0,0 +1,82 @@
+/**
+# Copyright (c) 2022, 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.
+**/
+
+package csv
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestNewMountSpecFromLine(t *testing.T) {
+	parseError := fmt.Errorf("failed to parse line")
+	unexpectedError := fmt.Errorf("unexpected mount type")
+
+	testCases := []struct {
+		line          string
+		expectedError error
+		expectedValue MountSpec
+	}{
+		{
+			line:          "",
+			expectedError: parseError,
+		},
+		{
+			line:          "\t",
+			expectedError: parseError,
+		},
+		{
+			line:          ",",
+			expectedError: parseError,
+		},
+		{
+			line:          "dev,",
+			expectedError: parseError,
+		},
+		{
+			line: "dev ,/a/path",
+			expectedValue: MountSpec{
+				Path: "/a/path",
+				Type: "dev",
+			},
+		},
+		{
+			line: "dev ,/a/path,with,commas",
+			expectedValue: MountSpec{
+				Path: "/a/path,with,commas",
+				Type: "dev",
+			},
+		},
+		{
+			line:          "not-dev ,/a/path",
+			expectedError: unexpectedError,
+		},
+	}
+
+	for i, tc := range testCases {
+		t.Run(fmt.Sprintf("test case %d", i), func(t *testing.T) {
+			target, err := NewMountSpecFromLine(tc.line)
+			if tc.expectedError != nil {
+				require.Error(t, err)
+				return
+			}
+			require.NoError(t, err)
+			require.EqualValues(t, &tc.expectedValue, target)
+		})
+	}
+}

test/input/csv_samples/jetson.csv

@@ -0,0 +1,171 @@
+dev, nvidiactl
+dev, nvhost-gpu
+dev, nvhost-ctrl
+dev, nvhost-nvdec
+dev, nvhost-ctrl-gpu
+dev, nvhost-prof-gpu
+dev, nvhost-dbg-gpu
+dev, nvmap
+dev, tegra_dc_ctrl
+dev, tegra_dc_0
+dev, tegra_dc_1
+dev, nvhost-vic
+dev, nvhost-as-gpu
+dir, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/include
+dir, /usr/lib/aarch64-linux-gnu/tegra-egl
+dir, /usr/src/tensorrt
+dir, /usr/local/cuda
+lib, /usr/lib/aarch64-linux-gnu/libv4l/plugins/libv4l2_nvvidconv.so
+lib, /usr/lib/aarch64-linux-gnu/libv4l/plugins/libv4l2_nvvideocodec.so
+lib, /usr/lib/aarch64-linux-gnu/libv4l1.so.0
+lib, /usr/lib/aarch64-linux-gnu/libv4l2.so
+lib, /usr/lib/aarch64-linux-gnu/libv4lconvert.so.0
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvarguscamerasrc.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvcompositor.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvdrmvideosink.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnveglglessink.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnveglstreamsrc.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvegltransform.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvivafilter.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvjpeg.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvtee.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvvidconv.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvvideo4linux2.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvvideocuda.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvvideosink.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstnvvideosinks.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstomx.so
+lib, /usr/lib/aarch64-linux-gnu/gstreamer-1.0/libgstpulseaudio.so
+lib, /usr/lib/aarch64-linux-gnu/libgstnvivameta.so
+lib, /usr/lib/aarch64-linux-gnu/libgstnvexifmeta.so
+lib, /usr/lib/aarch64-linux-gnu/libgstnvegl-1.0.so.0
+lib, /usr/lib/aarch64-linux-gnu/libnvonnxparser.so
+lib, /usr/lib/aarch64-linux-gnu/libnvinfer.so
+lib, /usr/lib/aarch64-linux-gnu/libnvinfer_plugin.so
+lib, /usr/lib/aarch64-linux-gnu/libnvparsers.so
+lib, /usr/lib/aarch64-linux-gnu/libcudnn.so
+lib, /usr/lib/aarch64-linux-gnu/libnvsample_cudaprocess.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libdrm.so.2
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvapputil.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvargus.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvargus_socketclient.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvargus_socketserver.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvavp.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvbuf_utils.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvcam_imageencoder.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvcameratools.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvcamerautils.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvcamlog.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvcamv4l2.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvcolorutil.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvdc.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvddk_2d_v2.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvddk_vic.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnveglstream_camconsumer.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnveglstreamproducer.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnveventlib.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvexif.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvfnet.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvfnetstoredefog.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvfnetstorehdfx.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_boot.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_camera.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_force.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_generic.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_gpucompute.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_graphics.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_il.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_spincircle.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_tbc.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvgov_ui.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvid_mapper.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvidia-egl-wayland.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvidia-eglcore.so.32.1.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvidia-fatbinaryloader.so.32.1.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvidia-glcore.so.32.1.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvidia-glsi.so.32.1.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvidia-glvkspirv.so.32.1.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvidia-ptxjitcompiler.so.1
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvidia-rmapi-tegra.so.32.1.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvidia-tls.so.32.1.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvimp.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvjpeg.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvll.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvmedia.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvmm.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvmm_contentpipe.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvmm_parser.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvmm_utils.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvmmlite.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvmmlite_image.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvmmlite_utils.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvmmlite_video.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvodm_imager.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvomx.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvomxilclient.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvos.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvosd.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvparser.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvphs.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvphsd.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvrm.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvrm_gpu.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvrm_graphics.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvscf.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvtestresults.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvtnr.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvtracebuf.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvtvmr.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvtx_helper.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libnvwinsys.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libsensors.hal-client.nvs.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libsensors.l4t.no_fusion.nvs.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libsensors_hal.nvs.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/libtegrav4l2.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/nvidia_icd.json
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/EGLWLInputEventExample
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/EGLWLMockNavigation
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/LayerManagerControl
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/desktop-shell.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/drm-backend.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/eglstream-backend.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/gl-renderer.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/hmi-controller.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/ivi-controller.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/ivi-shell.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/libilmClient.so.2.0.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/libilmCommon.so.2.0.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/libilmControl.so.2.0.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/libilmInput.so.2.0.0
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/libinput.so.10.10.1
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/spring-tool
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/wayland-backend.so
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-calibrator
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-clickdot
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-cliptest
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-desktop-shell
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-dnd
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-eventdemo
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-flower
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-fullscreen
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-image
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-info
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-ivi-shell-user-interface
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-keyboard
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-launch
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-multi-resource
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-resizor
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-scaler
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-screenshooter
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-simple-egl
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-simple-shm
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-simple-touch
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-smoke
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-stacking
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-subsurfaces
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-terminal
+lib, /usr/lib/aarch64-linux-gnu/tegra/weston/weston-transformed
+lib, /usr/lib/libvisionworks_tracking.so.0.88
+lib, /usr/lib/libvisionworks_sfm.so.0.90
+lib, /usr/lib/libvisionworks.so

test/input/csv_samples/simple.csv

@@ -0,0 +1,6 @@
+lib,/lib/target
+dir,/lib/target
+dev,/dev/null
+dev,full
+dev,/dev/target
+sym,/source

test/input/csv_samples/simple_wrong.csv

@@ -0,0 +1 @@
+dir

test/input/csv_samples/spaced.csv

@@ -0,0 +1,9 @@
+   dev   , /dev/target 
+lib,      /lib/target
+
+dir,/lib/target   
+
+sym, /source
+
+       
+