Copy files from nvidia-container-toolkit

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

examples/discover/main.go

@@ -0,0 +1,52 @@
+/*
+# 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 main
+
+import (
+	"encoding/json"
+	"os"
+
+	log "github.com/sirupsen/logrus"
+	"gitlab.com/nvidia/cloud-native/container-toolkit/pkg/discover"
+)
+
+func main() {
+	log.Infof("Starting device discovery with NVML")
+
+	d, err := discover.NewNVMLServer("")
+
+	devices, err := d.Devices()
+	if err != nil {
+		log.Errorf("Error discovering devices: %v", err)
+		return
+	}
+
+	mounts, err := d.Mounts()
+	if err != nil {
+		log.Errorf("Error discovering mounts: %v", err)
+		return
+	}
+
+	enc := json.NewEncoder(os.Stdout)
+	enc.SetIndent("", "  ")
+
+	log.Infof("Discovered devices:")
+	enc.Encode(devices)
+
+	log.Infof("Discovered libraries:")
+	enc.Encode(mounts)
+}

examples/filter/main.go

@@ -0,0 +1,65 @@
+/*
+# 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 main
+
+import (
+	"encoding/json"
+	"os"
+
+	log "github.com/sirupsen/logrus"
+	"gitlab.com/nvidia/cloud-native/container-toolkit/pkg/discover"
+	"gitlab.com/nvidia/cloud-native/container-toolkit/pkg/filter"
+)
+
+func main() {
+	d, err := discover.NewNVMLServer("")
+	if err != nil {
+		log.Errorf("Error discovering devices: %v", err)
+	}
+
+	selected := filter.NewSelectDevicesFrom(d, "all", nil)
+
+	devices, err := selected.Devices()
+	if err != nil {
+		log.Errorf("Error discovering devices: %v", err)
+		return
+	}
+
+	mounts, err := selected.Mounts()
+	if err != nil {
+		log.Errorf("Error discovering mounts: %v", err)
+		return
+	}
+
+	hooks, err := selected.Hooks()
+	if err != nil {
+		log.Errorf("Error discovering hooks: %v", err)
+		return
+	}
+
+	enc := json.NewEncoder(os.Stdout)
+	enc.SetIndent("", "  ")
+
+	log.Infof("Discovered devices:")
+	enc.Encode(devices)
+
+	log.Infof("Discovered libraries:")
+	enc.Encode(mounts)
+
+	log.Infof("Discovered hook:")
+	enc.Encode(hooks)
+}

examples/print-ldcache/main.go

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+package main
+
+import (
+	log "github.com/sirupsen/logrus"
+	"gitlab.com/nvidia/cloud-native/container-toolkit/internal/ldcache"
+)
+
+var logger = log.StandardLogger()
+
+func main() {
+	logger.SetLevel(log.DebugLevel)
+	logger.Infof("Starting device discovery with NVML")
+
+	cache, err := ldcache.NewLDCacheWithLogger(logger, "/run/nvidia/driver")
+	if err != nil {
+		logger.Errorf("Error loading ldcache: %v", err)
+		return
+	}
+	defer cache.Close()
+
+	libs32, libs64 := cache.Lookup("lib")
+
+	logger.Infof("32-bit: %v", libs32)
+	logger.Infof("64-bit: %v", libs64)
+
+}