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main.go
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main.go
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// Copyright (c) 2019 Cisco and/or its affiliates.
//
// 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 (
"flag"
"os"
"github.com/sirupsen/logrus"
"github.com/networkservicemesh/networkservicemesh/utils"
)
var version string
func main() {
logrus.Info("Starting nsm-generate-sriov-configmap...")
logrus.Infof("Version: %v", version)
utils.PrintAllEnv(logrus.StandardLogger())
flag.Set("logtostderr", "true")
flag.Parse()
discoveredVFs := newVFs()
if err := discoverNetworks(discoveredVFs); err != nil {
logrus.Errorf("%+v", err)
os.Exit(1)
}
if len(discoveredVFs.vfs) == 0 {
logrus.Info("no VF were discovered, exiting...")
os.Exit(0)
}
logrus.Infof("%d VFs were discovered on the host.", len(discoveredVFs.vfs))
// Check if noRebind is selected
if !*noRebind {
// Building vfio device for each VF
if err := buildVFIODevices(discoveredVFs); err != nil {
logrus.Errorf("failed to build VFIO devices for VFs with error: %+v", err)
os.Exit(1)
}
}
// Check if noConfigMap is selected
if !*noConfigMap {
if err := generateConfigMap(discoveredVFs); err != nil {
logrus.Errorf("%+v", err)
os.Exit(1)
}
}
}