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main.go
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main.go
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// Copyright 2020 Antrea Authors
//
// 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 under directory cmd parses and validates user input,
// instantiates and initializes objects imported from pkg, and runs
// the process.
package main
import (
"os"
"github.com/spf13/cobra"
"k8s.io/klog/v2"
"antrea.io/antrea/pkg/log"
"antrea.io/antrea/pkg/version"
)
func main() {
command := newFlowAggregatorCommand()
if err := command.Execute(); err != nil {
os.Exit(1)
}
}
func newFlowAggregatorCommand() *cobra.Command {
cmd := &cobra.Command{
Use: "flow-aggregator",
Long: "The Flow Aggregator.",
Run: func(cmd *cobra.Command, args []string) {
log.InitLogs(cmd.Flags())
defer log.FlushLogs()
configFile, err := cmd.Flags().GetString("config")
if err != nil {
klog.Fatalf("Error when finding the path of config: %v", err)
}
if err := run(configFile); err != nil {
klog.Fatalf("Error running flow aggregator: %v", err)
}
},
Version: version.GetFullVersionWithRuntimeInfo(),
}
flags := cmd.Flags()
flags.String("config", "", "The path to the configuration file")
log.AddFlags(flags)
return cmd
}