Files
multus-cni/cmd/install_multus/main.go
2023-04-13 23:36:40 +09:00

57 lines
1.6 KiB
Go

// Copyright (c) 2023 Multus 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.
// This is a install tool for multus plugins
package main
import (
"fmt"
"os"
"github.com/spf13/pflag"
"gopkg.in/k8snetworkplumbingwg/multus-cni.v4/pkg/cmdutils"
)
func main() {
typeFlag := pflag.StringP("type", "t", "", "specify installer type (thick/thin)")
destDir := pflag.StringP("dest-dir", "d", "/host/opt/cni/bin", "destination directory")
helpFlag := pflag.BoolP("help", "h", false, "show help message and quit")
pflag.Parse()
if *helpFlag {
pflag.PrintDefaults()
os.Exit(1)
}
multusFileName := ""
switch *typeFlag {
case "thick":
multusFileName = "multus-shim"
case "thin":
multusFileName = "multus"
default:
fmt.Fprintf(os.Stderr, "--type is missing or --type has invalid value\n")
os.Exit(1)
}
err := cmdutils.CopyFileAtomic(fmt.Sprintf("/usr/src/multus-cni/bin/%s", multusFileName), *destDir, fmt.Sprintf("%s.temp", multusFileName), multusFileName)
if err != nil {
fmt.Fprintf(os.Stderr, "failed to copy file %s: %v\n", multusFileName, err)
os.Exit(1)
}
fmt.Printf("multus %s copy succeeded!\n", multusFileName)
}