agola/cmd/toolbox/cmd/createfile.go
2019-02-21 15:57:11 +01:00

71 lines
1.5 KiB
Go

// Copyright 2019 Sorint.lab
//
// 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 cmd
import (
"fmt"
"io"
"io/ioutil"
"log"
"os"
"github.com/spf13/cobra"
)
var cmdCreateFile = &cobra.Command{
Use: "createfile",
Run: createFileRun,
Short: "reads data from stdin and writes it to a random file returning its path",
}
type createFileOptions struct {
user string
}
var createFileOpts createFileOptions
func init() {
flags := cmdCreateFile.PersistentFlags()
flags.StringVar(&createFileOpts.user, "user", "", "file owner")
CmdToolbox.AddCommand(cmdCreateFile)
}
func createFile(r io.Reader) (string, error) {
file, err := ioutil.TempFile("", "")
if err != nil {
return "", err
}
filename := file.Name()
if _, err := io.Copy(file, r); err != nil {
file.Close()
return "", err
}
file.Close()
return filename, nil
}
func createFileRun(cmd *cobra.Command, args []string) {
filename, err := createFile(os.Stdin)
if err != nil {
log.Fatalf("failed to write file: %v", err)
}
fmt.Fprint(os.Stdout, filename)
}