mirror of https://github.com/docker/compose.git
43 lines
1.1 KiB
Go
43 lines
1.1 KiB
Go
/*
|
|
Copyright 2020 Docker Compose CLI 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 etchosts
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
)
|
|
|
|
// SetHostNames appends hosts aliases for loopback address to etc/host file
|
|
func SetHostNames(file string, hosts ...string) error {
|
|
f, err := os.OpenFile(file, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer f.Close() //nolint:errcheck
|
|
|
|
fmt.Println("Setting local hosts for " + strings.Join(hosts, ", "))
|
|
for _, host := range hosts {
|
|
_, err = f.WriteString("\n127.0.0.1 " + host)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
_, err = f.WriteString("\n")
|
|
return err
|
|
}
|