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36 lines
1.0 KiB
Go
36 lines
1.0 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package resolv
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import (
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"os"
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"strings"
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)
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// SetSearchDomains appends a `search` directive to resolv.conf file for domains
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func SetSearchDomains(file string, domains ...string) error {
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search := strings.Join(domains, " ")
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f, err := os.OpenFile(file, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
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if err != nil {
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return err
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}
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defer f.Close() //nolint:errcheck
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_, err = f.WriteString("\nsearch " + search)
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return err
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}
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