/
gzip_config.go
49 lines (44 loc) · 1.16 KB
/
gzip_config.go
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// Copyright 2016 The prometheus-operator 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 operator
import (
"bytes"
"compress/gzip"
"io"
"strings"
)
func GzipConfig(w io.Writer, conf []byte) error {
if len(conf) == 0 {
return nil
}
buf := gzip.NewWriter(w)
defer buf.Close()
if _, err := buf.Write(conf); err != nil {
return err
}
return nil
}
func GunzipConfig(b []byte) (string, error) {
buf := bytes.NewBuffer(b)
reader, err := gzip.NewReader(buf)
if err != nil {
return "", err
}
uncompressed := new(strings.Builder)
_, err = io.Copy(uncompressed, reader)
if err != nil {
return "", err
}
return uncompressed.String(), nil
}