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bootstrap.go
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bootstrap.go
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// Copyright © 2018 Heptio
// 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 main
import (
"fmt"
"io"
"os"
"path/filepath"
)
type configWriter interface {
WriteYAML(io.Writer) error
}
// writeBootstrapConfig writes a bootstrap configuration to the supplied path.
// If the path ends in .yaml, the configuration file will be in v2 YAML format.
func writeBootstrapConfig(config configWriter, path string) {
f, err := os.Create(path)
check(err)
switch filepath.Ext(path) {
case ".yaml":
err = config.WriteYAML(f)
check(err)
default:
f.Close()
check(fmt.Errorf("path %s must end in .yaml", path))
}
check(f.Close())
}