/
pflash.go
70 lines (52 loc) · 1.32 KB
/
pflash.go
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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package qemu
import (
"fmt"
"io"
"os"
"github.com/siderolabs/talos/pkg/provision/providers/vm"
)
//nolint:gocyclo
func (p *provisioner) createPFlashImages(state *vm.State, nodeName string, pflashSpec []PFlash) ([]string, error) {
var images []string
for i, pflash := range pflashSpec {
if err := func(i int, pflash PFlash) error {
path := state.GetRelativePath(fmt.Sprintf("%s-flash%d.img", nodeName, i))
f, err := os.Create(path)
if err != nil {
return err
}
defer f.Close() //nolint:errcheck
if err = f.Truncate(pflash.Size); err != nil {
return err
}
if pflash.SourcePaths != nil {
for _, sourcePath := range pflash.SourcePaths {
var src *os.File
src, err = os.Open(sourcePath)
if err != nil {
if os.IsNotExist(err) {
continue
}
return err
}
defer src.Close() //nolint:errcheck
if _, err = io.Copy(f, src); err != nil {
return err
}
break
}
if err != nil {
return err
}
}
images = append(images, path)
return nil
}(i, pflash); err != nil {
return nil, err
}
}
return images, nil
}