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https://github.com/siderolabs/talos.git
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b2507b41d2
Sparse file generation replaced with Go native calls. Final artifact `.tar` reproducible with new tar flags and using GNU tar instead of busybox one, but as the image itself is not reproducible, this only helps a bit. Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
36 lines
752 B
Go
36 lines
752 B
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package pkg
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import (
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"fmt"
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"os"
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)
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const (
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// RAWDiskSize is the minimum size disk we can create.
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RAWDiskSize = 546
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)
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// CreateRawDisk creates a raw disk by invoking the `dd` command.
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func CreateRawDisk() (img string, err error) {
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img = "/tmp/disk.raw"
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var f *os.File
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f, err = os.Create(img)
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if err != nil {
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return "", fmt.Errorf("failed to create RAW disk: %w", err)
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}
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if err = f.Truncate(RAWDiskSize * 1048576); err != nil {
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return "", fmt.Errorf("failed to truncate RAW disk: %w", err)
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}
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err = f.Close()
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return img, err
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}
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