mirror of
https://github.com/siderolabs/talos.git
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5a7eb631b2
This replaces the entrypoint.sh shell script with a go binary. Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
31 lines
887 B
Go
31 lines
887 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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"strings"
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"github.com/talos-systems/talos/pkg/cmd"
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)
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// Loattach attaches a loopback device by inoking the `losetup` command.
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func Loattach(img string) (dev string, err error) {
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if dev, err = cmd.Run("losetup", "--find", "--partscan", "--nooverlap", "--show", img); err != nil {
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return "", fmt.Errorf("failed to setup loopback device: %w", err)
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}
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return strings.TrimSuffix(dev, "\n"), nil
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}
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// Lodetach detaches a loopback device by inoking the `losetup` command.
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func Lodetach(img string) (err error) {
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if _, err = cmd.Run("losetup", "-d", img); err != nil {
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return fmt.Errorf("failed to detach loopback device: %w", err)
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}
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return nil
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}
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