mirror of
https://github.com/siderolabs/talos.git
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d430a37e46
This removes the github.com/pkg/errors package in favor of the official error wrapping in go 1.13. Signed-off-by: Andrew Rynhard <andrew@andrewrynhard.com>
69 lines
1.9 KiB
Go
69 lines
1.9 KiB
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 manifest
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import (
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"errors"
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"fmt"
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"github.com/talos-systems/talos/pkg/blockdevice/probe"
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"github.com/talos-systems/talos/pkg/config/machine"
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"github.com/talos-systems/talos/pkg/constants"
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)
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// VerifyDataDevice verifies the supplied data device options.
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func VerifyDataDevice(install machine.Install) (err error) {
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if install.Disk() == "" {
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return errors.New("missing disk")
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}
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if install.Force() {
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return nil
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}
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if err = VerifyDiskAvailability(install.Disk(), constants.EphemeralPartitionLabel); err != nil {
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return fmt.Errorf("failed to verify disk availability: %w", err)
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}
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return nil
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}
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// VerifyBootDevice verifies the supplied boot device options.
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func VerifyBootDevice(install machine.Install) (err error) {
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if !install.WithBootloader() {
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return nil
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}
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if install.Force() {
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return nil
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}
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if err = VerifyDiskAvailability(install.Disk(), constants.BootPartitionLabel); err != nil {
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return fmt.Errorf("failed to verify disk availability: %w", err)
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}
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return nil
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}
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// VerifyDiskAvailability verifies that no filesystems currently exist with
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// the labels used by the OS.
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func VerifyDiskAvailability(devpath, label string) (err error) {
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var dev *probe.ProbedBlockDevice
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if dev, err = probe.DevForFileSystemLabel(devpath, label); err != nil {
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// We return here because we only care if we can discover the
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// device successfully and confirm that the disk is not in use.
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// TODO(andrewrynhard): We should return a custom error type here
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// that we can use to confirm the device was not found.
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return nil
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}
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if dev.SuperBlock != nil {
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return fmt.Errorf("target install device %s is not empty, found existing %s file system", label, dev.SuperBlock.Type())
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}
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return nil
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}
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