mirror of
https://github.com/siderolabs/talos.git
synced 2025-08-22 15:11:10 +02:00
71 lines
2.2 KiB
Go
71 lines
2.2 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 install
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import (
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"log"
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"github.com/pkg/errors"
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"github.com/talos-systems/talos/internal/pkg/blockdevice/probe"
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"github.com/talos-systems/talos/internal/pkg/constants"
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"github.com/talos-systems/talos/internal/pkg/mount"
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"github.com/talos-systems/talos/pkg/userdata"
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"golang.org/x/sys/unix"
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)
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// Mount discovers the appropriate partitions by label and mounts them up
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// to the appropriate mountpoint.
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// TODO: See if we can consolidate this with rootfs/mount
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func Mount(data *userdata.UserData) (err error) {
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var mp *mount.Points
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if mp, err = mountpoints(data.Install.Boot.InstallDevice.Device); err != nil {
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return errors.Errorf("error initializing block devices: %v", err)
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}
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iter := mp.Iter()
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for iter.Next() {
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if err = mount.WithRetry(iter.Value(), mount.WithPrefix(constants.NewRoot)); err != nil {
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return errors.Errorf("error mounting partitions: %v", err)
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}
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}
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if iter.Err() != nil {
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return iter.Err()
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}
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return nil
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}
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// nolint: dupl
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func mountpoints(devpath string) (mountpoints *mount.Points, err error) {
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mountpoints = mount.NewMountPoints()
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for _, name := range []string{constants.CurrentRootPartitionLabel(), constants.DataPartitionLabel, constants.BootPartitionLabel} {
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var target string
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switch name {
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case constants.CurrentRootPartitionLabel():
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target = constants.RootMountPoint
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case constants.DataPartitionLabel:
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target = constants.DataMountPoint
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case constants.BootPartitionLabel:
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target = constants.BootMountPoint
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}
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var dev *probe.ProbedBlockDevice
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if dev, err = probe.DevForFileSystemLabel(devpath, name); err != nil {
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if name == constants.BootPartitionLabel {
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// A bootloader is not always required.
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log.Println("WARNING: no ESP partition was found")
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continue
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}
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return nil, errors.Errorf("failed to find device with label %s: %v", name, err)
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}
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mountpoint := mount.NewMountPoint(dev.Path, target, dev.SuperBlock.Type(), unix.MS_NOATIME, "")
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mountpoints.Set(name, mountpoint)
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}
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return mountpoints, nil
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}
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