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https://github.com/siderolabs/talos.git
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1bac0b183a
Add support for generating disk images with image cache. Fixes: #9616 Signed-off-by: Noel Georgi <git@frezbo.dev>
104 lines
2.6 KiB
Go
104 lines
2.6 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 partition provides common utils for system partition format.
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package partition
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import (
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"fmt"
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"github.com/siderolabs/go-blockdevice/v2/partitioning/gpt"
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"github.com/siderolabs/talos/pkg/machinery/constants"
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)
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// Options contains the options for creating a partition.
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type Options struct {
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FormatOptions
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PartitionLabel string
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PartitionType Type
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Size uint64
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PartitionOpts []gpt.PartitionOption
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}
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// NewPartitionOptions returns a new PartitionOptions.
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//
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//nolint:gocyclo
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func NewPartitionOptions(label string, uki bool) Options {
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formatOptions := NewFormatOptions(label)
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if formatOptions == nil {
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panic(fmt.Sprintf("unknown format options for label %q", label))
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}
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switch label {
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case constants.EFIPartitionLabel:
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partitionOptions := Options{
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FormatOptions: *formatOptions,
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PartitionLabel: label,
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PartitionType: EFISystemPartition,
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Size: EFISize,
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}
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if uki {
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partitionOptions.Size = EFIUKISize
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}
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return partitionOptions
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case constants.BIOSGrubPartitionLabel:
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if uki {
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panic("BIOS partition is not supported with UKI")
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}
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return Options{
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FormatOptions: *formatOptions,
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PartitionLabel: label,
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PartitionType: BIOSBootPartition,
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Size: BIOSGrubSize,
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PartitionOpts: []gpt.PartitionOption{gpt.WithLegacyBIOSBootableAttribute(true)},
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}
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case constants.BootPartitionLabel:
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if uki {
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panic("BOOT partition is not supported with UKI")
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}
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return Options{
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FormatOptions: *formatOptions,
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PartitionLabel: label,
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PartitionType: LinuxFilesystemData,
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Size: BootSize,
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}
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case constants.MetaPartitionLabel:
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return Options{
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FormatOptions: *formatOptions,
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PartitionLabel: label,
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PartitionType: LinuxFilesystemData,
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Size: MetaSize,
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}
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case constants.StatePartitionLabel:
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return Options{
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FormatOptions: *formatOptions,
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PartitionLabel: label,
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PartitionType: LinuxFilesystemData,
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Size: StateSize,
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}
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case constants.EphemeralPartitionLabel:
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return Options{
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FormatOptions: *formatOptions,
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PartitionLabel: label,
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PartitionType: LinuxFilesystemData,
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Size: 0,
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}
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case constants.ImageCachePartitionLabel:
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return Options{
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FormatOptions: *formatOptions,
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PartitionLabel: label,
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PartitionType: LinuxFilesystemData,
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Size: 0,
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}
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default:
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panic(fmt.Sprintf("unknown partition label %q", label))
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}
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}
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