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39b7a56f01
This PR changes the default disk size for cloud images to be 8GiB instead. This was prompted b/c the disk price in azure between tiers is doubled and the cutoff for the tier is 8GiB. Signed-off-by: Spencer Smith <spencer.smith@talos-systems.com>
54 lines
1.5 KiB
Go
54 lines
1.5 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 pkg
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import (
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"fmt"
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"log"
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"github.com/siderolabs/go-cmd/pkg/cmd"
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"github.com/siderolabs/talos/internal/app/machined/pkg/runtime"
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)
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const (
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// MinRAWDiskSize is the minimum size disk we can create. Used for metal images.
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MinRAWDiskSize = 1246
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// DefaultRAWDiskSize is the value we use for any non-metal images by default.
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DefaultRAWDiskSize = 8192
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)
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// CreateRawDisk creates a raw disk by invoking the `dd` command.
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func CreateRawDisk(p runtime.Platform, diskSize int) (img string, err error) {
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img = "/tmp/disk.raw"
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// In the case that no disk size is specified, determine if we should use the min size (metal images)
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// or the default for all other images.
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if diskSize == 0 {
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if p.Name() == "metal" {
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diskSize = MinRAWDiskSize
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} else {
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diskSize = DefaultRAWDiskSize
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}
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}
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// Protect against users creating a disk that's too small
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if diskSize < MinRAWDiskSize {
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log.Printf("specified disk size too small, using minimum value of %d MB", MinRAWDiskSize)
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diskSize = MinRAWDiskSize
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}
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log.Printf("creating raw disk of size %d MB", diskSize)
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seek := fmt.Sprintf("seek=%d", diskSize)
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if _, err = cmd.Run("dd", "if=/dev/zero", "of="+img, "bs=1M", "count=0", seek); err != nil {
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return "", fmt.Errorf("failed to create RAW disk: %w", err)
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}
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return img, nil
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}
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