daa1ea522b
Details about CimFs project are discussed in #8346 Signed-off-by: Amit Barve <ambarve@microsoft.com>
57 lines
1.5 KiB
Go
57 lines
1.5 KiB
Go
//go:build windows
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package runhcs
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import (
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"context"
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"errors"
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"path/filepath"
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"strconv"
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)
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// CreateScratch creates a scratch vhdx at 'destpath' that is ext4 formatted.
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func (r *Runhcs) CreateScratch(ctx context.Context, destpath string) error {
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return r.CreateScratchWithOpts(ctx, destpath, nil)
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}
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// CreateScratchOpts is the set of options that can be used with the
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// `CreateScratchWithOpts` command.
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type CreateScratchOpts struct {
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// SizeGB is the size in GB of the scratch file to create.
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SizeGB int
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// CacheFile is the path to an existing `scratch.vhx` to copy. If
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// `CacheFile` does not exit the scratch will be created.
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CacheFile string
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}
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func (opt *CreateScratchOpts) args() ([]string, error) {
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var out []string
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if opt.SizeGB < 0 {
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return nil, errors.New("sizeGB must be >= 0")
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} else if opt.SizeGB > 0 {
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out = append(out, "--sizeGB", strconv.Itoa(opt.SizeGB))
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}
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if opt.CacheFile != "" {
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abs, err := filepath.Abs(opt.CacheFile)
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if err != nil {
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return nil, err
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}
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out = append(out, "--cache-path", abs)
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}
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return out, nil
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}
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// CreateScratchWithOpts creates a scratch vhdx at 'destpath' that is ext4
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// formatted based on `opts`.
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func (r *Runhcs) CreateScratchWithOpts(ctx context.Context, destpath string, opts *CreateScratchOpts) error {
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args := []string{"create-scratch", "--destpath", destpath}
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if opts != nil {
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oargs, err := opts.args()
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if err != nil {
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return err
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}
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args = append(args, oargs...)
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}
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return r.runOrError(r.command(ctx, args...))
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}
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