72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package main
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import (
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"os"
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"path/filepath"
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"github.com/Microsoft/hcsshim/internal/appargs"
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"github.com/Microsoft/hcsshim/internal/lcow"
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"github.com/Microsoft/hcsshim/internal/uvm"
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"github.com/Microsoft/hcsshim/osversion"
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gcsclient "github.com/Microsoft/opengcs/client"
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"github.com/pkg/errors"
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"github.com/urfave/cli"
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)
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var createScratchCommand = cli.Command{
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Name: "create-scratch",
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Usage: "creates a scratch vhdx at 'destpath' that is ext4 formatted",
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Description: "Creates a scratch vhdx at 'destpath' that is ext4 formatted",
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Flags: []cli.Flag{
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cli.StringFlag{
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Name: "destpath",
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Usage: "Required: describes the destination vhd path",
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},
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},
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Before: appargs.Validate(),
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Action: func(context *cli.Context) error {
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dest := context.String("destpath")
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if dest == "" {
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return errors.New("'destpath' is required")
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}
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// If we only have v1 lcow support do it the old way.
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if osversion.Get().Build < osversion.RS5 {
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cfg := gcsclient.Config{
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Options: gcsclient.Options{
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KirdPath: filepath.Join(os.Getenv("ProgramFiles"), "Linux Containers"),
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KernelFile: "kernel",
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InitrdFile: uvm.InitrdFile,
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},
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Name: "createscratch-uvm",
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UvmTimeoutSeconds: 5 * 60, // 5 Min
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}
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if err := cfg.StartUtilityVM(); err != nil {
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return errors.Wrapf(err, "failed to start '%s'", cfg.Name)
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}
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defer cfg.Uvm.Terminate()
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if err := cfg.CreateExt4Vhdx(dest, lcow.DefaultScratchSizeGB, ""); err != nil {
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return errors.Wrapf(err, "failed to create ext4vhdx for '%s'", cfg.Name)
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}
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} else {
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opts := uvm.NewDefaultOptionsLCOW("createscratch-uvm", context.GlobalString("owner"))
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convertUVM, err := uvm.CreateLCOW(opts)
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if err != nil {
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return errors.Wrapf(err, "failed to create '%s'", opts.ID)
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}
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defer convertUVM.Close()
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if err := convertUVM.Start(); err != nil {
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return errors.Wrapf(err, "failed to start '%s'", opts.ID)
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}
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if err := lcow.CreateScratch(convertUVM, dest, lcow.DefaultScratchSizeGB, "", ""); err != nil {
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return errors.Wrapf(err, "failed to create ext4vhdx for '%s'", opts.ID)
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}
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}
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return nil
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},
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}
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