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overlay_create.go
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/
overlay_create.go
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// Copyright (c) Contributors to the Apptainer project, established as
// Apptainer a Series of LF Projects LLC.
// For website terms of use, trademark policy, privacy policy and other
// project policies see https://lfprojects.org/policies
package cli
import (
"github.com/apptainer/apptainer/docs"
"github.com/apptainer/apptainer/internal/app/apptainer"
"github.com/apptainer/apptainer/pkg/cmdline"
"github.com/apptainer/apptainer/pkg/sylog"
"github.com/spf13/cobra"
)
var (
overlaySize int
overlayDirs []string
)
// -s|--size
var overlaySizeFlag = cmdline.Flag{
ID: "overlaySizeFlag",
Value: &overlaySize,
DefaultValue: 64,
Name: "size",
ShortHand: "s",
Usage: "size of the EXT3 writable overlay in MiB",
}
// --create-dir
var overlayCreateDirFlag = cmdline.Flag{
ID: "overlayCreateDirFlag",
Value: &overlayDirs,
DefaultValue: []string{},
Name: "create-dir",
Usage: "directory to create as part of the overlay layout",
}
// OverlayCreateCmd is the 'overlay create' command that allows to create writable overlay.
var OverlayCreateCmd = &cobra.Command{
Args: cobra.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
if err := apptainer.OverlayCreate(overlaySize, args[0], overlayDirs...); err != nil {
sylog.Fatalf(err.Error())
}
return nil
},
DisableFlagsInUseLine: true,
Use: docs.OverlayCreateUse,
Short: docs.OverlayCreateShort,
Long: docs.OverlayCreateLong,
Example: docs.OverlayCreateExample,
}