mirror of https://github.com/k3d-io/k3d
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.2 KiB
75 lines
2.2 KiB
package computestorage
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/Microsoft/hcsshim/internal/oc"
|
|
"github.com/Microsoft/hcsshim/osversion"
|
|
"go.opencensus.io/trace"
|
|
"golang.org/x/sys/windows"
|
|
)
|
|
|
|
// SetupBaseOSLayer sets up a layer that contains a base OS for a container.
|
|
//
|
|
// `layerPath` is a path to a directory containing the layer.
|
|
//
|
|
// `vhdHandle` is an empty file handle of `options.Type == OsLayerTypeContainer`
|
|
// or else it is a file handle to the 'SystemTemplateBase.vhdx' if `options.Type
|
|
// == OsLayerTypeVm`.
|
|
//
|
|
// `options` are the options applied while processing the layer.
|
|
func SetupBaseOSLayer(ctx context.Context, layerPath string, vhdHandle windows.Handle, options OsLayerOptions) (err error) {
|
|
title := "hcsshim.SetupBaseOSLayer"
|
|
ctx, span := trace.StartSpan(ctx, title)
|
|
defer span.End()
|
|
defer func() { oc.SetSpanStatus(span, err) }()
|
|
span.AddAttributes(
|
|
trace.StringAttribute("layerPath", layerPath),
|
|
)
|
|
|
|
bytes, err := json.Marshal(options)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = hcsSetupBaseOSLayer(layerPath, vhdHandle, string(bytes))
|
|
if err != nil {
|
|
return fmt.Errorf("failed to setup base OS layer: %s", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// SetupBaseOSVolume sets up a volume that contains a base OS for a container.
|
|
//
|
|
// `layerPath` is a path to a directory containing the layer.
|
|
//
|
|
// `volumePath` is the path to the volume to be used for setup.
|
|
//
|
|
// `options` are the options applied while processing the layer.
|
|
func SetupBaseOSVolume(ctx context.Context, layerPath, volumePath string, options OsLayerOptions) (err error) {
|
|
if osversion.Get().Build < 19645 {
|
|
return errors.New("SetupBaseOSVolume is not present on builds older than 19645")
|
|
}
|
|
title := "hcsshim.SetupBaseOSVolume"
|
|
ctx, span := trace.StartSpan(ctx, title)
|
|
defer span.End()
|
|
defer func() { oc.SetSpanStatus(span, err) }()
|
|
span.AddAttributes(
|
|
trace.StringAttribute("layerPath", layerPath),
|
|
trace.StringAttribute("volumePath", volumePath),
|
|
)
|
|
|
|
bytes, err := json.Marshal(options)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = hcsSetupBaseOSVolume(layerPath, volumePath, string(bytes))
|
|
if err != nil {
|
|
return fmt.Errorf("failed to setup base OS layer: %s", err)
|
|
}
|
|
return nil
|
|
}
|
|
|