1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
package wclayer
import (
"context"
"strings"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// CreateScratchLayer creates and populates new read-write layer for use by a container.
// This requires the full list of paths to all parent layers up to the base
func CreateScratchLayer(ctx context.Context, path string, parentLayerPaths []string) (err error) {
title := "hcsshim::CreateScratchLayer"
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.StringAttribute("parentLayerPaths", strings.Join(parentLayerPaths, ", ")))
// Generate layer descriptors
layers, err := layerPathsToDescriptors(ctx, parentLayerPaths)
if err != nil {
return err
}
err = createSandboxLayer(&stdDriverInfo, path, 0, layers)
if err != nil {
return hcserror.New(err, title+" - failed", "")
}
return nil
}
|
