diff options
Diffstat (limited to 'vendor/github.com/Microsoft/hcsshim/computestorage/setup.go')
-rw-r--r-- | vendor/github.com/Microsoft/hcsshim/computestorage/setup.go | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/vendor/github.com/Microsoft/hcsshim/computestorage/setup.go b/vendor/github.com/Microsoft/hcsshim/computestorage/setup.go new file mode 100644 index 000000000..13ce0cd60 --- /dev/null +++ b/vendor/github.com/Microsoft/hcsshim/computestorage/setup.go @@ -0,0 +1,75 @@ +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 +} |