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28 lines
891 B
Go
28 lines
891 B
Go
package wclayer
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import (
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"context"
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"github.com/Microsoft/hcsshim/internal/hcserror"
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"github.com/Microsoft/hcsshim/internal/oc"
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"go.opencensus.io/trace"
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)
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// ActivateLayer will find the layer with the given id and mount it's filesystem.
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// For a read/write layer, the mounted filesystem will appear as a volume on the
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// host, while a read-only layer is generally expected to be a no-op.
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// An activated layer must later be deactivated via DeactivateLayer.
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func ActivateLayer(ctx context.Context, path string) (err error) {
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title := "hcsshim::ActivateLayer"
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ctx, span := trace.StartSpan(ctx, title) //nolint:ineffassign,staticcheck
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defer span.End()
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defer func() { oc.SetSpanStatus(span, err) }()
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span.AddAttributes(trace.StringAttribute("path", path))
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err = activateLayer(&stdDriverInfo, path)
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if err != nil {
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return hcserror.New(err, title+" - failed", "")
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}
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return nil
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}
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