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31 lines
844 B
Go
31 lines
844 B
Go
//go:build windows
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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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// LayerExists will return true if a layer with the given id exists and is known
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// to the system.
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func LayerExists(ctx context.Context, path string) (_ bool, err error) {
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title := "hcsshim::LayerExists"
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ctx, span := oc.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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// Call the procedure itself.
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var exists uint32
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err = layerExists(&stdDriverInfo, path, &exists)
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if err != nil {
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return false, hcserror.New(err, title, "")
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}
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span.AddAttributes(trace.BoolAttribute("layer-exists", exists != 0))
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return exists != 0, nil
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}
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