31 lines
786 B
Go
31 lines
786 B
Go
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package hcsshim
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import "github.com/Sirupsen/logrus"
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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(info DriverInfo, id string) (bool, error) {
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title := "hcsshim::LayerExists "
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logrus.Debugf(title+"Flavour %d ID %s", info.Flavour, id)
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// Convert info to API calling convention
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infop, err := convertDriverInfo(info)
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if err != nil {
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logrus.Error(err)
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return false, err
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}
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// Call the procedure itself.
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var exists uint32
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err = layerExists(&infop, id, &exists)
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if err != nil {
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err = makeErrorf(err, title, "id=%s flavour=%d", id, info.Flavour)
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logrus.Error(err)
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return false, err
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}
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logrus.Debugf(title+"succeeded flavour=%d id=%s exists=%d", info.Flavour, id, exists)
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return exists != 0, nil
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}
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