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rbd: Add getImageID to get id of an image
add a new function called getImageID to fetch the image id of an image which need to be stored and retrived for Delete operation. Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
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@ -235,6 +235,25 @@ func (rv *rbdVolume) openIoctx() error {
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return nil
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}
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// getImageID queries rbd about the given image and stores its id, returns
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// ErrImageNotFound if provided image is not found
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func (rv *rbdVolume) getImageID() error {
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if rv.ImageID != "" {
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return nil
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}
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image, err := rv.open()
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if err != nil {
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return err
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}
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defer image.Close()
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id, err := image.GetId()
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if err != nil {
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return err
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}
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rv.ImageID = id
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return nil
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}
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// open the rbdVolume after it has been connected.
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// ErrPoolNotFound or ErrImageNotFound are returned in case the pool or image
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// can not be found, other errors will contain more details about other issues
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