Treat (storage/graph)Driver as snapshotter
Also moved some layerStore related initialization to the non-c8d case
because otherwise they get treated as a graphdriver plugins.
Co-authored-by: Sebastiaan van Stijn <github@gone.nl>
Signed-off-by: Djordje Lukic <djordje.lukic@docker.com>
Signed-off-by: Paweł Gronowski <pawel.gronowski@docker.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This splits the ImageService methods to separate files, to closer
match the existing implementation, and to reduce the amount of code
per file, making it easier to read, and to reduce merge conflicts if
new functionality is added.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>