Adds CI jobs for SPI to cover the combinations of digest_strategy and encoding_format #965
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This is needed to construct a test around empty platforms, but the flag is hidden since it is not expected to be used in normal usage. Note that the act of creating an empty runtime via `spfs run - -- bash` causes an empty platform to be committed to storage. So it is possible, but it wasn't possible via `spfs commit`. Signed-off-by: J Robert Ray <jrray@jrray.org> Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
An empty platform, something that will get created in storage when starting an empty runtime, happens to have the same digest as a blob containing 8 null bytes. A file with 8 null bytes is something cargo will write in the target directory under some circumstances. Therefore, creating an spfs layer out of the target directory of a Rust project can corrupt the spfs storage, as the blob object does not get written since the file already exists, and that file is a platform object. This test serves to demonstrate the collision and then eventually verify the collision problem has been fixed. Signed-off-by: J Robert Ray <jrray@jrray.org> Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
If the blob is written first and an object with that digest didn't actually exist yet, then the blob "wins" control of that digest, and then creating the platform doesn't replace the digest file on disk, keeping it a blob. In that case, the test passes even though a collision problem still exists. Signed-off-by: J Robert Ray <jrray@jrray.org> Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
The original header used a u64 for the kind of each object, this is now split into pieces with two components and reserved space. Instead of 8 bytes for the uint we now have: [ epoch, !, !, !, !, !, !, kind ], where each '!' is reserved space Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
These two types look exactly the same, expect that the generated one makes the internal bytes public. This is not particulary problematic, and has the benefit of not needing to cast or convert any deserialized digests in the future. Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Move `Object::kind` out of `impl Object` into its own trait so the different object types can implement this trait and know their own kind. Signed-off-by: J Robert Ray <jrray@imageworks.com> Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
All top-level objects (that are constructed and stored on their own) are now a specific variantion on an underlying generic type FlatObject. These objects all contain the same AnyObject flatbuffer, with the more specific types having validated the contained data as a specific variant. The main side effects of this are that: - a new Variant enum is created to enable the existing match-based disambiguation pattern - the spfs Repository trait can now have a generic write_object function that no longer requires wrapping the data in an emum before calling - objects must be constructed using the flatbuffer api, and types that are not top-level (tree, entry) cannot be created individually - only seen as references to data within the Manifest object The removal of Tree and Entry as owned types also allows for removing their references in other areas. They can no longer be encoded and saved on their own, which was technically possible before but never done. Signed-off-by: Ryan Bottriell <ryan@bottriell.ca> Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <ryan@bottriell.ca> Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <ryan@bottriell.ca> Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <ryan@bottriell.ca> Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <ryan@bottriell.ca> Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <rbottriell@ilm.com>
Signed-off-by: Ryan Bottriell <ryan@bottriell.ca>
…_format Signed-off-by: David Gilligan-Cook <dcook@imageworks.com>
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This adds CI jobs for SPI to cover the combinations of digest_strategy and encoding_format settings so we have better testing coverage.