This allows images to be pulled by tag and then
checked against the digest. If digest is added directly
to the image reference, then tag is ignored.
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This is more versatile function that works for any source,
not just images.
It can be used together with a policy that switches
between input and output source as well as for adding
additional metadata for other sources in the future.
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
Before this change, ResolveImageConfig was unaware of source policies.
This means that:
1. Images for denied sources may be resolved
2. Image configs may get pulled for sources that are later converted to
a different image
The update makes it so the image resolver first runs a given ref through
the source policy and uses any mutated ref for the actual resolve
(instead of the original ref).
It also returns the mutated ref so it can be used correctly by the
frontend (e.g. don't want to do llb.Image(oldRef@resolvedDigest)).
Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This breaking api change refactors the LLB API to prevent reference
mangling and demangling throughout OCI access. Once the session and
store IDs have been determined in the dockerfile frontend, we keep them
the same, and attach them as additional properties.
This has the additional effect of making the actual reference used in
the image resolution arbitrary, since we only parse and access the
digest. The rest of the name can be selected to optimize for log
readability.
Signed-off-by: Justin Chadwell <me@jedevc.com>
Adds a new `WithLayerLimit` option to `llb.Image`
only pulls specified number of layers instead of
full image.
This can be used in combination with DiffOp/MergeOp
to pull any subset of layers from an image in any order.
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
