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Migrate the Podman code base over to `common/libimage` which replaces
`libpod/image` and a lot of glue code entirely.
Note that I tried to leave bread crumbs for changed tests.
Miscellaneous changes:
* Some errors yield different messages which required to alter some
tests.
* I fixed some pre-existing issues in the code. Others were marked as
`//TODO`s to prevent the PR from exploding.
* The `NamesHistory` of an image is returned as is from the storage.
Previously, we did some filtering which I think is undesirable.
Instead we should return the data as stored in the storage.
* Touched handlers use the ABI interfaces where possible.
* Local image resolution: previously Podman would match "foo" on
"myfoo". This behaviour has been changed and Podman will now
only match on repository boundaries such that "foo" would match
"my/foo" but not "myfoo". I consider the old behaviour to be a
bug, at the very least an exotic corner case.
* Futhermore, "foo:none" does *not* resolve to a local image "foo"
without tag anymore. It's a hill I am (almost) willing to die on.
* `image prune` prints the IDs of pruned images. Previously, in some
cases, the names were printed instead. The API clearly states ID,
so we should stick to it.
* Compat endpoint image removal with _force_ deletes the entire not
only the specified tag.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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This should make the unit tests pass on updated CI images.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Add support for short-name aliasing.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Support loading and saving tarballs with more than one image.
Add a new `/libpod/images/export` endpoint to the rest API to
allow for exporting/saving multiple images into an archive.
Note that a non-release version of containers/image is vendored.
A release version must be vendored before cutting a new Podman
release. We force the containers/image version via a replace in
the go.mod file; this way go won't try to match the versions.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Move to containers/image v5 and containers/buildah to v1.11.4.
Replace an equality check with a type assertion when checking for a
docker.ErrUnauthorizedForCredentials in `podman login`.
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com>
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This requires updating all import paths throughout, and a matching
buildah update to interoperate.
I can't figure out the reason for go.mod tracking
github.com/containers/image v3.0.2+incompatible // indirect
((go mod graph) lists it as a direct dependency of libpod, but
(go list -json -m all) lists it as an indirect dependency),
but at least looking at the vendor subdirectory, it doesn't seem
to be actually used in the built binaries.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
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CHANGES BEHAVIOR.
This bypasses .assemble, and preserves the original
lack of tag / original digest instead of adding :latest/:none
(still subject to ParseStoreReference normalization).
Using the original digest seems clearly correct; dropping the :latest
suffix from .image strings, and adding /library to docker.io/shortname,
only affects user-visible input; later uses of the return value of
pullImageFrom... use ParseStoreReference, which calls reference.ParseNormalizedNamed
and reference.TagNameOnly, so the image name should be processed
the same way whether it contains a tag, or libray/, or not.
This also allows us to drop the problematic hasShaInInputName heuristic/condition/helper.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
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CHANGES BEHAVIOR.
This bypasses .assemble, and preserves the original
lack of tag / original digest instead of adding :latest/:none
(still subject to ParseStoreReference normalization).
Using the original digest seems clearly correct; dropping the :latest
suffix from .image strings only affects user-visible input; later
uses of the return value of pullImageFrom... use ParseStoreReference,
which calls reference.TagNameOnly, so the image name should be processed
the same way whether it contains a tag or not.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
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CHANGES BEHAVIOR.
If the name is qualified, instead of decomposing it into components and
re-assembling, just use the input name unmodified:
- For name:tag values, .assemble() just recreates the input.
- For untagged values, .assemble() adds ":latest"; we keep
the input as is, but both docker.ParseReference and storage.Transport.ParseStoreReference
use reference.TagNameOnly() already.
- For digested references, .assemble() adds ":none", but
the code was already bypassing .assemble() on that path
already - for the source reference. For the destination,
this replaces a :none destination with a the @digest reference,
as expected.
Note that while decompose() has already parsed the input,
it (intentionally) bypassed the docker.io/library normalization;
therefore we parse the input again (via docker.ParseReference) to ensure
that the reference is normalized.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
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Currently `podman pull rhel7/rhel-tools` is failing because it
sees rhel7 as a registry. This change will verify that the returned
registry from the parser is actually a registry and not a repo,
if a repo it will return the correct content, and we will pull the image.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Closes: #1387
Approved by: mtrmac
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This more or less reverts 9c9401a96c0b7d43dcea19c2972ef9612cc0a136
"Replace getPullRefPair with getPullRefName"; now that tests don't require
us to use pullRefName, move creation of storage references deeper into the
calls stack to reduce string use.
ir.getSinglePullRefNameGoal is accordingly updated to ir.getSinglePullRefPairGoal,
and we need to add a ~duplicate singlePullRefPairGoal; that duplication
of singlePullRefNameGoal will soon be resolved by dropping singlePullRefNameGoal.
Should not change behavior.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1198
Approved by: mheon
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Similarly to pullGoalNamesFromImageReference, use a storage.Store and
test the actually created references; that is more representative,
and clearly shows the impact of further normalization in
storageReference (like defaulting to :latest on NameOnly references).
Only modifies tests, so does not change behavior.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1198
Approved by: mheon
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pullGoalNamesFromImageReference
pullGoalNamesFromImageReference has been added only to allow testing without
a storage.Store, because I thought that a storage.Store can only be created
by root.
It turns out that non-root stores, at least good enough for reference
parsing and formatting, are possible (and have existed in c/image/storage
tests), so this creates such a store, and modifies the existing
test to test the created c/image/storage.storageReference values
instead of strings; that is more representative, and clearly shows
the impact of further normalization in storageReference (like
defaulting to :latest on NameOnly references).
Eventually we will want to get rid of pullGoalNames / pullRefName.
Only modifies tests, so does not change behavior.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1198
Approved by: mheon
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... when we even only count them.
This eliminates a rare error case, and saves time re-reading and re-parsing
the input.
(We still compute registryPath redundantly, and it may get out of sync.)
Should not change behavior (but does not add unit tests).
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1176
Approved by: rhatdan
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Instead of duplicating the hasRegistry logic, just record whether we
did use search or not.
Should not change behavior (but does not add unit tests for all of it).
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1176
Approved by: rhatdan
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Instead, encode it explicitly in pullGoal.pullAllPairs.
Should not change behavior (but does not add unit tests for
all of it).
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1176
Approved by: rhatdan
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This is an intermediate version of pullGoal, which exists basically
only for easier testing without containers-storage: (i.e. root access)
in unit tests.
Like pullGoal, we will add more members to make it useful in the future.
RFC: Unlike pullGoal, the return value is *pullGoalNames, because there are
quite a few (return nil, err) cases which would be more difficult to read
when returning a value.
Should not change behavior.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1176
Approved by: rhatdan
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We are passing the values, don't really need the pointer sharing semantics,
and the structures are small enough, and the arrays short enough,
that we very likely lose on the indirect accesses more than we save on
quicker copying of the slices when extending them. Value semantics
is safer anyway.
Should not change behavior.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1176
Approved by: rhatdan
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... it is always nil.
Should not change behavior.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1176
Approved by: rhatdan
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Again, that makes the core logic independent from Runtime == containers-storage,
and easier to test independently.
So, this also adds tests.
Should not change behavior.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1176
Approved by: rhatdan
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... and use pullRefPairsFromRefNames to convert to the
desired data structure later.
This will make both getPullRefName, and later the bulk of
getPullListFromRef, independent of the storage, and thus much easier to test.
Then add tests for getPullRefName. (Ideally they should be shorter,
e.g. hopefully the .image member can be eliminated.)
Should not change behavior, except that error messages on invalid
dstName will now include the value.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1176
Approved by: rhatdan
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... which finally makes it very easy to add comprehensive tests; so do that.
Should not change behavior.
Signed-off-by: Miloslav Trmač <mitr@redhat.com>
Closes: #1112
Approved by: rhatdan
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