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Author SHA1 Message Date
Rob Cowsill
42dba8c3f9
Fix spurious error from "docker load"
"docker load" validates parent links by comparing image histories, and the
History struct has a time.Time member "Created". Time.UnmarshalJSON can read
RFC3339 timestamps with offset "+00:00", but t.MarshalJSON writes them with
offset "Z". Equivalent times in these two formats are not equal when compared
with the == operator.

This causes checkValidParent to incorrectly return false when the parent image
history contains times using offset "+00:00". In that case the history copied
to the child image will have been converted into "Z" form when marshaled out.

This patch adds an "Equal" method to History, which compares "Created" times
with t.Equal. This is used instead of reflect.DeepEqual in checkValidParent.

Signed-off-by: Rob Cowsill <42620235+rcowsill@users.noreply.github.com>
2021-01-21 22:04:23 +00:00
Sebastiaan van Stijn
9f0b3f5609
bump gotest.tools v3.0.1 for compatibility with Go 1.14
full diff: https://github.com/gotestyourself/gotest.tools/compare/v2.3.0...v3.0.1

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2020-02-11 00:06:42 +01:00
Vincent Demeester
3845728524
Update tests to use gotest.tools 👼
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2018-06-13 09:04:30 +02:00
Daniel Nephin
c9e52bd0da Post migration assertion fixes
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-03-16 11:03:46 -04:00
Daniel Nephin
6be0f70983 Automated migration using
gty-migrate-from-testify --ignore-build-tags

Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-03-16 11:03:43 -04:00
Daniel Nephin
4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00
John Howard
d98ecf2d6c LCOW: API change JSON header to string POST parameter
Signed-off-by: John Howard <jhoward@microsoft.com>
2017-10-06 15:26:48 -07:00
chchliang
832f39c2ed add Images testcase
Signed-off-by: chchliang <chen.chuanliang@zte.com.cn>
2017-09-21 17:54:29 +08:00
Daniel Nephin
b50ade0bfb Fix multiple copy from
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2017-07-12 12:36:03 -04:00
Aaron Lehmann
6052f2b396 Remove pkg/testutil/assert in favor of testify
I noticed that we're using a homegrown package for assertions. The
functions are extremely similar to testify, but with enough slight
differences to be confusing (for example, Equal takes its arguments in a
different order). We already vendor testify, and it's used in a few
places by tests.

I also found some problems with pkg/testutil/assert. For example, the
NotNil function seems to be broken. It checks the argument against
"nil", which only works for an interface. If you pass in a nil map or
slice, the equality check will fail.

In the interest of avoiding NIH, I'm proposing replacing
pkg/testutil/assert with testify. The test code looks almost the same,
but we avoid the confusion of having two similar but slightly different
assertion packages, and having to maintain our own package instead of
using a commonly-used one.

In the process, I found a few places where the tests should halt if an
assertion fails, so I've made those cases (that I noticed) use "require"
instead of "assert", and I've vendored the "require" package from
testify alongside the already-present "assert" package.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2017-04-14 12:03:21 -07:00
Daniel Nephin
69d7362058 Use assertions in image package unit tests.
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2017-03-08 11:46:10 -05:00
yuexiao-wang
b2ec509a3f Fix incorrect info and format of error in image
Signed-off-by: yuexiao-wang <wang.yuexiao@zte.com.cn>
2016-12-20 18:20:15 +08:00
Tonis Tiigi
01ba0a935b Add image store
The image store abstracts image handling. It keeps track of the
available images, and makes it possible to delete existing images or
register new ones. The image store holds references to the underlying
layers for each image.

The image/v1 package provides compatibility functions for interoperating
with older (non-content-addressable) image structures.

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2015-11-24 09:40:24 -08:00
Tonis Tiigi
504e67b867 Calculate hash based image IDs on pull
Generate a hash chain involving the image configuration, layer digests,
and parent image hashes. Use the digests to compute IDs for each image
in a manifest, instead of using the remotely specified IDs.

To avoid breaking users' caches, check for images already in the graph
under old IDs, and avoid repulling an image if the version on disk under
the legacy ID ends up with the same digest that was computed from the
manifest for that image.

When a calculated ID already exists in the graph but can't be verified,
continue trying SHA256(digest) until a suitable ID is found.

"save" and "load" are not changed to use a similar scheme. "load" will
preserve the IDs present in the tar file.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2015-10-12 10:51:28 -07:00