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17 commits

Author SHA1 Message Date
Tonis Tiigi
805223982c Generalize content addressable and reference storage
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2016-09-15 18:08:19 -07:00
Yong Tang
a72b45dbec Fix logrus formatting
This fix tries to fix logrus formatting by removing `f` from
`logrus.[Error|Warn|Debug|Fatal|Panic|Info]f` when formatting string
is not present.

This fix fixes #23459.

Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2016-06-11 13:16:55 -07:00
Vincent Demeester
3d4b3cb424 Merge pull request #21676 from aaronlehmann/tmpfile-close
Pull: only close temporary file once
2016-03-31 11:49:37 +02:00
Aaron Lehmann
930ae3dbcb Pull: only close temporary file once
Close could be called twice on a temporary download file, which could
have bad side effects.

This fixes the problem by setting to ld.tmpFile to nil when the download
completes sucessfully. Then the call to ld.Close will have no effect,
and only the download manager will close the temporary file when it's
done extracting the layer from it. ld.Close will be responsible for
closing the file if we hit the retry limit and there is still a partial
download present.

Fixes #21675

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2016-03-30 22:44:54 -07:00
Aaron Lehmann
745892a7b2 Change v1 pull 404 message to include tag
The current error message is "Error: image [name] not found". This makes
sense from the perspective of the v1 pull, since we found the repository
doesn't exist over the v1 protocol. However, in the vast majority of
cases, this error will be produced by fallback situations, where we
first try to pull the tag with the v2 protocol, and then fall back the
v1 protocol, which probably isn't even supported by the server.
Including the tag in the error message makes a lot more sense since the
actual repository may exist on v2, but not the tag.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2016-03-29 10:04:59 -07:00
Aaron Lehmann
c44e7a3e63 Pass upstream client's user agent through to registry on operations beyond pulls
This adds support for the passthrough on build, push, login, and search.

Revamp the integration test to cover these cases and make it more
robust.

Use backticks instead of quoted strings for backslash-heavy string
contstands.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2016-03-21 14:31:47 -07:00
Mike Goelzer
d1502afb63 Pass upstream client's user agent through to registry on image pulls
Changes how the Engine interacts with Registry servers on image pull.
Previously, Engine sent a User-Agent string to the Registry server
that included only the Engine's version information.  This commit
appends to that string the fields from the User-Agent sent by the
client (e.g., Compose) of the Engine.  This allows Registry server
operators to understand what tools are actually generating pulls on
their registries.

Signed-off-by: Mike Goelzer <mgoelzer@docker.com>
2016-03-20 04:30:09 -07:00
Aaron Lehmann
8f26fe4f59 Push/pull errors improvement and cleanup
Several improvements to error handling:

- Introduce ImageConfigPullError type, wrapping errors related to
  downloading the image configuration blob in schema2. This allows for a
  more descriptive error message to be seen by the end user.

- Change some logrus.Debugf calls that display errors to logrus.Errorf.
  Add log lines in the push/pull fallback cases to make sure the errors
  leading to the fallback are shown.

- Move error-related types and functions which are only used by the
  distribution package out of the registry package.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2016-02-11 16:28:56 -08:00
Aaron Lehmann
f425529e7e Move temporary download file to download descriptor scope
This will allow it to be reused between download attempts in a
subsequent commit.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2016-02-09 14:12:28 -08:00
Daniel Nephin
61a49bb6ba Remove the use of dockerversion from the registry package
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2016-01-15 12:43:54 -05:00
Aaron Lehmann
891bbc17ec Make v1 pull/push output consistent with v2
- Use layer DiffIDs for progress output in v1 push. This makes the
  output consistent with v2 pushes, which means that a fallback to v1
  won't start progress bars for a different set of IDs.

- Change wording used in v1 status updates to be consistent with v2.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2015-12-16 15:02:24 -08:00
Aaron Lehmann
a57478d65f Do not fall back to the V1 protocol when we know we are talking to a V2 registry
If we detect a Docker-Distribution-Api-Version header indicating that
the registry speaks the V2 protocol, no fallback to V1 should take
place.

The same applies if a V2 registry operation succeeds while attempting a
push or pull.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2015-12-16 15:02:03 -08:00
Tonis Tiigi
ffded61dad Update Named reference with validation of conversions
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2015-12-16 11:58:52 -08:00
Tonis Tiigi
2655954c2d Add own reference package wrapper
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2015-12-16 11:58:52 -08:00
Aaron Lehmann
572ce80230 Improved push and pull with upload manager and download manager
This commit adds a transfer manager which deduplicates and schedules
transfers, and also an upload manager and download manager that build on
top of the transfer manager to provide high-level interfaces for uploads
and downloads. The push and pull code is modified to use these building
blocks.

Some benefits of the changes:

- Simplification of push/pull code
- Pushes can upload layers concurrently
- Failed downloads and uploads are retried after backoff delays
- Cancellation is supported, but individual transfers will only be
  cancelled if all pushes or pulls using them are cancelled.
- The distribution code is decoupled from Docker Engine packages and API
  conventions (i.e. streamformatter), which will make it easier to split
  out.

This commit also includes unit tests for the new distribution/xfer
package. The tests cover 87.8% of the statements in the package.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2015-12-09 19:13:35 -08:00
Tonis Tiigi
20e759ab56 Validate adding digests to tagstore with go types
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2015-11-25 15:06:51 -08:00
Aaron Lehmann
694df3ff9f Add distribution package
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2015-11-24 09:40:24 -08:00