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4 commits

Author SHA1 Message Date
Tonis Tiigi
50a498ea1c Verify layer tarstream
This adds verification for getting layer data out
of layerstore. These failures should only be possible
if layer metadata files have been manually changed
of if something is wrong with tar-split algorithm.

Failing early makes sure we don’t upload invalid data
to the registries where it would fail after someone
tries to pull it.

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
(cherry picked from commit e29e580f7f)
2016-02-17 14:26:16 -05:00
Tonis Tiigi
a8f88ef403 Parallel migration and optimizations
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2016-01-04 09:48:52 -08:00
Aaron Lehmann
21278efaee Make TarStream return an io.ReadCloser
Currently, the resources associated with the io.Reader returned by
TarStream are only freed when it is read until EOF. This means that
partial uploads or exports (for example, in the case of a full disk or
severed connection) can leak a goroutine and open file. This commit
changes TarStream to return an io.ReadCloser. Resources are freed when
Close is called.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2015-11-25 16:39:54 -08:00
Derek McGowan
500e77bad0 Add layer store
Layer store manages read-only and read-write layers on a union file system.
Read only layers are always referenced by content addresses.
Read-write layer identifiers are handled by the caller but upon registering
its difference, the committed read-only layer will be referenced by content
hash.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2015-11-24 09:40:23 -08:00