Commit graph

6 commits

Author SHA1 Message Date
Stephen J Day
aeffd4f92c
btrfs: test btrfs snapshots with driver suite
We now include btrfs in the snapshot driver test suite. This includes
the addition of parent links and name hashing into the btrfs driver.
We'll probably endup replacing this with a common metadata store, as
these relationships are generally identical between implementations.

A small bug was discovered in the delete implementation in the course
testing, so the btrfs package has been updated with a fix.

The overlay driver was modified accordingly with the btrfs driver to use
`Driver` as the exported type of each driver packge.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
2017-02-03 15:54:11 -08:00
Stephen J Day
68fd25221d
snapshot: define the snapshot driver interface
We now define the `snapshot.Driver` interface based on earlier work.
Many details of the model are worked out, such as snapshot lifecycle and
parentage of commits against "Active" snapshots.

The impetus of this change is to provide a snapshot POC that does a
complete push/pull workflow. The beginnings of a test suite for snapshot
drivers is included that we can use to verify the assumptions of
drivers. The intent is to port the existing tests over to this test
suite and start scaling contributions and test to the snapshot driver
subsystem.

There are still some details that need to be worked out, such as listing
and metadata access. We can do this activity as we further integrate
with tooling.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
2017-02-02 18:06:02 -08:00
Samuel Karp
cacda40317 snapshot: Separate tests using root from non-root
Signed-off-by: Samuel Karp <skarp@amazon.com>
2017-01-25 17:13:29 -08:00
Akihiro Suda
1f763301a6 snapshot: fix terminology inconsistency
LayerManipulator, SnapshotManipulator -> SnapshotManager

Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
2017-01-20 02:02:29 +00:00
Michael Crosby
a7a6270f2a Remove shelling out to mount
Also remove the target from the Mount struct because it should not be
used at all.  The target can be variable and set by a caller, not by the
snapshot drivers.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2017-01-18 11:10:31 -08:00
Stephen J Day
e3f83fd53d snapshots: separate implementations into packages
Signed-off-by: Stephen J Day <stephen.day@docker.com>
2017-01-13 15:32:41 -08:00