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8 commits

Author SHA1 Message Date
Daniel Nephin
4f0d95fa6e Add canonical import comment
Signed-off-by: Daniel Nephin <dnephin@docker.com>
2018-02-05 16:51:57 -05:00
Yong Tang
f509a54bdd Add test case for docker ps -f health=starting
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
2018-01-07 05:10:36 +00:00
Aaron Lehmann
1d9546fc62 container: Fix Delete on nonexistent container
Delete needs to release names related to a container even if that
container isn't present in the db. However, slightly overzealous error
checking causes the transaction to get rolled back. Ignore the error
from Delete on the container itself, since it may not be present.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2017-07-26 16:45:54 -07:00
Aaron Lehmann
bc3209bc15 container: Abort transactions when memdb calls fail
Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2017-07-13 12:35:02 -07:00
Aaron Lehmann
1128fc1add Store container names in memdb
Currently, names are maintained by a separate system called "registrar".
This means there is no way to atomically snapshot the state of
containers and the names associated with them.

We can add this atomicity and simplify the code by storing name
associations in the memdb. This removes the need for pkg/registrar, and
makes snapshots a lot less expensive because they no longer need to copy
all the names. This change also avoids some problematic behavior from
pkg/registrar where it returns slices which may be modified later on.

Note that while this change makes the *snapshotting* atomic, it doesn't
yet do anything to make sure containers are named at the same time that
they are added to the database. We can do that by adding a transactional
interface, either as a followup, or as part of this PR.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2017-07-13 12:35:00 -07:00
Fabio Kung
edad52707c save deep copies of Container in the replica store
Reuse existing structures and rely on json serialization to deep copy
Container objects.

Also consolidate all "save" operations on container.CheckpointTo, which
now both saves a serialized json to disk, and replicates state to the
ACID in-memory store.

Signed-off-by: Fabio Kung <fabio.kung@gmail.com>
2017-06-23 07:52:33 -07:00
Fabio Kung
aacddda89d Move checkpointing to the Container object
Also hide ViewDB behind an inteface.

Signed-off-by: Fabio Kung <fabio.kung@gmail.com>
2017-06-23 07:52:32 -07:00
Fabio Kung
054728b1f5 in-memory ACID store for containers
This can be used by readers/queries so they don't need locks.

Signed-off-by: Fabio Kung <fabio.kung@gmail.com>
2017-06-23 07:24:11 -07:00