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8 commits

Author SHA1 Message Date
Anusha Ragunathan
42abccb841 Make daemon events listen for plugin lifecycle events.
Signed-off-by: Anusha Ragunathan <anusha@docker.com>
2016-07-26 10:51:47 -07:00
Anusha Ragunathan
b867f6c6e1 Check for plugin state before enable and disable.
This prevents unnecessary API call to containerd.

Signed-off-by: Anusha Ragunathan <anusha@docker.com>
2016-07-25 19:24:28 -07:00
Anusha Ragunathan
4a44cf1d4c Handle plugin shutdown when liveRestore is set.
When daemon has liveRestore set, daemon shutdown should not shutdown
plugins. Fixes #24759

Signed-off-by: Anusha Ragunathan <anusha@docker.com>
2016-07-22 15:26:43 -07:00
Anusha Ragunathan
21ecd5a93d Remove use of exec-root in plugins due to socket pathname limits.
Unix sockets are limited to 108 bytes. As a result, we need to be
careful in not using exec-root as the parent directory for pluginID
(which is already 64 bytes), since it can result in socket path names
longer than 108 bytes. Use /tmp instead. Before this change, setting:
- dockerd --exec-root=/go/src/github.com/do passes
- dockerd --exec-root=/go/src/github.com/doc fails
After this change, there's no failure.

Also, write a volume plugins test to verify that the plugins socket
responds.

Signed-off-by: Anusha Ragunathan <anusha@docker.com>
2016-07-15 09:17:29 -07:00
Anusha Ragunathan
863ab9ab13 Shutdown plugins during daemon shutdown.
Signed-off-by: Anusha Ragunathan <anusha@docker.com>
2016-07-11 14:21:27 -07:00
Tibor Vass
15ff9de658 plugins: remove automatic mounting of a state dir
Signed-off-by: Tibor Vass <tibor@docker.com>
2016-06-17 10:03:30 -07:00
Brian Goff
dfd9187305 Implement plugin restore after daemon restart
This ensures that:

- The in-memory plugin store is populated with all the plugins
- Plugins which were active before daemon restart are active after.
  This utilizes the liverestore feature when available, otherwise it
  manually starts the plugin.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
2016-06-15 13:39:33 -04:00
Tibor Vass
f37117045c plugins: experimental support for new plugin management
This patch introduces a new experimental engine-level plugin management
with a new API and command line. Plugins can be distributed via a Docker
registry, and their lifecycle is managed by the engine.
This makes plugins a first-class construct.

For more background, have a look at issue #20363.

Documentation is in a separate commit. If you want to understand how the
new plugin system works, you can start by reading the documentation.

Note: backwards compatibility with existing plugins is maintained,
albeit they won't benefit from the advantages of the new system.

Signed-off-by: Tibor Vass <tibor@docker.com>
Signed-off-by: Anusha Ragunathan <anusha@docker.com>
2016-06-14 14:20:27 -07:00