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>
Upstream-commit: f37117045c5398fd3dca8016ea8ca0cb47e7312b
Component: engine
Symlinks are currently not getting cleaned up when removing layers since only the root directory is removed.
On remove, read the link file and remove the associated link from the link directory.
Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
Upstream-commit: e6f2e7646c813e8225b0bc16d3a0c13c76a9cd97
Component: engine
The security infomation has already been added to `GET /info` in #21172.
However, it is not part of the output of `docker info` yet.
This fix adds the security information to `docker info`.
Additional tests has been added to cover changes.
This fix fixes#23500. This fix is related to #20909, #21172.
Signed-off-by: Yong Tang <yong.tang.github@outlook.com>
Upstream-commit: eee20b564ffae0b8c8043115c959f0f9d1869fed
Component: engine
This file was accidentally re-added as part of a rebase.
Signed-off-by: Daniel Nephin <dnephin@docker.com>
Upstream-commit: 19d6960b5bab7598b15091e5d9e9ee3b24537511
Component: engine
This change updates how we handle long lines of output from the
container. The previous logic used a bufio reader to read entire lines
of output from the container through an intermediate BytesPipe, and that
allowed the container to cause dockerd to consume an unconstrained
amount of memory as it attempted to collect a whole line of output, by
outputting data without newlines.
To avoid that, we replace the bufio reader with our own buffering scheme
that handles log lines up to 16k in length, breaking up anything longer
than that into multiple chunks. If we can dispense with noting this
detail properly at the end of output, we can switch from using
ReadBytes() to using ReadLine() instead. We add a field ("Partial") to
the log message structure to flag when we pass data to the log driver
that did not end with a newline.
The Line member of Message structures that we pass to log drivers is now
a slice into data which can be overwritten between calls to the log
driver's Log() method, so drivers which batch up Messages before
processing them need to take additional care: we add a function
(logger.CopyMessage()) that can be used to create a deep copy of a
Message structure, and modify the awslogs driver to use it.
We update the jsonfile log driver to append a "\n" to the data that it
logs to disk only when the Partial flag is false (it previously did so
unconditionally), to make its "logs" output correctly reproduce the data
as we received it.
Likewise, we modify the journald log driver to add a data field with
value CONTAINER_PARTIAL_MESSAGE=true to entries when the Partial flag is
true, and update its "logs" reader to refrain from appending a "\n" to
the data that it retrieves if it does not see this field/value pair (it
also previously did this unconditionally).
Signed-off-by: Nalin Dahyabhai <nalin@redhat.com> (github: nalind)
Upstream-commit: 513ec73831269947d38a644c278ce3cac36783b2
Component: engine
Right now, if we hit an error retrieving the exit code in HCS process.ExitCode, we return that 0 and that error. Golang convention says that if an error is returned the other values should not be used, but the caller of ExitCode in libcontainerd has to fall through if an error is received. Rather than return a success exit code in that failure case, we should return -1 to indicate a generic failure.
Signed-off-by: Stefan J. Wernli <swernli@microsoft.com>
Upstream-commit: 17c1b9c061139a2655252f6fb5e36f616a8c5f5e
Component: engine
We added docs about ecryptfs check but not in code side.
Also refactor code to make it clean.
Signed-off-by: Kai Qiang Wu(Kennan) <wkqwu@cn.ibm.com>
Upstream-commit: 136323b04315eceffbed61d680878ed23cecc015
Component: engine
Lei Jitang
Arnaud Porterie (icecrime)
Charles Smith
Michael Crosby
Sebastiaan van Stijn
Victor Vieux
Sebastiaan van Stijn
Alexander Morozov
Alessandro Boch
Tibor Vass
Brian Goff
Tomasz Kopczynski
Daniel Nephin
Anusha Ragunathan
Tiffany Jernigan
Mike Goelzer
Derek McGowan
Yong Tang
Nalin Dahyabhai
Tibor Vass
Alexander Morozov
Tonis Tiigi
Stefan J. Wernli
Vincent Demeester
Kenfe-Mickael Laventure
Kai Qiang Wu(Kennan)