Fix race condition issue to solve an issue about "panic: runtime error: invalid memory address or nil pointer dereference".
This fix stabilize Docker daemon under the situation of communication problem with Fluentd processes.
Signed-off-by: Satoshi Tagomori <tagomoris@gmail.com>
This adds a small C binary for fighting zombies. It is mounted under
`/dev/init` and is prepended to the args specified by the user. You
enable it via a daemon flag, `dockerd --init`, as it is disable by
default for backwards compat.
You can also override the daemon option or specify this on a per
container basis with `docker run --init=true|false`.
You can test this by running a process like this as the pid 1 in a
container and see the extra zombie that appears in the container as it
is running.
```c
int main(int argc, char ** argv) {
pid_t pid = fork();
if (pid == 0) {
pid = fork();
if (pid == 0) {
exit(0);
}
sleep(3);
exit(0);
}
printf("got pid %d and exited\n", pid);
sleep(20);
}
```
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
- Fixes#25325
- Fixes certain issues with workers leaving swarm and rejoining
- Adds cluster provider interface methods to support docker run on
overlay in swarm mode.
Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
moves ensure-frozen-images to go
moves ensure-syscall-test to go
moves ensure-nnp-test to go
moves ensure-httpserver to go
Also makes some of the fixtures load only for the required tests.
This makes sure that fixtures that won't be needed for a test run such as
`make TESTFLAGS='-check.f Swarm' test-integration-cli` (for example)
aren't loaded... like the syscall tests.
Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Adds a new task runtime to support network attachmemt for plain old
docker containers so that they can participate multi-host networks and
get access to services.
Signed-off-by: Jana Radhakrishnan <mrjana@docker.com>
Passses down BUILD_APT_MIRROR to the docker env.
Ensures BUILD_APT_MIRROR is used when building debs, but only when the
consuming `Dockerfile` actually uses it, otherwise it will cause the
build to fail (e.g. on Ubuntu builds we aren't using APT_MIRROR).
Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Adds a new bundle `verify-integration-tests` which pre-compiles a test
binary for the integration tests.
This makes sure that the integration tests will actually compile before
doing other tasks which take much longer, such as building dockerd and
loading test fixtures.
When it comes time to actually run the tests, the pre-compiled binary
will be used so it doesn't have to compile the tests a 2nd time.
Signed-off-by: Brian Goff <cpuguy83@gmail.com>
It makes systemd integration less intrusive, notably needed for
docker machine (cf. https://github.com/docker/machine/pull/3605).
The default storage driver would now be devicemapper, until the
deb package is updated.
Signed-off-by: Bilal Amarni <bilal.amarni@gmail.com>
