// This test tests the functionality of the docker's interfaces.
TEST(DockerTest, ROOT_DOCKER_interface)
{
string containerName = "mesos-docker-test";
Resources resources = Resources::parse("cpus:1;mem:512").get();
Docker docker = Docker::create(tests::flags.docker, false).get();
// Cleaning up the container first if it exists.
Future<Nothing> status = docker.rm(containerName, true);
ASSERT_TRUE(status.await(Seconds(10)));
// Verify that we do not see the container.
Future<list<Docker::Container> > containers = docker.ps(true, containerName);
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
Try<string> directory = environment->mkdtemp();
CHECK_SOME(directory) << "Failed to create temporary directory";
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::DOCKER);
ContainerInfo::DockerInfo dockerInfo;
dockerInfo.set_image("busybox");
containerInfo.mutable_docker()->CopyFrom(dockerInfo);
CommandInfo commandInfo;
commandInfo.set_value("sleep 120");
// Start the container.
status = docker.run(
containerInfo,
commandInfo,
containerName,
directory.get(),
"/mnt/mesos/sandbox",
resources);
AWAIT_READY(status);
// Should be able to see the container now.
containers = docker.ps();
AWAIT_READY(containers);
bool found = false;
foreach (const Docker::Container& container, containers.get()) {
if ("/" + containerName == container.name) {
found = true;
break;
}
}
EXPECT_TRUE(found);
Future<Docker::Container> container = docker.inspect(containerName);
AWAIT_READY(container);
// Test some fields of the container.
EXPECT_NE("", container.get().id);
EXPECT_EQ("/" + containerName, container.get().name);
EXPECT_SOME(container.get().pid);
// Kill the container.
status = docker.kill(containerName);
AWAIT_READY(status);
// Now, the container should not appear in the result of ps().
// But it should appear in the result of ps(true).
containers = docker.ps();
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
containers = docker.ps(true, containerName);
AWAIT_READY(containers);
found = false;
foreach (const Docker::Container& container, containers.get()) {
if ("/" + containerName == container.name) {
found = true;
break;
}
}
EXPECT_TRUE(found);
// Check the container's info, both id and name should remain the
// same since we haven't removed it, but the pid should be none
// since it's not running.
container = docker.inspect(containerName);
AWAIT_READY(container);
EXPECT_NE("", container.get().id);
EXPECT_EQ("/" + containerName, container.get().name);
EXPECT_NONE(container.get().pid);
// Remove the container.
status = docker.rm(containerName);
AWAIT_READY(status);
// Should not be able to inspect the container.
container = docker.inspect(containerName);
AWAIT_FAILED(container);
// Also, now we should not be able to see the container by invoking
// ps(true).
containers = docker.ps(true, containerName);
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
// Start the container again, this time we will do a "rm -f"
// directly, instead of killing and rm.
status = docker.run(
containerInfo,
commandInfo,
containerName,
directory.get(),
"/mnt/mesos/sandbox",
resources);
AWAIT_READY(status);
// Verify that the container is there.
containers = docker.ps();
AWAIT_READY(containers);
found = false;
foreach (const Docker::Container& container, containers.get()) {
if ("/" + containerName == container.name) {
found = true;
break;
}
}
EXPECT_TRUE(found);
// Then do a "rm -f".
status = docker.rm(containerName, true);
AWAIT_READY(status);
// Verify that the container is totally removed, that is we can't
// find it by ps() or ps(true).
containers = docker.ps();
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
containers = docker.ps(true, containerName);
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
}
