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Trino - Product tests launcher
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.trino.tests.product.launcher.testcontainers;
import io.trino.tests.product.launcher.env.DockerContainer;
import static java.util.Objects.requireNonNull;
public interface PortBinder
{
default void exposePort(DockerContainer container, int containerPort)
{
exposePort(container, containerPort, containerPort);
}
void exposePort(DockerContainer container, int hostPort, int containerPort);
class DefaultPortBinder
implements PortBinder
{
@Override
public void exposePort(DockerContainer container, int hostPort, int containerPort)
{
// By default expose container port on random host port
container.addExposedPort(containerPort);
}
}
class FixedPortBinder
implements PortBinder
{
@Override
public void exposePort(DockerContainer container, int hostPort, int containerPort)
{
container.addExposedPort(containerPort); // Still export port, at a random free number, as certain startup checks require this.
container.withFixedExposedPort(hostPort, containerPort);
}
}
// This method exposes port unconditionally on the host machine.
// It should be used for exposing debugging ports only as product tests
// containers are communicating on a Docker network between each other.
static void unsafelyExposePort(DockerContainer container, int port)
{
container.addExposedPort(port);
// This could lead to a conflict when port is already bound on the host machine
// preventing product tests environment from starting properly.
container.withFixedExposedPort(port, port);
}
class ShiftingPortBinder
implements PortBinder
{
private final PortBinder delegate;
private final int portBase;
public ShiftingPortBinder(PortBinder delegate, int portBase)
{
this.delegate = requireNonNull(delegate, "delegate is null");
this.portBase = portBase;
}
@Override
public void exposePort(DockerContainer container, int hostPort, int containerPort)
{
delegate.exposePort(container, portBase + hostPort, containerPort);
}
}
}