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Network.java
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Network.java
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package org.testcontainers.containers;
import com.github.dockerjava.api.command.CreateNetworkCmd;
import lombok.Builder;
import lombok.Getter;
import lombok.Singular;
import org.junit.rules.ExternalResource;
import org.junit.rules.TestRule;
import org.testcontainers.DockerClientFactory;
import org.testcontainers.utility.ResourceReaper;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.UUID;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.function.Consumer;
public interface Network extends AutoCloseable, TestRule {
Network SHARED = new NetworkImpl(false, null, Collections.emptySet(), null) {
@Override
public void close() {
// Do not allow users to close SHARED network, only ResourceReaper is allowed to close (destroy) it
}
};
String getId();
@Override
void close();
static Network newNetwork() {
return builder().build();
}
static NetworkImpl.NetworkImplBuilder builder() {
return NetworkImpl.builder();
}
@Builder
@Getter
class NetworkImpl extends ExternalResource implements Network {
private final String name = UUID.randomUUID().toString();
private Boolean enableIpv6;
private String driver;
@Singular
private Set<Consumer<CreateNetworkCmd>> createNetworkCmdModifiers;
@Deprecated
private String id;
private final AtomicBoolean initialized = new AtomicBoolean();
@Override
public synchronized String getId() {
if (initialized.compareAndSet(false, true)) {
id = create();
}
return id;
}
private String create() {
CreateNetworkCmd createNetworkCmd = DockerClientFactory.instance().client().createNetworkCmd();
createNetworkCmd.withName(name);
createNetworkCmd.withCheckDuplicate(true);
if (enableIpv6 != null) {
createNetworkCmd.withEnableIpv6(enableIpv6);
}
if (driver != null) {
createNetworkCmd.withDriver(driver);
}
for (Consumer<CreateNetworkCmd> consumer : createNetworkCmdModifiers) {
consumer.accept(createNetworkCmd);
}
Map<String, String> labels = createNetworkCmd.getLabels();
labels = new HashMap<>(labels != null ? labels : Collections.emptyMap());
labels.putAll(DockerClientFactory.DEFAULT_LABELS);
createNetworkCmd.withLabels(labels);
return createNetworkCmd.exec().getId();
}
@Override
protected void after() {
close();
}
@Override
public synchronized void close() {
if (initialized.getAndSet(false)) {
ResourceReaper.instance().removeNetworkById(id);
}
}
}
}