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Add TestcontainersHostPropertyClientStrategy (#7053)
New strategy to use `tc.host` in `~/.testcontainers.properties` to try and connect to docker. This strategy ensure that user-defined variables such as `DOCKER_HOST`, `TESTCONTAINERS_HOST_OVERRIDE` and `TESTCONTAINERS_DOCKER_SOCKET_OVERRIDE` do not have an effect. This strategy takes precedence over other strategies.
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63 changes: 63 additions & 0 deletions
63
...ava/org/testcontainers/dockerclient/TestcontainersHostPropertyClientProviderStrategy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| package org.testcontainers.dockerclient; | ||
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| import com.github.dockerjava.core.DefaultDockerClientConfig; | ||
| import com.github.dockerjava.core.DockerClientConfig; | ||
| import org.testcontainers.utility.TestcontainersConfiguration; | ||
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| import java.util.Optional; | ||
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| /** | ||
| * Use <code>tc.host</code> in <code>~/.testcontainers.properties</code> | ||
| * to try and locate a docker environment. | ||
| * | ||
| * @deprecated this class is used by the SPI and should not be used directly | ||
| */ | ||
| @Deprecated | ||
| public final class TestcontainersHostPropertyClientProviderStrategy extends DockerClientProviderStrategy { | ||
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| public static final int PRIORITY = EnvironmentAndSystemPropertyClientProviderStrategy.PRIORITY - 10; | ||
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| private final DockerClientConfig dockerClientConfig; | ||
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| public TestcontainersHostPropertyClientProviderStrategy() { | ||
| this(DefaultDockerClientConfig.createDefaultConfigBuilder()); | ||
| } | ||
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| public TestcontainersHostPropertyClientProviderStrategy(DefaultDockerClientConfig.Builder configBuilder) { | ||
| Optional<String> tcHost = Optional.ofNullable( | ||
| TestcontainersConfiguration.getInstance().getUserProperty("tc.host", null) | ||
| ); | ||
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| tcHost.ifPresent(configBuilder::withDockerHost); | ||
| this.dockerClientConfig = configBuilder.build(); | ||
| } | ||
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| @Override | ||
| public String getDescription() { | ||
| return "Testcontainers Host with tc.host=" + this.dockerClientConfig.getDockerHost(); | ||
| } | ||
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| @Override | ||
| public TransportConfig getTransportConfig() throws InvalidConfigurationException { | ||
| return TransportConfig | ||
| .builder() | ||
| .dockerHost(dockerClientConfig.getDockerHost()) | ||
| .sslConfig(dockerClientConfig.getSSLConfig()) | ||
| .build(); | ||
| } | ||
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| @Override | ||
| protected int getPriority() { | ||
| return PRIORITY; | ||
| } | ||
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| @Override | ||
| protected boolean isPersistable() { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public boolean allowUserOverrides() { | ||
| return false; | ||
| } | ||
| } |
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1
.../resources/META-INF/services/org.testcontainers.dockerclient.DockerClientProviderStrategy
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61 changes: 61 additions & 0 deletions
61
...org/testcontainers/dockerclient/TestcontainersHostPropertyClientProviderStrategyTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package org.testcontainers.dockerclient; | ||
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| import com.github.dockerjava.core.DefaultDockerClientConfig; | ||
| import org.junit.Before; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.mockito.Mockito; | ||
| import org.mockito.junit.MockitoJUnitRunner; | ||
| import org.testcontainers.utility.MockTestcontainersConfigurationRule; | ||
| import org.testcontainers.utility.TestcontainersConfiguration; | ||
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| import java.net.URI; | ||
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| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.mockito.ArgumentMatchers.eq; | ||
| import static org.mockito.ArgumentMatchers.isNull; | ||
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| @RunWith(MockitoJUnitRunner.class) | ||
| public class TestcontainersHostPropertyClientProviderStrategyTest { | ||
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| @Rule | ||
| public MockTestcontainersConfigurationRule mockConfig = new MockTestcontainersConfigurationRule(); | ||
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| private URI defaultDockerHost; | ||
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| private com.github.dockerjava.core.SSLConfig defaultSSLConfig; | ||
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| @Before | ||
| public void checkEnvironmentClear() { | ||
| // If docker-java picks up non-default settings from the environment, our test needs to know to expect those | ||
| DefaultDockerClientConfig defaultConfig = DefaultDockerClientConfig.createDefaultConfigBuilder().build(); | ||
| this.defaultDockerHost = defaultConfig.getDockerHost(); | ||
| this.defaultSSLConfig = defaultConfig.getSSLConfig(); | ||
| } | ||
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| @Test | ||
| public void tcHostPropertyIsProvided() { | ||
| Mockito | ||
| .doReturn("tcp://127.0.0.1:9000") | ||
| .when(TestcontainersConfiguration.getInstance()) | ||
| .getUserProperty(eq("tc.host"), isNull()); | ||
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| TestcontainersHostPropertyClientProviderStrategy strategy = new TestcontainersHostPropertyClientProviderStrategy(); | ||
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| TransportConfig transportConfig = strategy.getTransportConfig(); | ||
| assertThat(transportConfig.getDockerHost().toString()).isEqualTo("tcp://127.0.0.1:9000"); | ||
| assertThat(transportConfig.getSslConfig()).isEqualTo(this.defaultSSLConfig); | ||
| } | ||
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| @Test | ||
| public void tcHostPropertyIsNotProvided() { | ||
| Mockito.doReturn(null).when(TestcontainersConfiguration.getInstance()).getUserProperty(eq("tc.host"), isNull()); | ||
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| TestcontainersHostPropertyClientProviderStrategy strategy = new TestcontainersHostPropertyClientProviderStrategy(); | ||
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| TransportConfig transportConfig = strategy.getTransportConfig(); | ||
| assertThat(transportConfig.getDockerHost()).isEqualTo(this.defaultDockerHost); | ||
| assertThat(transportConfig.getSslConfig()).isEqualTo(this.defaultSSLConfig); | ||
| } | ||
| } |