Merge branch 'mbaechler-Issue-76'

core/src/main/java/org/testcontainers/DockerClientFactory.java

@@ -16,6 +16,7 @@
 import org.testcontainers.dockerclient.DockerConfigurationStrategy;
 import org.testcontainers.dockerclient.DockerMachineConfigurationStrategy;
 import org.testcontainers.dockerclient.EnvironmentAndSystemPropertyConfigurationStrategy;
+import org.testcontainers.dockerclient.UnixSocketConfigurationStrategy;
 
 import java.util.List;
 
@@ -38,7 +39,8 @@ public class DockerClientFactory {
 
     private static final List<DockerConfigurationStrategy> CONFIGURATION_STRATEGIES =
             asList(new EnvironmentAndSystemPropertyConfigurationStrategy(),
-                    new DockerMachineConfigurationStrategy());
+                    new DockerMachineConfigurationStrategy(),
+                    new UnixSocketConfigurationStrategy());
 
     /**
      * Private constructor

core/src/main/java/org/testcontainers/dockerclient/UnixSocketConfigurationStrategy.java

@@ -0,0 +1,32 @@
+package org.testcontainers.dockerclient;
+
+import com.github.dockerjava.api.DockerClient;
+import com.github.dockerjava.core.DockerClientBuilder;
+import com.github.dockerjava.core.DockerClientConfig;
+
+public class UnixSocketConfigurationStrategy implements DockerConfigurationStrategy {
+
+    public static final String SOCKET_LOCATION = "unix:///var/run/docker.sock";
+
+    @Override
+    public DockerClientConfig provideConfiguration()
+            throws InvalidConfigurationException {
+        DockerClientConfig config = new DockerClientConfig.DockerClientConfigBuilder().withUri(SOCKET_LOCATION).build();
+        DockerClient client = DockerClientBuilder.getInstance(config).build();
+
+        try {
+            client.pingCmd().exec();
+        } catch (Exception e) {
+            throw new InvalidConfigurationException("ping failed");
+        }
+
+        LOGGER.info("Accessing docker with local Unix socket");
+        return config;
+    }
+
+    @Override
+    public String getDescription() {
+        return "local Unix socket (" + SOCKET_LOCATION + ")";
+    }
+
+}