Closes #24, closes #25. Add option to bind container to fixed host ports

Author: Vladimir Rogach

src/main/java/org/testcontainers/containers/TarantoolCartridgeContainer.java

@@ -98,6 +98,7 @@ public class TarantoolCartridgeContainer extends GenericContainer<TarantoolCartr
     private static final String ENV_TARANTOOL_WORKDIR = "TARANTOOL_WORKDIR";
     private static final String ENV_TARANTOOL_RUNDIR = "TARANTOOL_RUNDIR";
     private static final String ENV_TARANTOOL_DATADIR = "TARANTOOL_DATADIR";
+    private boolean useFixedPorts = false;
 
     private String routerHost = ROUTER_HOST;
     private int routerPort = ROUTER_PORT;
@@ -315,6 +316,17 @@ public int getAPIPort() {
         return getMappedPort(apiPort);
     }
 
+    /**
+     * Use fixed ports binding.
+     * Defaults to false.
+     *
+     * @return HTTP API port
+     */
+    public TarantoolCartridgeContainer withUseFixedPorts(boolean useFixedPorts) {
+        this.useFixedPorts = useFixedPorts;
+        return this;
+    }
+
     /**
      * Set Cartridge router hostname
      *
@@ -377,8 +389,17 @@ public TarantoolCartridgeContainer withRouterPassword(String routerPassword) {
 
     @Override
     protected void configure() {
-        withFileSystemBind(getDirectoryBinding(), getInstanceDir(), BindMode.READ_WRITE);
-        withExposedPorts(instanceFileParser.getExposablePorts());
+        if (!getDirectoryBinding().isEmpty()) {
+            withFileSystemBind(getDirectoryBinding(), getInstanceDir(), BindMode.READ_WRITE);
+        }
+
+        if (useFixedPorts) {
+            for (Integer port : instanceFileParser.getExposablePorts()) {
+                addFixedExposedPort(port, port);
+            }
+        } else {
+            withExposedPorts(instanceFileParser.getExposablePorts());
+        }
     }
 
     @Override

src/main/java/org/testcontainers/containers/TarantoolContainer.java

@@ -43,6 +43,7 @@ public class TarantoolContainer extends GenericContainer<TarantoolContainer>
     private String directoryResourcePath = SCRIPT_RESOURCE_DIRECTORY;
     private String scriptFileName = SCRIPT_FILENAME;
     private String instanceDir = INSTANCE_DIR;
+    private boolean useFixedPorts = false;
 
     private final TarantoolContainerClientHelper clientHelper;
 
@@ -60,6 +61,17 @@ public TarantoolContainer(Future<String> image) {
         clientHelper = new TarantoolContainerClientHelper(this);
     }
 
+    /**
+     * Use fixed ports binding.
+     * Defaults to false.
+     *
+     * @return HTTP API port
+     */
+    public TarantoolContainer withUseFixedPorts(boolean useFixedPorts) {
+        this.useFixedPorts = useFixedPorts;
+        return this;
+    }
+
     /**
      * Specify the host for connecting to Tarantool with.
      *
@@ -259,8 +271,16 @@ protected void configure() {
         }
         String sourceDirectoryPath = normalizePath(sourceDirectory.getPath());
 
-        withFileSystemBind(sourceDirectoryPath, getInstanceDir(), BindMode.READ_WRITE);
-        withExposedPorts(port);
+        //disable bind if directory is empty
+        if (!sourceDirectoryPath.isEmpty()) {
+            withFileSystemBind(sourceDirectoryPath, getInstanceDir(), BindMode.READ_WRITE);
+        }
+
+        if (useFixedPorts) {
+            addFixedExposedPort(port, port);
+        } else {
+            withExposedPorts(port);
+        }
 
         withCommand("tarantool", normalizePath(
                 Paths.get(getInstanceDir(), getScriptFileName())));