GEODE-3613: Dumping container logs files in session replication tests

The session replication tests were generating logs files that were
getting deleted. In order to debug issues with the session state tests
we need to information in the log files to show up in the test output.

Author: upthewaterspout

geode-assembly/src/test/java/org/apache/geode/session/tests/CargoTestBase.java

@@ -68,6 +68,7 @@ public void setup() throws IOException {
    */
   @After
   public void stop() throws IOException {
+    manager.dumpLogs();
     manager.stopAllActiveContainers();
     manager.cleanUp();
   }

geode-assembly/src/test/java/org/apache/geode/session/tests/ContainerManager.java

@@ -122,6 +122,12 @@ public void stopAllActiveContainers() {
     stopContainers(getActiveContainerIndexes());
   }
 
+  public void dumpLogs() throws IOException {
+    for (ServerContainer container : getActiveContainers()) {
+      container.dumpLogs();
+    }
+  }
+
   /**
    * Set the name of the current test
    *

geode-assembly/src/test/java/org/apache/geode/session/tests/ServerContainer.java

@@ -27,6 +27,7 @@
 import org.codehaus.cargo.container.configuration.ConfigurationType;
 import org.codehaus.cargo.container.configuration.LocalConfiguration;
 import org.codehaus.cargo.container.deployable.WAR;
+import org.codehaus.cargo.container.jetty.JettyPropertySet;
 import org.codehaus.cargo.container.property.GeneralPropertySet;
 import org.codehaus.cargo.container.property.LoggingLevel;
 import org.codehaus.cargo.container.property.ServletPropertySet;
@@ -47,6 +48,7 @@
  * Subclasses provide setup and configuration of specific containers.
  */
 public abstract class ServerContainer {
+  private final File containerConfigHome;
   private InstalledLocalContainer container;
   private ContainerInstall install;
 
@@ -66,7 +68,7 @@ public abstract class ServerContainer {
 
   public final String DEFAULT_CONF_DIR;
 
-  public static final String DEFAULT_LOGGING_LEVEL = LoggingLevel.HIGH.getLevel();
+  public static final String DEFAULT_LOGGING_LEVEL = LoggingLevel.LOW.getLevel();
   public static final String DEFAULT_LOG_DIR = "cargo_logs/";
   public static final String DEFAULT_CONFIG_DIR = "/tmp/cargo_configs/";
 
@@ -99,8 +101,8 @@ public ServerContainer(ContainerInstall install, File containerConfigHome,
 
     DEFAULT_CONF_DIR = install.getHome() + "/conf/";
     // Use the default configuration home path if not passed a config home
-    if (containerConfigHome == null)
-      containerConfigHome = new File(DEFAULT_CONFIG_DIR + description);
+    this.containerConfigHome = containerConfigHome == null
+        ? new File(DEFAULT_CONFIG_DIR + description) : containerConfigHome;
 
     // Init the property lists
     cacheProperties = new HashMap<>();
@@ -111,7 +113,7 @@ public ServerContainer(ContainerInstall install, File containerConfigHome,
     // Create the Cargo Container instance wrapping our physical container
     LocalConfiguration configuration = (LocalConfiguration) new DefaultConfigurationFactory()
         .createConfiguration(install.getInstallId(), ContainerType.INSTALLED,
-            ConfigurationType.STANDALONE, containerConfigHome.getAbsolutePath());
+            ConfigurationType.STANDALONE, this.containerConfigHome.getAbsolutePath());
     // Set configuration/container logging level
     configuration.setProperty(GeneralPropertySet.LOGGING, loggingLevel);
     // Removes secureRandom generation so that container startup is much faster
@@ -210,6 +212,25 @@ public void stop() {
     container.stop();
   }
 
+  public void dumpLogs() throws IOException {
+    for (File file : logDir.listFiles()) {
+      dumpToStdOut(file);
+    }
+
+    for (File file : new File(containerConfigHome, "logs").listFiles()) {
+      dumpToStdOut(file);
+    }
+  }
+
+  private void dumpToStdOut(final File file) throws IOException {
+    System.out.println("-------------------------------------------");
+    System.out.println(file.getAbsolutePath());
+    System.out.println("-------------------------------------------");
+    FileUtils.copyFile(file, System.out);
+    System.out.println("-------------------------------------------");
+    System.out.println("");
+  }
+
   /**
    * Copies the container configuration (found through {@link #getConfiguration()}) to the logging
    * directory specified by {@link #logDir}