[qemu] Print output of VM viewer into debug log

1 files changed, 10 insertions, 0 deletions

diff --git a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/viewer/ViewerUtils.java b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/viewer/ViewerUtils.java
index 1ed5947a..40c45671 100644
--- a/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/viewer/ViewerUtils.java
+++ b/core/modules/qemu/runvirt-plugin-qemu/src/main/java/org/openslx/runvirt/viewer/ViewerUtils.java
@@ -9,6 +9,7 @@ import org.apache.commons.exec.PumpStreamHandler;
 import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.io.output.ByteArrayOutputStream;
+import org.apache.log4j.Logger;
 
 /**
  * Utils for viewing displays of virtual machines.
@@ -19,6 +20,11 @@ import org.apache.commons.io.output.ByteArrayOutputStream;
 public class ViewerUtils
 {
 	/**
+	 * Reference to the global logger for this class.
+	 */
+	private static final Logger LOGGER = Logger.getLogger( ViewerUtils.class );
+
+	/**
 	 * Synchronously executes a viewer program specified by a command line call.
 	 * <p>
 	 * The command line call of the viewer program consists of the program name and an optional list
@@ -57,9 +63,13 @@ public class ViewerUtils
 			throw new ViewerException( "Failed to execute '" + viewerProgram + "': " + e.getLocalizedMessage() );
 		}
 
+		// retrieve the content from the viewer's standard output
 		final String viewerOuput = viewerOutputStream.toString( StandardCharsets.UTF_8 );
 		IOUtils.closeQuietly( viewerOutputStream );
 
+		// log content from the viewer's standard output
+		ViewerUtils.LOGGER.debug( viewerOuput );
+
 		return viewerOuput;
 	}
 }