From a819d81d713c4b8cd2fc4a6dc50b6a69e150b939 Mon Sep 17 00:00:00 2001
From: Manuel Bentele
Date: Thu, 2 Sep 2021 12:04:00 +0200
Subject: [qemu] Print output of VM viewer into debug log

---
 .../src/main/java/org/openslx/runvirt/viewer/ViewerUtils.java  | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'core')

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.
@@ -18,6 +19,11 @@ 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>
@@ -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;
 	}
 }
-- 
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