Fixing datadog-agent stop

datadog-agent.diff

diff --git a/packaging/datadog-agent-base/deb/datadog-agent.init b/packaging/datadog-agent-base/deb/datadog-agent.init
index 7dc0fa0..74c3e8e 100755
--- a/packaging/datadog-agent-base/deb/datadog-agent.init
+++ b/packaging/datadog-agent-base/deb/datadog-agent.init
@@ -54,8 +54,15 @@ case "$1" in

         echo -n "Stopping $DESC: "
         if [ -f $USE_SUPERVISOR ]; then
-            echo -n "(using supervisorctl) "
-            supervisorctl stop datadog-agent:*
+           # Prevent errors if not under actual supervision
+           supervised=$(supervisorctl avail | grep datadog-agent | wc -l)
+           if [ $supervised -gt 1 ]; then
+               echo -n "(using supervisorctl) "
+               supervisorctl stop datadog-agent:*
+           else
+               # Should have been
+                echo -n "(warning: datadog-agent supervisor config is missing) "
+            fi
         else
             su $AGENTUSER -c "$AGENTPATH stop init"
         fi