[deployment_handler] Fix some nits and improve output

Change-Id: I283564c2f9a651b6c6fd6ec8986a6c1d98a58b2c
Signed-off-by: jose.lausuch <jose.lausuch@ericsson.com>

1 files changed, 16 insertions, 4 deletions

diff --git a/modules/opnfv/deployment/manager.py b/modules/opnfv/deployment/manager.py
index e1fd9497f..3175cba1f 100644
--- a/modules/opnfv/deployment/manager.py
+++ b/modules/opnfv/deployment/manager.py
@@ -174,13 +174,15 @@ class Node(object):
         Run command remotely on a node
         '''
         if self.status is not NodeStatus.STATUS_OK:
-            logger.error("The node %s is not active" % self.ip)
+            logger.error(
+                "Error running command %s. The node %s is not active"
+                % (cmd, self.ip))
             return None
         _, stdout, stderr = (self.ssh_client.exec_command(cmd))
         error = stderr.readlines()
         if len(error) > 0:
             logger.error("error %s" % ''.join(error))
-            return error
+            return None
         output = ''.join(stdout.readlines()).rstrip()
         return output
 
@@ -200,6 +202,14 @@ class Node(object):
             'info': self.info
         }
 
+    def is_active(self):
+        '''
+        Returns if the node is active
+        '''
+        if self.status == NodeStatus.STATUS_OK:
+            return True
+        return False
+
     def is_controller(self):
         '''
         Returns if the node is a controller
@@ -220,8 +230,10 @@ class Node(object):
         '''
         Returns the ovs version installed
         '''
-        cmd = "ovs-vsctl --version|head -1| sed 's/^.*) //'"
-        return self.run_cmd(cmd)
+        if self.is_active():
+            cmd = "ovs-vsctl --version|head -1| sed 's/^.*) //'"
+            return self.run_cmd(cmd)
+        return None
 
     def get_system_info(self):
         '''