Flush stdout as it can be redirected to log

It avoids mixed logs in Jenkins' console by flushing every message
printed by the forked programs as logger.info() does.
It must be complete by refactoring logger management in util functions
[1] and by preventing output buffering in forked programs.

[1] https://jira.opnfv.org/browse/FUNCTEST-428

JIRA: FUNCTEST-441

Change-Id: Id8da814d79ea6b1e6b91b49e23a85c3802e11515
Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/utils/functest_utils.py b/utils/functest_utils.py
index 02e7d3d84..199088b9c 100644
--- a/utils/functest_utils.py
+++ b/utils/functest_utils.py
@@ -339,6 +339,7 @@ def execute_command(cmd, logger=None,
                 logger.debug(line)
         else:
             print line
+            sys.stdout.flush()
     p.stdout.close()
     returncode = p.wait()
     if returncode != 0: