Improve logging in CLI client

Do not output the INFO messages into the Console
Proper output of exceptions
"Wrong-Version" message displays proper service name
(we are grateful to Glance for providing a copy-paste source :)
but let's still call our service Application catalog, not Openstack Images )

Targets-blueprint: murano-cli-client

Change-Id: I484fa4d494584472f705fdffc35e2dc70f1f3e8a

muranoclient/common/exceptions.py

@@ -56,7 +56,7 @@ class HTTPMultipleChoices(HTTPException):
     code = 300
 
     def __str__(self):
-        self.details = ("Requested version of OpenStack Images API is not"
+        self.details = ("Requested version of Application Catalog API is not "
                         "available.")
         return "%s (HTTP %s) %s" % (self.__class__.__name__, self.code,
                                     self.details)

muranoclient/common/utils.py

@@ -15,13 +15,14 @@
 
 from __future__ import print_function
 
-
 import os
-import prettytable
 import sys
 import textwrap
 import uuid
 
+import prettytable
+import six
+
 from muranoclient.common import exceptions
 from muranoclient.openstack.common import importutils
 from muranoclient.openstack.common import jsonutils
@@ -143,3 +144,15 @@ def getsockopt(self, *args, **kwargs):
     that use python-muranoclient also use newest eventlet
     """
     return self.fd.getsockopt(*args, **kwargs)
+
+
+def exception_to_str(exc):
+    try:
+        error = six.text_type(exc)
+    except UnicodeError:
+        try:
+            error = str(exc)
+        except UnicodeError:
+            error = ("Caught '%(exception)s' exception." %
+                     {"exception": exc.__class__.__name__})
+    return strutils.safe_encode(error, errors='ignore')

muranoclient/shell.py

@@ -200,7 +200,7 @@ class MuranoShell(object):
         else:
             logging.basicConfig(
                 format="%(levelname)s %(message)s",
-                level=logging.INFO)
+                level=logging.WARNING)
 
     def main(self, argv):
         # Parse args once to find version