Use appropriate defaults instead of erroring out and exit if DEFAULT …

…section is

not found

Change-Id: I281097bb75317c2426f88d397100ddcfcaea9657
Closes-Bug: 1481924

src/config/api-server/utils.py

@@ -36,6 +36,9 @@ def parse_args(args_str):
         'ifmap_server_port': "8443",
         'ifmap_queue_size': 10000,
         'ifmap_max_message_size': 1024*1024,
+        'cassandra_server_list': "127.0.0.1:9160",
+        'ifmap_username': "api-server",
+        'ifmap_password': "api-server",
         'collectors': None,
         'http_server_port': '8084',
         'log_local': True,
@@ -85,10 +88,14 @@ def parse_args(args_str):
     if args.conf_file:
         config = ConfigParser.SafeConfigParser({'admin_token': None})
         config.read(args.conf_file)
-        defaults.update(dict(config.items("DEFAULTS")))
-        if 'multi_tenancy' in config.options('DEFAULTS'):
-            defaults['multi_tenancy'] = config.getboolean(
-                'DEFAULTS', 'multi_tenancy')
+        if 'DEFAULTS' in config.sections():
+            defaults.update(dict(config.items("DEFAULTS")))
+            if 'multi_tenancy' in config.options('DEFAULTS'):
+                defaults['multi_tenancy'] = config.getboolean(
+                    'DEFAULTS', 'multi_tenancy')
+            if 'default_encoding' in config.options('DEFAULTS'):
+                default_encoding = config.get('DEFAULTS', 'default_encoding')
+                gen.resource_xsd.ExternalEncoding = default_encoding
         if 'SECURITY' in config.sections() and\
                 'use_certs' in config.options('SECURITY'):
             if config.getboolean('SECURITY', 'use_certs'):
@@ -102,9 +109,6 @@ def parse_args(args_str):
                         vnc_quota.QuotaHelper.default_quota[str(k)] = int(v)
                 except ValueError:
                     pass
-        if 'default_encoding' in config.options('DEFAULTS'):
-            default_encoding = config.get('DEFAULTS', 'default_encoding')
-            gen.resource_xsd.ExternalEncoding = default_encoding
 
     # Override with CLI options
     # Don't surpress add_help here so it will handle -h