Misused and not used config options

Fixes bug #1000071

[nova.flag.py]
stub_network: StrOpt -> BoolOpt

[nova.api.sizelimit.py]
osapi_max_request_body_size: BoolOpt -> IntOpt

[nova.compute.api.py]
find_host_timeout: not used

[nova.rpc.__init__.py]
allowed_rpc_exception_modules: IntOpt -> ListOpt

[nova.virt.vmwareapi_conn.py]
vmwareapi_api_retry_count: FloatOpt -> IntOpt

[nova.volume.driver.py]
num_shell_tries: StrOpt -> IntOpt
num_iscsi_scan_tries: StrOpt -> IntOpt

[nova.volume.driver.py]
san_thin_provision: 'true' -> True
san_is_local: 'false' -> False

Change-Id: I07ab60b1d881c9475f4f2517a432f1e934d8ae52

nova/flags.py

@@ -410,7 +410,7 @@ global_opts = [
     cfg.BoolOpt('enable_instance_password',
                 default=True,
                 help='Allows use of instance password during '
-                       'server creation'),
+                     'server creation'),
     cfg.IntOpt('password_length',
                default=12,
                help='Length of generated instance admin passwords'),
@@ -427,9 +427,9 @@ global_opts = [
                 default=False,
                 help='Allow destination machine to match source for resize. '
                      'Useful when testing in single-host environments.'),
-    cfg.StrOpt('stub_network',
-               default=False,
-               help='Stub network related code'),
+    cfg.BoolOpt('stub_network',
+                default=False,
+                help='Stub network related code'),
     cfg.IntOpt('reclaim_instance_interval',
                default=0,
                help='Interval in seconds for reclaiming deleted instances'),

nova/rpc/__init__.py

@@ -34,7 +34,7 @@ rpc_opts = [
     cfg.IntOpt('rpc_response_timeout',
                default=60,
                help='Seconds to wait for a response from call or multicall'),
-    cfg.IntOpt('allowed_rpc_exception_modules',
+    cfg.ListOpt('allowed_rpc_exception_modules',
                default=['nova.exception'],
                help='Modules of exceptions that are permitted to be recreated'
                     'upon receiving exception data from an rpc call.'),