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/api/sizelimit.py

@@ -29,9 +29,9 @@ from nova import wsgi
 
 
 #default request size is 112k
-max_request_body_size_opt = cfg.BoolOpt('osapi_max_request_body_size',
-        default=114688,
-        help='')
+max_request_body_size_opt = cfg.IntOpt('osapi_max_request_body_size',
+                                       default=114688,
+                                       help='')
 
 FLAGS = flags.FLAGS
 FLAGS.register_opt(max_request_body_size_opt)

nova/compute/api.py

@@ -51,12 +51,7 @@ from nova import volume
 
 LOG = logging.getLogger(__name__)
 
-find_host_timeout_opt = cfg.StrOpt('find_host_timeout',
-        default=30,
-        help='Timeout after NN seconds when looking for a host.')
-
 FLAGS = flags.FLAGS
-FLAGS.register_opt(find_host_timeout_opt)
 flags.DECLARE('consoleauth_topic', 'nova.consoleauth')
 
 

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.'),

nova/virt/vmwareapi_conn.py

@@ -69,11 +69,11 @@ vmwareapi_opts = [
                  default=5.0,
                  help='The interval used for polling of remote tasks. '
                        'Used only if connection_type is vmwareapi'),
-    cfg.FloatOpt('vmwareapi_api_retry_count',
-                 default=10,
-                 help='The number of times we retry on failures, e.g., '
-                      'socket error, etc. '
-                      'Used only if connection_type is vmwareapi'),
+    cfg.IntOpt('vmwareapi_api_retry_count',
+               default=10,
+               help='The number of times we retry on failures, e.g., '
+                    'socket error, etc. '
+                    'Used only if connection_type is vmwareapi'),
     cfg.StrOpt('vmwareapi_vlan_interface',
                default='vmnic0',
                help='Physical ethernet adapter name for vlan networking'),

nova/volume/driver.py

@@ -36,10 +36,10 @@ volume_opts = [
     cfg.StrOpt('volume_group',
                default='nova-volumes',
                help='Name for the VG that will contain exported volumes'),
-    cfg.StrOpt('num_shell_tries',
+    cfg.IntOpt('num_shell_tries',
                default=3,
                help='number of times to attempt to run flakey shell commands'),
-    cfg.StrOpt('num_iscsi_scan_tries',
+    cfg.IntOpt('num_iscsi_scan_tries',
                default=3,
                help='number of times to rescan iSCSI target to find volume'),
     cfg.IntOpt('iscsi_num_targets',

nova/volume/san.py

@@ -45,7 +45,7 @@ LOG = logging.getLogger(__name__)
 
 san_opts = [
     cfg.BoolOpt('san_thin_provision',
-                default='true',
+                default=True,
                 help='Use thin provisioning for SAN volumes?'),
     cfg.StrOpt('san_ip',
                default='',
@@ -66,7 +66,7 @@ san_opts = [
                default=22,
                help='SSH port to use with SAN'),
     cfg.BoolOpt('san_is_local',
-                default='false',
+                default=False,
                 help='Execute commands locally instead of over SSH; '
                      'use if the volume service is running on the SAN device'),
     cfg.StrOpt('san_zfs_volume_base',