Remove warnings in heat

Use warning in oslo_log instead.

Change-Id: I7c2cfe3cbd7ac8b1a5870cd53633342c5622ef0b

bin/heat-api

@@ -18,10 +18,15 @@
 An OpenStack REST API to Heat.
 """
 
-import warnings
-warnings.warn("DEPRECATED: This script is deprecated. Please use the "
-              "system level heat binaries installed to start "
-              "any of the heat services.", DeprecationWarning)
+from oslo_log import log as logging
+
+from heat.common.i18n import _LW
+
+LOG = logging.getLogger(__name__)
+
+LOG.warning(_LW('DEPRECATED: `heat-api` script is deprecated. Please use the '
+                'system level heat binaries installed to start '
+                'any of the heat services.'))
 
 import os
 import sys

bin/heat-api-cfn

@@ -20,10 +20,15 @@ translates it into a native representation.  It then calls the heat-engine via
 AMQP RPC to implement them.
 """
 
-import warnings
-warnings.warn("DEPRECATED: This script is deprecated. Please use the "
-              "system level heat binaries installed to start "
-              "any of the heat services.", DeprecationWarning)
+from oslo_log import log as logging
+
+from heat.common.i18n import _LW
+
+LOG = logging.getLogger(__name__)
+
+LOG.warning(_LW('DEPRECATED: `heat-api-cfn` script is deprecated. Please use '
+                'the system level heat binaries installed to start '
+                'any of the heat services.'))
 
 import os
 import sys

bin/heat-api-cloudwatch

@@ -20,10 +20,15 @@ into a native representation. It then calls the heat-engine via AMQP RPC to
 implement them.
 """
 
-import warnings
-warnings.warn("DEPRECATED: This script is deprecated. Please use the "
-              "system level heat binaries installed to start "
-              "any of the heat services.", DeprecationWarning)
+from oslo_log import log as logging
+
+from heat.common.i18n import _LW
+
+LOG = logging.getLogger(__name__)
+
+LOG.warning(_LW('DEPRECATED: `heat-api-cloudwatch` script is deprecated. '
+                'Please use the system level heat binaries installed to '
+                'start any of the heat services.'))
 
 import os
 import sys

bin/heat-engine

@@ -20,10 +20,15 @@ Normal communications is done via the heat API which then calls into this
 engine.
 """
 
-import warnings
-warnings.warn("DEPRECATED: This script is deprecated. Please use the "
-              "system level heat binaries installed to start "
-              "any of the heat services.", DeprecationWarning)
+from oslo_log import log as logging
+
+from heat.common.i18n import _LW
+
+LOG = logging.getLogger(__name__)
+
+LOG.warning(_LW('DEPRECATED: `heat-engine` script is deprecated. '
+                'Please use the system level heat binaries installed to '
+                'start any of the heat services.'))
 
 import os
 import sys

bin/heat-manage

@@ -13,9 +13,14 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-import warnings
-warnings.warn("DEPRECATED: This script is deprecated. Please use the "
-              "system level heat-manage binary", DeprecationWarning)
+from oslo_log import log as logging
+
+from heat.common.i18n import _LW
+
+LOG = logging.getLogger(__name__)
+
+LOG.warning(_LW('DEPRECATED: `heat-manage` script is deprecated. Please use '
+                'the system level heat-manage binary.'))
 
 import os
 import sys

heat/engine/constraints.py

@@ -14,16 +14,17 @@
 import collections
 import numbers
 import re
-import warnings
 
 from oslo_cache import core
 from oslo_config import cfg
+from oslo_log import log
 from oslo_utils import strutils
 import six
 
 from heat.common import cache
 from heat.common import exception
 from heat.common.i18n import _
+from heat.common.i18n import _LW
 from heat.engine import resources
 
 # decorator that allows to cache the value
@@ -32,6 +33,8 @@ MEMOIZE = core.get_memoization_decorator(conf=cfg.CONF,
                                          region=cache.get_cache_region(),
                                          group="constraint_validation_cache")
 
+LOG = log.getLogger(__name__)
+
 
 class Schema(collections.Mapping):
     """Schema base class for validating properties or parameters.
@@ -94,8 +97,8 @@ class Schema(collections.Mapping):
                 message=_('Invalid type (%s)') % self.type)
 
         if required and default is not None:
-            warnings.warn("Option 'required=True' should not be used with "
-                          "any 'default' value ({0})".format(default))
+            LOG.warning(_LW("Option 'required=True' should not be used with "
+                            "any 'default' value (%s)") % default)
 
         self.description = description
         self.required = required

heat/engine/environment.py

@@ -17,7 +17,6 @@ import glob
 import itertools
 import os.path
 import re
-import warnings
 
 from oslo_config import cfg
 from oslo_log import log
@@ -293,7 +292,7 @@ class ResourceRegistry(object):
         if isinstance(info, ClassResourceInfo):
             if info.value.support_status.status != support.SUPPORTED:
                 if info.value.support_status.message is not None:
-                    warnings.warn(six.text_type(
+                    LOG.warning(_LW("%s"), six.text_type(
                         info.value.support_status.message))
 
         info.user_resource = (self.global_registry is not None)

heat/engine/rsrc_defn.py

@@ -14,14 +14,15 @@ import collections
 import copy
 import itertools
 import operator
-import warnings
-
+from oslo_log import log
 import six
 
 from heat.common import exception
+from heat.common.i18n import _LW
 from heat.engine import function
 from heat.engine import properties
 
+LOG = log.getLogger(__name__)
 
 __all__ = ['ResourceDefinition']
 
@@ -292,7 +293,7 @@ class ResourceDefinition(ResourceDefinitionCore, collections.Mapping):
     ResourceDefinitionCore as soon as M release.
     """
 
-    _deprecation_msg = (
+    _deprecation_msg = _LW(
         'Reading the ResourceDefinition as if it were a snippet of a '
         'CloudFormation template is deprecated, and the ability to treat it '
         'as such will be removed in the future. Resource plugins should use '
@@ -325,7 +326,7 @@ class ResourceDefinition(ResourceDefinitionCore, collections.Mapping):
         This is for backwards compatibility with existing code that expects a
         parsed-JSON template snippet.
         """
-        warnings.warn(self._deprecation_msg, DeprecationWarning)
+        LOG.warning(self._deprecation_msg)
 
         yield TYPE
         if self._properties is not None:
@@ -347,7 +348,7 @@ class ResourceDefinition(ResourceDefinitionCore, collections.Mapping):
         This is for backwards compatibility with existing code that expects a
         parsed-JSON template snippet.
         """
-        warnings.warn(self._deprecation_msg, DeprecationWarning)
+        LOG.warning(self._deprecation_msg)
 
         if key == TYPE:
             return self.resource_type
@@ -376,7 +377,7 @@ class ResourceDefinition(ResourceDefinitionCore, collections.Mapping):
 
     def __hash__(self):
         """Return a hash of the ResourceDefinition object."""
-        warnings.warn(self._deprecation_msg, DeprecationWarning)
+        LOG.warning(self._deprecation_msg)
         return super(ResourceDefinition, self).__hash__()
 
     def __len__(self):
@@ -385,7 +386,7 @@ class ResourceDefinition(ResourceDefinitionCore, collections.Mapping):
         This is for backwards compatibility with existing code that expects a
         parsed-JSON template snippet.
         """
-        warnings.warn(self._deprecation_msg, DeprecationWarning)
+        LOG.warning(self._deprecation_msg)
 
         return len(list(iter(self)))
 

heat/engine/service.py

@@ -16,7 +16,6 @@ import datetime
 import itertools
 import os
 import socket
-import warnings
 
 import eventlet
 from oslo_config import cfg
@@ -318,12 +317,11 @@ class EngineService(service.Service):
         self.resource_enforcer = policy.ResourceEnforcer()
 
         if cfg.CONF.trusts_delegated_roles:
-            warnings.warn('The default value of "trusts_delegated_roles" '
-                          'option in heat.conf is changed to [] in Kilo '
-                          'and heat will delegate all roles of trustor. '
-                          'Please keep the same if you do not want to '
-                          'delegate subset roles when upgrading.',
-                          Warning)
+            LOG.warning(_LW('The default value of "trusts_delegated_roles" '
+                            'option in heat.conf is changed to [] in Kilo '
+                            'and heat will delegate all roles of trustor. '
+                            'Please keep the same if you do not want to '
+                            'delegate subset roles when upgrading.'))
 
     def create_periodic_tasks(self):
         LOG.debug("Starting periodic watch tasks pid=%s" % os.getpid())

heat/tests/test_constraints.py

@@ -20,23 +20,6 @@ from heat.tests import common
 
 
 class SchemaTest(common.HeatTestCase):
-    def test_warn_required_with_default(self):
-        msg = ("Option 'required=True' should not be used with any 'default' "
-               "value \(wibble\)")
-        with self.assertWarnsRegex(UserWarning, msg):
-            constraints.Schema(constraints.Schema.STRING, 'A string',
-                               default='wibble', required=True)
-
-    def test_without_warn_only_default(self):
-        constraints.Schema(constraints.Schema.STRING, 'A string',
-                           default='wibble')
-        self.assertEqual(0, len(self.warnings.captures))
-
-    def test_without_warn_only_required(self):
-        constraints.Schema(constraints.Schema.STRING, 'A string',
-                           required=True)
-        self.assertEqual(0, len(self.warnings.captures))
-
     def test_range_schema(self):
         d = {'range': {'min': 5, 'max': 10}, 'description': 'a range'}
         r = constraints.Range(5, 10, description='a range')

heat/tests/test_rsrc_defn.py

@@ -12,7 +12,6 @@
 #    under the License.
 
 import six
-import warnings
 
 from heat.common import exception
 from heat.engine.cfn import functions as cfn_funcs
@@ -212,17 +211,8 @@ class ResourceDefinitionSnippetTest(common.HeatTestCase):
 
     def test_resource_snippet(self):
         rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType', **self.defn)
-        with warnings.catch_warnings(record=True) as ws:
-            warnings.filterwarnings('always')
 
-            # Work around http://bugs.python.org/issue4180
-            getattr(rsrc_defn, '__warningregistry__', {}).clear()
+        exp_result = {'Type': 'SomeType'}
+        exp_result.update(self.expected)
 
-            exp_result = {'Type': 'SomeType'}
-            exp_result.update(self.expected)
-
-            self.assertEqual(exp_result, rd)
-
-            self.assertTrue(ws)
-            for warn in ws:
-                self.assertTrue(issubclass(warn.category, DeprecationWarning))
+        self.assertEqual(exp_result, rd)