Get rid of pkg_resources

... because pkg_resources was removed in Python 3.12 .

Change-Id: Ib0de144da9d1933ea63aea585df4832c69d7c2fb

ceilometer/agent.py

@@ -15,7 +15,6 @@
 # under the License.
 import fnmatch
 import os
-import pkg_resources
 
 from oslo_log import log
 import yaml
@@ -57,8 +56,9 @@ class ConfigManagerBase(object):
             if not cfg_loc:
                 LOG.debug("No pipeline definitions configuration file found! "
                           "Using default config.")
-                cfg_loc = pkg_resources.resource_filename(
-                    __name__, 'pipeline/data/' + cfg_file)
+                cfg_loc = os.path.join(
+                    os.path.dirname(os.path.abspath(__file__)),
+                    'pipeline', 'data', cfg_file)
         with open(cfg_loc) as fap:
             conf = yaml.safe_load(fap)
         LOG.debug("Config file: %s", conf)

ceilometer/event/converter.py

@@ -14,11 +14,11 @@
 # under the License.
 
 import fnmatch
+import os
 
 from oslo_config import cfg
 from oslo_log import log
 from oslo_utils import timeutils
-import pkg_resources
 
 from ceilometer import declarative
 from ceilometer.event import models
@@ -278,10 +278,12 @@ class NotificationEventsConverter(object):
 
 def setup_events(conf, trait_plugin_mgr):
     """Setup the event definitions from yaml config file."""
+
     return NotificationEventsConverter(
         conf,
         declarative.load_definitions(
             conf, [], conf.event.definitions_cfg_file,
-            pkg_resources.resource_filename(
-                'ceilometer', "pipeline/data/event_definitions.yaml")),
+            os.path.join(
+                os.path.dirname(os.path.abspath(__file__)),
+                '..', 'pipeline', 'data', 'event_definitions.yaml')),
         trait_plugin_mgr)

ceilometer/publisher/gnocchi.py

@@ -17,8 +17,7 @@ import fnmatch
 import itertools
 import json
 import operator
-import pkg_resources
-import tenacity
+import os
 import threading
 
 from gnocchiclient import exceptions as gnocchi_exc
@@ -26,6 +25,7 @@ from keystoneauth1 import exceptions as ka_exceptions
 from oslo_log import log
 from oslo_utils import timeutils
 from stevedore import extension
+import tenacity
 from urllib import parse as urlparse
 
 from ceilometer import cache_utils
@@ -243,8 +243,8 @@ class GnocchiPublisher(publisher.ConfigPublisherBase):
             namespace='ceilometer.event.trait_plugin')
         data = declarative.load_definitions(
             conf, {}, resources_definition_file,
-            pkg_resources.resource_filename(__name__,
-                                            "data/gnocchi_resources.yaml"))
+            os.path.join(os.path.dirname(os.path.abspath(__file__)),
+                         'data', 'gnocchi_resources.yaml'))
 
         archive_policy_default = data.get("archive_policy_default",
                                           "ceilometer-low")