replace utcnow with now, due to utcnow will be deprecated

Author: showjason

examples/deployment_crud.py

@@ -108,8 +108,7 @@ def restart_deployment(api, deployment):
     # update `spec.template.metadata` section
     # to add `kubectl.kubernetes.io/restartedAt` annotation
     deployment.spec.template.metadata.annotations = {
-        "kubectl.kubernetes.io/restartedAt": datetime.datetime.utcnow()
-        .replace(tzinfo=pytz.UTC)
+        "kubectl.kubernetes.io/restartedAt": datetime.datetime.now(tz=pytz.UTC)
         .isoformat()
     }
 

examples/dynamic-client/deployment_rolling_restart.py

@@ -84,8 +84,7 @@ def main():
 
     deployment_manifest["spec"]["template"]["metadata"] = {
         "annotations": {
-            "kubectl.kubernetes.io/restartedAt": datetime.datetime.utcnow()
-            .replace(tzinfo=pytz.UTC)
+            "kubectl.kubernetes.io/restartedAt": datetime.datetime.now(tz=pytz.UTC)
             .isoformat()
         }
     }

kubernetes/base/config/kube_config.py

@@ -80,7 +80,7 @@ def _create_temp_file_with_content(content, temp_file_path=None):
 
 def _is_expired(expiry):
     return ((parse_rfc3339(expiry) - EXPIRY_SKEW_PREVENTION_DELAY) <=
-            datetime.datetime.utcnow().replace(tzinfo=UTC))
+            datetime.datetime.now(tz=UTC))
 
 
 class FileOrData(object):

kubernetes/base/config/kube_config_test.py

@@ -30,7 +30,7 @@
 from kubernetes.client import Configuration
 
 from .config_exception import ConfigException
-from .dateutil import format_rfc3339, parse_rfc3339
+from .dateutil import UTC, format_rfc3339, parse_rfc3339
 from .kube_config import (ENV_KUBECONFIG_PATH_SEPARATOR, CommandTokenSource,
                           ConfigNode, FileOrData, KubeConfigLoader,
                           KubeConfigMerger, _cleanup_temp_files,
@@ -89,10 +89,10 @@ def _raise_exception(st):
 TEST_PASSWORD = "pass"
 # token for me:pass
 TEST_BASIC_TOKEN = "Basic bWU6cGFzcw=="
-DATETIME_EXPIRY_PAST = datetime.datetime.utcnow(
-) - datetime.timedelta(minutes=PAST_EXPIRY_TIMEDELTA)
-DATETIME_EXPIRY_FUTURE = datetime.datetime.utcnow(
-) + datetime.timedelta(minutes=FUTURE_EXPIRY_TIMEDELTA)
+DATETIME_EXPIRY_PAST = datetime.datetime.now(tz=UTC
+                                             ).replace(tzinfo=None) - datetime.timedelta(minutes=PAST_EXPIRY_TIMEDELTA)
+DATETIME_EXPIRY_FUTURE = datetime.datetime.now(tz=UTC
+                                               ).replace(tzinfo=None) + datetime.timedelta(minutes=FUTURE_EXPIRY_TIMEDELTA)
 TEST_TOKEN_EXPIRY_PAST = _format_expiry_datetime(DATETIME_EXPIRY_PAST)
 
 TEST_SSL_HOST = "https://test-host"
@@ -1028,7 +1028,7 @@ def test_load_gcp_token_no_refresh(self):
     def test_load_gcp_token_with_refresh(self):
         def cred(): return None
         cred.token = TEST_ANOTHER_DATA_BASE64
-        cred.expiry = datetime.datetime.utcnow()
+        cred.expiry = datetime.datetime.now(tz=UTC)
 
         loader = KubeConfigLoader(
             config_dict=self.TEST_KUBE_CONFIG,
@@ -1124,7 +1124,6 @@ def test_oidc_with_idp_ca_file_refresh(self, mock_ApiClient, mock_OAuth2Session)
             active_context="expired_oidc_with_idp_ca_file",
         )
 
-
         self.assertTrue(loader._load_auth_provider_token())
         self.assertEqual("Bearer abc123", loader.token)
 
@@ -1529,6 +1528,7 @@ def test_user_exec_auth_certificates(self, mock):
     @mock.patch('kubernetes.config.kube_config.ExecProvider.run', autospec=True)
     def test_user_exec_cwd(self, mock):
         capture = {}
+
         def capture_cwd(exec_provider):
             capture['cwd'] = exec_provider.cwd
         mock.side_effect = capture_cwd