opt: Enhance old stable branches to use latest python-ibmcclient

Due to some compatibility issue previously, stable branches fix
python-ibmcclient version to python-ibmcclient>=0.1.0,<0.2.0. To let
user benefited from latest python-ibmcclient, will update the code to
support latest version.

Change-Id: I1a9e8a956f0432d2244cba31c1e8b3c4ebdb84a6
Story: 2008144
Task: 40885

driver-requirements.txt

@@ -17,5 +17,5 @@ sushy>=1.9.0
 ansible>=2.5
 
 # HUAWEI iBMC hardware type uses the python-ibmcclient library
-python-ibmcclient>=0.1.0,<0.2.0
+python-ibmcclient>=0.1.0,!=0.2.1,<0.3.0
 

ironic/drivers/modules/ibmc/utils.py

@@ -31,6 +31,13 @@ from ironic.conf import CONF
 ibmc_client = importutils.try_import('ibmcclient')
 ibmc_error = importutils.try_import('ibmc_client.exceptions')
 
+try:
+    # NOTE(Qianbiao.NG) from python-ibmcclient>=0.2.2, ConnectionError is
+    # renamed to IBMCConnectionError
+    ibmc_error.IBMCConnectionError
+except AttributeError:
+    ibmc_error.IBMCConnectionError = ibmc_error.ConnectionError
+
 LOG = log.getLogger(__name__)
 
 REQUIRED_PROPERTIES = {
@@ -153,7 +160,7 @@ def handle_ibmc_exception(action):
 
             try:
                 return f(*args, **kwargs)
-            except ibmc_error.ConnectionError as e:
+            except ibmc_error.IBMCConnectionError as e:
                 error = (_('Failed to connect to iBMC for node %(node)s, '
                            'Error: %(error)s')
                          % {'node': node.uuid, 'error': e})

ironic/tests/unit/drivers/modules/ibmc/test_utils.py

@@ -144,8 +144,8 @@ class IBMCUtilsTestCase(base.IBMCTestCase):
         conn = self.mock_ibmc_conn(connect_ibmc)
         # Mocks
         conn.system.get.side_effect = [
-            ibmc_error.ConnectionError(url=self.ibmc['address'],
-                                       error='Failed to connect to host'),
+            ibmc_error.IBMCConnectionError(url=self.ibmc['address'],
+                                           error='Failed to connect to host'),
             mock.PropertyMock(
                 boot_source_override=mock.PropertyMock(
                     target=constants.BOOT_SOURCE_TARGET_PXE,

ironic/tests/unit/drivers/third_party_driver_mocks.py

@@ -262,8 +262,8 @@ if not ibmc_client:
 
     # Mock iBMC client exceptions
     exceptions = mock.MagicMock()
-    exceptions.ConnectionError = (
-        type('ConnectionError', (MockKwargsException,), {}))
+    exceptions.IBMCConnectionError = (
+        type('IBMCConnectionError', (MockKwargsException,), {}))
     exceptions.IBMCClientError = (
         type('IBMCClientError', (MockKwargsException,), {}))
     sys.modules['ibmc_client.exceptions'] = exceptions