Move all nsxlib code and tests to vmware_nsxlib

Change-Id: I75533e713a680674368d16f0a7aeb4fdbffe3608

vmware_nsxlib/v3/exceptions.py

@@ -0,0 +1,97 @@
+# Copyright 2016 VMware, Inc.
+# All Rights Reserved
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+#
+
+from oslo_utils import excutils
+import six
+
+from vmware_nsxlib._i18n import _
+
+
+class NsxLibException(Exception):
+    """Base NsxLib Exception.
+
+    To correctly use this class, inherit from it and define
+    a 'message' property. That message will get printf'd
+    with the keyword arguments provided to the constructor.
+    """
+    message = _("An unknown exception occurred.")
+
+    def __init__(self, **kwargs):
+        try:
+            super(NsxLibException, self).__init__(self.message % kwargs)
+            self.msg = self.message % kwargs
+        except Exception:
+            with excutils.save_and_reraise_exception() as ctxt:
+                if not self.use_fatal_exceptions():
+                    ctxt.reraise = False
+                    # at least get the core message out if something happened
+                    super(NsxLibException, self).__init__(self.message)
+
+    if six.PY2:
+        def __unicode__(self):
+            return unicode(self.msg)
+
+    def __str__(self):
+        return self.msg
+
+    def use_fatal_exceptions(self):
+        return False
+
+
+class ManagerError(NsxLibException):
+    message = _("Unexpected error from backend manager (%(manager)s) "
+                "for %(operation)s %(details)s")
+
+    def __init__(self, **kwargs):
+        kwargs['details'] = (': %s' % kwargs['details']
+                             if 'details' in kwargs
+                             else '')
+        super(ManagerError, self).__init__(**kwargs)
+        self.msg = self.message % kwargs
+
+
+class ResourceNotFound(ManagerError):
+    message = _("Resource could not be found on backend (%(manager)s) for "
+                "%(operation)s")
+
+
+class StaleRevision(ManagerError):
+    pass
+
+
+class ServiceClusterUnavailable(ManagerError):
+    message = _("Service cluster: '%(cluster_id)s' is unavailable. Please, "
+                "check NSX setup and/or configuration")
+
+
+class NSGroupMemberNotFound(ManagerError):
+    message = _("Could not find NSGroup %(nsgroup_id)s member %(member_id)s "
+                "for removal.")
+
+
+class NSGroupIsFull(ManagerError):
+    message = _("NSGroup %(nsgroup_id)s contains has reached its maximum "
+                "capacity, unable to add additional members.")
+
+
+class NumberOfNsgroupCriteriaTagsReached(ManagerError):
+    message = _("Port can be associated with at most %(max_num)s "
+                "security-groups.")
+
+
+class SecurityGroupMaximumCapacityReached(ManagerError):
+    message = _("Security Group %(sg_id)s has reached its maximum capacity, "
+                "no more ports can be associated with this security-group.")