--- /dev/null
+# Copyright 2019 Canonical Ltd.
+#
+# 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.
+
+class JujuCharmNotFound(Exception):
+ """The Charm can't be found or is not readable."""
+
+
+class JujuApplicationExists(Exception):
+ """The Application already exists."""
+
+
+class N2VCPrimitiveExecutionFailed(Exception):
+ """Something failed while attempting to execute a primitive."""
+
+
+class NetworkServiceDoesNotExist(Exception):
+ """The Network Service being acted against does not exist."""
+
+
+class PrimitiveDoesNotExist(Exception):
+ """The Primitive being executed does not exist."""
+
+
+class NoRouteToHost(Exception):
+ """There was no route to the specified host."""
+
+
+class AuthenticationFailed(Exception):
+ """The authentication for the specified user failed."""