Add API exceptions module

src/jcloud_deployment_server/api/exceptions.py

@@ -0,0 +1,29 @@
+# Copyright 2026 jCloud
+
+# 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.
+
+__all__ =  [
+    'Fail'
+]
+
+class Fail(Exception):
+    '''
+    The program fails.
+
+    :param exit_code: The exit code.
+    :type exit_code: int
+    '''
+
+    def __init__(self, *args, exit_code: int = 1):
+        super().__init__()
+        self.exit_code = exit_code