diff --git a/n2vc/vca/connection_data.py b/n2vc/vca/connection_data.py
new file mode 100644
index 0000000..a1eff21
--- /dev/null
+++ b/n2vc/vca/connection_data.py
@@ -0,0 +1,51 @@
+# Copyright 2021 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.
+
+from n2vc.utils import base64_to_cacert
+
+
+class ConnectionData:
+    def __init__(self, **kwargs):
+        """
+        Constructor
+
+        :param: kwargs:
+            endpoints (list): Endpoints of all the Juju controller units
+            user (str): Username for authenticating to the controller
+            secret (str): Secret for authenticating to the controller
+            cacert (str): Base64 encoded CA certificate for authenticating to the controller
+            (optional) pubkey (str): Public key to insert to the charm.
+                            This is useful to do `juju ssh`.
+                            It is not very useful though.
+                            TODO: Test it.
+            (optional) lxd-cloud (str): Name of the cloud to use for lxd proxy charms
+            (optional) lxd-credentials (str): Name of the lxd-cloud credentials
+            (optional) k8s-cloud (str): Name of the cloud to use for k8s proxy charms
+            (optional) k8s-credentials (str): Name of the k8s-cloud credentials
+            (optional) model-config (n2vc.config.ModelConfig): Config to apply in all Juju models
+            (deprecated, optional) api-proxy (str): Proxy IP to reach the controller.
+                                                    Used in case native charms cannot react the controller.
+        """
+        self.endpoints = kwargs["endpoints"]
+        self.user = kwargs["user"]
+        self.secret = kwargs["secret"]
+        self.cacert = base64_to_cacert(kwargs["cacert"])
+        self.pubkey = kwargs.get("pubkey", "")
+        self.lxd_cloud = kwargs.get("lxd-cloud", None)
+        self.lxd_credentials = kwargs.get("lxd-credentials", None)
+        self.k8s_cloud = kwargs.get("k8s-cloud", None)
+        self.k8s_credentials = kwargs.get("k8s-credentials", None)
+        self.model_config = kwargs.get("model-config", {})
+        self.model_config.update({"authorized-keys": self.pubkey})
+        self.api_proxy = kwargs.get("api-proxy", None)