Add more addons functions. (#91)

* Add more addons functions.

* fix lint

* fix lint p2

* Allow more customable network settings

* fix lint

* change point of validate

* fix lint

* fix handling

* fix lint & validate data before write

hassio/validate.py

@@ -0,0 +1,32 @@
+"""Validate functions."""
+import voluptuous as vol
+
+NETWORK_PORT = vol.All(vol.Coerce(int), vol.Range(min=1, max=65535))
+HASS_DEVICES = [vol.Match(r"^[^/]*$")]
+
+
+def convert_to_docker_ports(data):
+    """Convert data into docker port list."""
+    # dynamic ports
+    if data is None:
+        return
+
+    # single port
+    if isinstance(data, int):
+        return NETWORK_PORT(data)
+
+    # port list
+    if isinstance(data, list) and len(data) > 2:
+        return vol.Schema([NETWORK_PORT])(data)
+
+    # ip port mapping
+    if isinstance(data, list) and len(data) == 2:
+        return (vol.Coerce(str)(data[0]), NETWORK_PORT(data[1]))
+
+    raise vol.Invalid("Can't validate docker host settings")
+
+
+DOCKER_PORTS = vol.Schema({
+    vol.All(vol.Coerce(str), vol.Match(r"^\d+(?:/tcp|/udp)?$")):
+        convert_to_docker_ports,
+})