Remove all cert/tls hacks and update official URL

As we decided to do a hard-switch rather than a smooth one,
we are removing all hacks and set it up to work only with the
official domain & certificate now.

Signed-off-by: Mathias L. Baumann <[email protected]>

Author: Marenz

README.md

@@ -28,7 +28,7 @@ import asyncio
 
 async def print_dispatches():
     # Initialize the client
-    client = Client(key="your_api_key", server_url="grpc://fz-0004.frequenz.io")
+    client = Client(key="your_api_key", server_url="grpc://dispatch.eu-1.prod.api.frequenz.com:443")
 
     # List all dispatches for a specific microgrid
     async for page in client.list(microgrid_id=1):

src/frequenz/client/dispatch/__main__.py

@@ -29,7 +29,7 @@
 from .recurrence import EndCriteria, Frequency, RecurrenceRule, Weekday
 from .types import Dispatch, DispatchEvent
 
-DEFAULT_DISPATCH_API_URL = "grpc://fz-0004.frequenz.io:50051"
+DEFAULT_DISPATCH_API_URL = "grpc://dispatch.eu-1.prod.api.frequenz.com:443"
 
 
 def format_datetime(dt: datetime | None) -> str:

src/frequenz/client/dispatch/_client.py

@@ -49,7 +49,7 @@
 )
 
 # pylint: enable=no-name-in-module
-DEFAULT_DISPATCH_PORT = 50051
+DEFAULT_DISPATCH_PORT = 443
 
 
 class DispatchApiClient(BaseApiClient[dispatch_pb2_grpc.MicrogridDispatchServiceStub]):
@@ -75,14 +75,7 @@ def __init__(
             connect=connect,
             channel_defaults=ChannelOptions(
                 port=DEFAULT_DISPATCH_PORT,
-                ssl=SslOptions(
-                    enabled=True,
-                    root_certificates=Path(
-                        str(
-                            files("frequenz.client.dispatch").joinpath("certs/root.crt")
-                        ),
-                    ),
-                ),
+                ssl=SslOptions(enabled=True),
             ),
         )
         self._metadata = (("key", key),)
@@ -125,7 +118,7 @@ async def list(
         Example usage:
 
         ```python
-        client = DispatchApiClient(key="key", server_url="grpc://fz-0004.frequenz.io")
+        client = DispatchApiClient(key="key", server_url="grpc://dispatch.eu-1.prod.api.frequenz.com:443")
         async for page in client.list(microgrid_id=1):
             for dispatch in page:
                 print(dispatch)
@@ -207,7 +200,7 @@ def stream(self, microgrid_id: int) -> channels.Receiver[DispatchEvent]:
         Example usage:
 
         ```
-        client = DispatchApiClient(key="key", server_url="grpc://fz-0004.frequenz.io")
+        client = DispatchApiClient(key="key", server_url="grpc://dispatch.eu-1.prod.api.frequenz.com:443")
         async for message in client.stream(microgrid_id=1):
             print(message.event, message.dispatch)
         ```