Implement dynamic Control API exposed via gRPC (#33, #32)

- integrate gRPC Control API server
- imp 'Create', 'Delete', 'Get' methods of Control API
- add temporary client for manual tests of gRPC Control API
- create E2E tests for gRPC Control API
- add '[server.control.grpc]' section to configure Control API gRPC server
- rename '[server]' section of Client API HTTP server as '[server.client.http]'
- add 'server.client.http.public_url' option to configure public URL of Client API HTTP server

Additionally:
- expose configuration changes in 'medea-demo' Helm chart values and bump up its version to 0.2.0
- use tinyurl.com instead of tiny.cc in docs
- fix missing CMake installation in Dockerfile
- describe explicit env var names in configuration file
- provide global AppContext
- add module path and file line number to logs
- refactor types and attributes usage in 'conf' module and split tests by submodules

.clippy.toml

@@ -8,11 +8,13 @@ doc-valid-idents = [
     "IPv4", "IPv6", "JavaScript", "NaN", "NaNs",
     "OAuth", "OpenGL", "OpenSSH", "OpenSSL", "OpenStreetMap", "TrueType",
     "iOS", "macOS", "TeX", "LaTeX", "BibTeX", "BibLaTeX", "MinGW",
-    "WebRTC", "WebSocket",
+    "gRPC",
     "MediaDeviceKind",
     "MediaStream", "MediaStreamConstraints", "MediaStreamTrack",
-    "RTCConfiguration", "RTCIceCandidate", "RTCIceServer",
+    "RTCConfiguration",
+    "RTCIceCandidate", "RTCIceCandidateInit", "RTCIceServer",
     "RTCPeerConnection", "RTCPeerConnectionIceEvent",
     "RTCRtpTransceiver", "RTCRtpTransceiverDirection",
-    "RTCSdpType", "RTCIceCandidateInit"
+    "RTCSdpType",
+    "WebRTC", "WebSocket",
 ]

.travis.yml

@@ -36,7 +36,7 @@ jobs:
       stage: check
       rust: nightly
       cache: false
-      before_script: rustup component add rustfmt
+      before_script: rustup component add rustfmt --toolchain nightly-x86_64-unknown-linux-gnu
       script: make fmt check=yes
 
     - name: medea-jason (beta)

CHANGELOG.md

@@ -11,19 +11,32 @@ All user visible changes to this project will be documented in this file. This p
 
 [Milestone](/../../milestone/2) | [Roadmap](/../../issues/27)
 
+### BC Breaks
+
+- Configuration:
+    - Rename `[server]` section of Client API HTTP server as `[server.client.http]` ([#33]).
+
 ### Added
 
 - Control API:
-    - Support for static Сontrol API specs ([#28]).
+    - Support for static Сontrol API specs ([#28]);
+    - Dynamic Control API exposed via gRPC ([#33]):
+        - `Create` method for `Room`, `Member`, `Endpoint`;
+        - `Get` method for `Room`, `Member`, `Endpoint`;
+        - `Delete` method for `Room`, `Member`, `Endpoint`.
 - Signalling:
     - Dynamic `Peer`s creation when client connects ([#28]);
     - Auto-removing `Peer`s when `Member` disconnects ([#28]);
     - Filter `SetIceCandidate` messages without `candidate` ([#50](/../../pull/50));
     - Send reason of closing WebSocket connection as [Close](https://tools.ietf.org/html/rfc4566#section-5.14) frame's description ([#58](/../../pull/58)).
+- Configuration:
+    - `[server.control.grpc]` section to configure Control API gRPC server ([#33]);
+    - `server.client.http.public_url` option to configure public URL of Client API HTTP server ([#33]).
 - Testing:
     - E2E tests for signalling ([#28]).
 
 [#28]: /../../pull/28
+[#33]: /../../pull/33