Add build info to metrics (#555)

* Add build info to metrics

* Make sure test doesn't hang

.travis.yml

@@ -24,7 +24,7 @@ before_install:
 install:
   - pipenv sync --dev
   - cp faf-server.example.pem faf-server.pem
-  - docker build -t faf-python-server .
+  - docker build --build-arg TRAVIS_TAG -t faf-python-server .
 
 script:
   - scripts/run_tests_with_coverage.sh

Dockerfile

@@ -16,6 +16,8 @@ RUN pipenv install --ignore-pipfile --system --deploy
 ADD . /code/
 WORKDIR /code/
 
+ARG TRAVIS_TAG
+ENV VERSION=$TRAVIS_TAG
 RUN python3 -m pip install -e .
 
 # Main entrypoint and the default command that will be run

server.py

@@ -10,8 +10,11 @@
 
 import asyncio
 import logging
+import os
 import signal
 import socket
+import sys
+from datetime import datetime
 
 import server
 import server.config as config
@@ -136,6 +139,13 @@ async def run_profiler():
     for sock in lobby_server.sockets:
         sock.setsockopt(socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1)
 
+    server.metrics.info.info({
+        "version": os.environ.get("VERSION") or "dev",
+        "python_version": ".".join(map(str, sys.version_info[:3])),
+        "start_time": datetime.utcnow().strftime("%m-%d %H:%M"),
+        "game_uid": str(game_service.game_id_counter)
+    })
+
     await done
 
     # Cleanup

server/metrics.py

@@ -1,4 +1,6 @@
-from prometheus_client import Counter, Gauge, Histogram
+from prometheus_client import Counter, Gauge, Histogram, Info
+
+info = Info("build", "Information collected on server start")
 
 # ==========
 # Matchmaker

tests/integration_tests/test_game.py

@@ -86,7 +86,6 @@ async def test_game_ended_rates_game(lobby_server):
     host_id, _, host_proto = await connect_and_sign_in(
         ("test", "test_password"), lobby_server
     )
-    await read_until_command(host_proto, "game_info")
     guest_id, _, guest_proto = await connect_and_sign_in(
         ("Rhiza", "puff_the_magic_dragon"), lobby_server
     )