Set up opentelemetry using optional requirements

Dockerfile

@@ -1,15 +1,20 @@
 FROM python:3.12 AS build
 WORKDIR /usr/src/app
 
+ARG EXTRAS=""
+
 COPY . .
 RUN --mount=type=cache,target=/root/.cache/pip pip install --root-user-action ignore build
 
 RUN --mount=type=cache,target=/root/.cache/pip python -m build -w
-RUN --mount=type=cache,target=/root/.cache/pip pip install --root-user-action ignore dist/anime_quiz-*.whl
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install --root-user-action ignore dist/anime_quiz-0.1-py3-none-any.whl${EXTRAS}
 RUN python manage.py collectstatic --no-input
 
 FROM python:3.12 AS runtime
 
+ARG EXTRAS=""
+
 # Expose uwsgi socket and HTTP
 EXPOSE 12345 8009
 HEALTHCHECK --start-period=5m \
@@ -22,7 +27,8 @@ WORKDIR /usr/src/app
 COPY uwsgi.cfg .
 COPY --from=build /usr/src/app/dist dist
 COPY --from=build /usr/src/app/static static
-RUN --mount=type=cache,target=/root/.cache/pip pip install --root-user-action ignore dist/anime_quiz-*.whl
+RUN --mount=type=cache,target=/root/.cache/pip \
+    pip install --root-user-action ignore dist/anime_quiz-0.1-py3-none-any.whl${EXTRAS}
 RUN rm -r dist
 
 USER app

anime_quiz/wsgi.py

@@ -7,7 +7,7 @@
 https://docs.djangoproject.com/en/3.1/howto/deployment/wsgi/
 """
 
-#      Copyright (c) 2021 Przemysław Buczkowski
+#      Copyright (c) 2021-24 Przemysław Buczkowski
 #
 #      This file is part of Anime Quiz.
 #
@@ -30,4 +30,16 @@
 
 os.environ.setdefault("DJANGO_SETTINGS_MODULE", "anime_quiz.settings_prod")
 
+try:
+    from uwsgidecorators import postfork
+    from opentelemetry.instrumentation.django import DjangoInstrumentor
+    from opentelemetry.instrumentation.redis import RedisInstrumentor
+except ImportError:
+    pass
+else:
+    @postfork
+    def init_tracing():
+        DjangoInstrumentor().instrument()
+        RedisInstrumentor().instrument()
+
 application = get_wsgi_application()

docker-compose.opentelemetry.yml

@@ -0,0 +1,25 @@
+x-environment: &environment
+  - OTEL_RESOURCE_ATTRIBUTES=service.name=Anime Themes Quiz,deployment.environment=generic:default
+  - OTEL_EXPORTER_OTLP_PROTOCOL=http/protobuf
+  - OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://172.17.0.1:4318/v1/traces
+  #- OTEL_AWS_APPLICATION_SIGNALS_EXPORTER_ENDPOINT=http://172.17.0.1:4316/v1/metrics
+  - OTEL_METRICS_EXPORTER=none
+  - OTEL_LOGS_EXPORTER=none
+  - OTEL_TRACES_SAMPLER=xray
+  - OTEL_TRACES_SAMPLER_ARG=endpoint=http://172.17.0.1:2000
+  - OTEL_AWS_APPLICATION_SIGNALS_ENABLED=true
+
+services:
+  anime_quiz:
+    build:
+      args:
+        - EXTRAS=[opentelemetry]
+    environment: *environment
+    command: opentelemetry-instrument uwsgi --ini uwsgi.cfg
+
+  tasks:
+    build:
+      args:
+        - EXTRAS=[opentelemetry]
+    environment: *environment
+    command: opentelemetry-instrument python -m quiz.tasks

docker-compose.yml

@@ -22,7 +22,7 @@ services:
   tasks:
     build:
       context: .
-    entrypoint: python -m quiz.tasks
+    command: python -m quiz.tasks
     networks:
       - anime_quiz
     depends_on:

pyproject.toml

@@ -46,6 +46,13 @@ gcp = [
     "django-google-cloud-tasks~=2.17.0",
     "google-cloud-logging"
 ]
+opentelemetry = [
+    "aws-opentelemetry-distro",
+    "opentelemetry-instrumentation-django",
+    "opentelemetry-instrumentation-requests",
+    "opentelemetry-instrumentation-redis",
+    "uwsgidecorators==1.1.0"
+]
 
 [project.urls]
 Homepage = "https://quiz.moe"