Initial commit

birb_latency_collector/app.py

@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+import sentry_sdk
+from sentry_sdk.integrations.flask import FlaskIntegration
+from flask import Flask
+from werkzeug.middleware.proxy_fix import ProxyFix
+
+# import stuff
+from utils import register_all_error_handlers, register_health_checks, influxdb_instance
+
+# import views
+from views import ReportView
+
+from config import Config
+
+# Tracing stuffs
+import jaeger_client
+import opentracing
+from flask_opentracing import FlaskTracing
+
+# Setup sentry
+if Config.SENTRY_DSN:
+    sentry_sdk.init(
+        dsn=Config.SENTRY_DSN,
+        integrations=[FlaskIntegration()],
+        traces_sample_rate=0,
+        send_default_pii=True,
+        release=Config.RELEASE_ID,
+        environment=Config.RELEASEMODE
+    )
+
+# create flask app
+app = Flask(__name__)
+app.config.from_object(Config)
+app.wsgi_app = ProxyFix(app.wsgi_app, x_proto=1)
+
+# init stuff
+influxdb_instance.init_app(app)
+
+
+# register error handlers
+register_all_error_handlers(app)
+
+
+# Setup tracing
+def initialize_tracer():
+    app.logger.info("Initializing jaeger...")
+    jaeger_cfg = jaeger_client.Config(config={}, service_name='birb-latency-collector', validate=True)
+    tracer = jaeger_cfg.initialize_tracer()
+    return tracer
+
+
+tracing = FlaskTracing(initialize_tracer, True, app)
+
+# register views
+for view in [ReportView]:
+    view.register(app, trailing_slash=False)
+
+register_health_checks(app)
+
+# start debugging if needed
+if __name__ == "__main__":
+    app.run(debug=True)
+else:
+    import os
+
+    if "gunicorn" in os.environ.get("SERVER_SOFTWARE", ""):
+        import logging
+
+        gunicorn_logger = logging.getLogger('gunicorn.error')
+        app.logger.handlers = gunicorn_logger.handlers
+        app.logger.setLevel(gunicorn_logger.level)
+
+        jaeger_logger = logging.getLogger('jaeger_tracing')
+        jaeger_logger.handlers = gunicorn_logger.handlers
+        jaeger_logger.setLevel(gunicorn_logger.level)
+
+        app.logger.info("Gunicorn environment detected!")
+    else:
+        app.logger.info("Not gunicorn")