Add a first version of the tracking code

admin/mailu/__init__.py

@@ -9,6 +9,8 @@ import flask_limiter
 
 import os
 import docker
+import socket
+import uuid
 
 # Create application
 app = flask.Flask(__name__)
@@ -16,6 +18,8 @@ app = flask.Flask(__name__)
 default_config = {
     'SQLALCHEMY_DATABASE_URI': 'sqlite:////data/main.db',
     'SQLALCHEMY_TRACK_MODIFICATIONS': False,
+    'INSTANCE_ID_PATH': '/data/instance',
+    'STATS_ENDPOINT': '0.{}.stats.mailu.io',
     'SECRET_KEY': 'changeMe',
     'DOCKER_SOCKET': 'unix:///var/run/docker.sock',
     'HOSTNAMES': 'mail.mailu.io',
@@ -50,6 +54,19 @@ db = flask_sqlalchemy.SQLAlchemy(app)
 migrate = flask_migrate.Migrate(app, db)
 limiter = flask_limiter.Limiter(app, key_func=lambda: current_user.username)
 
+# Run statistics
+if os.path.isfile(app.config["INSTANCE_ID_PATH"]):
+    with open(app.config["INSTANCE_ID_PATH"], "r") as handle:
+        instance_id = handle.read()
+else:
+    instance_id = str(uuid.uuid4())
+    with open(app.config["INSTANCE_ID_PATH"], "w") as handle:
+        handle.write(instance_id)
+try:
+    socket.gethostbyname(app.config["STATS_ENDPOINT"].format(instance_id))
+except:
+    pass
+
 # Debugging toolbar
 if app.config.get("DEBUG"):
     import flask_debugtoolbar