docs: pypi-installation on Ubuntu 24.04 and statsd package for event-logging (#32891)

docs/docs/configuration/event-logging.mdx

@@ -51,6 +51,7 @@ if desired. Most endpoints hit are logged as
 well as key events like query start and end in SQL Lab.
 
 To setup StatsD logging, it’s a matter of configuring the logger in your `superset_config.py`.
+If not already present, you need to ensure that the `statsd`-package is installed in Superset's python environment.
 
 ```python
 from superset.stats_logger import StatsdStatsLogger

docs/docs/installation/pypi.mdx

@@ -22,6 +22,13 @@ level dependencies.
 
 **Debian and Ubuntu**
 
+Ubuntu **24.04** uses python 3.12 per default, which currently is not supported by Superset. You need to add a second python installation of 3.11 and install the required additional dependencies.
+```bash
+sudo add-apt-repository ppa:deadsnakes/ppa
+sudo apt update
+sudo apt install python3.11 python3.11-dev python3.11-venv build-essential libssl-dev libffi-dev libsasl2-dev libldap2-dev default-libmysqlclient-dev
+```
+
 In Ubuntu **20.04 and 22.04** the following command will ensure that the required dependencies are installed:
 
 ```bash
@@ -94,14 +101,9 @@ These will now be available when pip installing requirements.
 
 ## Python Virtual Environment
 
-We highly recommend installing Superset inside of a virtual environment. Python ships with
-`virtualenv` out of the box. If you're using [pyenv](https://github.com/pyenv/pyenv), you can install [pyenv-virtualenv](https://github.com/pyenv/pyenv-virtualenv). Or you can install it with `pip`:
+We highly recommend installing Superset inside of a virtual environment.
 
-```bash
-pip install virtualenv
-```
-
-You can create and activate a virtual environment using:
+You can create and activate a virtual environment using the following commands. Ensure you are using a compatible version of python. You might have to explicitly use for example `python3.11` instead of `python3`.
 
 ```bash
 # virtualenv is shipped in Python 3.6+ as venv instead of pyvenv.
@@ -132,7 +134,7 @@ pip install apache_superset
 
 Then, define mandatory configurations, SECRET_KEY and FLASK_APP:
 ```bash
-export SUPERSET_SECRET_KEY=YOUR-SECRET-KEY
+export SUPERSET_SECRET_KEY=YOUR-SECRET-KEY # For production use, make sure this is a strong key, for example generated using `openssl rand -base64 42`. See https://superset.apache.org/docs/configuration/configuring-superset#specifying-a-secret_key
 export FLASK_APP=superset
 ```
 

superset/stats_logger.py

@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 import logging
-from typing import Optional
+from typing import Any, Optional
 
 from colorama import Fore, Style
 
@@ -105,5 +105,27 @@ try:
         def gauge(self, key: str, value: float) -> None:
             self.client.gauge(key, value)
 
-except Exception:  # pylint: disable=broad-except  # noqa: S110
-    pass
+except Exception as e:  # pylint: disable=broad-except  # noqa: S110
+    # e can only be accessed in the catch and not later during class instantiation.
+    # We have to save it to a separate variable.
+    _saved_exception = e
+
+    class StatsdStatsLogger(BaseStatsLogger):  # type:ignore[no-redef] # the redefinition only happens when the original definition failed
+        def __init__(  # pylint: disable=super-init-not-called
+            self,
+            host: str = "localhost",
+            port: int = 8125,
+            prefix: str = "superset",
+            statsd_client: Any = None,
+        ) -> None:
+            """
+            Initializes from either params or a supplied, pre-constructed statsd client.
+
+            If statsd_client argument is given, all other arguments are ignored and the
+            supplied client will be used to emit metrics.
+
+            If an exception is raised while creating the StatsdStatsLogger class, for
+            example because the statsd package is not installed, it will be re-raised
+            on instantiation of the StatsdStatsLogger.
+            """
+            raise _saved_exception