monitoring_log_requests: Improve data output

* Add environment var to enable/disable requests log
* Add ability to send data to an UDP listener instead of stdout

monitoring_log_requests/README.rst

@@ -6,7 +6,14 @@ Monitoring: Requests Logging
 
 This addon is used to output in the logs informations about the user's
 requests.  Data such as *what* is the request, *who* requested it and *how
-much* time did it took to complete could then be extracted from the logs and
+much* time did it took to complete.
+
+The requests logging is activated with the environment variable `ODOO_REQUESTS_LOGGING` set to `1`.
+
+Data output
+###########
+
+The data could then be extracted from the logs and
 loaded in an analysis tool such as ElasticSearch/Kibana.
 
 Each log line is a JSON with the monitored fields, so it is easier to parse.
@@ -15,3 +22,8 @@ The logs are prefixed with ``monitoring.http.requests`` so be sure to enable
 this path in the log handler::
 
     - LOG_HANDLER=":WARNING,monitoring.http.requests:INFO"
+
+It is also possible to send the data directly to an UDP listener without
+outputting anything to the logs to avoid flooding on busy instances.
+To do so, use the environment variable `ODOO_REQUESTS_LOGGING_UDP`
+set to a value like `<address>:<port>` (`address` can be an IP or a domain).

monitoring_log_requests/__init__.py

@@ -1,2 +1,3 @@
 
+from . import utils
 from . import models

monitoring_log_requests/models/__init__.py

@@ -1,2 +1,5 @@
 
+from ..utils import is_enabled
+
+if is_enabled():
     from . import ir_http

monitoring_log_requests/models/ir_http.py

@@ -2,15 +2,28 @@
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
 
 import json
-import logging
 import time
+from os import environ
 
 from odoo import models
 from odoo.http import request as http_request
 from odoo.tools.config import config
 
+udp_dest = environ.get('ODOO_REQUESTS_LOGGING_UDP')
+if udp_dest:
+    import socket
+    import atexit
 
+    sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, 0)
+    atexit.register(sock.close)
+    ip, port = udp_dest.split(':')
+
+    def output_method(data):
+        sock.sendto(data.encode('utf-8'), (ip, port))
+else:
+    import logging
     _logger = logging.getLogger('monitoring.http.requests')
+    output_method = _logger.info
 
 
 class IrHttp(models.AbstractModel):
@@ -80,4 +93,4 @@ class IrHttp(models.AbstractModel):
 
     @classmethod
     def _monitoring_log(cls, info):
-        _logger.info(json.dumps(info))
+        output_method(json.dumps(info))

monitoring_log_requests/utils.py

@@ -0,0 +1,10 @@
+# Copyright 2020 Camptocamp SA
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
+
+from distutils.util import strtobool
+from os import environ
+
+
+def is_enabled():
+    env_val = environ.get('ODOO_REQUESTS_LOGGING')
+    return bool(strtobool(env_val or '0'.lower()))