9 azure backport (#353)

* fix: backport fix + backport modules to azure

monitoring_prometheus/models/__init__.py

@@ -0,0 +1,2 @@
+from __future__ import absolute_import
+from . import ir_http

monitoring_prometheus/models/ir_http.py

@@ -0,0 +1,50 @@
+# -*- coding: utf-8 -*-
+# Copyright 2016-2021 Camptocamp SA
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html)
+from __future__ import with_statement
+from __future__ import absolute_import
+import logging
+
+from openerp import models
+from openerp.http import request
+
+_logger = logging.getLogger(__name__)
+
+try:
+    from prometheus_client import Summary, Counter
+except (ImportError, IOError), err:
+    _logger.warning(err)
+
+
+REQUEST_TIME = Summary(
+    "request_latency_sec", "Request response time in sec", ["query_type"]
+)
+LONGPOLLING_COUNT = Counter("longpolling", "Longpolling request count")
+
+
+class IrHttp(models.AbstractModel):
+    _inherit = "ir.http"
+
+    @classmethod
+    def _dispatch(cls):
+        path_info = request.httprequest.environ.get("PATH_INFO")
+
+        if path_info.startswith("/longpolling/"):
+            LONGPOLLING_COUNT.inc()
+            return super(IrHttp, cls)._dispatch()
+
+        if path_info.startswith("/metrics"):
+            return super(IrHttp, cls)._dispatch()
+
+        if path_info.startswith("/web/static"):
+            label = "assets"
+        elif path_info.startswith("/web/content"):
+            label = "filestore"
+        else:
+            label = "client"
+
+        res = None
+        with REQUEST_TIME.labels(label).time():
+            res = super(IrHttp, cls)._dispatch()
+
+        return res