Metrics config reference

Author: andreyaksenov

doc/reference/configuration/configuration_reference.rst

@@ -2661,6 +2661,64 @@ The ``memtx`` section is used to configure parameters related to the :ref:`memtx
     | Default: box.NULL
     | Environment variable: TT_MEMTX_SORT_THREADS
 
+
+
+
+..  _configuration_reference_metrics:
+
+metrics
+-------
+
+The ``metrics`` section defines configuration parameters for :ref:`metrics <monitoring>`.
+
+..  NOTE::
+
+    ``metrics`` can be defined in any :ref:`scope <configuration_scopes>`.
+
+-   :ref:`metrics.exclude <configuration_reference_metrics_exclude>`
+-   :ref:`metrics.include <configuration_reference_metrics_include>`
+-   :ref:`metrics.labels <configuration_reference_metrics_labels>`
+
+
+.. _configuration_reference_metrics_exclude:
+
+..  confval:: metrics.exclude
+
+    **Example**
+
+    ..  literalinclude:: /code_snippets/snippets/config/instances.enabled/metrics/config.yaml
+        :end-before: roles:
+        :language: yaml
+        :dedent:
+
+    |
+    | Type: array
+    | Default: nil
+    | Environment variable: TT_METRICS_EXCLUDE
+
+
+.. _configuration_reference_metrics_include:
+
+..  confval:: metrics.include
+
+    |
+    | Type: array
+    | Default: nil
+    | Environment variable: TT_METRICS_INCLUDE
+
+
+.. _configuration_reference_metrics_labels:
+
+..  confval:: metrics.labels
+
+    |
+    | Type: map
+    | Default: nil
+    | Environment variable: TT_METRICS_LABELS
+
+
+
+
 ..  _configuration_reference_process:
 
 process