docs: literalinclude admin bootstrap examples

Author: garimauttam

docs/root/operations/admin.rst

@@ -23,15 +23,10 @@ modify different aspects of the server:
   :ref:`allow_paths <envoy_v3_api_field_config.bootstrap.v3.Admin.allow_paths>`.
   This can be accomplished with a configuration like the following:
 
-  .. code-block:: yaml
-
-    admin:
-      profile_path: /tmp/envoy.prof
-      address:
-        socket_address: { address: 127.0.0.1, port_value: 9901 }
-      allow_paths:
-      - exact: /ready
-      - prefix: /stats
+  .. literalinclude:: /_configs/repo/admin-interface.yaml
+    :language: yaml
+    :start-after: docs_admin_interface_snippet_start
+    :end-before: docs_admin_interface_snippet_end
 
   All mutations must be sent as HTTP POST operations. When a mutation is requested via GET,
   the request has no effect, and an HTTP 400 (Invalid Request) response is returned.

docs/root/start/quick-start/admin.rst

@@ -27,18 +27,13 @@ The :ref:`admin message <envoy_v3_api_msg_config.bootstrap.v3.Admin>` is require
 the administration server.
 
 The ``address`` key specifies the listening :ref:`address <envoy_v3_api_file_envoy/config/core/v3/address.proto>`
-which in the demo configuration is ``0.0.0.0:9901``.
+which in this example configuration is ``127.0.0.1:9901``.
 
-In this example, the logs are simply discarded.
-
-.. code-block:: yaml
-   :emphasize-lines: 4-5
-
-   admin:
-     address:
-       socket_address:
-         address: 0.0.0.0
-         port_value: 9901
+.. literalinclude:: /_configs/repo/admin-interface.yaml
+   :language: yaml
+   :start-after: docs_admin_address_snippet_start
+   :end-before: docs_admin_address_snippet_end
+   :emphasize-lines: 5-6
 
 .. warning::
 
@@ -55,19 +50,12 @@ You can also restrict which admin endpoints are exposed using
 This is useful when the admin listener is used for limited purposes, such as a readiness probe.
 
 Use ``prefix`` matchers for endpoints that are commonly queried with parameters (for example
-``/stats?filter=...`` or ``/config_dump?resource=...``).
-
-.. code-block:: yaml
-
-   admin:
-     address:
-       socket_address:
-         address: 127.0.0.1
-         port_value: 9901
-     allow_paths:
-     - exact: /ready
-     - prefix: /stats
-     - prefix: /config_dump
+``/stats?filter=...``).
+
+.. literalinclude:: /_configs/repo/admin-interface.yaml
+   :language: yaml
+   :start-after: docs_admin_interface_snippet_start
+   :end-before: docs_admin_interface_snippet_end
 
 
 ``stat_prefix``