Implement AsyncOpenSearch() parameter ssl_assert_hostname (#843)

* Implement AsyncOpenSearch() parameter `ssl_assert_hostname` to allow disabling SSL hostname verification

Signed-off-by: merlinz01 <[email protected]>

* Update PR link

Signed-off-by: merlinz01 <[email protected]>

* Add test

Signed-off-by: merlinz01 <[email protected]>

* Update docs

Signed-off-by: merlinz01 <[email protected]>

* Add test for default value

Signed-off-by: merlinz01 <[email protected]>

* Fix formatting

Signed-off-by: merlinz01 <[email protected]>

* Fix test failing on Python >3.12.7

Signed-off-by: merlinz01 <[email protected]>

* Fix formatting

Signed-off-by: merlinz01 <[email protected]>

---------

Signed-off-by: merlinz01 <[email protected]>
Signed-off-by: Daniel (dB.) Doubrovkine <[email protected]>
Co-authored-by: Daniel (dB.) Doubrovkine <[email protected]>

opensearchpy/_async/client/__init__.py

@@ -109,7 +109,7 @@ class AsyncOpenSearch(Client):
         ])
 
     If using SSL, there are several parameters that control how we deal with
-    certificates (see :class:`~opensearchpy.Urllib3HttpConnection` for
+    certificates (see :class:`~opensearchpy.AIOHttpConnection` for
     detailed description of the options)::
 
         client = OpenSearch(
@@ -123,7 +123,7 @@ class AsyncOpenSearch(Client):
         )
 
     If using SSL, but don't verify the certs, a warning message is showed
-    optionally (see :class:`~opensearchpy.Urllib3HttpConnection` for
+    optionally (see :class:`~opensearchpy.AIOHttpConnection` for
     detailed description of the options)::
 
         client = OpenSearch(
@@ -132,12 +132,14 @@ class AsyncOpenSearch(Client):
             use_ssl=True,
             # no verify SSL certificates
             verify_certs=False,
+            # don't verify the hostname in the certificate
+            ssl_assert_hostname=False,
             # don't show warnings about ssl certs verification
             ssl_show_warn=False
         )
 
     SSL client authentication is supported
-    (see :class:`~opensearchpy.Urllib3HttpConnection` for
+    (see :class:`~opensearchpy.AIOHttpConnection` for
     detailed description of the options)::
 
         client = OpenSearch(

opensearchpy/_async/http_aiohttp.py

@@ -85,6 +85,7 @@ class AIOHttpConnection(AsyncConnection):
         client_cert: Any = None,
         client_key: Any = None,
         ssl_version: Any = None,
+        ssl_assert_hostname: bool = True,
         ssl_assert_fingerprint: Any = None,
         maxsize: Optional[int] = 10,
         headers: Any = None,
@@ -178,7 +179,7 @@ class AIOHttpConnection(AsyncConnection):
 
             if verify_certs:
                 ssl_context.verify_mode = ssl.CERT_REQUIRED
-                ssl_context.check_hostname = True
+                ssl_context.check_hostname = ssl_assert_hostname
             else:
                 ssl_context.check_hostname = False
                 ssl_context.verify_mode = ssl.CERT_NONE