Conditionally add auth_timeout to ssh.connect

Renamed sock_kwarg to ssh_connect_kwargs and conditionally added the
auth_timeout parameter based on the installed paramiko version.

lib/ansible/plugins/connection/paramiko_ssh.py

@@ -324,7 +324,7 @@ class Connection(ConnectionBase):
                     pass  # file was not found, but not required to function
             ssh.load_system_host_keys()
 
-        sock_kwarg = self._parse_proxy_command(port)
+        ssh_connect_kwargs = self._parse_proxy_command(port)
 
         ssh.set_missing_host_key_policy(MyAddPolicy(self._new_stdin, self))
 
@@ -340,30 +340,19 @@ class Connection(ConnectionBase):
 
             # paramiko 2.2 introduced auth_timeout parameter
             if LooseVersion(paramiko.__version__) >= LooseVersion('2.2.0'):
-                ssh.connect(
-                    self._play_context.remote_addr.lower(),
-                    username=self._play_context.remote_user,
-                    allow_agent=allow_agent,
-                    look_for_keys=self.get_option('look_for_keys'),
-                    key_filename=key_filename,
-                    password=self._play_context.password,
-                    timeout=self._play_context.timeout,
-                    auth_timeout=self._play_context.timeout,
-                    port=port,
-                    **sock_kwarg
-                )
-            else:
-                ssh.connect(
-                    self._play_context.remote_addr.lower(),
-                    username=self._play_context.remote_user,
-                    allow_agent=allow_agent,
-                    look_for_keys=self.get_option('look_for_keys'),
-                    key_filename=key_filename,
-                    password=self._play_context.password,
-                    timeout=self._play_context.timeout,
-                    port=port,
-                    **sock_kwarg
-                )
+                ssh_connect_kwargs['auth_timeout'] = self._play_context.timeout
+
+            ssh.connect(
+                self._play_context.remote_addr.lower(),
+                username=self._play_context.remote_user,
+                allow_agent=allow_agent,
+                look_for_keys=self.get_option('look_for_keys'),
+                key_filename=key_filename,
+                password=self._play_context.password,
+                timeout=self._play_context.timeout,
+                port=port,
+                **ssh_connect_kwargs
+            )
         except paramiko.ssh_exception.BadHostKeyException as e:
             raise AnsibleConnectionFailure('host key mismatch for %s' % e.hostname)
         except Exception as e: