Make setting ansible_network_os optional

Author: ganeshrn

plugins/connection/httpapi.py

@@ -145,6 +145,9 @@
   platform_type:
     description:
     - Set type of platform.
+    ini:
+    - section: persistent_connetion
+      key: platform_type
     env:
     - name: ANSIBLE_PLATFORM_TYPE
     vars:
@@ -177,40 +180,40 @@ def __init__(self, play_context, new_stdin, *args, **kwargs):
 
         self._auth = None
         if self._network_os:
-            self.load_platform_plugins(self._network_os)
+          self.load_platform_plugins(self._network_os)
 
     def load_platform_plugins(self, platform_type=None):
-        platform_type = platform_type or self.get_option("platform_type")
+      platform_type = platform_type or self.get_option("platform_type")
 
-        if platform_type:
-            self.httpapi = httpapi_loader.get(platform_type, self)
-            if self.httpapi:
-                self._sub_plugin = {
-                    "type": "httpapi",
-                    "name": self.httpapi._load_name,
-                    "obj": self.httpapi,
-                }
-                self.queue_message(
-                    "vvvv",
-                    "loaded API plugin %s from path %s for platform type %s"
-                    % (
-                        self.httpapi._load_name,
-                        self.httpapi._original_path,
-                        platform_type,
-                    ),
-                )
-            else:
-                raise AnsibleConnectionFailure(
-                    "unable to load API plugin for platform type %s"
-                    % platform_type
-                )
+      if platform_type:
+          self.httpapi = httpapi_loader.get(platform_type, self)
+          if self.httpapi:
+              self._sub_plugin = {
+                  "type": "httpapi",
+                  "name": self.httpapi._load_name,
+                  "obj": self.httpapi,
+              }
+              self.queue_message(
+                  "vvvv",
+                  "loaded API plugin %s from path %s for platform type %s"
+                  % (
+                      self.httpapi._load_name,
+                      self.httpapi._original_path,
+                      platform_type,
+                  ),
+              )
+          else:
+              raise AnsibleConnectionFailure(
+                  "unable to load API plugin for platform type %s"
+                  % platform_type
+              )
 
-        else:
-            raise AnsibleConnectionFailure(
-                "Unable to automatically determine host platform type. Please "
-                "manually configure platform_type value for this host"
-            )
-        self.queue_message("log", "platform_type is set to %s" % platform_type)
+      else:
+          raise AnsibleConnectionFailure(
+              "Unable to automatically determine host platform type. Please "
+              "manually configure platform_type value for this host"
+          )
+      self.queue_message("log", "platform_type is set to %s" % platform_type)
 
     @property
     def _url(self):
@@ -331,4 +334,4 @@ def transport_test(self, connect_timeout):
         request the root URL with no error handling.
         """
 
-        open_url(self._url, timeout=connect_timeout)
+        open_url(self._url, timeout=connect_timeout)