Add descriptions for plugin names (#15643)

* Add descriptions for plugin names

* Update serializers to display plugin and plugin description

* Add function to extract plugin name descriptions

* Add description for scm

* Conditionalize scm and file descriptions

awx/api/serializers.py

@@ -2325,8 +2325,11 @@ class InventorySourceOptionsSerializer(BaseSerializer):
 
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
+
         if 'source' in self.fields:
-            self.fields['source'].choices = load_combined_inventory_source_options()
+            source_options = load_combined_inventory_source_options()
+
+            self.fields['source'].choices = [(plugin, description) for plugin, description in source_options.items()]
 
     def get_related(self, obj):
         res = super(InventorySourceOptionsSerializer, self).get_related(obj)

awx/main/utils/plugins.py

@@ -43,6 +43,24 @@ def compute_cloud_inventory_sources() -> dict[str, str]:
     return dict(zip(plugins, plugins), scm='scm', constructed='constructed')
 
 
+@cache
+def discover_available_cloud_provider_descriptions() -> dict[str, str]:
+    """
+    Return a dictionary of cloud provider plugin descriptions
+    available.
+
+    :returns: Dictionary of plugin cloud descriptions.
+    :rtype: dict[str, str]
+    """
+    from awx.main.models.inventory import InventorySourceOptions
+
+    plugin_description_list = [(plugin_name, plugin.plugin_description) for plugin_name, plugin in InventorySourceOptions.injectors.items()]
+
+    plugin_description = dict(plugin_description_list)
+
+    return plugin_description
+
+
 @cache
 def load_combined_inventory_source_options() -> dict[str, str]:
     """
@@ -56,4 +74,14 @@ def load_combined_inventory_source_options() -> dict[str, str]:
 
     plugins = compute_cloud_inventory_sources()
 
-    return dict(zip(plugins, plugins), file='file')
+    plugin_description = discover_available_cloud_provider_descriptions()
+
+    if 'scm' in plugins:
+        plugin_description['scm'] = 'Sourced from a Project'
+
+    if 'file' in plugins:
+        plugin_description['file'] = 'File-based inventory source'
+
+    result = {plugin: plugin_description.get(plugin, plugin) for plugin in plugins}
+
+    return result