get max page size and use it in API calls to AWX

netbox_awx_plugin/models.py

@@ -57,14 +57,30 @@ class AWXInventory(NetBoxModel):
         else:
             return None
 
+    def get_max_page_size(self):
+        url = urljoin(
+            self.awx.url,
+            f"/api/v2/inventories/{self.inventory_id}/hosts/",
+        )
+        r = requests.options(
+            url=url,
+            headers=self.awx.get_headers(),
+            verify=False,
+        )
+        r.raise_for_status()
+        data = r.json()
+        return data.get("max_page_size") 
+
+
     def get_all_hosts(self):
         """
         Retrieves all hosts from the AWX inventory.
         """
         hosts = {}
         page = 1
+        max_page_size = self.get_max_page_size()
         while True:
-            params = {"page": page}
+            params = {"page": page, "page_size": max_page_size}
             r = requests.get(
                 url=urljoin(
                     self.awx.url,
@@ -141,8 +157,9 @@ class AWXInventory(NetBoxModel):
         """
         groups = {}
         page = 1
+        max_page_size = self.get_max_page_size()
         while True:
-            params = {"page": page}
+            params = {"page": page, "page_size": max_page_size}
             r = requests.get(
                 url=urljoin(
                     self.awx.url,