Create a raw lookup for hostvars that does not template the data

When using hostvars to get extra connection-specific vars for connection
plugins, use this raw lookup to avoid prematurely templating all of the
hostvar data (triggering unnecessary lookups).

Fixes #17024

1 files changed, 8 insertions, 2 deletions

diff --git a/lib/ansible/vars/hostvars.py b/lib/ansible/vars/hostvars.py
index 1e2ac7e292..31d30ad801 100644
--- a/lib/ansible/vars/hostvars.py
+++ b/lib/ansible/vars/hostvars.py
@@ -68,13 +68,19 @@ class HostVars(collections.Mapping):
             host = self._inventory.get_host(host_name)
         return host
 
-    def __getitem__(self, host_name):
+    def raw_get(self, host_name):
+        '''
+        Similar to __getitem__, however the returned data is not run through
+        the templating engine to expand variables in the hostvars.
+        '''
         host = self._find_host(host_name)
         if host is None:
             raise j2undefined
 
-        data = self._variable_manager.get_vars(loader=self._loader, host=host, include_hostvars=False)
+        return self._variable_manager.get_vars(loader=self._loader, host=host, include_hostvars=False)
 
+    def __getitem__(self, host_name):
+        data = self.raw_get(host_name)
         sha1_hash = sha1(str(data).encode('utf-8')).hexdigest()
         if sha1_hash in self._cached_result:
             result = self._cached_result[sha1_hash]