freeipa: support for host vars (#34535)

Adds method to return host vars related to FreeIPA hostname.

Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>

contrib/inventory/freeipa.py

@@ -3,8 +3,9 @@
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
 import argparse
-from ipalib import api
 import json
+from ipalib import api, errors
+from six import u
 
 
 def initialize():
@@ -72,25 +73,29 @@ def parse_args():
     return parser.parse_args()
 
 
-def print_host(host):
-    '''
-    This function is really a stub, it could return variables to be used in
-    a playbook. However, at this point there are no variables stored in
-    FreeIPA/IPA.
-
+def get_host_attributes(api, host):
+    """
     This function expects one string, this hostname to lookup variables for.
-    '''
+    Args:
+        api: FreeIPA API Object
+        host: Name of Hostname
 
-    print(json.dumps({}))
-
-    return None
+    Returns: Dict of Host vars if found else None
+    """
+    try:
+        result = api.Command.host_show(u(host))['result']
+        if 'usercertificate' in result:
+            del result['usercertificate']
+        return json.dumps(result, indent=1)
+    except errors.NotFound as e:
+        return {}
 
 
 if __name__ == '__main__':
     args = parse_args()
+    api = initialize()
 
     if args.host:
-        print_host(args.host)
+        print(get_host_attributes(api, args.host))
     elif args.list:
-        api = initialize()
         list_groups(api)