Log when generator does not run due to no peers (#116)

Author: gmazoyer

infrahub_sdk/ctl/generator.py

@@ -72,6 +72,13 @@ async def run(
             kind="CoreGroup", branch=branch, include=["members"], name__value=generator_config.targets
         )
         await targets.members.fetch()
+
+        if not targets.members.peers:
+            console.print(
+                f"[red]No members found within '{generator_config.targets}', not running generator '{generator_name}'"
+            )
+            return
+
         for member in targets.members.peers:
             check_parameter = {}
             if identifier: