cache provider in feature store instance (#1924)

* cache provider in feature store instance

Signed-off-by: DvirDukhan <dvir@redislabs.com>

* added _provider property to feature store

Signed-off-by: DvirDukhan <dvir@redislabs.com>

sdk/python/feast/feature_store.py

@@ -76,6 +76,7 @@ class FeatureStore:
     config: RepoConfig
     repo_path: Path
     _registry: Registry
+    _provider: Provider
 
     @log_exceptions
     def __init__(
@@ -100,6 +101,7 @@ def __init__(
 
         registry_config = self.config.get_registry_config()
         self._registry = Registry(registry_config, repo_path=self.repo_path)
+        self._provider = get_provider(self.config, self.repo_path)
 
     @log_exceptions
     def version(self) -> str:
@@ -118,7 +120,7 @@ def project(self) -> str:
 
     def _get_provider(self) -> Provider:
         # TODO: Bake self.repo_path into self.config so that we dont only have one interface to paths
-        return get_provider(self.config, self.repo_path)
+        return self._provider
 
     @log_exceptions_and_usage
     def refresh_registry(self):