refactor: Rename exported_errors in status.json (#4500)

This key had more meaning to a developer than to a user. Replace with
"recoverable_errors", and align internal variable names with external
user UI for code legibility.

cloudinit/cmd/main.py

@@ -758,7 +758,7 @@ def status_wrapper(name, args, data_d=None, link_d=None):
     v1 = status["v1"]
     v1["stage"] = mode
     v1[mode]["start"] = time.time()
-    v1[mode]["exported_errors"] = next(
+    v1[mode]["recoverable_errors"] = next(
         filter(lambda h: isinstance(h, LogExporter), root_logger.handlers)
     ).export_logs()
 
@@ -788,7 +788,7 @@ def status_wrapper(name, args, data_d=None, link_d=None):
     v1["stage"] = None
 
     # Write status.json after running init / module code
-    v1[mode]["exported_errors"] = next(
+    v1[mode]["recoverable_errors"] = next(
         filter(lambda h: isinstance(h, LogExporter), root_logger.handlers)
     ).export_logs()
     atomic_helper.write_json(status_path, status)

tests/integration_tests/cmd/test_status.py

@@ -63,4 +63,4 @@ def test_status_json_errors(client):
     """Ensure that deprecated logs end up in the exported errors"""
     assert json.loads(
         client.execute("cat /run/cloud-init/status.json").stdout
-    )["v1"]["init"]["exported_errors"].get("DEPRECATED")
+    )["v1"]["init"]["recoverable_errors"].get("DEPRECATED")