show nodes migration is applied on (#4388)

* show nodes migration is applied on

* show node type

snuba/migrations/operations.py

@@ -3,12 +3,16 @@
 from enum import Enum
 from typing import Any, Callable, Mapping, Optional, Sequence, Tuple
 
+import structlog
+
 from snuba.clickhouse.columns import Column
 from snuba.clusters.cluster import ClickhouseClientSettings, get_cluster
 from snuba.clusters.storage_sets import StorageSetKey
 from snuba.migrations.columns import MigrationModifiers
 from snuba.migrations.table_engines import TableEngine
 
+logger = structlog.get_logger().bind(module=__name__)
+
 
 class OperationTarget(Enum):
  """
@@ -49,12 +53,13 @@ def execute(self) -> None:
  nodes = dist_nodes
  else:
  raise ValueError(f"Target not set for {self}")
-
+ if nodes:
+ logger.info(f"Executing op: {self.format_sql()[:32]}...")
  for node in nodes:
  connection = cluster.get_node_connection(
  ClickhouseClientSettings.MIGRATE, node
  )
-
+ logger.info(f"Executing on {self.target.value} node: {node}")
  connection.execute(self.format_sql(), settings=self._settings)
 
  @abstractmethod