Fix node cleanup step

The intention of the test was not to delete node entirely, but just to erase it's data.

Signed-off-by: Vladimir Domnich <v.domnich@yadro.com>

pytest_tests/helpers/service_helper.py

@@ -51,11 +51,15 @@ class LocalDevEnvStorageServiceHelper:
         output = _cmd_run(cmd)
         return output
 
-    def destroy_node(self, node_name: str) -> None:
-        container_name = _get_storage_container_name(node_name)
+    def delete_node_data(self, node_name: str) -> None:
+        volume_name = _get_storage_volume_name(node_name)
+
         client = docker.APIClient()
-        client.remove_container(container_name, force=True)
-    
+        volume_info = client.inspect_volume(volume_name)
+        volume_path = volume_info["Mountpoint"]
+
+        _cmd_run(f"rm -rf {volume_path}/*")
+
     def get_binaries_version(self) -> dict:
         return {}
 
@@ -121,9 +125,8 @@ class CloudVmStorageServiceHelper:
             output = ssh_client.exec_with_confirmation(cmd, [""])
             return output.stdout
 
-    def destroy_node(self, node_name: str) -> None:
+    def delete_node_data(self, node_name: str) -> None:
         with _create_ssh_client(node_name) as ssh_client:
-            ssh_client.exec(f'systemctl stop {self.STORAGE_SERVICE}')
             ssh_client.exec('rm -rf /srv/neofs/*')
 
     def get_binaries_version(self, binaries: list = None) -> dict:
@@ -161,6 +164,7 @@ class CloudVmStorageServiceHelper:
                             f'(mismatch on node {node_name})'
         return version_map
 
+
 class RemoteDevEnvStorageServiceHelper:
     """
     Manages storage services running on remote devenv.
@@ -189,17 +193,21 @@ class RemoteDevEnvStorageServiceHelper:
         # On remote devenv it works same way as in cloud
         return CloudVmStorageServiceHelper().run_control_command(node_name, command)
 
-    def destroy_node(self, node_name: str) -> None:
-        container_name = _get_storage_container_name(node_name)
+    def delete_node_data(self, node_name: str) -> None:
+        volume_name = _get_storage_volume_name(node_name)
         with _create_ssh_client(node_name) as ssh_client:
-            ssh_client.exec(f'docker rm {container_name} --force')
+            volume_info_raw = ssh_client.exec(f'docker volume inspect {volume_name}').stdout
+            volume_info = json.loads(volume_info_raw)
+            volume_path = volume_info[0]["Mountpoint"]
+
+            ssh_client.exec(f'rm -rf {volume_path}/*')
 
     def get_binaries_version(self) -> dict:
         return {}
 
     def _get_container_by_name(self, node_name: str, container_name: str) -> dict:
         with _create_ssh_client(node_name) as ssh_client:
-            output = ssh_client.exec('docker ps -a --format "{{json .}}"')
+            output = ssh_client.exec('docker ps -a --format "{{json .}}"').stdout
             containers = json.loads(output)
 
         for container in containers:
@@ -244,7 +252,16 @@ def _create_ssh_client(node_name: str) -> HostClient:
 
 def _get_storage_container_name(node_name: str) -> str:
     """
-    Converts name of storage name (as it is listed in netmap) into the name of docker container
+    Converts name of storage node (as it is listed in netmap) into the name of docker container
     that runs instance of this storage node.
     """
     return node_name.split('.')[0]
+
+
+def _get_storage_volume_name(node_name: str) -> str:
+    """
+    Converts name of storage node (as it is listed in netmap) into the name of docker volume
+    that contains data of this storage node.
+    """
+    container_name = _get_storage_container_name(node_name)
+    return f"storage_storage_{container_name}"

pytest_tests/testsuites/network/test_node_management.py

@@ -11,9 +11,12 @@ from epoch import tick_epoch
 from python_keywords.container import create_container, get_container
 from python_keywords.failover_utils import wait_object_replication_on_nodes
 from python_keywords.neofs_verbs import delete_object, get_object, head_object, put_object
-from python_keywords.node_management import (check_node_in_map, delete_node, drop_object, exclude_node_from_network_map, get_netmap_snapshot, get_locode, include_node_to_network_map,
+from python_keywords.node_management import (check_node_in_map, delete_node_data, drop_object,
+                                             exclude_node_from_network_map, get_netmap_snapshot,
+                                             get_locode, include_node_to_network_map,
                                              node_healthcheck, node_set_status,
-                                             node_shard_list, node_shard_set_mode, start_nodes, stop_nodes)
+                                             node_shard_list, node_shard_set_mode,
+                                             start_nodes, stop_nodes)
 from service_helper import get_storage_service_helper
 from storage_policy import get_nodes_with_object, get_simple_object_copies
 from utility import (placement_policy_from_container, robot_time_to_int,
@@ -77,7 +80,7 @@ def return_nodes(alive_node: str = None):
             helper.wait_for_node_to_start(node)
 
         with allure.step(f'Move node {node} to online state'):
-            node_set_status(node, status='online', retry=True)
+            node_set_status(node, status='online', retries=2)
 
         check_nodes.remove(node)
         sleep(robot_time_to_int(MAINNET_BLOCK_TIME))
@@ -108,9 +111,10 @@ def test_add_nodes(prepare_tmp_dir, prepare_wallet_and_deposit, return_nodes_aft
 
     check_node_in_map(additional_node, alive_node)
 
-    with allure.step(f'Exclude node {additional_node} from map and clean it up'):
-        delete_node(additional_node, alive_node)
-        check_nodes.append(additional_node)
+    # Add node to recovery list before messing with it
+    check_nodes.append(additional_node)
+    exclude_node_from_network_map(additional_node, alive_node)
+    delete_node_data(additional_node)
 
     cid = create_container(wallet, rule=placement_rule_3, basic_acl=PUBLIC_ACL)
     oid = put_object(wallet, source_file_path, cid, endpoint=NEOFS_NETMAP_DICT[alive_node].get('rpc'))

robot/resources/lib/python_keywords/node_management.py

@@ -188,11 +188,10 @@ def drop_object(node_name: str, cid: str, oid: str) -> str:
     return _run_control_command(node_name, command)
 
 
-def delete_node(node_name: str, alive_node: str) -> None:
-    exclude_node_from_network_map(node_name, alive_node)
-
+@keyword('Delete data of node {node_name}')
+def delete_node_data(node_name: str) -> None:
     helper = get_storage_service_helper()
-    helper.destroy_node(node_name)
+    helper.delete_node_data(node_name)
     time.sleep(robot_time_to_int(MAINNET_BLOCK_TIME))