Add background load fixture

Signed-off-by: Vladimir Avdeev <v.avdeev@yadro.com>

pytest_tests/helpers/k6.py

@@ -2,6 +2,7 @@ import re
 from contextlib import contextmanager
 from dataclasses import dataclass
 from time import sleep
+from typing import Optional
 
 import allure
 from neofs_testlib.shell import Shell
@@ -23,16 +24,18 @@ LOAD_RESULTS_PATTERNS = {
 
 @dataclass
 class LoadParams:
-    obj_size: int
-    containers_count: int
-    out_file: str
-    obj_count: int
-    writers: int
-    readers: int
-    deleters: int
-    load_time: int
     load_type: str
     endpoint: str
+    writers: Optional[int] = None
+    readers: Optional[int] = None
+    deleters: Optional[int] = None
+    clients: Optional[int] = None
+    containers_count: Optional[int] = None
+    out_file: Optional[str] = None
+    load_time: Optional[int] = None
+    obj_count: Optional[int] = None
+    obj_size: Optional[int] = None
+    registry_file: Optional[str] = None
 
 
 @dataclass
@@ -97,19 +100,36 @@ class K6:
         else:
             raise AssertionError("Wrong K6 load type")
 
+    @allure.step("Generate K6 command")
+    def _generate_env_variables(self, load_params: LoadParams, k6_dir: str) -> str:
+        env_vars = {
+            "DURATION": load_params.load_time or None,
+            "WRITE_OBJ_SIZE": load_params.obj_size or None,
+            "WRITERS": load_params.writers or 0,
+            "READERS": load_params.readers or 0,
+            "DELETERS": load_params.deleters or 0,
+            "REGISTRY_FILE": load_params.registry_file or None,
+            "CLIENTS": load_params.clients or None,
+            f"{self.load_params.load_type.upper()}_ENDPOINTS": self.load_params.endpoint,
+            "PREGEN_JSON": f"{self.k6_dir}/{self.load_params.load_type}_{self.load_params.out_file}"
+            if load_params.out_file
+            else None,
+        }
+        allure.attach(
+            "\n".join(f"{param}: {value}" for param, value in env_vars.items()),
+            "K6 ENV variables",
+            allure.attachment_type.TEXT,
+        )
+        return " ".join(
+            [f"-e {param}={value}" for param, value in env_vars.items() if value is not None]
+        )
+
     @allure.step("Start K6 on initiator")
     def start(self) -> None:
 
         self._k6_dir = self.k6_dir
         command = (
-            f"{self.k6_dir}/k6 run "
+            f"{self.k6_dir}/k6 run {self._generate_env_variables(self.load_params, self.k6_dir)} "
-            f"-e DURATION={self.load_params.load_time} "
-            f"-e WRITE_OBJ_SIZE={self.load_params.obj_size} "
-            f"-e WRITERS={self.load_params.writers} -e READERS={self.load_params.readers} "
-            f"-e DELETERS={self.load_params.deleters} "
-            f"-e {self.load_params.load_type.upper()}_ENDPOINTS={self.load_params.endpoint} "
-            f"-e PREGEN_JSON={self.k6_dir}/"
-            f"{self.load_params.load_type}_{self.load_params.out_file} "
             f"{self.k6_dir}/scenarios/{self.load_params.load_type}.js"
         )
         self._k6_process = RemoteProcess.create(command, self.shell)

pytest_tests/steps/load.py

@@ -86,15 +86,18 @@ def prepare_objects(k6_instance: K6):
 
 
 @allure.title("Prepare K6 instances and objects")
-def prepare_k6_instances(load_nodes: list, login: str, pkey: str, load_params: LoadParams) -> list:
+def prepare_k6_instances(
+    load_nodes: list, login: str, pkey: str, load_params: LoadParams, prepare: bool = True
+) -> list:
     k6_load_objects = []
     for load_node in load_nodes:
         ssh_client = SSHShell(host=load_node, login=login, private_key_path=pkey)
         k6_load_object = K6(load_params, ssh_client)
         k6_load_objects.append(k6_load_object)
     for k6_load_object in k6_load_objects:
-        with allure.step("Prepare objects"):
+        if prepare:
-            prepare_objects(k6_load_object)
+            with allure.step("Prepare objects"):
+                prepare_objects(k6_load_object)
     return k6_load_objects
 
 

pytest_tests/testsuites/conftest.py

@@ -9,8 +9,24 @@ import allure
 import pytest
 import yaml
 from binary_version_helper import get_local_binaries_versions, get_remote_binaries_versions
-from common import ASSETS_DIR, FREE_STORAGE, HOSTING_CONFIG_FILE, NEOFS_NETMAP_DICT, WALLET_PASS
+from common import (
+    ASSETS_DIR,
+    BACKGROUND_LOAD_MAX_TIME,
+    BACKGROUND_OBJ_SIZE,
+    BACKGROUND_READERS_COUNT,
+    BACKGROUND_WRITERS_COUNT,
+    FREE_STORAGE,
+    HOSTING_CONFIG_FILE,
+    LOAD_NODE_SSH_PRIVATE_KEY_PATH,
+    LOAD_NODE_SSH_USER,
+    LOAD_NODES,
+    NEOFS_NETMAP_DICT,
+    STORAGE_NODE_SERVICE_NAME_REGEX,
+    WALLET_PASS,
+)
 from env_properties import save_env_properties
+from k6 import LoadParams
+from load import get_services_endpoints, prepare_k6_instances
 from neofs_testlib.hosting import Hosting
 from neofs_testlib.reporter import AllureHandler, get_reporter
 from neofs_testlib.shell import LocalShell, Shell
@@ -138,6 +154,71 @@ def run_health_check(collect_logs, hosting: Hosting):
         raise AssertionError(f"Nodes {failed_nodes} are not healthy")
 
 
+@pytest.fixture(scope="session")
+def background_grpc_load(client_shell, prepare_wallet_and_deposit):
+    registry_file = os.path.join("/tmp/", f"{str(uuid.uuid4())}.bolt")
+    prepare_file = os.path.join("/tmp/", f"{str(uuid.uuid4())}.json")
+    allure.dynamic.title(
+        f"Start background load with parameters: "
+        f"writers = {BACKGROUND_WRITERS_COUNT}, "
+        f"obj_size = {BACKGROUND_OBJ_SIZE}, "
+        f"load_time = {BACKGROUND_LOAD_MAX_TIME}"
+        f"prepare_json = {prepare_file}"
+    )
+    with allure.step("Get endpoints"):
+        endpoints_list = get_services_endpoints(
+            hosting=hosting,
+            service_name_regex=STORAGE_NODE_SERVICE_NAME_REGEX,
+            endpoint_attribute="rpc_endpoint",
+        )
+        endpoints = ",".join(endpoints_list)
+    load_params = LoadParams(
+        endpoint=endpoints,
+        obj_size=BACKGROUND_OBJ_SIZE,
+        registry_file=registry_file,
+        containers_count=1,
+        obj_count=0,
+        out_file=prepare_file,
+        readers=0,
+        writers=BACKGROUND_WRITERS_COUNT,
+        deleters=0,
+        load_time=BACKGROUND_LOAD_MAX_TIME,
+        load_type="grpc",
+    )
+    k6_load_instances = prepare_k6_instances(
+        load_nodes=LOAD_NODES,
+        login=LOAD_NODE_SSH_USER,
+        pkey=LOAD_NODE_SSH_PRIVATE_KEY_PATH,
+        load_params=load_params,
+    )
+    with allure.step("Run background load"):
+        for k6_load_instance in k6_load_instances:
+            k6_load_instance.start()
+    yield
+    with allure.step("Stop background load"):
+        for k6_load_instance in k6_load_instances:
+            k6_load_instance.stop()
+    with allure.step("Verify background load data"):
+        verify_params = LoadParams(
+            endpoint=endpoints,
+            clients=BACKGROUND_READERS_COUNT,
+            registry_file=registry_file,
+            load_time=BACKGROUND_LOAD_MAX_TIME,
+            load_type="verify",
+        )
+        k6_verify_instances = prepare_k6_instances(
+            load_nodes=LOAD_NODES,
+            login=LOAD_NODE_SSH_USER,
+            pkey=LOAD_NODE_SSH_PRIVATE_KEY_PATH,
+            load_params=verify_params,
+            prepare=False,
+        )
+        with allure.step("Run verify background load data"):
+            for k6_verify_instance in k6_verify_instances:
+                k6_verify_instance.start()
+                k6_verify_instance.wait_until_finished(BACKGROUND_LOAD_MAX_TIME)
+
+
 @pytest.fixture(scope="session")
 @allure.title("Prepare wallet and deposit")
 def prepare_wallet_and_deposit(client_shell, prepare_tmp_dir):

pytest_tests/testsuites/network/test_node_management.py

@@ -89,6 +89,18 @@ def return_nodes_after_test_run(client_shell: Shell, hosting: Hosting):
     return_nodes(client_shell, hosting)
 
 
+@allure.step("Tick epoch with retries")
+def tick_epoch_with_retries(shell: Shell, attempts: int = 3, timeout: int = 3):
+    for __attempt in range(attempts):
+        try:
+            tick_epoch(shell=shell)
+        except RuntimeError:
+            sleep(timeout)
+            continue
+        return
+    raise
+
+
 @allure.step("Return node to cluster")
 def return_nodes(shell: Shell, hosting: Hosting, alive_node: Optional[str] = None) -> None:
     for node in list(check_nodes):
@@ -107,13 +119,7 @@ def return_nodes(shell: Shell, hosting: Hosting, alive_node: Optional[str] = Non
 
         check_nodes.remove(node)
         sleep(parse_time(MORPH_BLOCK_TIME))
-        for __attempt in range(3):
+        tick_epoch_with_retries(attempts=3)
-            try:
-                tick_epoch(shell=shell)
-                break
-            except RuntimeError:
-                sleep(3)
-
         check_node_in_map(node, shell=shell, alive_node=alive_node)
 
 

robot/variables/common.py

@@ -36,8 +36,12 @@ WALLET_PASS = os.getenv("WALLET_PASS", "")
 
 # Load node parameters
 LOAD_NODES = os.getenv("LOAD_NODES", "").split(",")
-LOAD_NODE_SSH_USER = os.getenv("LOAD_NODE_SSH_USER")
+LOAD_NODE_SSH_USER = os.getenv("LOAD_NODE_SSH_USER", "root")
 LOAD_NODE_SSH_PRIVATE_KEY_PATH = os.getenv("LOAD_NODE_SSH_PRIVATE_KEY_PATH")
+BACKGROUND_WRITERS_COUNT = os.getenv("BACKGROUND_WRITERS_COUNT", 10)
+BACKGROUND_READERS_COUNT = os.getenv("BACKGROUND_READERS_COUNT", 10)
+BACKGROUND_OBJ_SIZE = os.getenv("BACKGROUND_OBJ_SIZE", 1024)
+BACKGROUND_LOAD_MAX_TIME = os.getenv("BACKGROUND_LOAD_MAX_TIME", 600)
 
 # Configuration of storage nodes
 # TODO: we should use hosting instead of all these variables