Add loader and sceanrio runner interfaces, add support for local scenario

Signed-off-by: Andrey Berezin <a.berezin@yadro.com>

src/frostfs_testlib/load/load_config.py

@@ -17,6 +17,7 @@ class LoadScenario(Enum):
     S3_CAR = "s3_car"
     HTTP = "http"
     VERIFY = "verify"
+    LOCAL = "local"
 
 
 all_load_scenarios = [
@@ -25,13 +26,19 @@ all_load_scenarios = [
     LoadScenario.HTTP,
     LoadScenario.S3_CAR,
     LoadScenario.gRPC_CAR,
+    LoadScenario.LOCAL,
 ]
 all_scenarios = all_load_scenarios.copy() + [LoadScenario.VERIFY]
 
-constant_vus_scenarios = [LoadScenario.gRPC, LoadScenario.S3, LoadScenario.HTTP]
+constant_vus_scenarios = [LoadScenario.gRPC, LoadScenario.S3, LoadScenario.HTTP, LoadScenario.LOCAL]
 constant_arrival_rate_scenarios = [LoadScenario.gRPC_CAR, LoadScenario.S3_CAR]
 
-grpc_preset_scenarios = [LoadScenario.gRPC, LoadScenario.HTTP, LoadScenario.gRPC_CAR]
+grpc_preset_scenarios = [
+    LoadScenario.gRPC,
+    LoadScenario.HTTP,
+    LoadScenario.gRPC_CAR,
+    LoadScenario.LOCAL,
+]
 s3_preset_scenarios = [LoadScenario.S3, LoadScenario.S3_CAR]
 
 
@@ -129,6 +136,8 @@ class LoadParams:
     working_dir: Optional[str] = None
     # Preset for the k6 run
     preset: Optional[Preset] = None
+    # K6 download url
+    k6_url: Optional[str] = None
 
     # ------- COMMON SCENARIO PARAMS -------
     # Load time is the maximum duration for k6 to give load. Default is the BACKGROUND_LOAD_DEFAULT_TIME value.
@@ -207,6 +216,10 @@ class LoadParams:
     # Amount of Verification VU.
     verify_clients: Optional[int] = metadata_field([LoadScenario.VERIFY], None, "CLIENTS", True)
 
+    # ------- LOCAL SCENARIO PARAMS -------
+    # Config file location (filled automatically)
+    config_file: Optional[str] = metadata_field([LoadScenario.LOCAL], None, "CONFIG_FILE")
+
     def set_id(self, load_id):
         self.load_id = load_id
         self.registry_file = os.path.join(self.working_dir, f"{load_id}_registry.bolt")