added a test to insure that we have maximum logs.

Signed-off-by: Elad Gershon <egershon@nvidia.com>

plugins/pdr_deterministic_plugin/tests/simulation_telemetry.py

@@ -21,8 +21,9 @@
 from collections import OrderedDict
 import requests
 from utils.utils import Utils
+import pandas as pd
 from pathlib import Path
-from datetime import datetime
+from datetime import datetime,timedelta
 
 lock = Lock()
 
@@ -34,6 +35,8 @@
 RCV_REMOTE_PHY_ERROR_COUNTER = "PortRcvRemotePhysicalErrors"
 TEMP_COUNTER = "Module_Temperature"
 FEC_MODE = "fec_mode_active"
+TELEMETRY_DATASTORE_LOCATION = "/opt/ufm/ufm_plugin_pdr_deterministic/datastore"
+MAX_LOG_FILES = 10
 ENDPOINT_CONFIG = {}
 
 EXCLUDE_PORT_LONG_TIME = "ExcludePortForLongTime"
@@ -72,6 +75,8 @@ def do_GET(self): # pylint: disable=invalid-name
         data = endpoint['data']
         self.wfile.write(data.encode())
 
+OUTPUT_FILE_FORMAT = "%Y_%m_%d_%H_%M_%S.csv"
+
 DIFFERENT_DEFAULT_VALUES = {
     # because the plugin reads the meta data to know the first temperature and we cannot stream the metadata.
     TEMP_COUNTER:"5",
@@ -196,6 +201,7 @@ def start_server(port:str,changes_intervals:int, run_forever:bool):
     counters_names = list(counters.keys())
     header = ['timestamp', 'source_id,tag,Node_GUID,port_guid,Port_Number'] + counters_names
     endpoint['data'] = ""
+    setup_log_test = False
     while True:
         # lock.acquire()
         data = []
@@ -219,8 +225,29 @@ def start_server(port:str,changes_intervals:int, run_forever:bool):
         if not run_forever and ENDPOINT_CONFIG["ITERATION_TIME"] > MAX_ITERATIONS:
             # after all the tests are done, we need to stop the simulator and check the logs
             return
+        if not setup_log_test:
+            setup_log_test = create_telemetries_logs()
         time.sleep(changes_intervals)
 
+def create_telemetries_logs():
+    """
+    create up to double of the amount of logs that can be in the folder. this is a setup for test.
+    """
+    successful = True
+    for option_location in ['abs','delta']:
+        input_path_dir = Path(join(TELEMETRY_DATASTORE_LOCATION,option_location))
+        files = list(input_path_dir.glob("*.csv"))
+        if len(files)==0:
+            print("didnt create files because there are no files in the folder")
+            successful = False
+            continue
+        df = pd.read_csv(files[0])
+        for day in range(1,MAX_LOG_FILES*2):
+            # we put days back to make sure the logs that the server creates are recent, we have a test for recent logs.
+            file_name_year_ago = (datetime.now() - timedelta(days=day)).strftime(OUTPUT_FILE_FORMAT)
+            df.to_csv(file_name_year_ago)
+    return successful
+
 def excluded_ports_simulation(endpoint):
     """
     Perform operations on exclusion port for current iteration
@@ -231,7 +258,6 @@ def excluded_ports_simulation(endpoint):
     for port_index in range(len(rows)):
         port_name = endpoint["Ports_names"][port_index]
         iteration = ENDPOINT_CONFIG["ITERATION_TIME"]
-
         # Process remove operation
         if find_value(port_index, INCLUDE_PORT, iteration, None) is not None:
             # Remove from exclusion list
@@ -344,22 +370,25 @@ def check_logs(config):
         return 1
 
     saved_files_tests = True
-    locations_telemetry_csv = "/opt/ufm/ufm_plugin_pdr_deterministic/datastore"
-    OUTPUT_FILE_FORMAT = "%Y_%m_%d_%H_%M_%S.csv"
-
+
     for option_location in ['abs','delta']:
-        input_path_dir = Path(join(locations_telemetry_csv,option_location))
+        input_path_dir = Path(join(TELEMETRY_DATASTORE_LOCATION,option_location))
         files = list(input_path_dir.glob("*.csv"))
-        
+
         if len(files) == 0: # testing we have files there
-            print(f"There is no files in the datastore location:{join(locations_telemetry_csv,option_location)}")
+            print(f"There is no files in the datastore location:{join(TELEMETRY_DATASTORE_LOCATION,option_location)}")
             saved_files_tests = False
             continue
+        print_test_result("there are only 10 items in the set, The test copy in each iterations more logs.",
+                          len(files), MAX_LOG_FILES)
+        if len(files) != MAX_LOG_FILES:
+            saved_files_tests = False
         files.sort(key=lambda p: p.name)
         latest_file = files[0].name
         saved_time = datetime.strptime(latest_file,OUTPUT_FILE_FORMAT)
         different_time = datetime.now() - saved_time
-        print_test_result(f"the latest file saved at {join(locations_telemetry_csv,option_location)} before test running, more than 5 minutes {different_time.total_seconds() > 300}",
+        print_test_result(f"the latest file saved at {join(TELEMETRY_DATASTORE_LOCATION,option_location)}\
+                           before test running, more than 5 minutes {different_time.total_seconds() > 300}",
                           different_time.total_seconds() > 300, False)
         if different_time.total_seconds() > 300:
             saved_files_tests = False
@@ -441,7 +470,7 @@ def main():
 
     if not validate_simulation_data():
         return 1
-    
+
     port = args.endpoint_port
     url = f'http://0.0.0.0:{port}{args.url_suffix}'
     print(f'---Starting endpoint {url}')