scripts/_bootstrap.py

@@ -14,6 +14,17 @@ from time import sleep
 from yaml import safe_load
 
 
+banner = """ ___        _        _
+|   \  _ _ (_) _ _  | |__ ___  ___
+| |) || '_|| || ' \ | / /(_-< |___|
+|___/ |_|  |_||_||_||_\_\/__/
+ __  __                        Version {version}
+|  \/  | __ _  _ _   __ _  __ _  ___  _ _
+| |\/| |/ _` || ' \ / _` |/ _` |/ -_)| '_|
+|_|  |_|\__,_||_||_|\__,_|\__, |\___||_|
+                          |___/
+"""
+
 base_directory = Path(__file__).parent.parent
 data_directory = base_directory / "data"
 logfile_directory = data_directory / "logs"
@@ -79,27 +90,29 @@ def cleanup_procs(processes):
 
 
 def start_and_monitor(monitored_subprocesses: list):
+    # display banner
+    print(banner.format(version=os.environ["APP_VERSION"]))
     # start processes
-        for p in monitored_subprocesses:
+    for p in monitored_subprocesses:
-            p.try_start()
+        p.try_start()
-        register_exithandler(cleanup_procs, monitored_subprocesses)
+    register_exithandler(cleanup_procs, monitored_subprocesses)
-        # monitor processes
+    # monitor processes
-        try:
+    try:
-            while True:
+        while True:
-                sleep(1)
+            sleep(1)
-                for p in monitored_subprocesses:
+            for p in monitored_subprocesses:
-                    returncode = p.s.poll()
+                returncode = p.s.poll()
-                    if returncode is None:
+                if returncode is None:
-                        continue
+                    continue
-                    else:
+                else:
-                        print(f"{p.name} stopped with exit code {returncode}.")
+                    print(f"{p.name} stopped with exit code {returncode}.")
-                        if p.try_start() is False:
+                    if p.try_start() is False:
-                            # stop everything if the process
+                        # stop everything if the process
-                            # has exceeded max. tries
+                        # has exceeded max. tries
-                            exit()
+                        exit()
-        except KeyboardInterrupt:
+    except KeyboardInterrupt:
-            print("Received KeyboardInterrupt, exiting...")
+        print("Received KeyboardInterrupt, exiting...")
-            exit()
+        exit()
 
 
 if __name__ == "__main__":