Set up unique remote port number as the default (#1007)

Set up unique remote port number as the default for remote API

beeflow/common/config_driver.py

@@ -203,6 +203,13 @@ def filepath_completion_input(*pargs, **kwargs):
         return input(*pargs, **kwargs)
 
 
+def unique_port():
+    """Assign unique port for remote user."""
+    uid = os.getuid()
+    port = ((uid%(16000-7777))+7777)
+    return port
+
+
 # Below is the definition of all bee config options, defaults and requirements.
 # This will be used to validate config files on loading them in the BeeConfig
 # singleton class above.
@@ -256,7 +263,7 @@ def filepath_completion_input(*pargs, **kwargs):
                  default=False, validator=validation.bool_, prompt=False)
 
 VALIDATOR.option('DEFAULT', 'remote_api_port', info='BEE remote REST API port',
-                 default=7777, validator=int, prompt=False)
+                 default=unique_port(), validator=int, prompt=False)
 
 VALIDATOR.option('DEFAULT', 'workload_scheduler', choices=('Slurm', 'LSF', 'Flux', 'Simple'),
                  default='Slurm', info='backend workload scheduler to interact with ',

beeflow/remote/remote.py

@@ -137,7 +137,6 @@ def find_free_port(start_port=1024, end_port=65535, host='127.0.0.1'):
 
 def create_app():
     """Start the web-server for the API with uvicorn."""
-    # decide what port we're using for the long term. I set it to port 7777 temporarily
 
     port_number = bc.get('DEFAULT', 'remote_api_port')
     if is_port_taken(port_number) is True: