add container arguments

container.conf

@@ -12,5 +12,9 @@
     env: {
         PMA_ARBITRARY: 1
     }
+    cmd: [
+        arg1
+        arg2
+    ]
 }
 

ctl.py

@@ -11,9 +11,9 @@ import sys
 import os
 import pty
 
-def di_syscall(cmd):
+def di_syscall(cmd, workdir='.'):
   #print('[dbg] CMD: %s' % (cmd))
-  process = subprocess.run(cmd, capture_output=True)
+  process = subprocess.run(cmd, capture_output=True, cwd=workdir)
   return (process.stdout.decode("utf-8").strip(), process.stderr.decode("utf-8").strip())
 
 
@@ -45,8 +45,9 @@ def get_config(path):
 # -------------------------- #
 
 class Container:
-  def __init__(self, conf):
+  def __init__(self, conf, workdir):
     self.conf = conf
+    self.workdir = workdir
 
 
   def status(self):
@@ -71,12 +72,15 @@ class Container:
       for publish in self.conf['ports']:
         cmd.append('--publish')
         cmd.append(publish)
+      if self.conf.get('env', None) is not None:
         for env_name in self.conf['env'].keys():
           cmd.append('--env')
           cmd.append('%s=%s' % (env_name, self.conf['env'][env_name]))
       cmd.append(self.conf['image'])
+      for arg in self.conf['cmd']:
+        cmd.append('%s' % arg)
 
-      container_id, err = di_syscall(cmd)
+      container_id, err = di_syscall(cmd, self.workdir)
       if err:
         print('ERROR')
         print(err)
@@ -142,17 +146,23 @@ class Container:
 if len(sys.argv) == 1:
   print_help_exit()
 
-begin_index_commands = 2
-conf = get_config(sys.argv[1])
-if conf is None:
+conf = None
+begin_index_commands = None
+workdir = None
+if os.path.isfile(sys.argv[1]):
+  conf = get_config(sys.argv[1])
+  begin_index_commands = 2
+  workdir = os.path.dirname(sys.argv[1])
+else:
   conf = get_config('container.conf')
-  if conf is None:
-    print_help_exit()
-  else:
   begin_index_commands = 1
+  workdir = '.'
+
+if conf is None:
+  print_help_exit()
 conf = conf.with_fallback(create_default_config())
 
-container = Container(conf)
+container = Container(conf, workdir)
 command = sys.argv[begin_index_commands]
 
 if command == 'start':