cli: add bind option

dspawn/cli.py

@@ -29,6 +29,8 @@ def main():
                         'dafault: stable')
     parser.add_argument('-a', '--address', metavar="x.x.y.z",
                         help='static ip address')
+    parser.add_argument('-bind', '--bind', metavar="/path/to/bind",
+                        help='bind mount folder or device')
     parser.add_argument('-m', '--mode',
                         default='private',
                         choices=['private', 'zone', 'bridge'],

dspawn/container.py

@@ -40,7 +40,8 @@ def use_aptcacherng():
 
 class Machine(object):
     def __init__(self, name, release='stable', mode='private', address=None,
-                 proxy=False, macaddress=None, privateoff=False, **kwargs):
+                 proxy=False, macaddress=None, privateoff=False, bind=None,
+                 **kwargs):
 
         if isinstance(name, list):
             self.name = name[0]
@@ -53,6 +54,7 @@ class Machine(object):
         self.path = os.path.join(self.basepath, self.name)
         self.release = release
         self.address = address
+        self.bind = bind
         self.macaddress = macaddress
         self.proxy = proxy
         self.mode = mode

dspawn/netconf.py

@@ -35,6 +35,10 @@ private_off = '''
 [Exec]
 PrivateUsers=no'''
 
+bind_mount = '''
+[Files]
+Bind=%s
+'''
 
 def get_default_gateway(macaddress):
     import socket
@@ -65,6 +69,12 @@ class MachineConfig:
         if self.machine.privateoff:
             with open(self.machine.config_file, 'a') as cf:
                 cf.write(private_off)
+        if self.machine.bind:
+            p = self.machine.bind
+            if not os.path.isdir(p):
+                os.makedirs(p)
+            with open(self.machine.config_file, 'a') as cf:
+                cf.write(bind_mount % self.machine.bind)
 
 
     def netconf(self):