fix --ip='*' argument in various apps

It wasn't properly converted to localhost/0.0.0.0 everywhere, causing errors on startup.

Fixed in KernelApp, KernelManager (affects QtConsole), and ipcontroller

IPython/parallel/apps/ipcontrollerapp.py

@@ -54,7 +54,7 b' from IPython.parallel.controller.hub import HubFactory'
 from IPython.parallel.controller.scheduler import TaskScheduler,launch_scheduler
 from IPython.parallel.controller.sqlitedb import SQLiteDB
 
-from IPython.parallel.util import signal_children, split_url, asbytes
+from IPython.parallel.util import signal_children, split_url, asbytes, disambiguate_url
 
 # conditional import of MongoDB backend class
 
@@ -287,13 +287,15 b' class IPControllerApp(BaseParallelApplication):'
         mq = import_item(str(self.mq_class))
         
         hub = self.factory
-        # maybe_inproc = 'inproc://monitor' if self.use_threads else self.monitor_url
+        # disambiguate url, in case of *
+        monitor_url = disambiguate_url(hub.monitor_url)
+        # maybe_inproc = 'inproc://monitor' if self.use_threads else monitor_url
         # IOPub relay (in a Process)
         q = mq(zmq.PUB, zmq.SUB, zmq.PUB, b'N/A',b'iopub')
         q.bind_in(hub.client_info['iopub'])
         q.bind_out(hub.engine_info['iopub'])
         q.setsockopt_out(zmq.SUBSCRIBE, b'')
-        q.connect_mon(hub.monitor_url)
+        q.connect_mon(monitor_url)
         q.daemon=True
         children.append(q)
 
@@ -302,7 +304,7 b' class IPControllerApp(BaseParallelApplication):'
         q.bind_in(hub.client_info['mux'])
         q.setsockopt_in(zmq.IDENTITY, b'mux')
         q.bind_out(hub.engine_info['mux'])
-        q.connect_mon(hub.monitor_url)
+        q.connect_mon(monitor_url)
         q.daemon=True
         children.append(q)
 
@@ -311,7 +313,7 b' class IPControllerApp(BaseParallelApplication):'
         q.bind_in(hub.client_info['control'])
         q.setsockopt_in(zmq.IDENTITY, b'control')
         q.bind_out(hub.engine_info['control'])
-        q.connect_mon(hub.monitor_url)
+        q.connect_mon(monitor_url)
         q.daemon=True
         children.append(q)
         try:
@@ -326,7 +328,7 b' class IPControllerApp(BaseParallelApplication):'
             q.bind_in(hub.client_info['task'][1])
             q.setsockopt_in(zmq.IDENTITY, b'task')
             q.bind_out(hub.engine_info['task'])
-            q.connect_mon(hub.monitor_url)
+            q.connect_mon(monitor_url)
             q.daemon=True
             children.append(q)
         elif scheme == 'none':
@@ -335,7 +337,7 b' class IPControllerApp(BaseParallelApplication):'
         else:
             self.log.info("task::using Python %s Task scheduler"%scheme)
             sargs = (hub.client_info['task'][1], hub.engine_info['task'],
-                                hub.monitor_url, hub.client_info['notification'])
+                                monitor_url, disambiguate_url(hub.client_info['notification']))
             kwargs = dict(logname='scheduler', loglevel=self.log_level,
                             log_url = self.log_url, config=dict(self.config))
             if 'Process' in self.mq_class:

IPython/zmq/heartbeat.py

@@ -31,15 +31,14 b' class Heartbeat(Thread):'
     def __init__(self, context, addr=(LOCALHOST, 0)):
         Thread.__init__(self)
         self.context = context
-        self.addr = addr
-        self.ip = addr[0]
-        self.port = addr[1]
+        self.ip, self.port = addr
         if self.port == 0:
             s = socket.socket()
-            s.bind(self.addr)
+            # '*' means all interfaces to 0MQ, which is '' to socket.socket
+            s.bind(('' if self.ip == '*' else self.ip, 0))
             self.port = s.getsockname()[1]
             s.close()
-            self.addr = (self.ip, self.port)
+        self.addr = (self.ip, self.port)
         self.daemon = True
 
     def run(self):

IPython/zmq/kernelmanager.py

@@ -710,6 +710,9 b' class KernelManager(HasTraits):'
     # The addresses for the communication channels.
     connection_file = Unicode('')
     ip = Unicode(LOCALHOST)
+    def _ip_changed(self, name, old, new):
+        if new == '*':
+            self.ip = '0.0.0.0'
     shell_port = Int(0)
     iopub_port = Int(0)
     stdin_port = Int(0)