support for connecting clients to remote servers

- define REMOTE_HOST and REMOTE_LOGIN in servicemanager.cfg
- added app argument to gui client main

base.py

@@ -87,6 +87,7 @@ class ServiceManager:
 
     def __init__(self):
         self.env = {}
+        self.remote_hosts = {}
         self.commands = {}
         # self.revcmd = {}
         self.info = {}
@@ -138,6 +139,8 @@ class ServiceManager:
             section = dict(parser[ins])
             if ins == 'MAIN':
                 ins = self.main_ins = basename(expanduser('~'))
+            if 'REMOTE_HOST' in section:
+                self.remote_hosts[ins] = section['REMOTE_HOST']
             command = section.get('%s_command' % self.group)
             self.revcmd[command] = self.group
             nr = section.get(self.group)
@@ -205,6 +208,8 @@ class ServiceManager:
         if ins not in self.info:
             raise KeyError("don't know %r" % ins)
         sp_ins = ' ' + ins if ins != self.main_ins else ''
+        if ins in self.remote_hosts:
+            return
         if not self.get_procs().get(ins, {}).get(service):
             startcmd = '%s start%s' % (self.group, sp_ins)
             raise ServiceDown('%s%s is not running - please use %r' % (self.group, sp_ins, startcmd))
@@ -271,6 +276,8 @@ class ServiceManager:
             service_ports = self.get_ins_info(ins)
         except ValueError:
             raise ValueError('do not know %r' % ins)
+        if ins in self.remote_hosts:
+            raise ValueError('can not start, %s is running on a remote host' % self.group)
         services = list(service_ports) if service is None else [service]
         if restart:
             self.stop(ins, service)