Fix incomplete/incorrect mapping of node ids in logs

In functional tests (or anything reusing this framework),
the mapping could be incorrect at the beginning of logs.

neo/admin/app.py

@@ -54,6 +54,7 @@ class Application(BaseApplication):
         # partitions.
         self.pt = None
         self.uuid = config.get('uuid')
+        logging.node(self.name, self.uuid)
         self.request_handler = MasterRequestEventHandler(self)
         self.master_event_handler = MasterEventHandler(self)
         self.cluster_state = None

neo/lib/logger.py

@@ -319,6 +319,10 @@ class NEOLogger(Logger):
             self.info('Node ID: %s', uuid_str(cluster_nid[1]))
             self._nid_dict[name] = cluster_nid
 
+    @property
+    def resetNids(self):
+        return self._nid_dict.clear
+
 
 logging = NEOLogger()
 signal.signal(signal.SIGRTMIN, lambda signum, frame: logging.flush())

neo/master/app.py

@@ -109,6 +109,7 @@ class Application(BaseApplication):
             self.nm.createMaster(address=master_address)
         self._node = self.nm.createMaster(address=self.server,
                                           uuid=config.get('uuid'))
+        logging.node(self.name, self.uuid)
 
         logging.debug('IP address is %s, port is %d', *self.server)
 

neo/tests/functional/__init__.py

@@ -120,6 +120,7 @@ class Process(object):
     _coverage_fd = None
     _coverage_prefix = os.path.join(getTempDirectory(), 'coverage-')
     _coverage_index = 0
+    on_fork = [logging.resetNids]
     pid = 0
 
     def __init__(self, command, *args, **kw):
@@ -184,6 +185,8 @@ class Process(object):
                 os.write(w, '\0')
                 sys.argv = [command] + args
                 setproctitle(self.command)
+                for on_fork in self.on_fork:
+                    on_fork()
                 self.run()
                 status = 0
             except SystemExit, e:
@@ -720,6 +723,7 @@ class NEOFunctionalTest(NeoTestBase):
 
     def setupLog(self):
         logging.setup(os.path.join(self.getTempDirectory(), 'test.log'))
+        logging.resetNids()
 
     def getTempDirectory(self):
         # build the full path based on test case and current test method