More compatibility with windows (#1367)

* unix-domain sockets are not yet supported
* signal.SIGQUIT doesn't exists

features/environment.py

@@ -171,7 +171,8 @@ class PatroniController(AbstractController):
 
         config['name'] = name
         config['postgresql']['data_dir'] = self._data_dir
-        config['postgresql']['use_unix_socket'] = True
+        config['postgresql']['use_unix_socket'] = os.name != 'nt'  # windows doesn't yet support unix-domain sockets
+        config['postgresql']['pgpass'] = os.path.join(tempfile.gettempdir(), 'pgpass_' + name)
         config['postgresql']['parameters'].update({
             'logging_collector': 'on', 'log_destination': 'csvlog', 'log_directory': self._output_dir,
             'log_filename': name + '.log', 'log_statement': 'all', 'log_min_messages': 'debug1',

patroni/postgresql/config.py

@@ -456,7 +456,7 @@ class ConfigHandler(object):
         # when we are doing custom bootstrap we assume that we don't know superuser password
         # and in order to be able to change it, we are opening trust access from a certain address
         if self._postgresql.bootstrap.running_custom_bootstrap:
-            addresses = {'': 'local'}
+            addresses = {} if os.name == 'nt' else {'': 'local'}  # windows doesn't yet support unix-domain sockets
             if 'host' in self.local_replication_address and not self.local_replication_address['host'].startswith('/'):
                 addresses.update({sa[0] + '/32': 'host' for _, _, _, _, sa in socket.getaddrinfo(
                                   self.local_replication_address['host'], self.local_replication_address['port'],

patroni/postgresql/postmaster.py

@@ -20,9 +20,9 @@ elif sys.version_info >= (3, 4):  # pragma: no cover
 logger = logging.getLogger(__name__)
 
 STOP_SIGNALS = {
-    'smart': signal.SIGTERM,
+    'smart': 'TERM',
-    'fast': signal.SIGINT,
+    'fast': 'INT',
-    'immediate': signal.SIGQUIT,
+    'immediate': 'QUIT',
 }
 
 
@@ -116,7 +116,7 @@ class PostmasterProcess(psutil.Process):
         if os.name != 'posix':
             return self.pg_ctl_kill(mode, pg_ctl)
         try:
-            self.send_signal(STOP_SIGNALS[mode])
+            self.send_signal(getattr(signal, 'SIG' + STOP_SIGNALS[mode]))
         except psutil.NoSuchProcess:
             return True
         except psutil.AccessDenied as e:
@@ -126,9 +126,8 @@ class PostmasterProcess(psutil.Process):
         return None
 
     def pg_ctl_kill(self, mode, pg_ctl):
-        SIGNALNAME = {"smart": "TERM", "fast": "INT", "immediate": "QUIT"}[mode]
         try:
-            status = subprocess.call([pg_ctl, "kill", SIGNALNAME, str(self.pid)])
+            status = subprocess.call([pg_ctl, "kill", STOP_SIGNALS[mode], str(self.pid)])
         except OSError:
             return False
         if status == 0:

tests/test_postmaster.py

@@ -66,6 +66,8 @@ class TestPostmasterProcess(unittest.TestCase):
     @patch('psutil.Process.__init__', Mock())
     @patch('psutil.Process.send_signal')
     @patch('psutil.Process.pid', Mock(return_value=123))
+    @patch('os.name', 'posix')
+    @patch('signal.SIGQUIT', 3, create=True)
     def test_signal_stop(self, mock_send_signal):
         proc = PostmasterProcess(-123)
         self.assertEqual(proc.signal_stop('immediate'), False)