hooks: allow to bind to existing hostname automatically if nothing explicitly is set.

configs/development.ini

@@ -645,9 +645,10 b' vcs.scm_app_implementation = http'
 ; `http` - use http-rpc backend (default)
 vcs.hooks.protocol = http
 
-; Host on which this instance is listening for hooks. If vcsserver is in other location
-; this should be adjusted.
-vcs.hooks.host = 127.0.0.1
+; Host on which this instance is listening for hooks. vcsserver will call this host to pull/push hooks so it should be
+; accessible via network.
+; Use vcs.hooks.host = "*" to bind to current hostname (for Docker)
+vcs.hooks.host = *
 
 ; Start VCSServer with this instance as a subprocess, useful for development
 vcs.start_server = false

configs/production.ini

@@ -596,9 +596,10 b' vcs.scm_app_implementation = http'
 ; `http` - use http-rpc backend (default)
 vcs.hooks.protocol = http
 
-; Host on which this instance is listening for hooks. If vcsserver is in other location
-; this should be adjusted.
-vcs.hooks.host = 127.0.0.1
+; Host on which this instance is listening for hooks. vcsserver will call this host to pull/push hooks so it should be
+; accessible via network.
+; Use vcs.hooks.host = "*" to bind to current hostname (for Docker)
+vcs.hooks.host = *
 
 ; Start VCSServer with this instance as a subprocess, useful for development
 vcs.start_server = false

rhodecode/lib/hooks_daemon.py

@@ -153,18 +153,23 b' class HttpHooksCallbackDaemon(ThreadedHo'
     # request and wastes cpu at all other times.
     POLL_INTERVAL = 0.01
 
+    def get_hostname(self):
+        return socket.gethostname() or '127.0.0.1'
+
     def get_available_port(self):
         mysocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        mysocket.bind(('127.0.0.1', 0))
+        mysocket.bind((self.get_hostname(), 0))
         port = mysocket.getsockname()[1]
         mysocket.close()
         del mysocket
         return port
 
     def _prepare(self, txn_id=None, host=None, port=None):
+        if not host or host == "*":
+            host = self.get_hostname()
+        if not port:
+            port = self.get_available_port()
 
-        host = host or '127.0.0.1'
-        port = port or self.get_available_port()
         server_address = (host, port)
         self.hooks_uri = '{}:{}'.format(host, port)
         self.txn_id = txn_id

rhodecode/tests/lib/test_hooks_daemon.py

@@ -175,29 +175,39 b' class ThreadedHookCallbackDaemon(object)'
 
 
 class TestHttpHooksCallbackDaemon(object):
+    def test_hooks_callback_generates_new_port(self, caplog):
+        with caplog.at_level(logging.DEBUG):
+            daemon = hooks_daemon.HttpHooksCallbackDaemon(host='127.0.0.1', port=8881)
+        assert daemon._daemon.server_address == ('127.0.0.1', 8881)
+
+        with caplog.at_level(logging.DEBUG):
+            daemon = hooks_daemon.HttpHooksCallbackDaemon(host=None, port=None)
+        assert daemon._daemon.server_address[1] in range(0, 66000)
+        assert daemon._daemon.server_address[0] != '127.0.0.1'
+
     def test_prepare_inits_daemon_variable(self, tcp_server, caplog):
         with self._tcp_patcher(tcp_server), caplog.at_level(logging.DEBUG):
-            daemon = hooks_daemon.HttpHooksCallbackDaemon()
+            daemon = hooks_daemon.HttpHooksCallbackDaemon(host='127.0.0.1', port=8881)
         assert daemon._daemon == tcp_server
 
         _, port = tcp_server.server_address
         expected_uri = '{}:{}'.format('127.0.0.1', port)
         msg = 'Preparing HTTP callback daemon at `{}` and ' \
-              'registering hook object'.format(expected_uri)
+              'registering hook object: rhodecode.lib.hooks_daemon.HooksHttpHandler'.format(expected_uri)
         assert_message_in_log(
             caplog.records, msg, levelno=logging.DEBUG, module='hooks_daemon')
 
     def test_prepare_inits_hooks_uri_and_logs_it(
             self, tcp_server, caplog):
         with self._tcp_patcher(tcp_server), caplog.at_level(logging.DEBUG):
-            daemon = hooks_daemon.HttpHooksCallbackDaemon()
+            daemon = hooks_daemon.HttpHooksCallbackDaemon(host='127.0.0.1', port=8881)
 
         _, port = tcp_server.server_address
         expected_uri = '{}:{}'.format('127.0.0.1', port)
         assert daemon.hooks_uri == expected_uri
 
         msg = 'Preparing HTTP callback daemon at `{}` and ' \
-              'registering hook object'.format(expected_uri)
+              'registering hook object: rhodecode.lib.hooks_daemon.HooksHttpHandler'.format(expected_uri)
         assert_message_in_log(
             caplog.records, msg,
             levelno=logging.DEBUG, module='hooks_daemon')

rhodecode/tests/rhodecode.ini

@@ -494,7 +494,7 b' vcs.hooks.protocol = http'
 
 ; Host on which this instance is listening for hooks. If vcsserver is in other location
 ; this should be adjusted.
-vcs.hooks.host = 127.0.0.1
+vcs.hooks.host = *
 
 ; Start VCSServer with this instance as a subprocess, useful for development
 vcs.start_server = false