Merge pull request #1405 from crate/m/grrrrrrraceful

M/grrrrrrraceful

docs/src/crate/ports.py

@@ -2,6 +2,17 @@
 
 import socket
 
+def public_ip():
+    """
+    take first public interface
+    sorted by getaddrinfo - see RFC 3484
+    should have the real public ip as first
+    """
+    for addrinfo in socket.getaddrinfo(socket.gethostname(), None):
+        if addrinfo[1] in (socket.SOCK_STREAM, socket.SOCK_DGRAM):
+            return addrinfo[4][0]
+
+
 def random_available_port():
     """return some available port reported by the kernel"""
     sock = socket.socket()

docs/src/crate/process_test.py

@@ -7,12 +7,9 @@
 from crate.testing.layer import CrateLayer
 from crate.client.http import Client
 from .paths import crate_path
-from .ports import random_available_port
+from .ports import public_ip, random_available_port
 from lovely.testlayers.layer import CascadedLayer
 
-def public_ip():
-    return socket.gethostbyname(socket.gethostname())
-
 
 class GracefulStopCrateLayer(CrateLayer):