test: print error message when not start registry

re6st/tests/test_network/re6st_wrap.py

@@ -84,13 +84,17 @@ class Re6stRegistry(object):
         """.format(self.port)])
 
         now = time.time()
-        while time.time() - now < 10:
-            if p.poll() != None:
+        while time.time() - now < 20:
+            if p.poll() is not None:
                 break
             time.sleep(0.1)
         else:
             logging.error("registry failed to start, %s", self.name)
             p.destroy()
+            self.proc.destroy()
+            proc = self.node.Popen(['cat', str(self.log)])
+            proc.wait()
+            shutil.rmtree(str(self.path))
             raise Exception("registry failed to start")
         logging.info("re6st service started")
 
@@ -109,6 +113,7 @@ class Re6stRegistry(object):
                              serial=ip_to_serial(self.ip6))
 
     def run(self):
+        assert self.path.exists()
         cmd = ['--ca', self.ca_crt, '--key', self.ca_key, '--dh', DH_FILE,
                '--ipv4', '10.42.0.0/16', '8', '--logfile', self.log, '--db', self.db,
                '--run', self.run_path, '--hello', '4', '--mailhost', 's', '-v4',