Added some type and version checks; removed security_opt from container_config (as this is invalid)

docker/client.py

@@ -444,7 +444,7 @@ class Client(requests.Session):
                          network_disabled=False, name=None, entrypoint=None,
                          cpu_shares=None, working_dir=None, domainname=None,
                          memswap_limit=0, cpuset=None, host_config=None,
-                         mac_address=None, labels=None, security_opt=None):
+                         mac_address=None, labels=None):
 
         if isinstance(volumes, six.string_types):
             volumes = [volumes, ]
@@ -458,8 +458,7 @@ class Client(requests.Session):
             self._version, image, command, hostname, user, detach, stdin_open,
             tty, mem_limit, ports, environment, dns, volumes, volumes_from,
             network_disabled, entrypoint, cpu_shares, working_dir, domainname,
-            memswap_limit, cpuset, host_config, mac_address, labels,
-            security_opt
+            memswap_limit, cpuset, host_config, mac_address, labels
         )
         return self.create_container_from_config(config, name)
 
@@ -883,6 +882,12 @@ class Client(requests.Session):
                     'volumes_from is only supported for API version >= 1.10'
                 )
 
+        if utils.compare_version('1.15', self._version) < 0:
+            if security_opt is not None:
+                raise errors.InvalidVersion(
+                    'security_opt is only supported for API version >= 1.15'
+                )
+
         if utils.compare_version('1.17', self._version) < 0:
             if read_only is not None:
                 raise errors.InvalidVersion(

docker/utils/utils.py

@@ -395,6 +395,11 @@ def create_host_config(
         host_config['Dns'] = dns
 
     if security_opt is not None:
+        if not isinstance(security_opt, list):
+            raise errors.DockerException(
+                'Invalid type for security_opt param: expected list but found'
+                ' {0}'.format(type(security_opt))
+            )
         host_config['SecurityOpt'] = security_opt
 
     if volumes_from is not None:
@@ -447,7 +452,7 @@ def create_container_config(
     dns=None, volumes=None, volumes_from=None, network_disabled=False,
     entrypoint=None, cpu_shares=None, working_dir=None, domainname=None,
     memswap_limit=0, cpuset=None, host_config=None, mac_address=None,
-    labels=None, security_opt=None
+    labels=None
 ):
     if isinstance(command, six.string_types):
         command = shlex.split(str(command))
@@ -546,5 +551,4 @@ def create_container_config(
         'HostConfig': host_config,
         'MacAddress': mac_address,
         'Labels': labels,
-        'SecurityOpt': security_opt,
     }