Get func tests passing with a minimal proxy pipeline

I've now got 54 pass, 676 skipped with

   pipeline = proxy-logging memcache tempauth proxy-logging proxy-server

Could probably even ditch logging, but that'd get a bit painful to
debug.

Change-Id: I86bcd7a2373cf1e7213cb716888307306b7bb50d

test/functional/test_access_control.py

@@ -19,7 +19,10 @@ from six.moves.urllib.parse import urlparse, urlunparse
 import uuid
 from random import shuffle
 
-from keystoneclient.v3 import client
+try:
+    from keystoneclient.v3 import ksc
+except ImportError:
+    ksc = None
 from swiftclient import get_auth, http_connection
 
 import test.functional as tf
@@ -3034,7 +3037,7 @@ class KeystoneClient(BaseClient):
 
     def _get_id(self, user_name):
         info = self.users.get(user_name)
-        keystone_client = client.Client(
+        keystone_client = ksc.Client(
             auth_url=self.auth_url,
             version=(self.auth_version,),
             username=user_name,
@@ -3092,6 +3095,8 @@ class SwiftClient(BaseClient):
 
 class BaseTestAC(unittest.TestCase):
     def setUp(self):
+        if ksc is None:
+            raise unittest.SkipTest('keystoneclient is not available')
         self.reseller_admin = tf.swift_test_user[5]
         self.client = SwiftClient()
 

test/functional/test_tempurl.py

@@ -802,6 +802,16 @@ def requires_digest(digest):
 class TestTempurlAlgorithms(Base):
     env = TestTempurlEnv
 
+    def setUp(self):
+        super(TestTempurlAlgorithms, self).setUp()
+        if self.env.tempurl_enabled is False:
+            raise SkipTest("TempURL not enabled")
+        elif self.env.tempurl_enabled is not True:
+            # just some sanity checking
+            raise Exception(
+                "Expected tempurl_enabled to be True/False, got %r" %
+                (self.env.tempurl_enabled,))
+
     def get_sig(self, expires, digest, encoding):
         path = urllib.parse.unquote(self.env.conn.make_path(self.env.obj.path))
         if six.PY2:

test/functional/test_versioned_writes.py

@@ -1129,6 +1129,11 @@ class TestSloWithVersioningUTF8(Base2, TestSloWithVersioning):
 class TestObjectVersioningChangingMode(Base):
     env = TestObjectVersioningHistoryModeEnv
 
+    def setUp(self):
+        super(TestObjectVersioningChangingMode, self).setUp()
+        if 'versioned_writes' not in cluster_info:
+            raise SkipTest("versioned_writes not enabled")
+
     def test_delete_while_changing_mode(self):
         container = self.env.container
         versions_container = self.env.versions_container