CI: test various topologies with multiple replicas

Test tests topologies listed bellow with and without CA on replicas:
star topology: 3 replicas
line topology: 3 replicas
complete topology: 3 replicas

Reviewed-By: Oleg Fayans <ofayans@redhat.com>

ipatests/test_integration/test_replication_layouts.py

@@ -0,0 +1,87 @@
+#
+# Copyright (C) 2015  FreeIPA Contributors see COPYING for license
+#
+
+import time
+
+from ipatests.test_integration.base import IntegrationTest
+from ipatests.test_integration import tasks
+
+
+class LayoutsBaseTest(IntegrationTest):
+
+    @classmethod
+    def install(cls, mh):
+        # tests use custom installation
+        pass
+
+    def replication_is_working(self):
+        test_user = 'replication-testuser'
+        self.master.run_command(
+            ['ipa', 'user-add', test_user, '--first', 'test', '--last', 'user']
+        )
+
+        time.sleep(60)  # make sure the replication of user is done
+
+        for r in self.replicas:
+            r.run_command(['ipa', 'user-show', test_user])
+
+
+class TestLineTopologyWithoutCA(LayoutsBaseTest):
+
+    num_replicas = 3
+
+    def test_line_topology_without_ca(self):
+        tasks.install_topo('line', self.master, self.replicas, [],
+                           setup_replica_cas=False)
+        self.replication_is_working()
+
+
+class TestLineTopologyWithCA(LayoutsBaseTest):
+
+    num_replicas = 3
+
+    def test_line_topology_with_ca(self):
+        tasks.install_topo('line', self.master, self.replicas, [],
+                           setup_replica_cas=True)
+        self.replication_is_working()
+
+
+class TestStarTopologyWithoutCA(LayoutsBaseTest):
+
+    num_replicas = 3
+
+    def test_star_topology_without_ca(self):
+        tasks.install_topo('star', self.master, self.replicas, [],
+                           setup_replica_cas=False)
+        self.replication_is_working()
+
+
+class TestStarTopologyWithCA(LayoutsBaseTest):
+
+    num_replicas = 3
+
+    def test_star_topology_with_ca(self):
+        tasks.install_topo('star', self.master, self.replicas, [],
+                           setup_replica_cas=True)
+        self.replication_is_working()
+
+
+class TestCompleteTopologyWithoutCA(LayoutsBaseTest):
+
+    num_replicas = 3
+
+    def test_complete_topology_without_ca(self):
+        tasks.install_topo('complete', self.master, self.replicas, [],
+                           setup_replica_cas=False)
+        self.replication_is_working()
+
+
+class TestCompleteTopologyWithCA(LayoutsBaseTest):
+
+    num_replicas = 3
+
+    def test_complete_topology_with_ca(self):
+        tasks.install_topo('complete', self.master, self.replicas, [],
+                           setup_replica_cas=True)
+        self.replication_is_working()