first commit!
diff --git a/cvp_checks/tests/test_rabbit_cluster.py b/cvp_checks/tests/test_rabbit_cluster.py
new file mode 100644
index 0000000..94de975
--- /dev/null
+++ b/cvp_checks/tests/test_rabbit_cluster.py
@@ -0,0 +1,43 @@
+import re
+
+
+def test_checking_rabbitmq_cluster(local_salt_client):
+    # disable config for this test
+    # it may be reintroduced in future
+    # config = utils.get_configuration(__file__)
+    # request pillar data from rmq nodes
+    rabbitmq_pillar_data = local_salt_client.cmd(
+        'rabbitmq:server', 'pillar.data',
+        ['rabbitmq:cluster'], expr_form='pillar')
+
+    # creating dictionary {node:cluster_size_for_the_node}
+    # with required cluster size for each node
+    control_dict = {}
+    required_cluster_size_dict = {}
+    for node in rabbitmq_pillar_data:
+        cluster_size_from_the_node = len(
+            rabbitmq_pillar_data[node]['rabbitmq:cluster']['members'])
+        required_cluster_size_dict.update({node: cluster_size_from_the_node})
+
+    # request actual data from rmq nodes
+    rabbit_actual_data = local_salt_client.cmd(
+        'rabbitmq:server', 'cmd.run',
+        ['rabbitmqctl cluster_status'], expr_form='pillar')
+
+    # find actual cluster size for each node
+    for node in rabbit_actual_data:
+        running_nodes_count = 0
+        for line in rabbit_actual_data[node].split('\n'):
+            if 'running_nodes' in line:
+                running_nodes_count = line.count('rabbit@')
+        # update control dictionary with values
+        # {node:actual_cluster_size_for_node}
+        if required_cluster_size_dict[node] != running_nodes_count:
+            control_dict.update({node: running_nodes_count})
+
+    assert not len(control_dict), "Inconsistency found within cloud. " \
+                                  "RabbitMQ cluster is probably broken, " \
+                                  "the cluster size for each node " \
+                                  "should be: {} but the following " \
+                                  "nodes has other values: {}".format(
+        len(required_cluster_size_dict.keys()), control_dict)