Adding check of indirect access

If in scenario file set is_proxy_gateway: true, need
check of indirect access

Change-Id: Icf779a9e8cd1145de68f5341720d32c6b0d1ef55

etc/scenario/sahara-ci/cdh-5.4.0.yaml.mako

@@ -44,6 +44,7 @@ clusters:
           - YARN_NODEMANAGER
           - ZOOKEEPER_SERVER
         auto_security_group: true
+        is_proxy_gateway: true
       - name: master-additional
         flavor: ${medium_flavor_id}
         node_processes:

etc/scenario/sahara-ci/fake.yaml.mako

@@ -17,6 +17,7 @@ clusters:
           - jobtracker
           - namenode
         auto_security_group: true
+        is_proxy_gateway: true
     cluster_template:
       name: fake01
       node_group_templates:

etc/scenario/sahara-ci/hdp-2.0.6.yaml.mako

@@ -16,6 +16,7 @@ clusters:
           - SECONDARY_NAMENODE
           - ZOOKEEPER_SERVER
         auto_security_group: true
+        is_proxy_gateway: true
       - name: worker
         flavor: ${ci_flavor_id}
         node_processes:

etc/scenario/sahara-ci/mapr-4.0.2.mrv2.yaml.mako

@@ -25,6 +25,7 @@ clusters:
         auto_security_group: true
         volumes_per_node: 2
         volumes_size: 20
+        is_proxy_gateway: true
       - name: worker
         flavor: ${ci_flavor_id}
         node_processes:

etc/scenario/sahara-ci/spark-1.3.1.yaml.mako

@@ -9,6 +9,7 @@ clusters:
           - master
           - namenode
         auto_security_group: true
+        is_proxy_gateway: true
       - name: worker
         flavor: ${ci_flavor_id}
         node_processes:

etc/scenario/sahara-ci/transient.yaml.mako

@@ -28,6 +28,7 @@ clusters:
           - resourcemanager
           - namenode
         auto_security_group: true
+        is_proxy_gateway: true
     cluster_template:
       name: transient
       node_group_templates:

etc/scenario/sahara-ci/vanilla-2.7.1.yaml.mako

@@ -39,6 +39,7 @@ clusters:
           - secondarynamenode
           - nodemanager
         auto_security_group: true
+        is_proxy_gateway: true
     cluster_template:
       name: vanilla271
       node_group_templates:

sahara/tests/scenario/README.rst

@@ -237,7 +237,7 @@ This section is an array-type.
 +---------------------------+------------------+----------+----------+--------------------------------------------------+
 | volume_type               | string           |          |          |                                                  |
 +---------------------------+------------------+----------+----------+--------------------------------------------------+
-| is_proxy_gateway          | boolean          |          | False    |                                                  |
+| is_proxy_gateway          | boolean          |          | False    | use this node as proxy gateway                   |
 +---------------------------+------------------+----------+----------+--------------------------------------------------+
 
 

sahara/tests/scenario/base.py

@@ -413,13 +413,22 @@ class BaseTestCase(base.BaseTestCase):
                 with open(template_file) as data:
                     node_groups.append(json.load(data))
 
+        check_indirect_access = False
+        for ng in node_groups:
+            if ng.get('is_proxy_gateway'):
+                check_indirect_access = True
+
         for ng in node_groups:
             kwargs = dict(ng)
             kwargs.update(self.plugin_opts)
             kwargs['flavor_id'] = self._get_flavor_id(kwargs['flavor'])
             del kwargs['flavor']
             kwargs['name'] = utils.rand_name(kwargs['name'])
-            kwargs['floating_ip_pool'] = floating_ip_pool
+            if (not kwargs.get('is_proxy_gateway',
+                               False)) and (check_indirect_access):
+                kwargs['floating_ip_pool'] = None
+            else:
+                kwargs['floating_ip_pool'] = floating_ip_pool
             ng_id = self.__create_node_group_template(**kwargs)
             ng_id_map[ng['name']] = ng_id
         return ng_id_map

sahara/tests/scenario_unit/test_base.py

@@ -91,7 +91,8 @@ class TestBase(testtools.TestCase):
                 {
                     'name': 'master',
                     'node_processes': ['namenode', 'oozie', 'resourcemanager'],
-                    'flavor': '2'
+                    'flavor': '2',
+                    'is_proxy_gateway': True
                 },
                 {
                     'name': 'worker',