bugfix: ipv6 should log in controller node to setup

JIRA: YARDSTICK-363

Change-Id: Ic1f2ab98425512014d746a997b7356d3490c6b33
Signed-off-by: rexlee8776 <limingjiang@huawei.com>

3 files changed, 37 insertions, 5 deletions

diff --git a/tests/unit/benchmark/scenarios/networking/test_ping6.py b/tests/unit/benchmark/scenarios/networking/test_ping6.py
index 995113e28..0b8fba268 100644
--- a/tests/unit/benchmark/scenarios/networking/test_ping6.py
+++ b/tests/unit/benchmark/scenarios/networking/test_ping6.py
@@ -25,12 +25,29 @@ class PingTestCase(unittest.TestCase):
             'host1': {
                 'ip': '172.16.0.137',
                 'user': 'cirros',
+                'role': "Controller",
                 'key_filename': "mykey.key",
                 'password': "root"
                 },
+            'host2': {
+                "ip": "172.16.0.138",
+                "key_filename": "/root/.ssh/id_rsa",
+                "role": "Compute",
+                "name": "node3.IPV6",
+                "user": "root"
+                },
             }
         }
 
+    def test_get_controller_node(self):
+        args = {
+            'options': {'host': 'host1','packetsize': 200, 'ping_count': 5},
+            'sla': {'max_rtt': 50}
+        }
+        p = ping6.Ping6(args, self.ctx)
+        controller_node = p._get_controller_node(['host1','host2'])
+        self.assertEqual(controller_node, 'host1')
+
     @mock.patch('yardstick.benchmark.scenarios.networking.ping6.ssh')
     def test_ping_successful_setup(self, mock_ssh):
         args = {
diff --git a/yardstick/benchmark/scenarios/networking/ping6.py b/yardstick/benchmark/scenarios/networking/ping6.py
index 91183be25..38eade335 100644
--- a/yardstick/benchmark/scenarios/networking/ping6.py
+++ b/yardstick/benchmark/scenarios/networking/ping6.py
@@ -54,7 +54,6 @@ class Ping6(base.Scenario):  # pragma: no cover
         ip = node.get('ip', None)
         pwd = node.get('password', None)
         key_fname = node.get('key_filename', '/root/.ssh/id_rsa')
-
         if pwd is not None:
             LOG.debug("Log in via pw, user:%s, host:%s, password:%s",
                       user, ip, pwd)
@@ -73,6 +72,14 @@ class Ping6(base.Scenario):  # pragma: no cover
             status, stdout, stderr = self.client.execute(
                 "sudo bash pre_setup.sh")
 
+    def _get_controller_node(self, host_list):
+        for host_name in host_list:
+            node = self.nodes.get(host_name, None)
+            node_role = node.get('role', None)
+            if node_role == 'Controller':
+                return host_name
+        return None
+
     def setup(self):
         '''scenario setup'''
         self.setup_script = pkg_resources.resource_filename(
@@ -102,9 +109,12 @@ class Ping6(base.Scenario):  # pragma: no cover
         if pre_setup:
             self._pre_setup()
 
-        # ssh host1
-        self._ssh_host(self.host_list[0])
-
+        # log in a contronller node to setup
+        controller_node_name = self._get_controller_node(self.host_list)
+        LOG.debug("The Controller Node is: %s", controller_node_name)
+        if controller_node_name is None:
+            LOG.exception("Can't find controller node in the context!!!")
+        self._ssh_host(controller_node_name)
         self.client.run("cat > ~/metadata.txt",
                         stdin=open(self.ping6_metadata_script, "rb"))
 
diff --git a/yardstick/benchmark/scenarios/networking/ping6_setup.bash b/yardstick/benchmark/scenarios/networking/ping6_setup.bash
index fb6da4fdb..592ced3df 100644
--- a/yardstick/benchmark/scenarios/networking/ping6_setup.bash
+++ b/yardstick/benchmark/scenarios/networking/ping6_setup.bash
@@ -15,8 +15,13 @@ openrc=$1
 external_network=$2
 echo "openrc=$openrc"
 echo "external_network=$external_network"
+echo "nameserver 8.8.4.4" >> /etc/resolv.conf
 source $openrc
-wget https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/Fedora-Cloud-Base-22-20150521.x86_64.qcow2 >/dev/null 2>&1
+
+fedora_img="Fedora-Cloud-Base-22-20150521.x86_64.qcow2"
+if [ ! -f "$fedora_img" ]; then
+    wget https://download.fedoraproject.org/pub/fedora/linux/releases/22/Cloud/x86_64/Images/${fedora_img} >/dev/null 2>&1
+fi
 
 glance image-create --name 'Fedora22' --disk-format qcow2 \
 --container-format bare --file ./Fedora-Cloud-Base-22-20150521.x86_64.qcow2