Implement a get VM IP function in utils to be used within test cases

Change-Id: Iaedbfb2fc626eb7d88badee2530593b43c0d1152
Signed-off-by: tomsou <soth@intracom-telecom.com>
(cherry picked from commit 7efb216ca8357533dd040cccc49cb5effec42615)

5 files changed, 16 insertions, 11 deletions

diff --git a/sdnvpn/lib/utils.py b/sdnvpn/lib/utils.py
index 8c4aebf..0a77796 100644
--- a/sdnvpn/lib/utils.py
+++ b/sdnvpn/lib/utils.py
@@ -54,7 +54,7 @@ def create_subnet(neutron_client, name, cidr, net_id):
 
 def create_network(neutron_client, net, subnet1, cidr1,
                    router, subnet2=None, cidr2=None):
-    """Network assoc will not work for networks/subnets created by this function.
+    """Network assoc won't work for networks/subnets created by this function.
 
     It is an ODL limitation due to it handling routers as vpns.
     See https://bugs.opendaylight.org/show_bug.cgi?id=6962"""
@@ -234,6 +234,11 @@ def get_installer_ip():
     return str(os.environ['INSTALLER_IP'])
 
 
+def get_instance_ip(instance):
+    instance_ip = instance.networks.itervalues().next()[0]
+    return instance_ip
+
+
 def wait_for_instance(instance):
     logger.info("Waiting for instance %s to get a DHCP lease..." % instance.id)
     # The sleep this function replaced waited for 80s
diff --git a/sdnvpn/test/functest/testcase_1.py b/sdnvpn/test/functest/testcase_1.py
index a5c1494..5aa6411 100644
--- a/sdnvpn/test/functest/testcase_1.py
+++ b/sdnvpn/test/functest/testcase_1.py
@@ -82,7 +82,7 @@ def main():
         sg_id,
         secgroup_name=TESTCASE_CONFIG.secgroup_name,
         compute_node=av_zone_1)
-    vm_2_ip = vm_2.networks.itervalues().next()[0]
+    vm_2_ip = test_utils.get_instance_ip(vm_2)
 
     vm_3 = test_utils.create_instance(
         nova_client,
@@ -92,7 +92,7 @@ def main():
         sg_id,
         secgroup_name=TESTCASE_CONFIG.secgroup_name,
         compute_node=av_zone_2)
-    vm_3_ip = vm_3.networks.itervalues().next()[0]
+    vm_3_ip = test_utils.get_instance_ip(vm_3)
 
     vm_5 = test_utils.create_instance(
         nova_client,
@@ -102,7 +102,7 @@ def main():
         sg_id,
         secgroup_name=TESTCASE_CONFIG.secgroup_name,
         compute_node=av_zone_2)
-    vm_5_ip = vm_5.networks.itervalues().next()[0]
+    vm_5_ip = test_utils.get_instance_ip(vm_5)
 
     # We boot vm5 first because we need vm5_ip for vm4 userdata
     u4 = test_utils.generate_ping_userdata([vm_5_ip])
@@ -115,7 +115,7 @@ def main():
         secgroup_name=TESTCASE_CONFIG.secgroup_name,
         compute_node=av_zone_1,
         userdata=u4)
-    vm_4_ip = vm_4.networks.itervalues().next()[0]
+    vm_4_ip = test_utils.get_instance_ip(vm_4)
 
     # We boot VM1 at the end because we need to get the IPs first to generate
     # the userdata
diff --git a/sdnvpn/test/functest/testcase_4.py b/sdnvpn/test/functest/testcase_4.py
index bb3ea3e..a474630 100644
--- a/sdnvpn/test/functest/testcase_4.py
+++ b/sdnvpn/test/functest/testcase_4.py
@@ -82,7 +82,7 @@ def main():
         sg_id,
         secgroup_name=TESTCASE_CONFIG.secgroup_name,
         compute_node=av_zone_1)
-    vm_2_ip = vm_2.networks.itervalues().next()[0]
+    vm_2_ip = test_utils.get_instance_ip(vm_2)
 
     vm_3 = test_utils.create_instance(
         nova_client,
@@ -92,7 +92,7 @@ def main():
         sg_id,
         secgroup_name=TESTCASE_CONFIG.secgroup_name,
         compute_node=av_zone_2)
-    vm_3_ip = vm_3.networks.itervalues().next()[0]
+    vm_3_ip = test_utils.get_instance_ip(vm_3)
 
     vm_5 = test_utils.create_instance(
         nova_client,
@@ -102,7 +102,7 @@ def main():
         sg_id,
         secgroup_name=TESTCASE_CONFIG.secgroup_name,
         compute_node=av_zone_2)
-    vm_5_ip = vm_5.networks.itervalues().next()[0]
+    vm_5_ip = test_utils.get_instance_ip(vm_5)
 
     # We boot vm5 first because we need vm5_ip for vm4 userdata
     u4 = test_utils.generate_ping_userdata([vm_5_ip])
@@ -115,7 +115,7 @@ def main():
         secgroup_name=TESTCASE_CONFIG.secgroup_name,
         compute_node=av_zone_1,
         userdata=u4)
-    vm_4_ip = vm_4.networks.itervalues().next()[0]
+    vm_4_ip = test_utils.get_instance_ip(vm_4)
 
     # We boot VM1 at the end because we need to get the IPs first to generate
     # the userdata
diff --git a/sdnvpn/test/functest/testcase_7.py b/sdnvpn/test/functest/testcase_7.py
index 18b6dda..3bc9afb 100644
--- a/sdnvpn/test/functest/testcase_7.py
+++ b/sdnvpn/test/functest/testcase_7.py
@@ -82,7 +82,7 @@ def main():
         network_2_id,
         sg_id,
         secgroup_name=TESTCASE_CONFIG.secgroup_name)
-    vm_2_ip = vm_2.networks.itervalues().next()[0]
+    vm_2_ip = test_utils.get_instance_ip(vm_2)
 
     u1 = test_utils.generate_ping_userdata([vm_2_ip])
     vm_1 = test_utils.create_instance(
diff --git a/sdnvpn/test/functest/testcase_8.py b/sdnvpn/test/functest/testcase_8.py
index 1e29bb2..1fdfa00 100644
--- a/sdnvpn/test/functest/testcase_8.py
+++ b/sdnvpn/test/functest/testcase_8.py
@@ -81,7 +81,7 @@ def main():
         network_2_id,
         sg_id,
         secgroup_name=TESTCASE_CONFIG.secgroup_name)
-    vm_2_ip = vm_2.networks.itervalues().next()[0]
+    vm_2_ip = test_utils.get_instance_ip(vm_2)
 
     u1 = test_utils.generate_ping_userdata([vm_2_ip])
     vm_1 = test_utils.create_instance(