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authorpperiyasamy <periyasamy.palanisamy@ericsson.com>2017-08-08 13:23:11 +0000
committerPeriyasamy Palanisamy <periyasamy.palanisamy@ericsson.com>2017-11-08 07:30:05 +0100
commit8211ebd59a28be997386030cb1f87e0630770a78 (patch)
tree5ae1e3a0eccb7fd21f48124e2806f7f40c2f73a8
parentaa3ceb31df148f5ebb185271b10e4fd60fac3db1 (diff)
Test groups are deleted after ovs reconnection
Create a new testcase (Testcase 11) Testing procedure: Create a Network with 2 VMs so that a group is added to ovs. Disconnect ovs. Remove the Network and the VMs. Connect ovs again. Check that the group is deleted from it. JIRA: SDNVPN-151 Change-Id: I4c6f5e16f837bbcc589cbbbf05896a2d17b9cd57 Signed-off-by: panageo2 <panageo@intracom-telecom.com> Signed-off-by: Periyasamy Palanisamy <periyasamy.palanisamy@ericsson.com>
-rw-r--r--sdnvpn/lib/utils.py17
-rw-r--r--sdnvpn/test/functest/config.yaml13
-rw-r--r--sdnvpn/test/functest/testcase_11.py165
3 files changed, 195 insertions, 0 deletions
diff --git a/sdnvpn/lib/utils.py b/sdnvpn/lib/utils.py
index 371f3ed..54c9730 100644
--- a/sdnvpn/lib/utils.py
+++ b/sdnvpn/lib/utils.py
@@ -727,3 +727,20 @@ def get_nova_instances_quota(nova_client):
except Exception as e:
logger.error("Error in getting nova instances quota: %s" % e)
raise
+
+
+def get_ovs_groups(compute_node_list, ovs_br_list, of_protocol="OpenFlow13"):
+ """
+ Gets, as input, a list of compute nodes and a list of OVS bridges
+ and returns the command console output, as a list of lines, that
+ contains all the OVS groups from all bridges and nodes in lists.
+ """
+ cmd_out_lines = []
+ for compute_node in compute_node_list:
+ for ovs_br in ovs_br_list:
+ if ovs_br in compute_node.run_cmd("sudo ovs-vsctl show"):
+ ovs_groups_cmd = ("sudo ovs-ofctl dump-groups {} -O {} | "
+ "grep group".format(ovs_br, of_protocol))
+ cmd_out_lines += (compute_node.run_cmd(ovs_groups_cmd).strip().
+ split("\n"))
+ return cmd_out_lines
diff --git a/sdnvpn/test/functest/config.yaml b/sdnvpn/test/functest/config.yaml
index d3063c1..2b26077 100644
--- a/sdnvpn/test/functest/config.yaml
+++ b/sdnvpn/test/functest/config.yaml
@@ -164,3 +164,16 @@ testcases:
router_1_name: sdnvpn-10-1-router
secgroup_name: sdnvpn-sg
secgroup_descr: Security group for SDNVPN test cases
+
+ sdnvpn.test.functest.testcase_11:
+ enabled: true
+ description: Check relevant OVS groups are removed upon deletion of OpenStack topology
+ instance_1_name: sdnvpn-11-1
+ instance_2_name: sdnvpn-11-2
+ image_name: sdnvpn-image
+ net_1_name: sdnvpn-11-1-net
+ subnet_1_name: sdnvpn-11-1-subnet
+ subnet_1_cidr: 10.10.10.0/24
+ router_1_name: sdnvpn-11-1-router
+ secgroup_name: sdnvpn-sg
+ secgroup_descr: Security group for SDNVPN test cases
diff --git a/sdnvpn/test/functest/testcase_11.py b/sdnvpn/test/functest/testcase_11.py
new file mode 100644
index 0000000..bb51199
--- /dev/null
+++ b/sdnvpn/test/functest/testcase_11.py
@@ -0,0 +1,165 @@
+#!/usr/bin/python
+#
+# Copyright (c) 2017 All rights reserved
+# This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+
+import logging
+import sys
+
+from functest.utils import openstack_utils as os_utils
+from sdnvpn.lib import config as sdnvpn_config
+from sdnvpn.lib import utils as test_utils
+from sdnvpn.lib.results import Results
+
+logger = logging.getLogger(__name__)
+
+COMMON_CONFIG = sdnvpn_config.CommonConfig()
+TESTCASE_CONFIG = sdnvpn_config.TestcaseConfig(
+ 'sdnvpn.test.functest.testcase_11')
+
+
+def main():
+ results = Results(COMMON_CONFIG.line_length)
+
+ results.add_to_summary(0, "=")
+ results.add_to_summary(2, "STATUS", "SUBTEST")
+ results.add_to_summary(0, "=")
+
+ nova_client = os_utils.get_nova_client()
+ neutron_client = os_utils.get_neutron_client()
+ glance_client = os_utils.get_glance_client()
+ openstack_nodes = test_utils.get_nodes()
+
+ (floatingip_ids, instance_ids, router_ids, network_ids, image_ids,
+ subnet_ids, interfaces, bgpvpn_ids) = ([] for i in range(8))
+
+ try:
+ image_id = os_utils.create_glance_image(
+ glance_client, TESTCASE_CONFIG.image_name,
+ COMMON_CONFIG.image_path, disk=COMMON_CONFIG.image_format,
+ container="bare", public='public')
+ image_ids.append(image_id)
+
+ network_1_id = test_utils.create_net(neutron_client,
+ TESTCASE_CONFIG.net_1_name)
+ subnet_1_id = test_utils.create_subnet(neutron_client,
+ TESTCASE_CONFIG.subnet_1_name,
+ TESTCASE_CONFIG.subnet_1_cidr,
+ network_1_id)
+
+ network_ids.append(network_1_id)
+ subnet_ids.append(subnet_1_id)
+
+ sg_id = os_utils.create_security_group_full(
+ neutron_client, TESTCASE_CONFIG.secgroup_name,
+ TESTCASE_CONFIG.secgroup_descr)
+
+ # Check required number of compute nodes
+ compute_hostname = (
+ nova_client.hypervisors.list()[0].hypervisor_hostname)
+ compute_nodes = [node for node in openstack_nodes
+ if node.is_compute()]
+
+ av_zone_1 = "nova:" + compute_hostname
+ # List of OVS bridges to get groups
+ ovs_br = "br-int"
+ # Get a list of groups, before start topology
+ initial_ovs_groups = test_utils.get_ovs_groups(compute_nodes,
+ [ovs_br])
+
+ # boot INSTANCES
+ vm_2 = test_utils.create_instance(
+ nova_client,
+ TESTCASE_CONFIG.instance_2_name,
+ image_id,
+ network_1_id,
+ sg_id,
+ secgroup_name=TESTCASE_CONFIG.secgroup_name,
+ compute_node=av_zone_1)
+
+ vm_1 = test_utils.create_instance(
+ nova_client,
+ TESTCASE_CONFIG.instance_1_name,
+ image_id,
+ network_1_id,
+ sg_id,
+ secgroup_name=TESTCASE_CONFIG.secgroup_name,
+ compute_node=av_zone_1)
+ instance_ids.extend([vm_1.id, vm_2.id])
+
+ # Wait for VMs to get ips.
+ instances_up = test_utils.wait_for_instances_up(vm_1, vm_2)
+
+ if not instances_up:
+ logger.error("One or more instances is down")
+ # TODO: Handle this appropriately
+
+ logging.info("Wait before subtest")
+ test_utils.wait_before_subtest()
+ # Get added OVS groups
+ added_ovs_groups = (len(initial_ovs_groups) -
+ len(test_utils.get_ovs_groups(
+ compute_nodes, [ovs_br])))
+ # Check if group added successfully
+ results.record_action("Check if a new group was added to OVS")
+ msg = "New OVS group added"
+ results.add_to_summary(0, "-")
+ if added_ovs_groups != 0:
+ results.add_success(msg)
+ else:
+ results.add_failure(msg)
+ results.add_to_summary(0, "=")
+ # Backup OVS controller connection info.
+ # To support HA changes should be made here.
+ get_ext_ip_cmd = "sudo ovs-vsctl get-controller {}".format(ovs_br)
+ ovs_controller_conn = (compute_nodes[0].run_cmd(get_ext_ip_cmd).
+ strip().split('\n')[0])
+ # Disconnect OVS from controller
+ for compute_node in compute_nodes:
+ compute_node.run_cmd("sudo ovs-vsctl del-controller {}".
+ format(ovs_br))
+ except Exception as e:
+ logger.error("exception occurred while executing testcase_1: %s", e)
+ raise
+ finally:
+ # Cleanup topology
+ test_utils.cleanup_nova(nova_client, instance_ids, image_ids)
+ test_utils.cleanup_neutron(neutron_client, floatingip_ids, bgpvpn_ids,
+ interfaces, subnet_ids, router_ids,
+ network_ids)
+ # Connect again OVS to Controller
+ for compute_node in compute_nodes:
+ compute_node.run_cmd("sudo ovs-vsctl set-controller {} {}".
+ format(ovs_br, ovs_controller_conn))
+ logging.info("Wait before subtest")
+ test_utils.wait_before_subtest()
+ # Get OVS groups added after the reconnection
+ added_ovs_groups = (len(initial_ovs_groups) -
+ len(test_utils.get_ovs_groups(
+ compute_nodes, [ovs_br])))
+
+ # Check if group removed successfully
+ results.record_action("Check if group was removed from OVS "
+ "after deleting the topology.")
+ msg = ""
+ # After removing the topology, groups must be equal to the initial
+ if added_ovs_groups != 0:
+ msg += " Additional group was not deleted from OVS"
+ results.add_to_summary(0, "-")
+ if len(msg) == 0:
+ msg = "Group was deleted from ovs"
+ results.add_success(msg)
+ else:
+ results.add_failure(msg)
+
+ return results.compile_summary()
+
+
+if __name__ == '__main__':
+ logging.basicConfig(level=logging.INFO)
+ sys.exit(main())