diff options
| -rw-r--r-- | sdnvpn/lib/utils.py | 17 | ||||
| -rw-r--r-- | sdnvpn/test/functest/config.yaml | 12 | ||||
| -rw-r--r-- | sdnvpn/test/functest/testcase_12.py | 224 |
3 files changed, 253 insertions, 0 deletions
diff --git a/sdnvpn/lib/utils.py b/sdnvpn/lib/utils.py index 269a319..78493be 100644 --- a/sdnvpn/lib/utils.py +++ b/sdnvpn/lib/utils.py @@ -756,3 +756,20 @@ def get_ovs_groups(compute_node_list, ovs_br_list, of_protocol="OpenFlow13"): cmd_out_lines += (compute_node.run_cmd(ovs_groups_cmd).strip(). split("\n")) return cmd_out_lines + + +def get_ovs_flows(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 flows 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_flows_cmd = ("sudo ovs-ofctl dump-flows {} -O {} | " + "grep table=".format(ovs_br, of_protocol)) + cmd_out_lines += (compute_node.run_cmd(ovs_flows_cmd).strip(). + split("\n")) + return cmd_out_lines diff --git a/sdnvpn/test/functest/config.yaml b/sdnvpn/test/functest/config.yaml index 2b26077..c50c619 100644 --- a/sdnvpn/test/functest/config.yaml +++ b/sdnvpn/test/functest/config.yaml @@ -177,3 +177,15 @@ testcases: router_1_name: sdnvpn-11-1-router secgroup_name: sdnvpn-sg secgroup_descr: Security group for SDNVPN test cases + + sdnvpn.test.functest.testcase_12: + enabled: true + description: Check Flows and Groups are reprogrammed after OVS reconnect + instance_1_name: sdnvpn-12-1 + instance_2_name: sdnvpn-12-2 + image_name: sdnvpn-image + net_1_name: sdnvpn-12-1-net + subnet_1_name: sdnvpn-12-1-subnet + subnet_1_cidr: 10.10.10.0/24 + secgroup_name: sdnvpn-sg + secgroup_descr: Security group for SDNVPN test cases diff --git a/sdnvpn/test/functest/testcase_12.py b/sdnvpn/test/functest/testcase_12.py new file mode 100644 index 0000000..e6a7ac5 --- /dev/null +++ b/sdnvpn/test/functest/testcase_12.py @@ -0,0 +1,224 @@ +#!/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_12') + + +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 flows and groups, before start topology + initial_ovs_flows = len(test_utils.get_ovs_flows(compute_nodes, + [ovs_br])) + initial_ovs_groups = len(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") + + logging.info("Wait before subtest") + test_utils.wait_before_subtest() + # Get added OVS flows and groups + added_ovs_flows = len(test_utils.get_ovs_flows(compute_nodes, + [ovs_br])) + added_ovs_groups = len(test_utils.get_ovs_groups(compute_nodes, + [ovs_br])) + # Check if flows and groups added successfully + results.record_action("Check if new flows and groups were added " + "to OVS") + + msg = "New OVS flows added" + results.add_to_summary(0, "-") + if added_ovs_flows - initial_ovs_flows > 0: + results.add_success(msg) + else: + results.add_failure(msg) + results.add_to_summary(0, "=") + + msg = "New OVS groups added" + results.add_to_summary(0, "-") + if added_ovs_groups - initial_ovs_groups > 0: + results.add_success(msg) + else: + results.add_failure(msg) + results.add_to_summary(0, "=") + + 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]) + + for compute_node in compute_nodes: + # Disconnect OVS from controller + compute_node.run_cmd("sudo ovs-vsctl del-controller {}". + format(ovs_br)) + test_utils.wait_before_subtest() + # Connect again OVS to Controller + compute_node.run_cmd("sudo ovs-vsctl set-controller {} {}". + format(ovs_br, ovs_controller_conn)) + + logging.info("Wait before subtest resync type 1") + test_utils.wait_before_subtest() + # Get OVS flows added after the reconnection + resynced_ovs_flows = len(test_utils.get_ovs_flows( + compute_nodes, [ovs_br])) + # Get OVS groups added after the reconnection + resynced_ovs_groups = len(test_utils.get_ovs_groups( + compute_nodes, [ovs_br])) + + record_action_msg = ("Check if flows/groups are reprogrammed in OVS " + "after its reconnection by del/set controller.") + record_test_result(added_ovs_flows, resynced_ovs_flows, + added_ovs_groups, resynced_ovs_groups, + record_action_msg, results) + + for compute_node in compute_nodes: + # Disconnect OVS from controller + compute_node.run_cmd("sudo iptables -A OUTPUT -p tcp --dport 6653" + " -j DROP") + test_utils.wait_before_subtest() + # Connect again OVS to Controller + compute_node.run_cmd("sudo iptables -D OUTPUT -p tcp --dport 6653" + " -j DROP") + + logging.info("Wait before subtest resync type 2") + test_utils.wait_before_subtest() + # Get OVS flows added after the reconnection + resynced_ovs_flows = len(test_utils.get_ovs_flows( + compute_nodes, [ovs_br])) + # Get OVS groups added after the reconnection + resynced_ovs_groups = len(test_utils.get_ovs_groups( + compute_nodes, [ovs_br])) + + record_action_msg = ("Check if flows/groups are reprogrammed in OVS " + "after its reconnection by firewall rule for " + "OF port block/unblok") + record_test_result(added_ovs_flows, resynced_ovs_flows, + added_ovs_groups, resynced_ovs_groups, + record_action_msg, results) + + except Exception as e: + logger.error("exception occurred while executing testcase_12: %s", e) + raise + finally: + # Cleanup topology + test_utils.cleanup_nova(nova_client, instance_ids) + test_utils.cleanup_glance(glance_client, image_ids) + test_utils.cleanup_neutron(neutron_client, floatingip_ids, bgpvpn_ids, + interfaces, subnet_ids, router_ids, + network_ids) + + return results.compile_summary() + + +def record_test_result(expected_flow_count, actual_flow_count, + expected_group_count, actual_group_count, + record_msg, results): + results.record_action(record_msg) + msg = ("OVS flows are programmed after resync expected flow count %s," + " actual flow count %s" % (str(expected_flow_count), + str(actual_flow_count))) + results.add_to_summary(0, "-") + if expected_flow_count == actual_flow_count: + results.add_success(msg) + else: + results.add_failure(msg) + results.add_to_summary(0, "=") + + msg = ("OVS groups are programmed after resync expected group count %s," + " actual group count %s" % (str(expected_group_count), + str(actual_group_count))) + results.add_to_summary(0, "-") + if expected_group_count == actual_group_count: + results.add_success(msg) + else: + results.add_failure(msg) + results.add_to_summary(0, "=") + + +if __name__ == '__main__': + logging.basicConfig(level=logging.INFO) + sys.exit(main()) |