| #TopoPerfNext |
| # |
| #Topology Performance test for ONOS-next |
| # |
| #andrew@onlab.us |
| |
| import time |
| import sys |
| import os |
| import re |
| |
| class TopoPerfNext: |
| def __init__(self): |
| self.default = '' |
| |
| def CASE1(self, main): |
| ''' |
| ONOS startup sequence |
| ''' |
| import time |
| |
| cell_name = main.params['ENV']['cellName'] |
| |
| git_pull = main.params['GIT']['autoPull'] |
| checkout_branch = main.params['GIT']['checkout'] |
| |
| ONOS1_ip = main.params['CTRL']['ip1'] |
| ONOS2_ip = main.params['CTRL']['ip2'] |
| ONOS3_ip = main.params['CTRL']['ip3'] |
| MN1_ip = main.params['MN']['ip1'] |
| BENCH_ip = main.params['BENCH']['ip'] |
| |
| main.case("Setting up test environment") |
| |
| main.step("Creating cell file") |
| cell_file_result = main.ONOSbench.create_cell_file( |
| BENCH_ip, cell_name, MN1_ip, "onos-core", |
| ONOS1_ip, ONOS2_ip, ONOS3_ip) |
| |
| main.step("Applying cell file to environment") |
| cell_apply_result = main.ONOSbench.set_cell(cell_name) |
| verify_cell_result = main.ONOSbench.verify_cell() |
| |
| main.step("Git checkout and pull "+checkout_branch) |
| if git_pull == 'on': |
| checkout_result = \ |
| main.ONOSbench.git_checkout(checkout_branch) |
| pull_result = main.ONOSbench.git_pull() |
| else: |
| checkout_result = main.TRUE |
| pull_result = main.TRUE |
| main.log.info("Skipped git checkout and pull") |
| |
| main.step("Using mvn clean & install") |
| #mvn_result = main.ONOSbench.clean_install() |
| mvn_result = main.TRUE |
| |
| main.step("Creating ONOS package") |
| package_result = main.ONOSbench.onos_package() |
| |
| main.step("Installing ONOS package") |
| install1_result = main.ONOSbench.onos_install(node=ONOS1_ip) |
| install2_result = main.ONOSbench.onos_install(node=ONOS2_ip) |
| install3_result = main.ONOSbench.onos_install(node=ONOS3_ip) |
| |
| #NOTE: This step may be unnecessary |
| #main.step("Starting ONOS service") |
| #start_result = main.ONOSbench.onos_start(ONOS1_ip) |
| |
| main.step("Set cell for ONOS cli env") |
| main.ONOS1cli.set_cell(cell_name) |
| main.ONOS2cli.set_cell(cell_name) |
| main.ONOS3cli.set_cell(cell_name) |
| |
| time.sleep(10) |
| |
| main.step("Start onos cli") |
| cli1 = main.ONOS1cli.start_onos_cli(ONOS1_ip) |
| cli2 = main.ONOS2cli.start_onos_cli(ONOS2_ip) |
| cli3 = main.ONOS3cli.start_onos_cli(ONOS3_ip) |
| |
| main.step("Enable metrics feature") |
| main.ONOS1cli.feature_install("onos-app-metrics-topology") |
| main.ONOS2cli.feature_install("onos-app-metrics-topology") |
| main.ONOS3cli.feature_install("onos-app-metrics-topology") |
| |
| utilities.assert_equals(expect=main.TRUE, |
| actual= cell_file_result and cell_apply_result and\ |
| verify_cell_result and checkout_result and\ |
| pull_result and mvn_result and\ |
| install1_result and install2_result and\ |
| install3_result, |
| onpass="ONOS started successfully", |
| onfail="Failed to start ONOS") |
| |
| def CASE2(self, main): |
| ''' |
| Assign s1 to ONOS1 and measure latency |
| |
| There are 4 levels of latency measurements to this test: |
| 1) End-to-end measurement: Complete end-to-end measurement |
| from TCP (SYN/ACK) handshake to Graph change |
| 2) OFP-to-graph measurement: 'ONOS processing' snippet of |
| measurement from OFP Vendor message to Graph change |
| 3) OFP-to-device measurement: 'ONOS processing without |
| graph change' snippet of measurement from OFP vendor |
| message to Device change timestamp |
| 4) T0-to-device measurement: Measurement that includes |
| the switch handshake to devices timestamp without |
| the graph view change. (TCP handshake -> Device |
| change) |
| ''' |
| import time |
| import subprocess |
| import json |
| import requests |
| import os |
| |
| ONOS1_ip = main.params['CTRL']['ip1'] |
| ONOS2_ip = main.params['CTRL']['ip2'] |
| ONOS3_ip = main.params['CTRL']['ip3'] |
| ONOS_user = main.params['CTRL']['user'] |
| |
| default_sw_port = main.params['CTRL']['port1'] |
| |
| #Number of iterations of case |
| num_iter = main.params['TEST']['numIter'] |
| |
| #Timestamp 'keys' for json metrics output. |
| #These are subject to change, hence moved into params |
| deviceTimestamp = main.params['JSON']['deviceTimestamp'] |
| graphTimestamp = main.params['JSON']['graphTimestamp'] |
| |
| #List of switch add latency collected from |
| #all iterations |
| latency_end_to_end_list = [] |
| latency_ofp_to_graph_list = [] |
| latency_ofp_to_device_list = [] |
| latency_t0_to_device_list = [] |
| |
| #Directory/file to store tshark results |
| tshark_of_output = "/tmp/tshark_of_topo.txt" |
| tshark_tcp_output = "/tmp/tshark_tcp_topo.txt" |
| |
| #String to grep in tshark output |
| tshark_tcp_string = "TCP 74 "+default_sw_port |
| tshark_of_string = "OFP 86 Vendor" |
| |
| #Initialize assertion to TRUE |
| assertion = main.TRUE |
| |
| main.log.report("Latency of adding one switch") |
| |
| for i in range(0, int(num_iter)): |
| main.log.info("Starting tshark capture") |
| |
| #* TCP [ACK, SYN] is used as t0_a, the |
| # very first "exchange" between ONOS and |
| # the switch for end-to-end measurement |
| #* OFP [Stats Reply] is used for t0_b |
| # the very last OFP message between ONOS |
| # and the switch for ONOS measurement |
| main.ONOS1.tshark_grep(tshark_tcp_string, |
| tshark_tcp_output) |
| main.ONOS1.tshark_grep(tshark_of_string, |
| tshark_of_output) |
| |
| #Wait and ensure tshark is started and |
| #capturing |
| time.sleep(10) |
| |
| main.log.info("Assigning s1 to controller") |
| |
| main.Mininet1.assign_sw_controller(sw="1", |
| ip1=ONOS1_ip, port1=default_sw_port) |
| |
| #Wait and ensure switch is assigned |
| #before stopping tshark |
| time.sleep(30) |
| |
| main.log.info("Stopping all Tshark processes") |
| main.ONOS1.stop_tshark() |
| |
| #tshark output is saved in ONOS. Use subprocess |
| #to copy over files to TestON for parsing |
| main.log.info("Copying over tshark files") |
| |
| #TCP CAPTURE **** |
| #Copy the tshark output from ONOS machine to |
| #TestON machine in tshark_tcp_output directory>file |
| os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| tshark_tcp_output+" /tmp/") |
| tcp_file = open(tshark_tcp_output, 'r') |
| temp_text = tcp_file.readline() |
| temp_text = temp_text.split(" ") |
| |
| main.log.info("Object read in from TCP capture: "+ |
| str(temp_text)) |
| if len(temp_text) > 1: |
| t0_tcp = float(temp_text[1])*1000.0 |
| else: |
| main.log.error("Tshark output file for TCP"+ |
| " returned unexpected results") |
| t0_tcp = 0 |
| assertion = main.FALSE |
| |
| tcp_file.close() |
| #**************** |
| |
| #OF CAPTURE **** |
| os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| tshark_of_output+" /tmp/") |
| of_file = open(tshark_of_output, 'r') |
| |
| line_ofp = "" |
| #Read until last line of file |
| while True: |
| temp_text = of_file.readline() |
| if temp_text !='': |
| line_ofp = temp_text |
| else: |
| break |
| obj = line_ofp.split(" ") |
| |
| main.log.info("Object read in from OFP capture: "+ |
| str(line_ofp)) |
| |
| if len(line_ofp) > 1: |
| t0_ofp = float(obj[1])*1000.0 |
| else: |
| main.log.error("Tshark output file for OFP"+ |
| " returned unexpected results") |
| t0_ofp = 0 |
| assertion = main.FALSE |
| |
| of_file.close() |
| #**************** |
| |
| json_str_1 = main.ONOS1cli.topology_events_metrics() |
| json_str_2 = main.ONOS2cli.topology_events_metrics() |
| json_str_3 = main.ONOS3cli.topology_events_metrics() |
| |
| json_obj_1 = json.loads(json_str_1) |
| json_obj_2 = json.loads(json_str_2) |
| json_obj_3 = json.loads(json_str_3) |
| |
| #Obtain graph timestamp. This timestsamp captures |
| #the epoch time at which the topology graph was updated. |
| graph_timestamp_1 = \ |
| json_obj_1[graphTimestamp]['value'] |
| graph_timestamp_2 = \ |
| json_obj_2[graphTimestamp]['value'] |
| graph_timestamp_3 = \ |
| json_obj_3[graphTimestamp]['value'] |
| |
| #Obtain device timestamp. This timestamp captures |
| #the epoch time at which the device event happened |
| device_timestamp_1 = \ |
| json_obj_1[deviceTimestamp]['value'] |
| device_timestamp_2 = \ |
| json_obj_2[deviceTimestamp]['value'] |
| device_timestamp_3 = \ |
| json_obj_3[deviceTimestamp]['value'] |
| |
| #t0 to device processing latency |
| delta_device_1 = int(device_timestamp_1) - int(t0_tcp) |
| delta_device_2 = int(device_timestamp_2) - int(t0_tcp) |
| delta_device_3 = int(device_timestamp_3) - int(t0_tcp) |
| |
| #Get average of delta from all instances |
| avg_delta_device = \ |
| (int(delta_device_1)+\ |
| int(delta_device_2)+\ |
| int(delta_device_3)) / 3 |
| |
| #Ensure avg delta meets the threshold before appending |
| if avg_delta_device > 0.0 and avg_delta_device < 10000: |
| latency_t0_to_device_list.append(avg_delta_device) |
| else: |
| main.log.info("Results for t0-to-device ignored"+\ |
| "due to excess in threshold") |
| |
| #t0 to graph processing latency (end-to-end) |
| delta_graph_1 = int(graph_timestamp_1) - int(t0_tcp) |
| delta_graph_2 = int(graph_timestamp_2) - int(t0_tcp) |
| delta_graph_3 = int(graph_timestamp_3) - int(t0_tcp) |
| |
| #Get average of delta from all instances |
| avg_delta_graph = \ |
| (int(delta_graph_1)+\ |
| int(delta_graph_2)+\ |
| int(delta_graph_3)) / 3 |
| |
| #Ensure avg delta meets the threshold before appending |
| if avg_delta_graph > 0.0 and avg_delta_graph < 10000: |
| latency_end_to_end_list.append(avg_delta_graph) |
| else: |
| main.log.info("Results for end-to-end ignored"+\ |
| "due to excess in threshold") |
| |
| #ofp to graph processing latency (ONOS processing) |
| delta_ofp_graph_1 = int(graph_timestamp_1) - int(t0_ofp) |
| delta_ofp_graph_2 = int(graph_timestamp_2) - int(t0_ofp) |
| delta_ofp_graph_3 = int(graph_timestamp_3) - int(t0_ofp) |
| |
| avg_delta_ofp_graph = \ |
| (int(delta_ofp_graph_1)+\ |
| int(delta_ofp_graph_2)+\ |
| int(delta_ofp_graph_3)) / 3 |
| |
| if avg_delta_ofp_graph > 0.0 and avg_delta_ofp_graph < 10000: |
| latency_ofp_to_graph_list.append(avg_delta_ofp_graph) |
| else: |
| main.log.info("Results for ofp-to-graph "+\ |
| "ignored due to excess in threshold") |
| |
| #ofp to device processing latency (ONOS processing) |
| delta_ofp_device_1 = float(device_timestamp_1) - float(t0_ofp) |
| delta_ofp_device_2 = float(device_timestamp_2) - float(t0_ofp) |
| delta_ofp_device_3 = float(device_timestamp_3) - float(t0_ofp) |
| |
| avg_delta_ofp_device = \ |
| (float(delta_ofp_device_1)+\ |
| float(delta_ofp_device_2)+\ |
| float(delta_ofp_device_3)) / 3.0 |
| |
| #NOTE: ofp - delta measurements are occasionally negative |
| # due to system time misalignment. |
| #TODO: Implement ptp across all clusters |
| #Just add the calculation to list for now |
| latency_ofp_to_device_list.append(avg_delta_ofp_device) |
| |
| #TODO: |
| #Fetch logs upon threshold excess |
| |
| |
| main.log.info("ONOS1 delta end-to-end: "+ |
| str(delta_graph_1) + " ms") |
| main.log.info("ONOS2 delta end-to-end: "+ |
| str(delta_graph_2) + " ms") |
| main.log.info("ONOS3 delta end-to-end: "+ |
| str(delta_graph_3) + " ms") |
| |
| main.log.info("ONOS1 delta OFP - graph: "+ |
| str(delta_ofp_graph_1) + " ms") |
| main.log.info("ONOS2 delta OFP - graph: "+ |
| str(delta_ofp_graph_2) + " ms") |
| main.log.info("ONOS3 delta OFP - graph: "+ |
| str(delta_ofp_graph_3) + " ms") |
| |
| main.log.info("ONOS1 delta device - t0: "+ |
| str(delta_device_1) + " ms") |
| main.log.info("ONOS2 delta device - t0: "+ |
| str(delta_device_2) + " ms") |
| main.log.info("ONOS3 delta device - t0: "+ |
| str(delta_device_3) + " ms") |
| |
| main.log.info("ONOS1 delta OFP - device: "+ |
| str(delta_ofp_device_1) + " ms") |
| main.log.info("ONOS2 delta OFP - device: "+ |
| str(delta_ofp_device_2) + " ms") |
| main.log.info("ONOS3 delta OFP - device: "+ |
| str(delta_ofp_device_3) + " ms") |
| |
| main.step("Remove switch from controller") |
| main.Mininet1.delete_sw_controller("s1") |
| |
| time.sleep(5) |
| |
| #END of for loop iteration |
| |
| #If there is at least 1 element in each list, |
| #pass the test case |
| if len(latency_end_to_end_list) > 0 and\ |
| len(latency_ofp_to_graph_list) > 0 and\ |
| len(latency_ofp_to_device_list) > 0 and\ |
| len(latency_t0_to_device_list) > 0: |
| assertion = main.TRUE |
| elif len(latency_end_to_end_list) == 0: |
| #The appending of 0 here is to prevent |
| #the min,max,sum functions from failing |
| #below |
| latency_end_to_end_list.append(0) |
| assertion = main.FALSE |
| elif len(latency_ofp_to_graph_list) == 0: |
| latency_ofp_to_graph_list.append(0) |
| assertion = main.FALSE |
| elif len(latency_ofp_to_device_list) == 0: |
| latency_ofp_to_device_list.append(0) |
| assertion = main.FALSE |
| elif len(latency_t0_to_device_list) == 0: |
| latency_t0_to_device_list.append(0) |
| assertion = main.FALSE |
| |
| #Calculate min, max, avg of latency lists |
| latency_end_to_end_max = \ |
| int(max(latency_end_to_end_list)) |
| latency_end_to_end_min = \ |
| int(min(latency_end_to_end_list)) |
| latency_end_to_end_avg = \ |
| (int(sum(latency_end_to_end_list)) / \ |
| len(latency_end_to_end_list)) |
| |
| latency_ofp_to_graph_max = \ |
| int(max(latency_ofp_to_graph_list)) |
| latency_ofp_to_graph_min = \ |
| int(min(latency_ofp_to_graph_list)) |
| latency_ofp_to_graph_avg = \ |
| (int(sum(latency_ofp_to_graph_list)) / \ |
| len(latency_ofp_to_graph_list)) |
| |
| latency_ofp_to_device_max = \ |
| int(max(latency_ofp_to_device_list)) |
| latency_ofp_to_device_min = \ |
| int(min(latency_ofp_to_device_list)) |
| latency_ofp_to_device_avg = \ |
| (int(sum(latency_ofp_to_device_list)) / \ |
| len(latency_ofp_to_device_list)) |
| |
| latency_t0_to_device_max = \ |
| float(max(latency_t0_to_device_list)) |
| latency_t0_to_device_min = \ |
| float(min(latency_t0_to_device_list)) |
| latency_t0_to_device_avg = \ |
| (float(sum(latency_t0_to_device_list)) / \ |
| len(latency_ofp_to_device_list)) |
| |
| main.log.report("Switch add - End-to-end latency: \n"+\ |
| "Min: "+str(latency_end_to_end_min)+"\n"+\ |
| "Max: "+str(latency_end_to_end_max)+"\n"+\ |
| "Avg: "+str(latency_end_to_end_avg)) |
| main.log.report("Switch add - OFP-to-Graph latency: \n"+\ |
| "Min: "+str(latency_ofp_to_graph_min)+"\n"+\ |
| "Max: "+str(latency_ofp_to_graph_max)+"\n"+\ |
| "Avg: "+str(latency_ofp_to_graph_avg)) |
| main.log.report("Switch add - OFP-to-Device latency: \n"+\ |
| "Min: "+str(latency_ofp_to_device_min)+"\n"+\ |
| "Max: "+str(latency_ofp_to_device_max)+"\n"+\ |
| "Avg: "+str(latency_ofp_to_device_avg)) |
| main.log.report("Switch add - t0-to-Device latency: \n"+\ |
| "Min: "+str(latency_t0_to_device_min)+"\n"+\ |
| "Max: "+str(latency_t0_to_device_max)+"\n"+\ |
| "Avg: "+str(latency_t0_to_device_avg)) |
| |
| utilities.assert_equals(expect=main.TRUE, actual=assertion, |
| onpass="Switch latency test successful", |
| onfail="Switch latency test failed") |
| |
| def CASE3(self, main): |
| ''' |
| Bring port up / down and measure latency. |
| Port enable / disable is simulated by ifconfig up / down |
| |
| In ONOS-next, we must ensure that the port we are |
| manipulating is connected to another switch with a valid |
| connection. Otherwise, graph view will not be updated. |
| ''' |
| import time |
| import subprocess |
| import os |
| import requests |
| import json |
| |
| ONOS1_ip = main.params['CTRL']['ip1'] |
| ONOS2_ip = main.params['CTRL']['ip2'] |
| ONOS3_ip = main.params['CTRL']['ip3'] |
| ONOS_user = main.params['CTRL']['user'] |
| |
| default_sw_port = main.params['CTRL']['port1'] |
| |
| #Number of iterations of case |
| num_iter = main.params['TEST']['numIter'] |
| |
| #Timestamp 'keys' for json metrics output. |
| #These are subject to change, hence moved into params |
| deviceTimestamp = main.params['JSON']['deviceTimestamp'] |
| graphTimestamp = main.params['JSON']['graphTimestamp'] |
| |
| #NOTE: Some hardcoded variables you may need to configure |
| # besides the params |
| |
| tshark_port_status = "OFP 130 Port Status" |
| |
| tshark_port_up = "/tmp/tshark_port_up.txt" |
| tshark_port_down = "/tmp/tshark_port_down.txt" |
| interface_config = "s1-eth1" |
| |
| main.log.report("Port enable / disable latency") |
| |
| main.step("Assign switches s1 and s2 to controller 1") |
| main.Mininet1.assign_sw_controller(sw="1",ip1=ONOS1_ip, |
| port1=default_sw_port) |
| main.Mininet1.assign_sw_controller(sw="2",ip1=ONOS1_ip, |
| port1=default_sw_port) |
| |
| main.step("Verify switch is assigned correctly") |
| result_s1 = main.Mininet1.get_sw_controller(sw="s1") |
| result_s2 = main.Mininet1.get_sw_controller(sw="s2") |
| if result_s1 == main.FALSE or result_s2 == main.FALSE: |
| main.log.info("Switch s1 was not assigned correctly") |
| assertion = main.FALSE |
| else: |
| main.log.info("Switch s1 was assigned correctly") |
| |
| port_up_device_to_ofp_list = [] |
| port_up_graph_to_ofp_list = [] |
| port_down_device_to_ofp_list = [] |
| port_down_graph_to_ofp_list = [] |
| |
| for i in range(0, int(num_iter)): |
| main.step("Starting wireshark capture for port status down") |
| main.ONOS1.tshark_grep(tshark_port_status, |
| tshark_port_down) |
| |
| time.sleep(10) |
| |
| #Disable interface that is connected to switch 2 |
| main.step("Disable port: "+interface_config) |
| main.Mininet2.handle.sendline("sudo ifconfig "+ |
| interface_config+" down") |
| main.Mininet2.handle.expect("\$") |
| time.sleep(20) |
| |
| main.ONOS1.tshark_stop() |
| time.sleep(5) |
| |
| #Copy tshark output file from ONOS to TestON instance |
| #/tmp directory |
| os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| tshark_port_down+" /tmp/") |
| |
| f_port_down = open(tshark_port_down, 'r') |
| #Get first line of port down event from tshark |
| f_line = f_port_down.readline() |
| obj_down = f_line.split(" ") |
| if len(f_line) > 0: |
| timestamp_begin_pt_down = int(float(obj_down[1]))*1000 |
| main.log.info("Port down begin timestamp: "+ |
| str(timestamp_begin_pt_down)) |
| else: |
| main.log.info("Tshark output file returned unexpected"+ |
| " results: "+str(obj_down)) |
| timestamp_begin_pt_down = 0 |
| |
| f_port_down.close() |
| |
| main.step("Obtain t1 by REST call") |
| json_str_1 = main.ONOS1cli.topology_events_metrics() |
| json_str_2 = main.ONOS2cli.topology_events_metrics() |
| json_str_3 = main.ONOS3cli.topology_events_metrics() |
| |
| json_obj_1 = json.loads(json_str_1) |
| json_obj_2 = json.loads(json_str_2) |
| json_obj_3 = json.loads(json_str_3) |
| |
| time.sleep(5) |
| |
| #Obtain graph timestamp. This timestsamp captures |
| #the epoch time at which the topology graph was updated. |
| graph_timestamp_1 = \ |
| json_obj_1[graphTimestamp]['value'] |
| graph_timestamp_2 = \ |
| json_obj_2[graphTimestamp]['value'] |
| graph_timestamp_3 = \ |
| json_obj_3[graphTimestamp]['value'] |
| |
| #TODO: Test purposes, remove later |
| main.log.info("json_timestamp graph: "+str(graph_timestamp_1)) |
| main.log.info("json_timestamp graph: "+str(graph_timestamp_2)) |
| main.log.info("json_timestamp graph: "+str(graph_timestamp_3)) |
| |
| #Obtain device timestamp. This timestamp captures |
| #the epoch time at which the device event happened |
| device_timestamp_1 = \ |
| json_obj_1[deviceTimestamp]['value'] |
| device_timestamp_2 = \ |
| json_obj_2[deviceTimestamp]['value'] |
| device_timestamp_3 = \ |
| json_obj_3[deviceTimestamp]['value'] |
| |
| #TODO: Test purposes, remove later |
| main.log.info("json_timestamp device: "+str(device_timestamp_1)) |
| main.log.info("json_timestamp device: "+str(device_timestamp_2)) |
| main.log.info("json_timestamp device: "+str(device_timestamp_3)) |
| |
| #Get delta between graph event and OFP |
| pt_down_graph_to_ofp_1 = int(graph_timestamp_1) -\ |
| int(timestamp_begin_pt_down) |
| pt_down_graph_to_ofp_2 = int(graph_timestamp_2) -\ |
| int(timestamp_begin_pt_down) |
| pt_down_graph_to_ofp_3 = int(graph_timestamp_3) -\ |
| int(timestamp_begin_pt_down) |
| |
| #Get delta between device event and OFP |
| pt_down_device_to_ofp_1 = int(device_timestamp_1) -\ |
| int(timestamp_begin_pt_down) |
| pt_down_device_to_ofp_2 = int(device_timestamp_2) -\ |
| int(timestamp_begin_pt_down) |
| pt_down_device_to_ofp_3 = int(device_timestamp_3) -\ |
| int(timestamp_begin_pt_down) |
| |
| #Caluclate average across clusters |
| pt_down_graph_to_ofp_avg =\ |
| (int(pt_down_graph_to_ofp_1) + |
| int(pt_down_graph_to_ofp_2) + |
| int(pt_down_graph_to_ofp_3)) / 3 |
| pt_down_device_to_ofp_avg = \ |
| (int(pt_down_device_to_ofp_1) + |
| int(pt_down_device_to_ofp_2) + |
| int(pt_down_device_to_ofp_3)) / 3 |
| |
| if pt_down_graph_to_ofp_avg > 0 and \ |
| pt_down_graph_to_ofp_avg < 1000: |
| port_down_graph_to_ofp_list.append( |
| pt_down_graph_to_ofp_avg) |
| else: |
| main.log.info("Average port down graph-to-ofp result" + |
| " exceeded the threshold: "+ |
| str(pt_down_graph_to_ofp_avg)) |
| |
| if pt_down_device_to_ofp_avg > 0 and \ |
| pt_down_device_to_ofp_avg < 1000: |
| port_down_device_to_ofp_list.append( |
| pt_down_device_to_ofp_avg) |
| else: |
| main.log.info("Average port down device-to-ofp result" + |
| " exceeded the threshold: "+ |
| str(pt_down_device_to_ofp_avg)) |
| |
| #TODO: Remove these logs. For test purposes only |
| main.log.info("Delta1 down graph: "+str(pt_down_graph_to_ofp_1)) |
| main.log.info("Delta2 down graph: "+str(pt_down_graph_to_ofp_2)) |
| main.log.info("Delta3 down graph: "+str(pt_down_graph_to_ofp_3)) |
| |
| main.log.info("Delta1 down device: "+ |
| str(pt_down_device_to_ofp_1)) |
| main.log.info("Delta2 down device: "+ |
| str(pt_down_device_to_ofp_2)) |
| main.log.info("Delta3 down device: "+ |
| str(pt_down_device_to_ofp_3)) |
| |
| #Port up events |
| main.step("Enable port and obtain timestamp") |
| main.step("Starting wireshark capture for port status up") |
| main.ONOS1.tshark_grep("OFP 130 Port Status", tshark_port_up) |
| time.sleep(10) |
| |
| main.Mininet2.handle.sendline("sudo ifconfig "+ |
| interface_config+" up") |
| main.Mininet2.handle.expect("\$") |
| time.sleep(20) |
| |
| os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| tshark_port_up+" /tmp/") |
| |
| f_port_up = open(tshark_port_up, 'r') |
| f_line = f_port_up.readline() |
| obj_up = f_line.split(" ") |
| if len(f_line) > 0: |
| timestamp_begin_pt_up = int(float(obj_up[1]))*1000 |
| main.log.info("Port up begin timestamp: "+ |
| str(timestamp_begin_pt_up)) |
| else: |
| main.log.info("Tshark output file returned unexpected"+ |
| " results.") |
| timestamp_begin_pt_up = 0 |
| |
| f_port_up.close() |
| |
| main.step("Obtain t1 by REST call") |
| #TODO: Implement json object parsing here |
| json_str_1 = main.ONOS1cli.topology_events_metrics() |
| json_str_2 = main.ONOS2cli.topology_events_metrics() |
| json_str_3 = main.ONOS3cli.topology_events_metrics() |
| |
| json_obj_1 = json.loads(json_str_1) |
| json_obj_2 = json.loads(json_str_2) |
| json_obj_3 = json.loads(json_str_3) |
| |
| #Obtain graph timestamp. This timestsamp captures |
| #the epoch time at which the topology graph was updated. |
| graph_timestamp_1 = \ |
| json_obj_1[graphTimestamp]['value'] |
| graph_timestamp_2 = \ |
| json_obj_2[graphTimestamp]['value'] |
| graph_timestamp_3 = \ |
| json_obj_3[graphTimestamp]['value'] |
| |
| #Obtain device timestamp. This timestamp captures |
| #the epoch time at which the device event happened |
| device_timestamp_1 = \ |
| json_obj_1[deviceTimestamp]['value'] |
| device_timestamp_2 = \ |
| json_obj_2[deviceTimestamp]['value'] |
| device_timestamp_3 = \ |
| json_obj_3[deviceTimestamp]['value'] |
| |
| #Get delta between graph event and OFP |
| pt_up_graph_to_ofp_1 = int(graph_timestamp_1) -\ |
| int(timestamp_begin_pt_up) |
| pt_up_graph_to_ofp_2 = int(graph_timestamp_2) -\ |
| int(timestamp_begin_pt_up) |
| pt_up_graph_to_ofp_3 = int(graph_timestamp_3) -\ |
| int(timestamp_begin_pt_up) |
| |
| #Get delta between device event and OFP |
| pt_up_device_to_ofp_1 = int(device_timestamp_1) -\ |
| int(timestamp_begin_pt_up) |
| pt_up_device_to_ofp_2 = int(device_timestamp_2) -\ |
| int(timestamp_begin_pt_up) |
| pt_up_device_to_ofp_3 = int(device_timestamp_3) -\ |
| int(timestamp_begin_pt_up) |
| |
| pt_up_graph_to_ofp_avg = \ |
| (float(pt_up_graph_to_ofp_1) + |
| float(pt_up_graph_to_ofp_2) + |
| float(pt_up_graph_to_ofp_3)) / 3 |
| |
| pt_up_device_to_ofp_avg = \ |
| (float(pt_up_device_to_ofp_1) + |
| float(pt_up_device_to_ofp_2) + |
| float(pt_up_device_to_ofp_3)) / 3 |
| |
| if pt_up_graph_to_ofp_avg > 0 and \ |
| pt_up_graph_to_ofp_avg < 1000: |
| port_up_graph_to_ofp_list.append( |
| pt_up_graph_to_ofp_avg) |
| else: |
| main.log.info("Average port up graph-to-ofp result"+ |
| " exceeded the threshold: "+ |
| str(pt_up_graph_to_ofp_avg)) |
| |
| if pt_up_device_to_ofp_avg > 0 and \ |
| pt_up_device_to_ofp_avg < 1000: |
| port_up_device_to_ofp_list.append( |
| pt_up_device_to_ofp_avg) |
| else: |
| main.log.info("Average port up graph-to-ofp result"+ |
| " exceeded the threshold: "+ |
| str(pt_up_device_to_ofp_avg)) |
| |
| #TODO: Remove these logs. For test purposes only |
| main.log.info("Delta1 up graph: "+str(pt_up_graph_to_ofp_1)) |
| main.log.info("Delta2 up graph: "+str(pt_up_graph_to_ofp_2)) |
| main.log.info("Delta3 up graph: "+str(pt_up_graph_to_ofp_3)) |
| |
| main.log.info("Delta1 down device: "+ |
| str(pt_up_device_to_ofp_1)) |
| main.log.info("Delta2 down device: "+ |
| str(pt_up_device_to_ofp_2)) |
| main.log.info("Delta3 down device: "+ |
| str(pt_up_device_to_ofp_3)) |
| |
| #END ITERATION FOR LOOP |
| |
| port_down_graph_to_ofp_min = min(port_down_graph_to_ofp_list) |
| port_down_graph_to_ofp_max = max(port_down_graph_to_ofp_list) |
| port_down_graph_to_ofp_avg = \ |
| (sum(port_down_graph_to_ofp_list) / |
| len(port_down_graph_to_ofp_list)) |
| |
| main.log.report("Port up graph-to-ofp Min: ") |
| main.log.report("Port up graph-to-ofp Max: ") |
| main.log.report("Port up graph-to-ofp Avg: ") |
| |
| def CASE4(self, main): |
| ''' |
| Link down event using loss rate 100% |
| ''' |
| import time |
| import subprocess |
| import os |
| import requests |
| import json |
| |
| ONOS1_ip = main.params['CTRL']['ip1'] |
| ONOS2_ip = main.params['CTRL']['ip2'] |
| ONOS3_ip = main.params['CTRL']['ip3'] |
| ONOS_user = main.params['CTRL']['user'] |
| |
| default_sw_port = main.params['CTRL']['port1'] |
| |
| #Number of iterations of case |
| num_iter = main.params['TEST']['numIter'] |
| |
| #Timestamp 'keys' for json metrics output. |
| #These are subject to change, hence moved into params |
| deviceTimestamp = main.params['JSON']['deviceTimestamp'] |
| linkTimestamp = main.params['JSON']['linkTimestamp'] |
| |
| assertion = main.TRUE |
| #Link event timestamp to system time list |
| link_down_link_to_system_list = [] |
| link_up_link_to_system_list = [] |
| #Graph event timestamp to system time list |
| link_down_graph_to_system_list = [] |
| link_up_graph_to_system_list = [] |
| |
| main.log.report("Add / remove link latency between "+ |
| "two switches") |
| |
| main.step("Assign all switches") |
| main.Mininet1.assign_sw_controller(sw="1", |
| ip1=ONOS1_ip, port1=default_sw_port) |
| main.Mininet1.assign_sw_controller(sw="2", |
| ip1=ONOS1_ip, port1=default_sw_port) |
| |
| main.step("Verifying switch assignment") |
| result_s1 = main.Mininet1.get_sw_controller(sw="s1") |
| result_s2 = main.Mininet1.get_sw_controller(sw="s2") |
| |
| if result_s1 == main.TRUE and result_s2 == main.TRUE: |
| main.log.report("Switches s1, s2 assigned successfully") |
| else: |
| main.log.error("Error assigning switches s1 and s2") |
| assertion = main.FALSE |
| |
| #Allow time for events to finish before taking measurements |
| time.sleep(10) |
| |
| #Start iteration of link event test |
| for i in range(0, int(num_iter)): |
| main.step("Getting initial system time as t0") |
| |
| timestamp_link_down_t0 = time.time() * 1000 |
| #Link down is simulated by 100% loss rate using traffic |
| #control command |
| main.Mininet1.handle.sendline( |
| "sh tc qdisc add dev s1-eth1 root netem loss 100%") |
| |
| #TODO: Iterate through topology count to detect |
| # link down discovery. Take timestamp and |
| # gather list for num_iter |
| |
| |
| |
| |