andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 1 | #TopoPerfNext |
| 2 | # |
| 3 | #Topology Performance test for ONOS-next |
| 4 | # |
| 5 | #andrew@onlab.us |
| 6 | |
| 7 | import time |
| 8 | import sys |
| 9 | import os |
| 10 | import re |
| 11 | |
| 12 | class TopoPerfNext: |
| 13 | def __init__(self): |
| 14 | self.default = '' |
| 15 | |
| 16 | def CASE1(self, main): |
| 17 | ''' |
| 18 | ONOS startup sequence |
| 19 | ''' |
andrewonlab | e9fb672 | 2014-10-24 12:20:35 -0400 | [diff] [blame] | 20 | import time |
| 21 | |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 22 | cell_name = main.params['ENV']['cellName'] |
| 23 | |
| 24 | git_pull = main.params['GIT']['autoPull'] |
| 25 | checkout_branch = main.params['GIT']['checkout'] |
| 26 | |
| 27 | ONOS1_ip = main.params['CTRL']['ip1'] |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 28 | ONOS2_ip = main.params['CTRL']['ip2'] |
| 29 | ONOS3_ip = main.params['CTRL']['ip3'] |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 30 | MN1_ip = main.params['MN']['ip1'] |
| 31 | BENCH_ip = main.params['BENCH']['ip'] |
| 32 | |
| 33 | main.case("Setting up test environment") |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 34 | main.log.report("Setting up test environment") |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 35 | |
| 36 | main.step("Creating cell file") |
| 37 | cell_file_result = main.ONOSbench.create_cell_file( |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 38 | BENCH_ip, cell_name, MN1_ip, "onos-core", |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 39 | ONOS1_ip, ONOS2_ip, ONOS3_ip) |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 40 | |
| 41 | main.step("Applying cell file to environment") |
| 42 | cell_apply_result = main.ONOSbench.set_cell(cell_name) |
| 43 | verify_cell_result = main.ONOSbench.verify_cell() |
| 44 | |
| 45 | main.step("Git checkout and pull "+checkout_branch) |
| 46 | if git_pull == 'on': |
| 47 | checkout_result = \ |
| 48 | main.ONOSbench.git_checkout(checkout_branch) |
| 49 | pull_result = main.ONOSbench.git_pull() |
| 50 | else: |
| 51 | checkout_result = main.TRUE |
| 52 | pull_result = main.TRUE |
| 53 | main.log.info("Skipped git checkout and pull") |
| 54 | |
| 55 | main.step("Using mvn clean & install") |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 56 | #mvn_result = main.ONOSbench.clean_install() |
| 57 | mvn_result = main.TRUE |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 58 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 59 | main.step("Set cell for ONOS cli env") |
| 60 | main.ONOS1cli.set_cell(cell_name) |
| 61 | main.ONOS2cli.set_cell(cell_name) |
| 62 | main.ONOS3cli.set_cell(cell_name) |
| 63 | |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 64 | main.step("Creating ONOS package") |
| 65 | package_result = main.ONOSbench.onos_package() |
| 66 | |
| 67 | main.step("Installing ONOS package") |
andrewonlab | e9fb672 | 2014-10-24 12:20:35 -0400 | [diff] [blame] | 68 | install1_result = main.ONOSbench.onos_install(node=ONOS1_ip) |
| 69 | install2_result = main.ONOSbench.onos_install(node=ONOS2_ip) |
| 70 | install3_result = main.ONOSbench.onos_install(node=ONOS3_ip) |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 71 | |
andrewonlab | e9fb672 | 2014-10-24 12:20:35 -0400 | [diff] [blame] | 72 | time.sleep(10) |
| 73 | |
andrewonlab | 867212a | 2014-10-22 20:13:38 -0400 | [diff] [blame] | 74 | main.step("Start onos cli") |
andrewonlab | e9fb672 | 2014-10-24 12:20:35 -0400 | [diff] [blame] | 75 | cli1 = main.ONOS1cli.start_onos_cli(ONOS1_ip) |
| 76 | cli2 = main.ONOS2cli.start_onos_cli(ONOS2_ip) |
| 77 | cli3 = main.ONOS3cli.start_onos_cli(ONOS3_ip) |
| 78 | |
andrewonlab | 867212a | 2014-10-22 20:13:38 -0400 | [diff] [blame] | 79 | main.step("Enable metrics feature") |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 80 | main.ONOS1cli.feature_install("onos-app-metrics") |
| 81 | main.ONOS2cli.feature_install("onos-app-metrics") |
| 82 | main.ONOS3cli.feature_install("onos-app-metrics") |
andrewonlab | 867212a | 2014-10-22 20:13:38 -0400 | [diff] [blame] | 83 | |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 84 | utilities.assert_equals(expect=main.TRUE, |
| 85 | actual= cell_file_result and cell_apply_result and\ |
| 86 | verify_cell_result and checkout_result and\ |
| 87 | pull_result and mvn_result and\ |
andrewonlab | e9fb672 | 2014-10-24 12:20:35 -0400 | [diff] [blame] | 88 | install1_result and install2_result and\ |
| 89 | install3_result, |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 90 | onpass="Test Environment setup successful", |
| 91 | onfail="Failed to setup test environment") |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 92 | |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 93 | def CASE2(self, main): |
| 94 | ''' |
| 95 | Assign s1 to ONOS1 and measure latency |
andrewonlab | 3a7c3c7 | 2014-10-24 17:21:03 -0400 | [diff] [blame] | 96 | |
| 97 | There are 4 levels of latency measurements to this test: |
| 98 | 1) End-to-end measurement: Complete end-to-end measurement |
| 99 | from TCP (SYN/ACK) handshake to Graph change |
| 100 | 2) OFP-to-graph measurement: 'ONOS processing' snippet of |
| 101 | measurement from OFP Vendor message to Graph change |
| 102 | 3) OFP-to-device measurement: 'ONOS processing without |
| 103 | graph change' snippet of measurement from OFP vendor |
| 104 | message to Device change timestamp |
| 105 | 4) T0-to-device measurement: Measurement that includes |
| 106 | the switch handshake to devices timestamp without |
| 107 | the graph view change. (TCP handshake -> Device |
| 108 | change) |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 109 | ''' |
| 110 | import time |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 111 | import subprocess |
| 112 | import json |
| 113 | import requests |
| 114 | import os |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 115 | |
| 116 | ONOS1_ip = main.params['CTRL']['ip1'] |
| 117 | ONOS2_ip = main.params['CTRL']['ip2'] |
| 118 | ONOS3_ip = main.params['CTRL']['ip3'] |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 119 | ONOS_user = main.params['CTRL']['user'] |
| 120 | |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 121 | default_sw_port = main.params['CTRL']['port1'] |
| 122 | |
| 123 | #Number of iterations of case |
| 124 | num_iter = main.params['TEST']['numIter'] |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 125 | #Number of first 'x' iterations to ignore: |
| 126 | iter_ignore = int(main.params['TEST']['iterIgnore']) |
| 127 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 128 | #Timestamp 'keys' for json metrics output. |
| 129 | #These are subject to change, hence moved into params |
| 130 | deviceTimestamp = main.params['JSON']['deviceTimestamp'] |
| 131 | graphTimestamp = main.params['JSON']['graphTimestamp'] |
| 132 | |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 133 | debug_mode = main.params['TEST']['debugMode'] |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 134 | onos_log = main.params['TEST']['onosLogFile'] |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 135 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 136 | #Threshold for the test |
| 137 | threshold_str = main.params['TEST']['singleSwThreshold'] |
| 138 | threshold_obj = threshold_str.split(",") |
| 139 | threshold_min = int(threshold_obj[0]) |
| 140 | threshold_max = int(threshold_obj[1]) |
| 141 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 142 | #List of switch add latency collected from |
| 143 | #all iterations |
| 144 | latency_end_to_end_list = [] |
| 145 | latency_ofp_to_graph_list = [] |
| 146 | latency_ofp_to_device_list = [] |
| 147 | latency_t0_to_device_list = [] |
| 148 | |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 149 | #Directory/file to store tshark results |
| 150 | tshark_of_output = "/tmp/tshark_of_topo.txt" |
| 151 | tshark_tcp_output = "/tmp/tshark_tcp_topo.txt" |
| 152 | |
| 153 | #String to grep in tshark output |
| 154 | tshark_tcp_string = "TCP 74 "+default_sw_port |
| 155 | tshark_of_string = "OFP 86 Vendor" |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 156 | |
| 157 | #Initialize assertion to TRUE |
| 158 | assertion = main.TRUE |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 159 | |
| 160 | local_time = time.strftime('%x %X') |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 161 | local_time = local_time.replace("/","") |
| 162 | local_time = local_time.replace(" ","_") |
| 163 | local_time = local_time.replace(":","") |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 164 | if debug_mode == 'on': |
| 165 | main.ONOS1.tshark_pcap("eth0", |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 166 | "/tmp/single_sw_lat_pcap_"+local_time) |
| 167 | |
| 168 | main.log.info("TEST") |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 169 | |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 170 | main.log.report("Latency of adding one switch to controller") |
| 171 | main.log.report("First "+str(iter_ignore)+" iterations ignored"+ |
| 172 | " for jvm warmup time") |
| 173 | main.log.report("Total iterations of test: "+str(num_iter)) |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 174 | |
| 175 | for i in range(0, int(num_iter)): |
| 176 | main.log.info("Starting tshark capture") |
| 177 | |
| 178 | #* TCP [ACK, SYN] is used as t0_a, the |
| 179 | # very first "exchange" between ONOS and |
| 180 | # the switch for end-to-end measurement |
| 181 | #* OFP [Stats Reply] is used for t0_b |
| 182 | # the very last OFP message between ONOS |
| 183 | # and the switch for ONOS measurement |
| 184 | main.ONOS1.tshark_grep(tshark_tcp_string, |
| 185 | tshark_tcp_output) |
| 186 | main.ONOS1.tshark_grep(tshark_of_string, |
| 187 | tshark_of_output) |
| 188 | |
| 189 | #Wait and ensure tshark is started and |
| 190 | #capturing |
| 191 | time.sleep(10) |
| 192 | |
| 193 | main.log.info("Assigning s1 to controller") |
| 194 | |
| 195 | main.Mininet1.assign_sw_controller(sw="1", |
| 196 | ip1=ONOS1_ip, port1=default_sw_port) |
| 197 | |
| 198 | #Wait and ensure switch is assigned |
| 199 | #before stopping tshark |
andrewonlab | 867212a | 2014-10-22 20:13:38 -0400 | [diff] [blame] | 200 | time.sleep(30) |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 201 | |
| 202 | main.log.info("Stopping all Tshark processes") |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 203 | main.ONOS1.stop_tshark() |
| 204 | |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 205 | #tshark output is saved in ONOS. Use subprocess |
| 206 | #to copy over files to TestON for parsing |
| 207 | main.log.info("Copying over tshark files") |
| 208 | |
| 209 | #TCP CAPTURE **** |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 210 | #Copy the tshark output from ONOS machine to |
| 211 | #TestON machine in tshark_tcp_output directory>file |
| 212 | os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| 213 | tshark_tcp_output+" /tmp/") |
| 214 | tcp_file = open(tshark_tcp_output, 'r') |
| 215 | temp_text = tcp_file.readline() |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 216 | temp_text = temp_text.split(" ") |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 217 | |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 218 | main.log.info("Object read in from TCP capture: "+ |
| 219 | str(temp_text)) |
andrewonlab | 867212a | 2014-10-22 20:13:38 -0400 | [diff] [blame] | 220 | if len(temp_text) > 1: |
andrewonlab | 3a7c3c7 | 2014-10-24 17:21:03 -0400 | [diff] [blame] | 221 | t0_tcp = float(temp_text[1])*1000.0 |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 222 | else: |
| 223 | main.log.error("Tshark output file for TCP"+ |
| 224 | " returned unexpected results") |
| 225 | t0_tcp = 0 |
| 226 | assertion = main.FALSE |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 227 | |
| 228 | tcp_file.close() |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 229 | #**************** |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 230 | |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 231 | #OF CAPTURE **** |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 232 | os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| 233 | tshark_of_output+" /tmp/") |
| 234 | of_file = open(tshark_of_output, 'r') |
| 235 | |
| 236 | line_ofp = "" |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 237 | #Read until last line of file |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 238 | while True: |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 239 | temp_text = of_file.readline() |
| 240 | if temp_text !='': |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 241 | line_ofp = temp_text |
| 242 | else: |
| 243 | break |
| 244 | obj = line_ofp.split(" ") |
| 245 | |
| 246 | main.log.info("Object read in from OFP capture: "+ |
| 247 | str(line_ofp)) |
| 248 | |
andrewonlab | 867212a | 2014-10-22 20:13:38 -0400 | [diff] [blame] | 249 | if len(line_ofp) > 1: |
andrewonlab | 3a7c3c7 | 2014-10-24 17:21:03 -0400 | [diff] [blame] | 250 | t0_ofp = float(obj[1])*1000.0 |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 251 | else: |
| 252 | main.log.error("Tshark output file for OFP"+ |
| 253 | " returned unexpected results") |
| 254 | t0_ofp = 0 |
| 255 | assertion = main.FALSE |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 256 | |
| 257 | of_file.close() |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 258 | #**************** |
| 259 | |
andrewonlab | 867212a | 2014-10-22 20:13:38 -0400 | [diff] [blame] | 260 | json_str_1 = main.ONOS1cli.topology_events_metrics() |
| 261 | json_str_2 = main.ONOS2cli.topology_events_metrics() |
| 262 | json_str_3 = main.ONOS3cli.topology_events_metrics() |
andrewonlab | 867212a | 2014-10-22 20:13:38 -0400 | [diff] [blame] | 263 | |
| 264 | json_obj_1 = json.loads(json_str_1) |
| 265 | json_obj_2 = json.loads(json_str_2) |
| 266 | json_obj_3 = json.loads(json_str_3) |
| 267 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 268 | #Obtain graph timestamp. This timestsamp captures |
| 269 | #the epoch time at which the topology graph was updated. |
| 270 | graph_timestamp_1 = \ |
| 271 | json_obj_1[graphTimestamp]['value'] |
| 272 | graph_timestamp_2 = \ |
| 273 | json_obj_2[graphTimestamp]['value'] |
| 274 | graph_timestamp_3 = \ |
| 275 | json_obj_3[graphTimestamp]['value'] |
andrewonlab | 867212a | 2014-10-22 20:13:38 -0400 | [diff] [blame] | 276 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 277 | #Obtain device timestamp. This timestamp captures |
| 278 | #the epoch time at which the device event happened |
| 279 | device_timestamp_1 = \ |
| 280 | json_obj_1[deviceTimestamp]['value'] |
| 281 | device_timestamp_2 = \ |
| 282 | json_obj_2[deviceTimestamp]['value'] |
| 283 | device_timestamp_3 = \ |
| 284 | json_obj_3[deviceTimestamp]['value'] |
andrewonlab | e9fb672 | 2014-10-24 12:20:35 -0400 | [diff] [blame] | 285 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 286 | #t0 to device processing latency |
| 287 | delta_device_1 = int(device_timestamp_1) - int(t0_tcp) |
| 288 | delta_device_2 = int(device_timestamp_2) - int(t0_tcp) |
| 289 | delta_device_3 = int(device_timestamp_3) - int(t0_tcp) |
| 290 | |
| 291 | #Get average of delta from all instances |
| 292 | avg_delta_device = \ |
| 293 | (int(delta_device_1)+\ |
| 294 | int(delta_device_2)+\ |
| 295 | int(delta_device_3)) / 3 |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 296 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 297 | #Ensure avg delta meets the threshold before appending |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 298 | if avg_delta_device > 0.0 and avg_delta_device < 10000\ |
| 299 | and int(num_iter) > iter_ignore: |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 300 | latency_t0_to_device_list.append(avg_delta_device) |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 301 | else: |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 302 | main.log.info("Results for t0-to-device ignored"+\ |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 303 | "due to excess in threshold / warmup iteration.") |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 304 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 305 | #t0 to graph processing latency (end-to-end) |
| 306 | delta_graph_1 = int(graph_timestamp_1) - int(t0_tcp) |
| 307 | delta_graph_2 = int(graph_timestamp_2) - int(t0_tcp) |
| 308 | delta_graph_3 = int(graph_timestamp_3) - int(t0_tcp) |
| 309 | |
| 310 | #Get average of delta from all instances |
| 311 | avg_delta_graph = \ |
| 312 | (int(delta_graph_1)+\ |
| 313 | int(delta_graph_2)+\ |
| 314 | int(delta_graph_3)) / 3 |
| 315 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 316 | #Ensure avg delta meets the threshold before appending |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 317 | if avg_delta_graph > 0.0 and avg_delta_graph < 10000\ |
| 318 | and int(num_iter) > iter_ignore: |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 319 | latency_end_to_end_list.append(avg_delta_graph) |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 320 | else: |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 321 | main.log.info("Results for end-to-end ignored"+\ |
| 322 | "due to excess in threshold") |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 323 | |
| 324 | #ofp to graph processing latency (ONOS processing) |
| 325 | delta_ofp_graph_1 = int(graph_timestamp_1) - int(t0_ofp) |
| 326 | delta_ofp_graph_2 = int(graph_timestamp_2) - int(t0_ofp) |
| 327 | delta_ofp_graph_3 = int(graph_timestamp_3) - int(t0_ofp) |
| 328 | |
| 329 | avg_delta_ofp_graph = \ |
| 330 | (int(delta_ofp_graph_1)+\ |
| 331 | int(delta_ofp_graph_2)+\ |
| 332 | int(delta_ofp_graph_3)) / 3 |
| 333 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 334 | if avg_delta_ofp_graph > threshold_min \ |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 335 | and avg_delta_ofp_graph < threshold_max\ |
| 336 | and int(num_iter) > iter_ignore: |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 337 | latency_ofp_to_graph_list.append(avg_delta_ofp_graph) |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 338 | else: |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 339 | main.log.info("Results for ofp-to-graph "+\ |
| 340 | "ignored due to excess in threshold") |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 341 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 342 | #ofp to device processing latency (ONOS processing) |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 343 | delta_ofp_device_1 = float(device_timestamp_1) - float(t0_ofp) |
| 344 | delta_ofp_device_2 = float(device_timestamp_2) - float(t0_ofp) |
| 345 | delta_ofp_device_3 = float(device_timestamp_3) - float(t0_ofp) |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 346 | |
| 347 | avg_delta_ofp_device = \ |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 348 | (float(delta_ofp_device_1)+\ |
| 349 | float(delta_ofp_device_2)+\ |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 350 | float(delta_ofp_device_3)) / 3 |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 351 | |
andrewonlab | f47993a | 2014-10-24 17:56:01 -0400 | [diff] [blame] | 352 | #NOTE: ofp - delta measurements are occasionally negative |
| 353 | # due to system time misalignment. |
andrewonlab | f47993a | 2014-10-24 17:56:01 -0400 | [diff] [blame] | 354 | latency_ofp_to_device_list.append(avg_delta_ofp_device) |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 355 | |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 356 | #TODO: |
| 357 | #Fetch logs upon threshold excess |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 358 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 359 | main.log.info("ONOS1 delta end-to-end: "+ |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 360 | str(delta_graph_1) + " ms") |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 361 | main.log.info("ONOS2 delta end-to-end: "+ |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 362 | str(delta_graph_2) + " ms") |
| 363 | main.log.info("ONOS3 delta end-to-end: "+ |
| 364 | str(delta_graph_3) + " ms") |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 365 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 366 | main.log.info("ONOS1 delta OFP - graph: "+ |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 367 | str(delta_ofp_graph_1) + " ms") |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 368 | main.log.info("ONOS2 delta OFP - graph: "+ |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 369 | str(delta_ofp_graph_2) + " ms") |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 370 | main.log.info("ONOS3 delta OFP - graph: "+ |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 371 | str(delta_ofp_graph_3) + " ms") |
andrewonlab | e674534 | 2014-10-17 14:29:13 -0400 | [diff] [blame] | 372 | |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 373 | main.log.info("ONOS1 delta device - t0: "+ |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 374 | str(delta_device_1) + " ms") |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 375 | main.log.info("ONOS2 delta device - t0: "+ |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 376 | str(delta_device_2) + " ms") |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 377 | main.log.info("ONOS3 delta device - t0: "+ |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 378 | str(delta_device_3) + " ms") |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 379 | |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 380 | #main.log.info("ONOS1 delta OFP - device: "+ |
| 381 | # str(delta_ofp_device_1) + " ms") |
| 382 | #main.log.info("ONOS2 delta OFP - device: "+ |
| 383 | # str(delta_ofp_device_2) + " ms") |
| 384 | #main.log.info("ONOS3 delta OFP - device: "+ |
| 385 | # str(delta_ofp_device_3) + " ms") |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 386 | |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 387 | main.step("Remove switch from controller") |
| 388 | main.Mininet1.delete_sw_controller("s1") |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 389 | |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 390 | time.sleep(5) |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 391 | |
andrewonlab | 09d973e | 2014-10-24 18:56:58 -0400 | [diff] [blame] | 392 | #END of for loop iteration |
andrewonlab | f47993a | 2014-10-24 17:56:01 -0400 | [diff] [blame] | 393 | |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 394 | #If there is at least 1 element in each list, |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 395 | #pass the test case |
| 396 | if len(latency_end_to_end_list) > 0 and\ |
| 397 | len(latency_ofp_to_graph_list) > 0 and\ |
| 398 | len(latency_ofp_to_device_list) > 0 and\ |
| 399 | len(latency_t0_to_device_list) > 0: |
| 400 | assertion = main.TRUE |
andrewonlab | f47993a | 2014-10-24 17:56:01 -0400 | [diff] [blame] | 401 | elif len(latency_end_to_end_list) == 0: |
| 402 | #The appending of 0 here is to prevent |
| 403 | #the min,max,sum functions from failing |
| 404 | #below |
| 405 | latency_end_to_end_list.append(0) |
| 406 | assertion = main.FALSE |
| 407 | elif len(latency_ofp_to_graph_list) == 0: |
| 408 | latency_ofp_to_graph_list.append(0) |
| 409 | assertion = main.FALSE |
| 410 | elif len(latency_ofp_to_device_list) == 0: |
| 411 | latency_ofp_to_device_list.append(0) |
| 412 | assertion = main.FALSE |
| 413 | elif len(latency_t0_to_device_list) == 0: |
| 414 | latency_t0_to_device_list.append(0) |
| 415 | assertion = main.FALSE |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 416 | |
| 417 | #Calculate min, max, avg of latency lists |
| 418 | latency_end_to_end_max = \ |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 419 | int(max(latency_end_to_end_list)) |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 420 | latency_end_to_end_min = \ |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 421 | int(min(latency_end_to_end_list)) |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 422 | latency_end_to_end_avg = \ |
andrewonlab | c90667c | 2014-10-24 16:48:28 -0400 | [diff] [blame] | 423 | (int(sum(latency_end_to_end_list)) / \ |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 424 | len(latency_end_to_end_list)) |
| 425 | |
| 426 | latency_ofp_to_graph_max = \ |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 427 | int(max(latency_ofp_to_graph_list)) |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 428 | latency_ofp_to_graph_min = \ |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 429 | int(min(latency_ofp_to_graph_list)) |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 430 | latency_ofp_to_graph_avg = \ |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 431 | (int(sum(latency_ofp_to_graph_list)) / \ |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 432 | len(latency_ofp_to_graph_list)) |
| 433 | |
| 434 | latency_ofp_to_device_max = \ |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 435 | int(max(latency_ofp_to_device_list)) |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 436 | latency_ofp_to_device_min = \ |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 437 | int(min(latency_ofp_to_device_list)) |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 438 | latency_ofp_to_device_avg = \ |
andrewonlab | ee4efeb | 2014-10-24 16:44:51 -0400 | [diff] [blame] | 439 | (int(sum(latency_ofp_to_device_list)) / \ |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 440 | len(latency_ofp_to_device_list)) |
| 441 | |
| 442 | latency_t0_to_device_max = \ |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 443 | int(max(latency_t0_to_device_list)) |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 444 | latency_t0_to_device_min = \ |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 445 | int(min(latency_t0_to_device_list)) |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 446 | latency_t0_to_device_avg = \ |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 447 | (int(sum(latency_t0_to_device_list)) / \ |
andrewonlab | c15c958 | 2014-10-24 16:35:52 -0400 | [diff] [blame] | 448 | len(latency_ofp_to_device_list)) |
| 449 | |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 450 | main.log.report("Switch add - End-to-end latency: "+\ |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 451 | "Min: "+str(latency_end_to_end_min)+" ms "+\ |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 452 | "Max: "+str(latency_end_to_end_max)+" ms "+\ |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 453 | "Avg: "+str(latency_end_to_end_avg)+" ms") |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 454 | main.log.report("Switch add - OFP-to-Graph latency: "+\ |
| 455 | "Min: "+str(latency_ofp_to_graph_min)+" ms "+\ |
| 456 | "Max: "+str(latency_ofp_to_graph_max)+" ms "+\ |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 457 | "Avg: "+str(latency_ofp_to_graph_avg)+" ms") |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 458 | main.log.report("Switch add - t0-to-Device latency: "+\ |
| 459 | "Min: "+str(latency_t0_to_device_min)+" ms"+\ |
| 460 | "Max: "+str(latency_t0_to_device_max)+" ms"+\ |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 461 | "Avg: "+str(latency_t0_to_device_avg)+" ms") |
andrewonlab | 226024e | 2014-10-24 16:01:32 -0400 | [diff] [blame] | 462 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 463 | if debug_mode == 'on': |
| 464 | main.ONOS1.cp_logs_to_dir("/opt/onos/log/karaf.log", |
| 465 | "/tmp/", copy_file_name="sw_lat_karaf") |
| 466 | |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 467 | utilities.assert_equals(expect=main.TRUE, actual=assertion, |
| 468 | onpass="Switch latency test successful", |
| 469 | onfail="Switch latency test failed") |
andrewonlab | ba44bcf | 2014-10-16 16:54:41 -0400 | [diff] [blame] | 470 | |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 471 | def CASE3(self, main): |
| 472 | ''' |
| 473 | Bring port up / down and measure latency. |
| 474 | Port enable / disable is simulated by ifconfig up / down |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 475 | |
| 476 | In ONOS-next, we must ensure that the port we are |
| 477 | manipulating is connected to another switch with a valid |
| 478 | connection. Otherwise, graph view will not be updated. |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 479 | ''' |
| 480 | import time |
| 481 | import subprocess |
| 482 | import os |
| 483 | import requests |
| 484 | import json |
andrewonlab | 2a6c934 | 2014-10-16 13:40:15 -0400 | [diff] [blame] | 485 | |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 486 | ONOS1_ip = main.params['CTRL']['ip1'] |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 487 | ONOS2_ip = main.params['CTRL']['ip2'] |
| 488 | ONOS3_ip = main.params['CTRL']['ip3'] |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 489 | ONOS_user = main.params['CTRL']['user'] |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 490 | |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 491 | default_sw_port = main.params['CTRL']['port1'] |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 492 | |
| 493 | assertion = main.TRUE |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 494 | #Number of iterations of case |
| 495 | num_iter = main.params['TEST']['numIter'] |
| 496 | |
| 497 | #Timestamp 'keys' for json metrics output. |
| 498 | #These are subject to change, hence moved into params |
| 499 | deviceTimestamp = main.params['JSON']['deviceTimestamp'] |
| 500 | graphTimestamp = main.params['JSON']['graphTimestamp'] |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 501 | |
| 502 | debug_mode = main.params['TEST']['debugMode'] |
| 503 | |
| 504 | local_time = time.strftime('%x %X') |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 505 | local_time = local_time.replace("/","") |
| 506 | local_time = local_time.replace(" ","_") |
| 507 | local_time = local_time.replace(":","") |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 508 | if debug_mode == 'on': |
| 509 | main.ONOS1.tshark_pcap("eth0", |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 510 | "/tmp/port_lat_pcap_"+local_time) |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 511 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 512 | #Threshold for this test case |
| 513 | up_threshold_str = main.params['TEST']['portUpThreshold'] |
| 514 | down_threshold_str = main.params['TEST']['portDownThreshold'] |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 515 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 516 | up_threshold_obj = up_threshold_str.split(",") |
| 517 | down_threshold_obj = down_threshold_str.split(",") |
| 518 | |
| 519 | up_threshold_min = int(up_threshold_obj[0]) |
| 520 | up_threshold_max = int(up_threshold_obj[1]) |
| 521 | |
| 522 | down_threshold_min = int(down_threshold_obj[0]) |
| 523 | down_threshold_max = int(down_threshold_obj[1]) |
| 524 | |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 525 | #NOTE: Some hardcoded variables you may need to configure |
| 526 | # besides the params |
| 527 | |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 528 | tshark_port_status = "OFP 130 Port Status" |
| 529 | |
| 530 | tshark_port_up = "/tmp/tshark_port_up.txt" |
| 531 | tshark_port_down = "/tmp/tshark_port_down.txt" |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 532 | interface_config = "s1-eth1" |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 533 | |
| 534 | main.log.report("Port enable / disable latency") |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 535 | main.log.report("Simulated by ifconfig up / down") |
| 536 | main.log.report("Total iterations of test: "+str(num_iter)) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 537 | |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 538 | main.step("Assign switches s1 and s2 to controller 1") |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 539 | main.Mininet1.assign_sw_controller(sw="1",ip1=ONOS1_ip, |
| 540 | port1=default_sw_port) |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 541 | main.Mininet1.assign_sw_controller(sw="2",ip1=ONOS1_ip, |
| 542 | port1=default_sw_port) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 543 | |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 544 | #Give enough time for metrics to propagate the |
| 545 | #assign controller event. Otherwise, these events may |
| 546 | #carry over to our measurements |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 547 | time.sleep(15) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 548 | |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 549 | port_up_device_to_ofp_list = [] |
| 550 | port_up_graph_to_ofp_list = [] |
| 551 | port_down_device_to_ofp_list = [] |
| 552 | port_down_graph_to_ofp_list = [] |
| 553 | |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 554 | for i in range(0, int(num_iter)): |
| 555 | main.step("Starting wireshark capture for port status down") |
| 556 | main.ONOS1.tshark_grep(tshark_port_status, |
| 557 | tshark_port_down) |
| 558 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 559 | time.sleep(5) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 560 | |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 561 | #Disable interface that is connected to switch 2 |
| 562 | main.step("Disable port: "+interface_config) |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 563 | main.Mininet1.handle.sendline("sh ifconfig "+ |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 564 | interface_config+" down") |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 565 | main.Mininet1.handle.expect("mininet>") |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 566 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 567 | time.sleep(3) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 568 | main.ONOS1.tshark_stop() |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 569 | |
| 570 | main.step("Obtain t1 by metrics call") |
| 571 | json_str_up_1 = main.ONOS1cli.topology_events_metrics() |
| 572 | json_str_up_2 = main.ONOS2cli.topology_events_metrics() |
| 573 | json_str_up_3 = main.ONOS3cli.topology_events_metrics() |
| 574 | |
| 575 | json_obj_1 = json.loads(json_str_up_1) |
| 576 | json_obj_2 = json.loads(json_str_up_2) |
| 577 | json_obj_3 = json.loads(json_str_up_3) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 578 | |
| 579 | #Copy tshark output file from ONOS to TestON instance |
| 580 | #/tmp directory |
| 581 | os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| 582 | tshark_port_down+" /tmp/") |
| 583 | |
| 584 | f_port_down = open(tshark_port_down, 'r') |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 585 | #Get first line of port down event from tshark |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 586 | f_line = f_port_down.readline() |
| 587 | obj_down = f_line.split(" ") |
| 588 | if len(f_line) > 0: |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 589 | timestamp_begin_pt_down = int(float(obj_down[1])*1000) |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 590 | main.log.info("Port down begin timestamp: "+ |
| 591 | str(timestamp_begin_pt_down)) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 592 | else: |
| 593 | main.log.info("Tshark output file returned unexpected"+ |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 594 | " results: "+str(obj_down)) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 595 | timestamp_begin_pt_down = 0 |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 596 | |
| 597 | f_port_down.close() |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 598 | |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 599 | main.log.info("TEST tshark obj: "+str(obj_down)) |
| 600 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 601 | time.sleep(3) |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 602 | |
| 603 | #Obtain graph timestamp. This timestsamp captures |
| 604 | #the epoch time at which the topology graph was updated. |
| 605 | graph_timestamp_1 = \ |
| 606 | json_obj_1[graphTimestamp]['value'] |
| 607 | graph_timestamp_2 = \ |
| 608 | json_obj_2[graphTimestamp]['value'] |
| 609 | graph_timestamp_3 = \ |
| 610 | json_obj_3[graphTimestamp]['value'] |
| 611 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 612 | main.log.info("TEST graph timestamp ONOS1: "+ |
| 613 | str(graph_timestamp_1)) |
| 614 | |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 615 | #Obtain device timestamp. This timestamp captures |
| 616 | #the epoch time at which the device event happened |
| 617 | device_timestamp_1 = \ |
| 618 | json_obj_1[deviceTimestamp]['value'] |
| 619 | device_timestamp_2 = \ |
| 620 | json_obj_2[deviceTimestamp]['value'] |
| 621 | device_timestamp_3 = \ |
| 622 | json_obj_3[deviceTimestamp]['value'] |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 623 | |
| 624 | #Get delta between graph event and OFP |
| 625 | pt_down_graph_to_ofp_1 = int(graph_timestamp_1) -\ |
| 626 | int(timestamp_begin_pt_down) |
| 627 | pt_down_graph_to_ofp_2 = int(graph_timestamp_2) -\ |
| 628 | int(timestamp_begin_pt_down) |
| 629 | pt_down_graph_to_ofp_3 = int(graph_timestamp_3) -\ |
| 630 | int(timestamp_begin_pt_down) |
| 631 | |
| 632 | #Get delta between device event and OFP |
| 633 | pt_down_device_to_ofp_1 = int(device_timestamp_1) -\ |
| 634 | int(timestamp_begin_pt_down) |
| 635 | pt_down_device_to_ofp_2 = int(device_timestamp_2) -\ |
| 636 | int(timestamp_begin_pt_down) |
| 637 | pt_down_device_to_ofp_3 = int(device_timestamp_3) -\ |
| 638 | int(timestamp_begin_pt_down) |
| 639 | |
| 640 | #Caluclate average across clusters |
| 641 | pt_down_graph_to_ofp_avg =\ |
| 642 | (int(pt_down_graph_to_ofp_1) + |
| 643 | int(pt_down_graph_to_ofp_2) + |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 644 | int(pt_down_graph_to_ofp_3)) / 3 |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 645 | pt_down_device_to_ofp_avg = \ |
| 646 | (int(pt_down_device_to_ofp_1) + |
| 647 | int(pt_down_device_to_ofp_2) + |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 648 | int(pt_down_device_to_ofp_3)) / 3 |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 649 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 650 | if pt_down_graph_to_ofp_avg > down_threshold_min and \ |
| 651 | pt_down_graph_to_ofp_avg < down_threshold_max: |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 652 | port_down_graph_to_ofp_list.append( |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 653 | pt_down_graph_to_ofp_avg) |
| 654 | main.log.info("Port down: graph to ofp avg: "+ |
| 655 | str(pt_down_graph_to_ofp_avg) + " ms") |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 656 | else: |
| 657 | main.log.info("Average port down graph-to-ofp result" + |
| 658 | " exceeded the threshold: "+ |
| 659 | str(pt_down_graph_to_ofp_avg)) |
| 660 | |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 661 | if pt_down_device_to_ofp_avg > 0 and \ |
| 662 | pt_down_device_to_ofp_avg < 1000: |
| 663 | port_down_device_to_ofp_list.append( |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 664 | pt_down_device_to_ofp_avg) |
| 665 | main.log.info("Port down: device to ofp avg: "+ |
| 666 | str(pt_down_device_to_ofp_avg) + " ms") |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 667 | else: |
| 668 | main.log.info("Average port down device-to-ofp result" + |
| 669 | " exceeded the threshold: "+ |
| 670 | str(pt_down_device_to_ofp_avg)) |
| 671 | |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 672 | #Port up events |
| 673 | main.step("Enable port and obtain timestamp") |
| 674 | main.step("Starting wireshark capture for port status up") |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 675 | main.ONOS1.tshark_grep(tshark_port_status, tshark_port_up) |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 676 | time.sleep(5) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 677 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 678 | main.Mininet1.handle.sendline("sh ifconfig "+ |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 679 | interface_config+" up") |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 680 | main.Mininet1.handle.expect("mininet>") |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 681 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 682 | #Allow time for tshark to capture event |
| 683 | time.sleep(3) |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 684 | main.ONOS1.tshark_stop() |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 685 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 686 | #Obtain metrics shortly afterwards |
| 687 | #This timestsamp captures |
| 688 | #the epoch time at which the topology graph was updated. |
| 689 | main.step("Obtain t1 by REST call") |
| 690 | json_str_up_1 = main.ONOS1cli.topology_events_metrics() |
| 691 | json_str_up_2 = main.ONOS2cli.topology_events_metrics() |
| 692 | json_str_up_3 = main.ONOS3cli.topology_events_metrics() |
| 693 | |
| 694 | json_obj_1 = json.loads(json_str_up_1) |
| 695 | json_obj_2 = json.loads(json_str_up_2) |
| 696 | json_obj_3 = json.loads(json_str_up_3) |
| 697 | |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 698 | os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| 699 | tshark_port_up+" /tmp/") |
| 700 | |
| 701 | f_port_up = open(tshark_port_up, 'r') |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 702 | f_line = f_port_up.readline() |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 703 | obj_up = f_line.split(" ") |
| 704 | if len(f_line) > 0: |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 705 | timestamp_begin_pt_up = int(float(obj_up[1])*1000) |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 706 | main.log.info("Port up begin timestamp: "+ |
| 707 | str(timestamp_begin_pt_up)) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 708 | else: |
| 709 | main.log.info("Tshark output file returned unexpected"+ |
| 710 | " results.") |
| 711 | timestamp_begin_pt_up = 0 |
| 712 | |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 713 | f_port_up.close() |
| 714 | |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 715 | graph_timestamp_1 = \ |
| 716 | json_obj_1[graphTimestamp]['value'] |
| 717 | graph_timestamp_2 = \ |
| 718 | json_obj_2[graphTimestamp]['value'] |
| 719 | graph_timestamp_3 = \ |
| 720 | json_obj_3[graphTimestamp]['value'] |
| 721 | |
| 722 | #Obtain device timestamp. This timestamp captures |
| 723 | #the epoch time at which the device event happened |
| 724 | device_timestamp_1 = \ |
| 725 | json_obj_1[deviceTimestamp]['value'] |
| 726 | device_timestamp_2 = \ |
| 727 | json_obj_2[deviceTimestamp]['value'] |
| 728 | device_timestamp_3 = \ |
| 729 | json_obj_3[deviceTimestamp]['value'] |
| 730 | |
| 731 | #Get delta between graph event and OFP |
| 732 | pt_up_graph_to_ofp_1 = int(graph_timestamp_1) -\ |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 733 | int(timestamp_begin_pt_up) |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 734 | pt_up_graph_to_ofp_2 = int(graph_timestamp_2) -\ |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 735 | int(timestamp_begin_pt_up) |
andrewonlab | 393531a | 2014-10-27 18:36:26 -0400 | [diff] [blame] | 736 | pt_up_graph_to_ofp_3 = int(graph_timestamp_3) -\ |
| 737 | int(timestamp_begin_pt_up) |
| 738 | |
| 739 | #Get delta between device event and OFP |
| 740 | pt_up_device_to_ofp_1 = int(device_timestamp_1) -\ |
| 741 | int(timestamp_begin_pt_up) |
| 742 | pt_up_device_to_ofp_2 = int(device_timestamp_2) -\ |
| 743 | int(timestamp_begin_pt_up) |
| 744 | pt_up_device_to_ofp_3 = int(device_timestamp_3) -\ |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 745 | int(timestamp_begin_pt_up) |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 746 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 747 | main.log.info("ONOS1 delta G2O: "+str(pt_up_graph_to_ofp_1)) |
| 748 | main.log.info("ONOS2 delta G2O: "+str(pt_up_graph_to_ofp_2)) |
| 749 | main.log.info("ONOS3 delta G2O: "+str(pt_up_graph_to_ofp_3)) |
| 750 | |
| 751 | main.log.info("ONOS1 delta D2O: "+str(pt_up_device_to_ofp_1)) |
| 752 | main.log.info("ONOS2 delta D2O: "+str(pt_up_device_to_ofp_2)) |
| 753 | main.log.info("ONOS3 delta D2O: "+str(pt_up_device_to_ofp_3)) |
| 754 | |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 755 | pt_up_graph_to_ofp_avg = \ |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 756 | (int(pt_up_graph_to_ofp_1) + |
| 757 | int(pt_up_graph_to_ofp_2) + |
| 758 | int(pt_up_graph_to_ofp_3)) / 3 |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 759 | |
| 760 | pt_up_device_to_ofp_avg = \ |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 761 | (int(pt_up_device_to_ofp_1) + |
| 762 | int(pt_up_device_to_ofp_2) + |
| 763 | int(pt_up_device_to_ofp_3)) / 3 |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 764 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 765 | if pt_up_graph_to_ofp_avg > up_threshold_min and \ |
| 766 | pt_up_graph_to_ofp_avg < up_threshold_max: |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 767 | port_up_graph_to_ofp_list.append( |
| 768 | pt_up_graph_to_ofp_avg) |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 769 | main.log.info("Port down: graph to ofp avg: "+ |
| 770 | str(pt_up_graph_to_ofp_avg) + " ms") |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 771 | else: |
| 772 | main.log.info("Average port up graph-to-ofp result"+ |
| 773 | " exceeded the threshold: "+ |
| 774 | str(pt_up_graph_to_ofp_avg)) |
| 775 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 776 | if pt_up_device_to_ofp_avg > up_threshold_min and \ |
| 777 | pt_up_device_to_ofp_avg < up_threshold_max: |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 778 | port_up_device_to_ofp_list.append( |
| 779 | pt_up_device_to_ofp_avg) |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 780 | main.log.info("Port up: device to ofp avg: "+ |
| 781 | str(pt_up_device_to_ofp_avg) + " ms") |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 782 | else: |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 783 | main.log.info("Average port up device-to-ofp result"+ |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 784 | " exceeded the threshold: "+ |
| 785 | str(pt_up_device_to_ofp_avg)) |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 786 | |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 787 | #END ITERATION FOR LOOP |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 788 | |
| 789 | #Check all list for latency existence and set assertion |
| 790 | if (port_down_graph_to_ofp_list and port_down_device_to_ofp_list\ |
| 791 | and port_up_graph_to_ofp_list and port_up_device_to_ofp_list): |
| 792 | assertion = main.TRUE |
| 793 | |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 794 | #Calculate and report latency measurements |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 795 | port_down_graph_to_ofp_min = min(port_down_graph_to_ofp_list) |
| 796 | port_down_graph_to_ofp_max = max(port_down_graph_to_ofp_list) |
| 797 | port_down_graph_to_ofp_avg = \ |
| 798 | (sum(port_down_graph_to_ofp_list) / |
| 799 | len(port_down_graph_to_ofp_list)) |
| 800 | |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 801 | main.log.report("Port down graph-to-ofp Min: "+ |
| 802 | str(port_down_graph_to_ofp_min)+" ms Max: "+ |
| 803 | str(port_down_graph_to_ofp_max)+" ms Avg: "+ |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 804 | str(port_down_graph_to_ofp_avg)+" ms") |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 805 | |
| 806 | port_down_device_to_ofp_min = min(port_down_device_to_ofp_list) |
| 807 | port_down_device_to_ofp_max = max(port_down_device_to_ofp_list) |
| 808 | port_down_device_to_ofp_avg = \ |
| 809 | (sum(port_down_device_to_ofp_list) /\ |
| 810 | len(port_down_device_to_ofp_list)) |
| 811 | |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 812 | main.log.report("Port down device-to-ofp Min: "+ |
| 813 | str(port_down_device_to_ofp_min)+" ms Max: "+ |
| 814 | str(port_down_device_to_ofp_max)+" ms Avg: "+ |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 815 | str(port_down_device_to_ofp_avg)+" ms") |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 816 | |
| 817 | port_up_graph_to_ofp_min = min(port_up_graph_to_ofp_list) |
| 818 | port_up_graph_to_ofp_max = max(port_up_graph_to_ofp_list) |
| 819 | port_up_graph_to_ofp_avg = \ |
| 820 | (sum(port_up_graph_to_ofp_list) /\ |
| 821 | len(port_up_graph_to_ofp_list)) |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 822 | |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 823 | main.log.report("Port up graph-to-ofp Min: "+ |
| 824 | str(port_up_graph_to_ofp_min)+" ms Max: "+ |
| 825 | str(port_up_graph_to_ofp_max)+" ms Avg: "+ |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 826 | str(port_up_graph_to_ofp_avg)+" ms") |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 827 | |
| 828 | port_up_device_to_ofp_min = min(port_up_device_to_ofp_list) |
| 829 | port_up_device_to_ofp_max = max(port_up_device_to_ofp_list) |
| 830 | port_up_device_to_ofp_avg = \ |
| 831 | (sum(port_up_device_to_ofp_list) /\ |
| 832 | len(port_up_device_to_ofp_list)) |
| 833 | |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 834 | main.log.report("Port up device-to-ofp Min: "+ |
| 835 | str(port_up_device_to_ofp_min)+" ms Max: "+ |
| 836 | str(port_up_device_to_ofp_max)+" ms Avg: "+ |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 837 | str(port_up_device_to_ofp_avg)+" ms") |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 838 | |
| 839 | utilities.assert_equals(expect=main.TRUE, actual=assertion, |
| 840 | onpass="Port discovery latency calculation successful", |
| 841 | onfail="Port discovery test failed") |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 842 | |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 843 | def CASE4(self, main): |
| 844 | ''' |
| 845 | Link down event using loss rate 100% |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 846 | |
| 847 | Important: |
| 848 | Use a simple 2 switch topology with 1 link between |
| 849 | the two switches. Ensure that mac addresses of the |
| 850 | switches are 1 / 2 respectively |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 851 | ''' |
| 852 | import time |
| 853 | import subprocess |
| 854 | import os |
| 855 | import requests |
| 856 | import json |
| 857 | |
| 858 | ONOS1_ip = main.params['CTRL']['ip1'] |
| 859 | ONOS2_ip = main.params['CTRL']['ip2'] |
| 860 | ONOS3_ip = main.params['CTRL']['ip3'] |
| 861 | ONOS_user = main.params['CTRL']['user'] |
| 862 | |
| 863 | default_sw_port = main.params['CTRL']['port1'] |
| 864 | |
| 865 | #Number of iterations of case |
| 866 | num_iter = main.params['TEST']['numIter'] |
| 867 | |
| 868 | #Timestamp 'keys' for json metrics output. |
| 869 | #These are subject to change, hence moved into params |
| 870 | deviceTimestamp = main.params['JSON']['deviceTimestamp'] |
| 871 | linkTimestamp = main.params['JSON']['linkTimestamp'] |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 872 | graphTimestamp = main.params['JSON']['graphTimestamp'] |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 873 | |
| 874 | debug_mode = main.params['TEST']['debugMode'] |
| 875 | |
| 876 | local_time = time.strftime('%x %X') |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 877 | local_time = local_time.replace("/","") |
| 878 | local_time = local_time.replace(" ","_") |
| 879 | local_time = local_time.replace(":","") |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 880 | if debug_mode == 'on': |
| 881 | main.ONOS1.tshark_pcap("eth0", |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 882 | "/tmp/link_lat_pcap_"+local_time) |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 883 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 884 | #Threshold for this test case |
| 885 | up_threshold_str = main.params['TEST']['linkUpThreshold'] |
| 886 | down_threshold_str = main.params['TEST']['linkDownThreshold'] |
| 887 | |
| 888 | up_threshold_obj = up_threshold_str.split(",") |
| 889 | down_threshold_obj = down_threshold_str.split(",") |
| 890 | |
| 891 | up_threshold_min = int(up_threshold_obj[0]) |
| 892 | up_threshold_max = int(up_threshold_obj[1]) |
| 893 | |
| 894 | down_threshold_min = int(down_threshold_obj[0]) |
| 895 | down_threshold_max = int(down_threshold_obj[1]) |
| 896 | |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 897 | assertion = main.TRUE |
| 898 | #Link event timestamp to system time list |
| 899 | link_down_link_to_system_list = [] |
| 900 | link_up_link_to_system_list = [] |
| 901 | #Graph event timestamp to system time list |
| 902 | link_down_graph_to_system_list = [] |
| 903 | link_up_graph_to_system_list = [] |
| 904 | |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 905 | main.log.report("Link up / down discovery latency between "+ |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 906 | "two switches") |
andrewonlab | 4b5c8b9 | 2014-11-10 16:04:33 -0500 | [diff] [blame^] | 907 | main.log.report("Simulated by setting loss-rate 100%") |
| 908 | main.log.report("'tc qdisc add dev <intfs> root netem loss 100%'") |
| 909 | main.log.report("Total iterations of test: "+str(num_iter)) |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 910 | |
| 911 | main.step("Assign all switches") |
| 912 | main.Mininet1.assign_sw_controller(sw="1", |
| 913 | ip1=ONOS1_ip, port1=default_sw_port) |
| 914 | main.Mininet1.assign_sw_controller(sw="2", |
| 915 | ip1=ONOS1_ip, port1=default_sw_port) |
| 916 | |
| 917 | main.step("Verifying switch assignment") |
| 918 | result_s1 = main.Mininet1.get_sw_controller(sw="s1") |
| 919 | result_s2 = main.Mininet1.get_sw_controller(sw="s2") |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 920 | |
| 921 | #Allow time for events to finish before taking measurements |
| 922 | time.sleep(10) |
| 923 | |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 924 | link_down1 = False |
| 925 | link_down2 = False |
| 926 | link_down3 = False |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 927 | #Start iteration of link event test |
| 928 | for i in range(0, int(num_iter)): |
| 929 | main.step("Getting initial system time as t0") |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 930 | |
andrewonlab | 3622beb | 2014-10-28 16:07:56 -0400 | [diff] [blame] | 931 | timestamp_link_down_t0 = time.time() * 1000 |
| 932 | #Link down is simulated by 100% loss rate using traffic |
| 933 | #control command |
| 934 | main.Mininet1.handle.sendline( |
| 935 | "sh tc qdisc add dev s1-eth1 root netem loss 100%") |
| 936 | |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 937 | #TODO: Iterate through 'links' command to verify that |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 938 | # link s1 -> s2 went down (loop timeout 30 seconds) |
| 939 | # on all 3 ONOS instances |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 940 | main.log.info("Checking ONOS for link update") |
| 941 | loop_count = 0 |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 942 | while( not (link_down1 and link_down2 and link_down3)\ |
| 943 | and loop_count < 30 ): |
| 944 | json_str1 = main.ONOS1cli.links() |
| 945 | json_str2 = main.ONOS2cli.links() |
| 946 | json_str3 = main.ONOS3cli.links() |
| 947 | |
| 948 | if not (json_str1 and json_str2 and json_str3): |
| 949 | main.log.error("CLI command returned error ") |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 950 | break |
| 951 | else: |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 952 | json_obj1 = json.loads(json_str1) |
| 953 | json_obj2 = json.loads(json_str2) |
| 954 | json_obj3 = json.loads(json_str3) |
| 955 | for obj1 in json_obj1: |
| 956 | if '01' not in obj1['src']['device']: |
| 957 | link_down1 = True |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 958 | main.log.info("Link down from "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 959 | "s1 -> s2 on ONOS1 detected") |
| 960 | for obj2 in json_obj2: |
| 961 | if '01' not in obj2['src']['device']: |
| 962 | link_down2 = True |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 963 | main.log.info("Link down from "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 964 | "s1 -> s2 on ONOS2 detected") |
| 965 | for obj3 in json_obj3: |
| 966 | if '01' not in obj3['src']['device']: |
| 967 | link_down3 = True |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 968 | main.log.info("Link down from "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 969 | "s1 -> s2 on ONOS3 detected") |
| 970 | |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 971 | loop_count += 1 |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 972 | #If CLI doesn't like the continuous requests |
| 973 | #and exits in this loop, increase the sleep here. |
| 974 | #Consequently, while loop timeout will increase |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 975 | time.sleep(1) |
| 976 | |
| 977 | #Give time for metrics measurement to catch up |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 978 | #NOTE: May need to be configured more accurately |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 979 | time.sleep(10) |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 980 | #If we exited the while loop and link down 1,2,3 are still |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 981 | #false, then ONOS has failed to discover link down event |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 982 | if not (link_down1 and link_down2 and link_down3): |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 983 | main.log.info("Link down discovery failed") |
| 984 | |
| 985 | link_down_lat_graph1 = 0 |
| 986 | link_down_lat_graph2 = 0 |
| 987 | link_down_lat_graph3 = 0 |
| 988 | link_down_lat_device1 = 0 |
| 989 | link_down_lat_device2 = 0 |
| 990 | link_down_lat_device3 = 0 |
| 991 | |
| 992 | assertion = main.FALSE |
| 993 | else: |
| 994 | json_topo_metrics_1 =\ |
| 995 | main.ONOS1cli.topology_events_metrics() |
| 996 | json_topo_metrics_2 =\ |
| 997 | main.ONOS2cli.topology_events_metrics() |
| 998 | json_topo_metrics_3 =\ |
| 999 | main.ONOS3cli.topology_events_metrics() |
| 1000 | json_topo_metrics_1 = json.loads(json_topo_metrics_1) |
| 1001 | json_topo_metrics_2 = json.loads(json_topo_metrics_2) |
| 1002 | json_topo_metrics_3 = json.loads(json_topo_metrics_3) |
| 1003 | |
| 1004 | main.log.info("Obtaining graph and device timestamp") |
| 1005 | graph_timestamp_1 = \ |
| 1006 | json_topo_metrics_1[graphTimestamp]['value'] |
| 1007 | graph_timestamp_2 = \ |
| 1008 | json_topo_metrics_2[graphTimestamp]['value'] |
| 1009 | graph_timestamp_3 = \ |
| 1010 | json_topo_metrics_3[graphTimestamp]['value'] |
| 1011 | |
| 1012 | link_timestamp_1 = \ |
| 1013 | json_topo_metrics_1[linkTimestamp]['value'] |
| 1014 | link_timestamp_2 = \ |
| 1015 | json_topo_metrics_2[linkTimestamp]['value'] |
| 1016 | link_timestamp_3 = \ |
| 1017 | json_topo_metrics_3[linkTimestamp]['value'] |
| 1018 | |
| 1019 | if graph_timestamp_1 and graph_timestamp_2 and\ |
| 1020 | graph_timestamp_3 and link_timestamp_1 and\ |
| 1021 | link_timestamp_2 and link_timestamp_3: |
| 1022 | link_down_lat_graph1 = int(graph_timestamp_1) -\ |
| 1023 | timestamp_link_down_t0 |
| 1024 | link_down_lat_graph2 = int(graph_timestamp_2) -\ |
| 1025 | timestamp_link_down_t0 |
| 1026 | link_down_lat_graph3 = int(graph_timestamp_3) -\ |
| 1027 | timestamp_link_down_t0 |
| 1028 | |
| 1029 | link_down_lat_link1 = int(link_timestamp_1) -\ |
| 1030 | timestamp_link_down_t0 |
| 1031 | link_down_lat_link2 = int(link_timestamp_2) -\ |
| 1032 | timestamp_link_down_t0 |
| 1033 | link_down_lat_link3 = int(link_timestamp_3) -\ |
| 1034 | timestamp_link_down_t0 |
| 1035 | else: |
| 1036 | main.log.error("There was an error calculating"+ |
| 1037 | " the delta for link down event") |
| 1038 | link_down_lat_graph1 = 0 |
| 1039 | link_down_lat_graph2 = 0 |
| 1040 | link_down_lat_graph3 = 0 |
| 1041 | |
| 1042 | link_down_lat_device1 = 0 |
| 1043 | link_down_lat_device2 = 0 |
| 1044 | link_down_lat_device3 = 0 |
| 1045 | |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1046 | main.log.info("Link down latency ONOS1 iteration "+ |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1047 | str(i)+" (end-to-end): "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1048 | str(link_down_lat_graph1)+" ms") |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1049 | main.log.info("Link down latency ONOS2 iteration "+ |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1050 | str(i)+" (end-to-end): "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1051 | str(link_down_lat_graph2)+" ms") |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1052 | main.log.info("Link down latency ONOS3 iteration "+ |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1053 | str(i)+" (end-to-end): "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1054 | str(link_down_lat_graph3)+" ms") |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1055 | |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1056 | main.log.info("Link down latency ONOS1 iteration "+ |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1057 | str(i)+" (link-event-to-system-timestamp): "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1058 | str(link_down_lat_link1)+" ms") |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1059 | main.log.info("Link down latency ONOS2 iteration "+ |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1060 | str(i)+" (link-event-to-system-timestamp): "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1061 | str(link_down_lat_link2)+" ms") |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1062 | main.log.info("Link down latency ONOS3 iteration "+ |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1063 | str(i)+" (link-event-to-system-timestamp): "+ |
| 1064 | str(link_down_lat_link3)) |
| 1065 | |
| 1066 | #Calculate avg of node calculations |
| 1067 | link_down_lat_graph_avg =\ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1068 | (link_down_lat_graph1 + |
| 1069 | link_down_lat_graph2 + |
| 1070 | link_down_lat_graph3) / 3.0 |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1071 | link_down_lat_link_avg =\ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1072 | (link_down_lat_link1 + |
| 1073 | link_down_lat_link2 + |
| 1074 | link_down_lat_link3) / 3.0 |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1075 | |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1076 | #Set threshold and append latency to list |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1077 | if link_down_lat_graph_avg > down_threshold_min and\ |
| 1078 | link_down_lat_graph_avg < down_threshold_max: |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1079 | link_down_graph_to_system_list.append( |
| 1080 | link_down_lat_graph_avg) |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 1081 | else: |
| 1082 | main.log.info("Link down latency exceeded threshold") |
| 1083 | main.log.info("Results for iteration "+str(i)+ |
| 1084 | "have been omitted") |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1085 | if link_down_lat_link_avg > down_threshold_min and\ |
| 1086 | link_down_lat_link_avg < down_threshold_max: |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1087 | link_down_link_to_system_list.append( |
| 1088 | link_down_lat_link_avg) |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 1089 | else: |
| 1090 | main.log.info("Link down latency exceeded threshold") |
| 1091 | main.log.info("Results for iteration "+str(i)+ |
| 1092 | "have been omitted") |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1093 | |
| 1094 | #NOTE: To remove loss rate and measure latency: |
| 1095 | # 'sh tc qdisc del dev s1-eth1 root' |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1096 | timestamp_link_up_t0 = time.time() * 1000 |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1097 | main.Mininet1.handle.sendline("sh tc qdisc del dev "+ |
| 1098 | "s1-eth1 root") |
| 1099 | main.Mininet1.handle.expect("mininet>") |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1100 | |
| 1101 | main.log.info("Checking ONOS for link update") |
| 1102 | |
| 1103 | link_down1 = True |
| 1104 | link_down2 = True |
| 1105 | link_down3 = True |
| 1106 | loop_count = 0 |
| 1107 | while( (link_down1 and link_down2 and link_down3)\ |
| 1108 | and loop_count < 30 ): |
| 1109 | json_str1 = main.ONOS1cli.links() |
| 1110 | json_str2 = main.ONOS2cli.links() |
| 1111 | json_str3 = main.ONOS3cli.links() |
| 1112 | if not (json_str1 and json_str2 and json_str3): |
| 1113 | main.log.error("CLI command returned error ") |
| 1114 | break |
| 1115 | else: |
| 1116 | json_obj1 = json.loads(json_str1) |
| 1117 | json_obj2 = json.loads(json_str2) |
| 1118 | json_obj3 = json.loads(json_str3) |
| 1119 | |
| 1120 | for obj1 in json_obj1: |
| 1121 | if '01' in obj1['src']['device']: |
| 1122 | link_down1 = False |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1123 | main.log.info("Link up from "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1124 | "s1 -> s2 on ONOS1 detected") |
| 1125 | for obj2 in json_obj2: |
| 1126 | if '01' in obj2['src']['device']: |
| 1127 | link_down2 = False |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1128 | main.log.info("Link up from "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1129 | "s1 -> s2 on ONOS2 detected") |
| 1130 | for obj3 in json_obj3: |
| 1131 | if '01' in obj3['src']['device']: |
| 1132 | link_down3 = False |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1133 | main.log.info("Link up from "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1134 | "s1 -> s2 on ONOS3 detected") |
| 1135 | |
| 1136 | loop_count += 1 |
| 1137 | time.sleep(1) |
| 1138 | |
| 1139 | if (link_down1 and link_down2 and link_down3): |
| 1140 | main.log.info("Link up discovery failed") |
| 1141 | |
| 1142 | link_up_lat_graph1 = 0 |
| 1143 | link_up_lat_graph2 = 0 |
| 1144 | link_up_lat_graph3 = 0 |
| 1145 | link_up_lat_device1 = 0 |
| 1146 | link_up_lat_device2 = 0 |
| 1147 | link_up_lat_device3 = 0 |
| 1148 | |
| 1149 | assertion = main.FALSE |
| 1150 | else: |
| 1151 | json_topo_metrics_1 =\ |
| 1152 | main.ONOS1cli.topology_events_metrics() |
| 1153 | json_topo_metrics_2 =\ |
| 1154 | main.ONOS2cli.topology_events_metrics() |
| 1155 | json_topo_metrics_3 =\ |
| 1156 | main.ONOS3cli.topology_events_metrics() |
| 1157 | json_topo_metrics_1 = json.loads(json_topo_metrics_1) |
| 1158 | json_topo_metrics_2 = json.loads(json_topo_metrics_2) |
| 1159 | json_topo_metrics_3 = json.loads(json_topo_metrics_3) |
| 1160 | |
| 1161 | main.log.info("Obtaining graph and device timestamp") |
| 1162 | graph_timestamp_1 = \ |
| 1163 | json_topo_metrics_1[graphTimestamp]['value'] |
| 1164 | graph_timestamp_2 = \ |
| 1165 | json_topo_metrics_2[graphTimestamp]['value'] |
| 1166 | graph_timestamp_3 = \ |
| 1167 | json_topo_metrics_3[graphTimestamp]['value'] |
| 1168 | |
| 1169 | link_timestamp_1 = \ |
| 1170 | json_topo_metrics_1[linkTimestamp]['value'] |
| 1171 | link_timestamp_2 = \ |
| 1172 | json_topo_metrics_2[linkTimestamp]['value'] |
| 1173 | link_timestamp_3 = \ |
| 1174 | json_topo_metrics_3[linkTimestamp]['value'] |
| 1175 | |
| 1176 | if graph_timestamp_1 and graph_timestamp_2 and\ |
| 1177 | graph_timestamp_3 and link_timestamp_1 and\ |
| 1178 | link_timestamp_2 and link_timestamp_3: |
| 1179 | link_up_lat_graph1 = int(graph_timestamp_1) -\ |
| 1180 | timestamp_link_up_t0 |
| 1181 | link_up_lat_graph2 = int(graph_timestamp_2) -\ |
| 1182 | timestamp_link_up_t0 |
| 1183 | link_up_lat_graph3 = int(graph_timestamp_3) -\ |
| 1184 | timestamp_link_up_t0 |
| 1185 | |
| 1186 | link_up_lat_link1 = int(link_timestamp_1) -\ |
| 1187 | timestamp_link_up_t0 |
| 1188 | link_up_lat_link2 = int(link_timestamp_2) -\ |
| 1189 | timestamp_link_up_t0 |
| 1190 | link_up_lat_link3 = int(link_timestamp_3) -\ |
| 1191 | timestamp_link_up_t0 |
| 1192 | else: |
| 1193 | main.log.error("There was an error calculating"+ |
| 1194 | " the delta for link down event") |
| 1195 | link_up_lat_graph1 = 0 |
| 1196 | link_up_lat_graph2 = 0 |
| 1197 | link_up_lat_graph3 = 0 |
| 1198 | |
| 1199 | link_up_lat_device1 = 0 |
| 1200 | link_up_lat_device2 = 0 |
| 1201 | link_up_lat_device3 = 0 |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1202 | |
| 1203 | if debug_mode == 'on': |
| 1204 | main.log.info("Link up latency ONOS1 iteration "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1205 | str(i)+" (end-to-end): "+ |
| 1206 | str(link_up_lat_graph1)+" ms") |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1207 | main.log.info("Link up latency ONOS2 iteration "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1208 | str(i)+" (end-to-end): "+ |
| 1209 | str(link_up_lat_graph2)+" ms") |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1210 | main.log.info("Link up latency ONOS3 iteration "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1211 | str(i)+" (end-to-end): "+ |
| 1212 | str(link_up_lat_graph3)+" ms") |
| 1213 | |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1214 | main.log.info("Link up latency ONOS1 iteration "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1215 | str(i)+" (link-event-to-system-timestamp): "+ |
| 1216 | str(link_up_lat_link1)+" ms") |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1217 | main.log.info("Link up latency ONOS2 iteration "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1218 | str(i)+" (link-event-to-system-timestamp): "+ |
| 1219 | str(link_up_lat_link2)+" ms") |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1220 | main.log.info("Link up latency ONOS3 iteration "+ |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1221 | str(i)+" (link-event-to-system-timestamp): "+ |
| 1222 | str(link_up_lat_link3)) |
| 1223 | |
| 1224 | #Calculate avg of node calculations |
| 1225 | link_up_lat_graph_avg =\ |
| 1226 | (link_up_lat_graph1 + |
| 1227 | link_up_lat_graph2 + |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1228 | link_up_lat_graph3) / 3 |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1229 | link_up_lat_link_avg =\ |
| 1230 | (link_up_lat_link1 + |
| 1231 | link_up_lat_link2 + |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1232 | link_up_lat_link3) / 3 |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1233 | |
| 1234 | #Set threshold and append latency to list |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1235 | if link_up_lat_graph_avg > up_threshold_min and\ |
| 1236 | link_up_lat_graph_avg < up_threshold_max: |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1237 | link_up_graph_to_system_list.append( |
| 1238 | link_up_lat_graph_avg) |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 1239 | else: |
| 1240 | main.log.info("Link up latency exceeded threshold") |
| 1241 | main.log.info("Results for iteration "+str(i)+ |
| 1242 | "have been omitted") |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1243 | if link_up_lat_link_avg > up_threshold_min and\ |
| 1244 | link_up_lat_link_avg < up_threshold_max: |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1245 | link_up_link_to_system_list.append( |
| 1246 | link_up_lat_link_avg) |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 1247 | else: |
| 1248 | main.log.info("Link up latency exceeded threshold") |
| 1249 | main.log.info("Results for iteration "+str(i)+ |
| 1250 | "have been omitted") |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1251 | |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1252 | #Calculate min, max, avg of list and report |
| 1253 | link_down_min = min(link_down_graph_to_system_list) |
| 1254 | link_down_max = max(link_down_graph_to_system_list) |
| 1255 | link_down_avg = sum(link_down_graph_to_system_list) / \ |
| 1256 | len(link_down_graph_to_system_list) |
andrewonlab | abb11c3 | 2014-11-04 15:03:24 -0500 | [diff] [blame] | 1257 | link_up_min = min(link_up_graph_to_system_list) |
| 1258 | link_up_max = max(link_up_graph_to_system_list) |
| 1259 | link_up_avg = sum(link_up_graph_to_system_list) / \ |
| 1260 | len(link_up_graph_to_system_list) |
| 1261 | |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1262 | main.log.report("Link down latency - Min: "+ |
| 1263 | str(link_down_min)+" ms Max: "+ |
| 1264 | str(link_down_max)+" ms Avg: "+ |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1265 | str(link_down_avg)+" ms") |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1266 | main.log.report("Link up latency - Min: "+ |
| 1267 | str(link_up_min)+" ms Max: "+ |
| 1268 | str(link_up_max)+" ms Avg: "+ |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1269 | str(link_up_avg)+" ms") |
andrewonlab | 4e12448 | 2014-11-04 13:37:25 -0500 | [diff] [blame] | 1270 | |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 1271 | utilities.assert_equals(expect=main.TRUE, actual=assertion, |
| 1272 | onpass="Link discovery latency calculation successful", |
| 1273 | onfail="Link discovery latency case failed") |
| 1274 | |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1275 | def CASE5(self, main): |
| 1276 | ''' |
| 1277 | 100 Switch discovery latency |
| 1278 | |
| 1279 | Important: |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1280 | This test case can be potentially dangerous if |
| 1281 | your machine has previously set iptables rules. |
| 1282 | One of the steps of the test case will flush |
| 1283 | all existing iptables rules. |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 1284 | Note: |
| 1285 | You can specify the number of switches in the |
| 1286 | params file to adjust the switch discovery size |
| 1287 | (and specify the corresponding topology in Mininet1 |
| 1288 | .topo file) |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1289 | ''' |
| 1290 | import time |
| 1291 | import subprocess |
| 1292 | import os |
| 1293 | import requests |
| 1294 | import json |
| 1295 | |
| 1296 | ONOS1_ip = main.params['CTRL']['ip1'] |
| 1297 | ONOS2_ip = main.params['CTRL']['ip2'] |
| 1298 | ONOS3_ip = main.params['CTRL']['ip3'] |
| 1299 | MN1_ip = main.params['MN']['ip1'] |
| 1300 | ONOS_user = main.params['CTRL']['user'] |
| 1301 | |
| 1302 | default_sw_port = main.params['CTRL']['port1'] |
| 1303 | |
| 1304 | #Number of iterations of case |
| 1305 | num_iter = main.params['TEST']['numIter'] |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1306 | num_sw = main.params['TEST']['numSwitch'] |
| 1307 | |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1308 | #Timestamp 'keys' for json metrics output. |
| 1309 | #These are subject to change, hence moved into params |
| 1310 | deviceTimestamp = main.params['JSON']['deviceTimestamp'] |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1311 | graphTimestamp = main.params['JSON']['graphTimestamp'] |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1312 | |
| 1313 | debug_mode = main.params['TEST']['debugMode'] |
| 1314 | |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 1315 | local_time = time.strftime('%X') |
| 1316 | local_time = local_time.replace("/","") |
| 1317 | local_time = local_time.replace(" ","_") |
| 1318 | local_time = local_time.replace(":","") |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1319 | if debug_mode == 'on': |
| 1320 | main.ONOS1.tshark_pcap("eth0", |
andrewonlab | b1998c5 | 2014-11-10 13:31:43 -0500 | [diff] [blame] | 1321 | "/tmp/100_sw_lat_pcap_"+local_time) |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1322 | |
| 1323 | #Threshold for this test case |
| 1324 | sw_disc_threshold_str = main.params['TEST']['swDisc100Threshold'] |
| 1325 | sw_disc_threshold_obj = sw_disc_threshold_str.split(",") |
| 1326 | sw_disc_threshold_min = int(sw_disc_threshold_obj[0]) |
| 1327 | sw_disc_threshold_max = int(sw_disc_threshold_obj[1]) |
| 1328 | |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1329 | tshark_ofp_output = "/tmp/tshark_ofp_"+num_sw+"sw.txt" |
| 1330 | tshark_tcp_output = "/tmp/tshark_tcp_"+num_sw+"sw.txt" |
| 1331 | |
| 1332 | tshark_ofp_result_list = [] |
| 1333 | tshark_tcp_result_list = [] |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1334 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1335 | sw_discovery_lat_list = [] |
| 1336 | |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1337 | main.case(num_sw+" Switch discovery latency") |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1338 | main.step("Assigning all switches to ONOS1") |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1339 | for i in range(1, int(num_sw)+1): |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1340 | main.Mininet1.assign_sw_controller( |
| 1341 | sw=str(i), |
| 1342 | ip1=ONOS1_ip, |
| 1343 | port1=default_sw_port) |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1344 | |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1345 | #Ensure that nodes are configured with ptpd |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1346 | #Just a warning message |
| 1347 | main.log.info("Please check ptpd configuration to ensure"+\ |
| 1348 | " All nodes' system times are in sync") |
| 1349 | time.sleep(5) |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1350 | |
| 1351 | for i in range(0, int(num_iter)): |
andrewonlab | 8d29f12 | 2014-10-22 17:15:04 -0400 | [diff] [blame] | 1352 | |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1353 | main.step("Set iptables rule to block incoming sw connections") |
| 1354 | #Set iptables rule to block incoming switch connections |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1355 | #The rule description is as follows: |
| 1356 | # Append to INPUT rule, |
| 1357 | # behavior DROP that matches following: |
| 1358 | # * packet type: tcp |
| 1359 | # * source IP: MN1_ip |
| 1360 | # * destination PORT: 6633 |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1361 | main.ONOS1.handle.sendline( |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1362 | "sudo iptables -A INPUT -p tcp -s "+MN1_ip+ |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1363 | " --dport "+default_sw_port+" -j DROP") |
| 1364 | main.ONOS1.handle.expect("\$") |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1365 | # Append to OUTPUT rule, |
| 1366 | # behavior DROP that matches following: |
| 1367 | # * packet type: tcp |
| 1368 | # * source IP: MN1_ip |
| 1369 | # * destination PORT: 6633 |
| 1370 | main.ONOS1.handle.sendline( |
| 1371 | "sudo iptables -A OUTPUT -p tcp -s "+MN1_ip+ |
| 1372 | " --dport "+default_sw_port+" -j DROP") |
| 1373 | main.ONOS1.handle.expect("\$") |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1374 | #Give time to allow rule to take effect |
andrewonlab | 8790abb | 2014-11-06 13:51:54 -0500 | [diff] [blame] | 1375 | #NOTE: Sleep period may need to be configured |
| 1376 | # based on the number of switches in the topology |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1377 | main.log.info("Please wait for switch connection to "+ |
| 1378 | "time out") |
| 1379 | time.sleep(60) |
| 1380 | |
| 1381 | #Gather vendor OFP with tshark |
| 1382 | main.ONOS1.tshark_grep("OFP 86 Vendor", |
| 1383 | tshark_ofp_output) |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1384 | main.ONOS1.tshark_grep("TCP 74 ", |
| 1385 | tshark_tcp_output) |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1386 | |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1387 | #NOTE: Remove all iptables rule quickly (flush) |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1388 | # Before removal, obtain TestON timestamp at which |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1389 | # removal took place |
| 1390 | # (ensuring nodes are configured via ptp) |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1391 | # sudo iptables -F |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1392 | |
| 1393 | t0_system = time.time() * 1000 |
| 1394 | main.ONOS1.handle.sendline( |
| 1395 | "sudo iptables -F") |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1396 | |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1397 | #Counter to track loop count |
| 1398 | counter_loop = 0 |
| 1399 | counter_avail1 = 0 |
| 1400 | counter_avail2 = 0 |
| 1401 | counter_avail3 = 0 |
| 1402 | onos1_dev = False |
| 1403 | onos2_dev = False |
| 1404 | onos3_dev = False |
| 1405 | while counter_loop < 60: |
| 1406 | #Continue to check devices for all device |
| 1407 | #availability. When all devices in all 3 |
| 1408 | #ONOS instances indicate that devices are available |
| 1409 | #obtain graph event timestamp for t1. |
| 1410 | device_str_obj1 = main.ONOS1cli.devices() |
| 1411 | device_str_obj2 = main.ONOS2cli.devices() |
| 1412 | device_str_obj3 = main.ONOS3cli.devices() |
| 1413 | |
| 1414 | device_json1 = json.loads(device_str_obj1) |
| 1415 | device_json2 = json.loads(device_str_obj2) |
| 1416 | device_json3 = json.loads(device_str_obj3) |
| 1417 | |
| 1418 | for device1 in device_json1: |
| 1419 | if device1['available'] == True: |
| 1420 | counter_avail1 += 1 |
| 1421 | if counter_avail1 == int(num_sw): |
| 1422 | onos1_dev = True |
| 1423 | main.log.info("All devices have been "+ |
| 1424 | "discovered on ONOS1") |
| 1425 | else: |
| 1426 | counter_avail1 = 0 |
| 1427 | for device2 in device_json2: |
| 1428 | if device2['available'] == True: |
| 1429 | counter_avail2 += 1 |
| 1430 | if counter_avail2 == int(num_sw): |
| 1431 | onos2_dev = True |
| 1432 | main.log.info("All devices have been "+ |
| 1433 | "discovered on ONOS2") |
| 1434 | else: |
| 1435 | counter_avail2 = 0 |
| 1436 | for device3 in device_json3: |
| 1437 | if device3['available'] == True: |
| 1438 | counter_avail3 += 1 |
| 1439 | if counter_avail3 == int(num_sw): |
| 1440 | onos3_dev = True |
| 1441 | main.log.info("All devices have been "+ |
| 1442 | "discovered on ONOS3") |
| 1443 | else: |
| 1444 | counter_avail3 = 0 |
| 1445 | |
| 1446 | if onos1_dev and onos2_dev and onos3_dev: |
| 1447 | main.log.info("All devices have been discovered "+ |
| 1448 | "on all ONOS instances") |
| 1449 | json_str_topology_metrics_1 =\ |
| 1450 | main.ONOS1cli.topology_events_metrics() |
| 1451 | json_str_topology_metrics_2 =\ |
| 1452 | main.ONOS2cli.topology_events_metrics() |
| 1453 | json_str_topology_metrics_3 =\ |
| 1454 | main.ONOS3cli.topology_events_metrics() |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1455 | |
| 1456 | #Exit while loop if all devices discovered |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1457 | break |
| 1458 | |
| 1459 | counter_loop += 1 |
| 1460 | #Give some time in between CLI calls |
| 1461 | #(will not affect measurement) |
| 1462 | time.sleep(3) |
| 1463 | |
| 1464 | main.ONOS1.tshark_stop() |
| 1465 | |
| 1466 | os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| 1467 | tshark_ofp_output+" /tmp/") |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1468 | os.system("scp "+ONOS_user+"@"+ONOS1_ip+":"+ |
| 1469 | tshark_tcp_output+" /tmp/") |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1470 | |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1471 | #TODO: Automate OFP output analysis |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1472 | #Debug mode - print out packets captured at runtime |
| 1473 | if debug_mode == 'on': |
| 1474 | ofp_file = open(tshark_ofp_output, 'r') |
| 1475 | main.log.info("Tshark OFP Vendor output: ") |
| 1476 | for line in ofp_file: |
| 1477 | tshark_ofp_result_list.append(line) |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1478 | main.log.info(line) |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1479 | ofp_file.close() |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1480 | |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1481 | tcp_file = open(tshark_tcp_output, 'r') |
| 1482 | main.log.info("Tshark TCP 74 output: ") |
| 1483 | for line in tcp_file: |
| 1484 | tshark_tcp_result_list.append(line) |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1485 | main.log.info(line) |
andrewonlab | 58f7d70 | 2014-11-07 13:21:19 -0500 | [diff] [blame] | 1486 | tcp_file.close() |
andrewonlab | 53b641c | 2014-10-31 19:44:44 -0400 | [diff] [blame] | 1487 | |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1488 | json_obj_1 = json.loads(json_str_topology_metrics_1) |
| 1489 | json_obj_2 = json.loads(json_str_topology_metrics_2) |
| 1490 | json_obj_3 = json.loads(json_str_topology_metrics_3) |
| 1491 | |
| 1492 | graph_timestamp_1 = \ |
| 1493 | json_obj_1[graphTimestamp]['value'] |
| 1494 | graph_timestamp_2 = \ |
| 1495 | json_obj_2[graphTimestamp]['value'] |
| 1496 | graph_timestamp_3 = \ |
| 1497 | json_obj_3[graphTimestamp]['value'] |
| 1498 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1499 | graph_lat_1 = int(graph_timestamp_1) - int(t0_system) |
| 1500 | graph_lat_2 = int(graph_timestamp_2) - int(t0_system) |
| 1501 | graph_lat_3 = int(graph_timestamp_3) - int(t0_system) |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1502 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1503 | avg_graph_lat = \ |
| 1504 | (int(graph_lat_1) +\ |
| 1505 | int(graph_lat_2) +\ |
| 1506 | int(graph_lat_3)) / 3 |
| 1507 | |
| 1508 | if avg_graph_lat > sw_disc_threshold_min \ |
| 1509 | and avg_graph_lat < sw_disc_threshold_max: |
| 1510 | sw_discovery_lat_list.append( |
| 1511 | avg_graph_lat) |
| 1512 | else: |
| 1513 | main.log.info("100 Switch discovery latency "+ |
| 1514 | "exceeded the threshold.") |
| 1515 | |
| 1516 | #END ITERATION FOR LOOP |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1517 | |
andrewonlab | e5bcef9 | 2014-11-06 17:53:20 -0500 | [diff] [blame] | 1518 | sw_lat_min = min(sw_discovery_lat_list) |
| 1519 | sw_lat_max = max(sw_discovery_lat_list) |
| 1520 | sw_lat_avg = sum(sw_discovery_lat_list) /\ |
| 1521 | len(sw_discovery_lat_list) |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1522 | |
andrewonlab | f9828f0 | 2014-11-10 14:50:27 -0500 | [diff] [blame] | 1523 | main.log.report("100 Switch discovery lat "+\ |
| 1524 | "Min: "+str(sw_lat_min)+" ms"+\ |
| 1525 | "Max: "+str(sw_lat_max)+" ms"+\ |
| 1526 | "Avg: "+str(sw_lat_avg)+" ms") |
andrewonlab | 16ce485 | 2014-10-30 13:41:09 -0400 | [diff] [blame] | 1527 | |
andrewonlab | b54b85b | 2014-10-28 18:43:57 -0400 | [diff] [blame] | 1528 | |