| ''' |
| ''' |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import os |
| import subprocess |
| Test.Summary = ''' |
| Test transactions and sessions, making sure they open and close in the proper order. |
| ''' |
| |
| # Define default ATS. Disable the cache to simplify the test. |
| ts = Test.MakeATSProcess("ts", command="traffic_manager", enable_cache=False) |
| |
| server = Test.MakeOriginServer("server") |
| server2 = Test.MakeOriginServer("server2") |
| |
| Test.testName = "" |
| request_header = {"headers": "GET / HTTP/1.1\r\nHost: oc.test\r\n\r\n", |
| "timestamp": "1469733493.993", "body": ""} |
| # expected response from the origin server |
| response_header = {"headers": "HTTP/1.1 200 OK\r\nConnection: close\r\nContent-Length:0\r\n\r\n", |
| "timestamp": "1469733493.993", "body": ""} |
| |
| Test.PrepareTestPlugin(os.path.join(Test.Variables.AtsTestPluginsDir, |
| 'ssntxnorder_verify.so'), ts) |
| |
| # add response to the server dictionary |
| server.addResponse("sessionfile.log", request_header, response_header) |
| ts.Disk.records_config.update({ |
| 'proxy.config.diags.debug.enabled': 0, |
| 'proxy.config.diags.debug.tags': 'ssntxnorder_verify.*', |
| 'proxy.config.cache.enable_read_while_writer': 0 |
| }) |
| |
| ts.Disk.remap_config.AddLine( |
| 'map http://oc.test:{0} http://127.0.0.1:{1}'.format( |
| ts.Variables.port, server.Variables.Port) |
| ) |
| |
| cmd = 'curl -vs -H "host:oc.test" http://127.0.0.1:{0}'.format(ts.Variables.port) |
| numberOfRequests = 100 |
| |
| tr = Test.AddTestRun() |
| # Create a bunch of curl commands to be executed in parallel. Default.Process is set in SpawnCommands. |
| # On Fedora 28/29, it seems that curl will occaisionally timeout after a couple seconds and return exitcode 2 |
| # Examinig the packet capture shows that Traffic Server dutifully sends the response |
| ps = tr.SpawnCommands(cmdstr=cmd, count=numberOfRequests, retcode=Any(0,2)) |
| tr.Processes.Default.Env = ts.Env |
| tr.Processes.Default.ReturnCode = Any(0,2) |
| |
| # Execution order is: ts/server, ps(curl cmds), Default Process. |
| tr.Processes.Default.StartBefore( |
| server, ready=When.PortOpen(server.Variables.Port)) |
| tr.Processes.Default.StartBefore(Test.Processes.ts) |
| ts.StartAfter(*ps) |
| server.StartAfter(*ps) |
| tr.StillRunningAfter = ts |
| |
| # Signal that all the curl processes have completed |
| tr = Test.AddTestRun("Curl Done") |
| tr.DelayStart = 2 # Delaying a couple seconds to make sure the global continuation's lock contention resolves. |
| tr.Processes.Default.Command = "traffic_ctl plugin msg done done" |
| tr.Processes.Default.ReturnCode = 0 |
| tr.Processes.Default.Env = ts.Env |
| tr.StillRunningAfter = ts |
| |
| # Parking this as a ready tester on a meaningless process |
| # To stall the test runs that check for the stats until the |
| # stats have propagated and are ready to read. |
| def make_done_stat_ready(tsenv): |
| def done_stat_ready(process, hasRunFor, **kw): |
| retval = subprocess.run("traffic_ctl metric get ssntxnorder_verify.test.done > done 2> /dev/null", shell=True, env=tsenv) |
| if retval.returncode == 0: |
| retval = subprocess.run("grep 1 done > /dev/null", shell = True, env=tsenv) |
| return retval.returncode == 0 |
| |
| return done_stat_ready |
| |
| # number of sessions/transactions opened and closed are equal |
| tr = Test.AddTestRun("Check Ssn order errors") |
| server2.StartupTimeout = 60 |
| # Again, here the imporant thing is the ready function not the server2 process |
| tr.Processes.Default.StartBefore(server2, ready=make_done_stat_ready(ts.Env)) |
| tr.Processes.Default.Command = 'traffic_ctl metric get ssntxnorder_verify.err' |
| tr.Processes.Default.ReturnCode = 0 |
| tr.Processes.Default.Env = ts.Env |
| tr.Processes.Default.Streams.All = Testers.ContainsExpression( |
| 'ssntxnorder_verify.err 0', 'incorrect statistic return, or possible error.') |
| tr.StillRunningAfter = ts |
| tr.StillRunningAfter = server |
| |
| comparator_command = ''' |
| if test "`traffic_ctl metric get ssntxnorder_verify.{0}.start | cut -d ' ' -f 2`" -eq "`traffic_ctl metric get ssntxnorder_verify.{0}.close | cut -d ' ' -f 2`" ; then\ |
| echo yes;\ |
| else \ |
| echo no; \ |
| fi; \ |
| traffic_ctl metric match ssntxnorder_verify |
| ''' |
| |
| # number of sessions/transactions opened and closed are equal |
| tr = Test.AddTestRun("Check for ssn open/close") |
| tr.Processes.Default.Command = comparator_command.format('ssn') |
| tr.Processes.Default.ReturnCode = 0 |
| tr.Processes.Default.Env = ts.Env |
| tr.Processes.Default.Streams.stdout = Testers.ContainsExpression( |
| "yes", 'should verify contents') |
| tr.Processes.Default.Streams.stdout += Testers.ExcludesExpression( |
| "ssntxnorder_verify.ssn.start 0", 'should be nonzero') |
| tr.StillRunningAfter = ts |
| tr.StillRunningAfter = server |
| |
| tr = Test.AddTestRun("Check for txn/open/close") |
| tr.Processes.Default.Command = comparator_command.format('txn') |
| tr.Processes.Default.ReturnCode = 0 |
| tr.Processes.Default.Env = ts.Env |
| tr.Processes.Default.Streams.stdout = Testers.ContainsExpression( |
| "yes", 'should verify contents') |
| tr.Processes.Default.Streams.stdout += Testers.ExcludesExpression( |
| "ssntxnorder_verify.txn.start 0", 'should be nonzero') |
| # and we receive the same number of transactions as we asked it to make |
| tr.Processes.Default.Streams.stdout += Testers.ContainsExpression( |
| "ssntxnorder_verify.txn.start {}".format(numberOfRequests), 'should be the number of transactions we made') |
| tr.StillRunningAfter = ts |
| tr.StillRunningAfter = server |
| |