tests/gold_tests/continuations/session_id.test.py

'''
'''
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#  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
Test.Summary = '''
Verify session ID properties.
'''

Test.SkipUnless(
    Condition.HasCurlFeature('http2')
)

# Configure the server.
server = Test.MakeOriginServer("server")
request_header = {"headers": "GET / HTTP/1.1\r\nHost: example.com\r\n\r\n",
                  "timestamp": "1469733493.993", "body": ""}
response_header = {"headers": "HTTP/1.1 200 OK\r\nConnection: close\r\nContent-Length:0\r\n\r\n",
                   "timestamp": "1469733493.993", "body": ""}
server.addResponse("sessionfile.log", request_header, response_header)

# Configure ATS. Disable the cache to simplify the test.
ts = Test.MakeATSProcess("ts", command="traffic_manager", enable_tls=True, enable_cache=False)

ts.addSSLfile("ssl/server.pem")
ts.addSSLfile("ssl/server.key")

Test.PrepareTestPlugin(os.path.join(Test.TestDirectory, 'plugins', '.libs', 'session_id_verify.so'), ts)

ts.Disk.records_config.update({
    'proxy.config.diags.debug.enabled': 1,
    'proxy.config.diags.debug.tags': 'session_id_verify',
    'proxy.config.cache.enable_read_while_writer': 0,
    'proxy.config.ssl.server.cert.path': '{0}'.format(ts.Variables.SSLDir),
    'proxy.config.ssl.server.private_key.path': '{0}'.format(ts.Variables.SSLDir),
})

ts.Disk.remap_config.AddLine(
    'map / http://127.0.0.1:{0}'.format(server.Variables.Port)
)

ts.Disk.ssl_multicert_config.AddLine(
    'dest_ip=* ssl_cert_name=server.pem ssl_key_name=server.key'
)

#
# Run some HTTP/1 traffic.
#
tr = Test.AddTestRun("Perform HTTP/1 transactions")
cmd = 'curl -v -H "host:example.com" http://127.0.0.1:{0}'.format(ts.Variables.port)
numberOfRequests = 100
# 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)
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
tr.StillRunningAfter = server

#
# Run some HTTP/2 traffic.
#
tr = Test.AddTestRun("Perform HTTP/2 transactions")
cmd = 'curl -v -k --http2 -H "host:example.com" https://127.0.0.1:{0}'.format(ts.Variables.ssl_port)
ps = tr.SpawnCommands(cmdstr=cmd,  count=numberOfRequests, retcode=Any(0, 2))
tr.Processes.Default.Env = ts.Env
tr.Processes.Default.ReturnCode = Any(0, 2)

#
# Verify that the session ids are unique.
#

# AuTest already searches for errors in diags.log and fails if it encounters
# them. The test plugin prints an error to this log if it sees duplicate ids.
# The following is to verify that we encountered the expected ids.
ts.Streams.stderr += Testers.ContainsExpression(
        "session id: 199",
        "Verify the various session ids were found.")