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#!/usr/bin/env python
# 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, signal, sys, time, imp, re, subprocess, glob, random, logging, shutil
from qpid.messaging import Message, NotFound
from brokertest import *
from threading import Thread, Lock, Condition
from logging import getLogger
log = getLogger("qpid.ha-tests")
class ShortTests(BrokerTest):
"""Short HA functionality tests."""
def ha_broker(self, args=[], client_url="dummy", broker_url="dummy", **kwargs):
assert BrokerTest.ha_lib, "Cannot locate HA plug-in"
return Broker(self, args=["--load-module", BrokerTest.ha_lib,
"--ha-enable=yes",
"--ha-client-url", client_url,
"--ha-broker-url", broker_url,
] + args,
**kwargs)
# FIXME aconway 2011-11-15: work around async replication.
def wait(self, session, address):
def check():
try:
session.sender(address)
return True
except NotFound: return False
assert retry(check), "Timed out waiting for %s"%(address)
def assert_missing(self,session, address):
try:
session.receiver(address)
self.fail("Should not have been replicated: %s"%(address))
except NotFound: pass
def test_replication(self):
def queue(name, replicate):
return "%s;{create:always,node:{x-declare:{arguments:{'qpid.replicate':%s}}}}"%(name, replicate)
def exchange(name, replicate, bindq):
return"%s;{create:always,node:{type:topic,x-declare:{arguments:{'qpid.replicate':%s}, type:'fanout'},x-bindings:[{exchange:'%s',queue:'%s'}]}}"%(name, replicate, name, bindq)
def setup(p, prefix):
"""Create config, send messages on the primary p"""
s = p.sender(queue(prefix+"q1", "all"))
for m in ["a", "b", "1"]: s.send(Message(m))
# Test replication of dequeue
self.assertEqual(p.receiver(prefix+"q1").fetch(timeout=0).content, "a")
p.acknowledge()
p.sender(queue(prefix+"q2", "wiring")).send(Message("2"))
p.sender(queue(prefix+"q3", "none")).send(Message("3"))
p.sender(exchange(prefix+"e1", "all", prefix+"q1")).send(Message("4"))
p.sender(exchange(prefix+"e2", "all", prefix+"q2")).send(Message("5"))
# FIXME aconway 2011-11-24: need a marker so we can wait till sync is done.
p.sender(queue(prefix+"x", "wiring"))
def verify(b, prefix, p):
"""Verify setup was replicated to backup b"""
# FIXME aconway 2011-11-21: wait for wiring to replicate.
self.wait(b, prefix+"x");
# FIXME aconway 2011-11-24: assert_browse_retry to deal with async replication.
self.assert_browse_retry(b, prefix+"q1", ["b", "1", "4"])
self.assertEqual(p.receiver(prefix+"q1").fetch(timeout=0).content, "b")
p.acknowledge()
self.assert_browse_retry(b, prefix+"q1", ["1", "4"])
self.assert_browse_retry(b, prefix+"q2", []) # wiring only
self.assert_missing(b, prefix+"q3")
b.sender(prefix+"e1").send(Message(prefix+"e1")) # Verify binds with replicate=all
self.assert_browse_retry(b, prefix+"q1", ["1", "4", prefix+"e1"])
b.sender(prefix+"e2").send(Message(prefix+"e2")) # Verify binds with replicate=wiring
self.assert_browse_retry(b, prefix+"q2", [prefix+"e2"])
primary = self.ha_broker(name="primary", broker_url="primary") # Temp hack to identify primary
p = primary.connect().session()
# Create config, send messages before starting the backup, to test catch-up replication.
setup(p, "1")
backup = self.ha_broker(name="backup", broker_url=primary.host_port())
# Create config, send messages after starting the backup, to test steady-state replication.
setup(p, "2")
# Verify the data on the backup
b = backup.connect().session()
verify(b, "1", p)
verify(b, "2", p)
# Test a series of messages, enqueue all then dequeue all.
s = p.sender(queue("foo","all"))
msgs = [str(i) for i in range(10)]
for m in msgs: s.send(Message(m))
self.assert_browse_retry(p, "foo", msgs)
self.assert_browse_retry(b, "foo", msgs)
r = p.receiver("foo")
for m in msgs: self.assertEqual(m, r.fetch(timeout=0).content)
p.acknowledge()
self.assert_browse_retry(p, "foo", [])
self.assert_browse_retry(b, "foo", [])
# Another series, this time verify each dequeue individually.
for m in msgs: s.send(Message(m))
self.assert_browse_retry(p, "foo", msgs)
self.assert_browse_retry(b, "foo", msgs)
for i in range(len(msgs)):
self.assertEqual(msgs[i], r.fetch(timeout=0).content)
p.acknowledge()
self.assert_browse_retry(p, "foo", msgs[i+1:])
self.assert_browse_retry(b, "foo", msgs[i+1:])
def qpid_replicate(self, value="all"):
return "node:{x-declare:{arguments:{'qpid.replicate':%s}}}" % value
def test_sync(self):
def queue(name, replicate):
return "%s;{create:always,%s}"%(name, self.qpid_replicate(replicate))
primary = self.ha_broker(name="primary", broker_url="primary") # Temp hack to identify primary
p = primary.connect().session()
s = p.sender(queue("q","all"))
for m in [str(i) for i in range(0,10)]: s.send(m)
s.sync()
backup1 = self.ha_broker(name="backup1", broker_url=primary.host_port())
for m in [str(i) for i in range(10,20)]: s.send(m)
s.sync()
backup2 = self.ha_broker(name="backup2", broker_url=primary.host_port())
for m in [str(i) for i in range(20,30)]: s.send(m)
s.sync()
msgs = [str(i) for i in range(30)]
b1 = backup1.connect().session()
self.wait(b1, "q");
self.assert_browse_retry(b1, "q", msgs)
b2 = backup2.connect().session()
self.wait(b2, "q");
self.assert_browse_retry(b2, "q", msgs)
def test_send_receive(self):
primary = self.ha_broker(name="primary", broker_url="primary")
backup1 = self.ha_broker(name="backup1", broker_url=primary.host_port())
backup2 = self.ha_broker(name="backup2", broker_url=primary.host_port())
sender = self.popen(
["qpid-send",
"--broker", primary.host_port(),
"--address", "q;{create:always,%s}"%(self.qpid_replicate("all")),
"--messages=1000",
"--content-string=x"
])
receiver = self.popen(
["qpid-receive",
"--broker", primary.host_port(),
"--address", "q;{create:always,%s}"%(self.qpid_replicate("all")),
"--messages=990",
"--timeout=10"
])
try:
self.assertEqual(sender.wait(), 0)
self.assertEqual(receiver.wait(), 0)
expect = [long(i) for i in range(991, 1001)]
sn = lambda m: m.properties["sn"]
self.assert_browse_retry(backup1.connect().session(), "q", expect, transform=sn)
self.assert_browse_retry(backup2.connect().session(), "q", expect, transform=sn)
except:
print self.browse(primary.connect().session(), "q", transform=sn)
print self.browse(backup1.connect().session(), "q", transform=sn)
print self.browse(backup2.connect().session(), "q", transform=sn)
raise
if __name__ == "__main__":
shutil.rmtree("brokertest.tmp", True)
os.execvp("qpid-python-test", ["qpid-python-test", "-m", "ha_tests"] + sys.argv[1:])
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