/usr/share/pyshared/cts/CTStests.py is in pacemaker 1.1.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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There are a few things we want to do here:
'''
__copyright__='''
Copyright (C) 2000, 2001 Alan Robertson <alanr@unix.sh>
Licensed under the GNU GPL.
Add RecourceRecover testcase Zhao Kai <zhaokai@cn.ibm.com>
'''
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# SPECIAL NOTE:
#
# Tests may NOT implement any cluster-manager-specific code in them.
# EXTEND the ClusterManager object to provide the base capabilities
# the test needs if you need to do something that the current CM classes
# do not. Otherwise you screw up the whole point of the object structure
# in CTS.
#
# Thank you.
#
import time, os, re, types, string, tempfile, sys
from stat import *
from cts import CTS
from cts.CTSaudits import *
AllTestClasses = [ ]
class CTSTest:
'''
A Cluster test.
We implement the basic set of properties and behaviors for a generic
cluster test.
Cluster tests track their own statistics.
We keep each of the kinds of counts we track as separate {name,value}
pairs.
'''
def __init__(self, cm):
#self.name="the unnamed test"
self.Stats = {"calls":0
, "success":0
, "failure":0
, "skipped":0
, "auditfail":0}
# if not issubclass(cm.__class__, ClusterManager):
# raise ValueError("Must be a ClusterManager object")
self.CM = cm
self.Audits = []
self.timeout=120
self.passed = 1
self.is_loop = 0
self.is_unsafe = 0
self.is_experimental = 0
self.is_valgrind = 0
self.benchmark = 0 # which tests to benchmark
self.timer = {} # timers
def has_key(self, key):
return self.Stats.has_key(key)
def __setitem__(self, key, value):
self.Stats[key] = value
def __getitem__(self, key):
return self.Stats[key]
def log_mark(self, msg):
self.CM.debug("MARK: test %s %s %d" % (self.name,msg,time.time()))
return
def get_timer(self,key = "test"):
try: return self.timer[key]
except: return 0
def set_timer(self,key = "test"):
self.timer[key] = time.time()
return self.timer[key]
def log_timer(self,key = "test"):
elapsed = 0
if key in self.timer:
elapsed = time.time() - self.timer[key]
s = key == "test" and self.name or "%s:%s" %(self.name,key)
self.CM.debug("%s runtime: %.2f" % (s, elapsed))
del self.timer[key]
return elapsed
def incr(self, name):
'''Increment (or initialize) the value associated with the given name'''
if not self.Stats.has_key(name):
self.Stats[name]=0
self.Stats[name] = self.Stats[name]+1
# Reset the test passed boolean
if name == "calls":
self.passed = 1
def failure(self, reason="none"):
'''Increment the failure count'''
self.passed = 0
self.incr("failure")
self.CM.log(("Test %s" % self.name).ljust(35) +" FAILED: %s" % reason)
return None
def success(self):
'''Increment the success count'''
self.incr("success")
return 1
def skipped(self):
'''Increment the skipped count'''
self.incr("skipped")
return 1
def __call__(self, node):
'''Perform the given test'''
raise ValueError("Abstract Class member (__call__)")
self.incr("calls")
return self.failure()
def audit(self):
passed = 1
if len(self.Audits) > 0:
for audit in self.Audits:
if not audit():
self.CM.log("Internal %s Audit %s FAILED." % (self.name, audit.name()))
self.incr("auditfail")
passed = 0
return passed
def setup(self, node):
'''Setup the given test'''
return self.success()
def teardown(self, node):
'''Tear down the given test'''
return self.success()
def create_watch(self, patterns, timeout, name=None):
if not name:
name = self.name
return CTS.LogWatcher(self.CM.Env, self.CM["LogFileName"], patterns, name, timeout)
def local_badnews(self, prefix, watch, local_ignore=[]):
errcount = 0
if not prefix:
prefix = "LocalBadNews:"
ignorelist = []
ignorelist.append(" CTS: ")
ignorelist.append(prefix)
ignorelist.extend(local_ignore)
while errcount < 100:
match=watch.look(0)
if match:
add_err = 1
for ignore in ignorelist:
if add_err == 1 and re.search(ignore, match):
add_err = 0
if add_err == 1:
self.CM.log(prefix + " " + match)
errcount=errcount+1
else:
break
else:
self.CM.log("Too many errors!")
return errcount
def is_applicable(self):
return self.is_applicable_common()
def is_applicable_common(self):
'''Return TRUE if we are applicable in the current test configuration'''
#raise ValueError("Abstract Class member (is_applicable)")
if self.is_loop and not self.CM.Env["loop-tests"]:
return 0
elif self.is_unsafe and not self.CM.Env["unsafe-tests"]:
return 0
elif self.is_valgrind and not self.CM.Env["valgrind-tests"]:
return 0
elif self.is_experimental and not self.CM.Env["experimental-tests"]:
return 0
elif self.CM.Env["benchmark"] and self.benchmark == 0:
return 0
return 1
def find_ocfs2_resources(self, node):
self.r_o2cb = None
self.r_ocfs2 = []
(rc, lines) = self.CM.rsh(node, "crm_resource -c", None)
for line in lines:
if re.search("^Resource", line):
r = AuditResource(self.CM, line)
if r.rtype == "o2cb" and r.parent != "NA":
self.CM.debug("Found o2cb: %s" % self.r_o2cb)
self.r_o2cb = r.parent
if re.search("^Constraint", line):
c = AuditConstraint(self.CM, line)
if c.type == "rsc_colocation" and c.target == self.r_o2cb:
self.r_ocfs2.append(c.rsc)
self.CM.debug("Found ocfs2 filesystems: %s" % repr(self.r_ocfs2))
return len(self.r_ocfs2)
def canrunnow(self, node):
'''Return TRUE if we can meaningfully run right now'''
return 1
def errorstoignore(self):
'''Return list of errors which are 'normal' and should be ignored'''
return []
###################################################################
class StopTest(CTSTest):
###################################################################
'''Stop (deactivate) the cluster manager on a node'''
def __init__(self, cm):
CTSTest.__init__(self, cm)
self.name="Stop"
def __call__(self, node):
'''Perform the 'stop' test. '''
self.incr("calls")
if self.CM.ShouldBeStatus[node] != "up":
return self.skipped()
patterns = []
# Technically we should always be able to notice ourselves stopping
patterns.append(self.CM["Pat:We_stopped"] % node)
#if self.CM.Env["use_logd"]:
# patterns.append(self.CM["Pat:Logd_stopped"] % node)
# Any active node needs to notice this one left
# NOTE: This wont work if we have multiple partitions
for other in self.CM.Env["nodes"]:
if self.CM.ShouldBeStatus[other] == "up" and other != node:
patterns.append(self.CM["Pat:They_stopped"] %(other, self.CM.key_for_node(node)))
#self.debug("Checking %s will notice %s left"%(other, node))
watch = self.create_watch(patterns, self.CM["DeadTime"])
watch.setwatch()
if node == self.CM.OurNode:
self.incr("us")
else:
if self.CM.upcount() <= 1:
self.incr("all")
else:
self.incr("them")
self.CM.StopaCM(node)
watch_result = watch.lookforall()
failreason=None
UnmatchedList = "||"
if watch.unmatched:
(rc, output) = self.CM.rsh(node, "/bin/ps axf", None)
for line in output:
self.CM.debug(line)
(rc, output) = self.CM.rsh(node, "/usr/sbin/dlm_tool dump", None)
for line in output:
self.CM.debug(line)
for regex in watch.unmatched:
self.CM.log ("ERROR: Shutdown pattern not found: %s" % (regex))
UnmatchedList += regex + "||";
failreason="Missing shutdown pattern"
self.CM.cluster_stable(self.CM["DeadTime"])
if not watch.unmatched or self.CM.upcount() == 0:
return self.success()
if len(watch.unmatched) >= self.CM.upcount():
return self.failure("no match against (%s)" % UnmatchedList)
if failreason == None:
return self.success()
else:
return self.failure(failreason)
#
# We don't register StopTest because it's better when called by
# another test...
#
###################################################################
class StartTest(CTSTest):
###################################################################
'''Start (activate) the cluster manager on a node'''
def __init__(self, cm, debug=None):
CTSTest.__init__(self,cm)
self.name="start"
self.debug = debug
def __call__(self, node):
'''Perform the 'start' test. '''
self.incr("calls")
if self.CM.upcount() == 0:
self.incr("us")
else:
self.incr("them")
if self.CM.ShouldBeStatus[node] != "down":
return self.skipped()
elif self.CM.StartaCM(node):
return self.success()
else:
return self.failure("Startup %s on node %s failed"
%(self.CM["Name"], node))
#
# We don't register StartTest because it's better when called by
# another test...
#
###################################################################
class FlipTest(CTSTest):
###################################################################
'''If it's running, stop it. If it's stopped start it.
Overthrow the status quo...
'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="Flip"
self.start = StartTest(cm)
self.stop = StopTest(cm)
def __call__(self, node):
'''Perform the 'Flip' test. '''
self.incr("calls")
if self.CM.ShouldBeStatus[node] == "up":
self.incr("stopped")
ret = self.stop(node)
type="up->down"
# Give the cluster time to recognize it's gone...
time.sleep(self.CM["StableTime"])
elif self.CM.ShouldBeStatus[node] == "down":
self.incr("started")
ret = self.start(node)
type="down->up"
else:
return self.skipped()
self.incr(type)
if ret:
return self.success()
else:
return self.failure("%s failure" % type)
# Register FlipTest as a good test to run
AllTestClasses.append(FlipTest)
###################################################################
class RestartTest(CTSTest):
###################################################################
'''Stop and restart a node'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="Restart"
self.start = StartTest(cm)
self.stop = StopTest(cm)
self.benchmark = 1
def __call__(self, node):
'''Perform the 'restart' test. '''
self.incr("calls")
self.incr("node:" + node)
ret1 = 1
if self.CM.StataCM(node):
self.incr("WasStopped")
if not self.start(node):
return self.failure("start (setup) failure: "+node)
self.set_timer()
if not self.stop(node):
return self.failure("stop failure: "+node)
if not self.start(node):
return self.failure("start failure: "+node)
return self.success()
# Register RestartTest as a good test to run
AllTestClasses.append(RestartTest)
###################################################################
class StonithdTest(CTSTest):
###################################################################
def __init__(self, cm):
CTSTest.__init__(self, cm)
self.name="Stonithd"
self.startall = SimulStartLite(cm)
self.benchmark = 1
def __call__(self, node):
self.incr("calls")
if len(self.CM.Env["nodes"]) < 2:
return self.skipped()
ret = self.startall(None)
if not ret:
return self.failure("Setup failed")
is_dc = self.CM.is_node_dc(node)
watchpats = []
watchpats.append("log_operation: Operation .* for host '%s' with device .* returned: 0" % node)
watchpats.append("tengine_stonith_notify: Peer %s was terminated .*: OK" % node)
if is_dc:
watchpats.append("tengine_stonith_notify: Target was our leader .*%s" % node)
if self.CM.Env["LogWatcher"] != "remote" or not is_dc:
# Often remote logs aren't flushed to disk by the time the node is shot,
# so we wont be able to find them
# Remote syslog doesn't suffer this problem because they're already on
# the loghost when the node is shot
watchpats.append("Node %s will be fenced because termination was requested" % node)
watchpats.append("Scheduling Node %s for STONITH" % node)
watchpats.append("Executing .* fencing operation")
if self.CM.Env["at-boot"] == 0:
self.CM.debug("Expecting %s to stay down" % node)
self.CM.ShouldBeStatus[node]="down"
else:
self.CM.debug("Expecting %s to come up again %d" % (node, self.CM.Env["at-boot"]))
watchpats.append("%s .*do_state_transition: .* S_STARTING -> S_PENDING" % node)
watchpats.append("%s .*do_state_transition: .* S_PENDING -> S_NOT_DC" % node)
watch = self.create_watch(watchpats, 30 + self.CM["DeadTime"] + self.CM["StableTime"] + self.CM["StartTime"])
watch.setwatch()
self.CM.rsh(node, "crm_attribute --node %s --type status --attr-name terminate --attr-value true" % node)
self.set_timer("fence")
matched = watch.lookforall()
self.log_timer("fence")
self.set_timer("reform")
if watch.unmatched:
self.CM.log("Patterns not found: " + repr(watch.unmatched))
self.CM.debug("Waiting for the cluster to recover")
self.CM.cluster_stable()
self.CM.debug("Waiting STONITHd node to come back up")
self.CM.ns.WaitForAllNodesToComeUp(self.CM.Env["nodes"], 600)
self.CM.debug("Waiting for the cluster to re-stabilize with all nodes")
is_stable = self.CM.cluster_stable(self.CM["StartTime"])
if not matched:
return self.failure("Didn't find all expected patterns")
elif not is_stable:
return self.failure("Cluster did not become stable")
self.log_timer("reform")
return self.success()
def errorstoignore(self):
return [ "Executing .* fencing operation" ]
def is_applicable(self):
if not self.is_applicable_common():
return 0
if self.CM.Env.has_key("DoFencing"):
return self.CM.Env["DoFencing"]
return 1
AllTestClasses.append(StonithdTest)
###################################################################
class StartOnebyOne(CTSTest):
###################################################################
'''Start all the nodes ~ one by one'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="StartOnebyOne"
self.stopall = SimulStopLite(cm)
self.start = StartTest(cm)
self.ns=CTS.NodeStatus(cm.Env)
def __call__(self, dummy):
'''Perform the 'StartOnebyOne' test. '''
self.incr("calls")
# We ignore the "node" parameter...
# Shut down all the nodes...
ret = self.stopall(None)
if not ret:
return self.failure("Test setup failed")
failed=[]
self.set_timer()
for node in self.CM.Env["nodes"]:
if not self.start(node):
failed.append(node)
if len(failed) > 0:
return self.failure("Some node failed to start: " + repr(failed))
return self.success()
# Register StartOnebyOne as a good test to run
AllTestClasses.append(StartOnebyOne)
###################################################################
class SimulStart(CTSTest):
###################################################################
'''Start all the nodes ~ simultaneously'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="SimulStart"
self.stopall = SimulStopLite(cm)
self.startall = SimulStartLite(cm)
def __call__(self, dummy):
'''Perform the 'SimulStart' test. '''
self.incr("calls")
# We ignore the "node" parameter...
# Shut down all the nodes...
ret = self.stopall(None)
if not ret:
return self.failure("Setup failed")
self.CM.clear_all_caches()
if not self.startall(None):
return self.failure("Startall failed")
return self.success()
# Register SimulStart as a good test to run
AllTestClasses.append(SimulStart)
###################################################################
class SimulStop(CTSTest):
###################################################################
'''Stop all the nodes ~ simultaneously'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="SimulStop"
self.startall = SimulStartLite(cm)
self.stopall = SimulStopLite(cm)
def __call__(self, dummy):
'''Perform the 'SimulStop' test. '''
self.incr("calls")
# We ignore the "node" parameter...
# Start up all the nodes...
ret = self.startall(None)
if not ret:
return self.failure("Setup failed")
if not self.stopall(None):
return self.failure("Stopall failed")
return self.success()
# Register SimulStop as a good test to run
AllTestClasses.append(SimulStop)
###################################################################
class StopOnebyOne(CTSTest):
###################################################################
'''Stop all the nodes in order'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="StopOnebyOne"
self.startall = SimulStartLite(cm)
self.stop = StopTest(cm)
def __call__(self, dummy):
'''Perform the 'StopOnebyOne' test. '''
self.incr("calls")
# We ignore the "node" parameter...
# Start up all the nodes...
ret = self.startall(None)
if not ret:
return self.failure("Setup failed")
failed=[]
self.set_timer()
for node in self.CM.Env["nodes"]:
if not self.stop(node):
failed.append(node)
if len(failed) > 0:
return self.failure("Some node failed to stop: " + repr(failed))
self.CM.clear_all_caches()
return self.success()
# Register StopOnebyOne as a good test to run
AllTestClasses.append(StopOnebyOne)
###################################################################
class RestartOnebyOne(CTSTest):
###################################################################
'''Restart all the nodes in order'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="RestartOnebyOne"
self.startall = SimulStartLite(cm)
def __call__(self, dummy):
'''Perform the 'RestartOnebyOne' test. '''
self.incr("calls")
# We ignore the "node" parameter...
# Start up all the nodes...
ret = self.startall(None)
if not ret:
return self.failure("Setup failed")
did_fail=[]
self.set_timer()
self.restart = RestartTest(self.CM)
for node in self.CM.Env["nodes"]:
if not self.restart(node):
did_fail.append(node)
if did_fail:
return self.failure("Could not restart %d nodes: %s"
%(len(did_fail), repr(did_fail)))
return self.success()
# Register StopOnebyOne as a good test to run
AllTestClasses.append(RestartOnebyOne)
###################################################################
class PartialStart(CTSTest):
###################################################################
'''Start a node - but tell it to stop before it finishes starting up'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="PartialStart"
self.startall = SimulStartLite(cm)
self.stopall = SimulStopLite(cm)
self.stop = StopTest(cm)
#self.is_unsafe = 1
def __call__(self, node):
'''Perform the 'PartialStart' test. '''
self.incr("calls")
ret = self.stopall(None)
if not ret:
return self.failure("Setup failed")
# FIXME! This should use the CM class to get the pattern
# then it would be applicable in general
watchpats = []
watchpats.append("crmd.*Connecting to cluster infrastructure")
watch = self.create_watch(watchpats, self.CM["DeadTime"]+10)
watch.setwatch()
self.CM.StartaCMnoBlock(node)
ret = watch.lookforall()
if not ret:
self.CM.log("Patterns not found: " + repr(watch.unmatched))
return self.failure("Setup of %s failed" % node)
ret = self.stop(node)
if not ret:
return self.failure("%s did not stop in time" % node)
return self.success()
def errorstoignore(self):
'''Return list of errors which should be ignored'''
# We might do some fencing in the 2-node case if we make it up far enough
return [ """Executing reboot fencing operation""" ]
# Register StopOnebyOne as a good test to run
AllTestClasses.append(PartialStart)
#######################################################################
class StandbyTest(CTSTest):
#######################################################################
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="Standby"
self.benchmark = 1
self.start = StartTest(cm)
self.startall = SimulStartLite(cm)
# make sure the node is active
# set the node to standby mode
# check resources, none resource should be running on the node
# set the node to active mode
# check resouces, resources should have been migrated back (SHOULD THEY?)
def __call__(self, node):
self.incr("calls")
ret=self.startall(None)
if not ret:
return self.failure("Start all nodes failed")
self.CM.debug("Make sure node %s is active" % node)
if self.CM.StandbyStatus(node) != "off":
if not self.CM.SetStandbyMode(node, "off"):
return self.failure("can't set node %s to active mode" % node)
self.CM.cluster_stable()
status = self.CM.StandbyStatus(node)
if status != "off":
return self.failure("standby status of %s is [%s] but we expect [off]" % (node, status))
self.CM.debug("Getting resources running on node %s" % node)
rsc_on_node = self.CM.active_resources(node)
watchpats = []
watchpats.append("do_state_transition:.*input=I_PE_SUCCESS")
watch = self.create_watch(watchpats, self.CM["DeadTime"]+10)
watch.setwatch()
self.CM.debug("Setting node %s to standby mode" % node)
if not self.CM.SetStandbyMode(node, "on"):
return self.failure("can't set node %s to standby mode" % node)
self.set_timer("on")
ret = watch.lookforall()
if not ret:
self.CM.log("Patterns not found: " + repr(watch.unmatched))
self.CM.SetStandbyMode(node, "off")
return self.failure("cluster didn't react to standby change on %s" % node)
self.CM.cluster_stable()
status = self.CM.StandbyStatus(node)
if status != "on":
return self.failure("standby status of %s is [%s] but we expect [on]" % (node, status))
self.log_timer("on")
self.CM.debug("Checking resources")
bad_run = self.CM.active_resources(node)
if len(bad_run) > 0:
rc = self.failure("%s set to standby, %s is still running on it" % (node, repr(bad_run)))
self.CM.debug("Setting node %s to active mode" % node)
self.CM.SetStandbyMode(node, "off")
return rc
self.CM.debug("Setting node %s to active mode" % node)
if not self.CM.SetStandbyMode(node, "off"):
return self.failure("can't set node %s to active mode" % node)
self.set_timer("off")
self.CM.cluster_stable()
status = self.CM.StandbyStatus(node)
if status != "off":
return self.failure("standby status of %s is [%s] but we expect [off]" % (node, status))
self.log_timer("off")
return self.success()
AllTestClasses.append(StandbyTest)
#######################################################################
class ValgrindTest(CTSTest):
#######################################################################
'''Check for memory leaks'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="Valgrind"
self.stopall = SimulStopLite(cm)
self.startall = SimulStartLite(cm)
self.is_valgrind = 1
self.is_loop = 1
def setup(self, node):
self.incr("calls")
ret=self.stopall(None)
if not ret:
return self.failure("Stop all nodes failed")
# Enable valgrind
self.logPat = "/tmp/%s-*.valgrind" % self.name
self.CM.Env["valgrind-prefix"] = self.name
self.CM.rsh(node, "rm -f %s" % self.logPat, None)
ret=self.startall(None)
if not ret:
return self.failure("Start all nodes failed")
for node in self.CM.Env["nodes"]:
(rc, output) = self.CM.rsh(node, "ps u --ppid `pidofproc aisexec`", None)
for line in output:
self.CM.debug(line)
return self.success()
def teardown(self, node):
# Disable valgrind
self.CM.Env["valgrind-prefix"] = None
# Return all nodes to normal
ret=self.stopall(None)
if not ret:
return self.failure("Stop all nodes failed")
return self.success()
def find_leaks(self):
# Check for leaks
leaked = []
self.stop = StopTest(self.CM)
for node in self.CM.Env["nodes"]:
(rc, ps_out) = self.CM.rsh(node, "ps u --ppid `pidofproc aisexec`", None)
rc = self.stop(node)
if not rc:
self.failure("Couldn't shut down %s" % node)
rc = self.CM.rsh(node, "grep -e indirectly.*lost:.*[1-9] -e definitely.*lost:.*[1-9] -e (ERROR|error).*SUMMARY:.*[1-9].*errors %s" % self.logPat, 0)
if rc != 1:
leaked.append(node)
self.failure("Valgrind errors detected on %s" % node)
for line in ps_out:
self.CM.log(line)
(rc, output) = self.CM.rsh(node, "grep -e lost: -e SUMMARY: %s" % self.logPat, None)
for line in output:
self.CM.log(line)
(rc, output) = self.CM.rsh(node, "cat %s" % self.logPat, None)
for line in output:
self.CM.debug(line)
self.CM.rsh(node, "rm -f %s" % self.logPat, None)
return leaked
def __call__(self, node):
leaked = self.find_leaks()
if len(leaked) > 0:
return self.failure("Nodes %s leaked" % repr(leaked))
return self.success()
def errorstoignore(self):
'''Return list of errors which should be ignored'''
return [ """cib:.*readCibXmlFile:""", """HA_VALGRIND_ENABLED""" ]
#######################################################################
class StandbyLoopTest(ValgrindTest):
#######################################################################
'''Check for memory leaks by putting a node in and out of standby for an hour'''
def __init__(self, cm):
ValgrindTest.__init__(self,cm)
self.name="StandbyLoop"
def __call__(self, node):
lpc = 0
delay = 2
failed = 0
done=time.time() + self.CM.Env["loop-minutes"]*60
while time.time() <= done and not failed:
lpc = lpc + 1
time.sleep(delay)
if not self.CM.SetStandbyMode(node, "on"):
self.failure("can't set node %s to standby mode" % node)
failed = lpc
time.sleep(delay)
if not self.CM.SetStandbyMode(node, "off"):
self.failure("can't set node %s to active mode" % node)
failed = lpc
leaked = self.find_leaks()
if failed:
return self.failure("Iteration %d failed" % failed)
elif len(leaked) > 0:
return self.failure("Nodes %s leaked" % repr(leaked))
return self.success()
AllTestClasses.append(StandbyLoopTest)
##############################################################################
class BandwidthTest(CTSTest):
##############################################################################
# Tests should not be cluster-manager-specific
# If you need to find out cluster manager configuration to do this, then
# it should be added to the generic cluster manager API.
'''Test the bandwidth which heartbeat uses'''
def __init__(self, cm):
CTSTest.__init__(self, cm)
self.name = "Bandwidth"
self.start = StartTest(cm)
self.__setitem__("min",0)
self.__setitem__("max",0)
self.__setitem__("totalbandwidth",0)
self.tempfile = tempfile.mktemp(".cts")
self.startall = SimulStartLite(cm)
def __call__(self, node):
'''Perform the Bandwidth test'''
self.incr("calls")
if self.CM.upcount()<1:
return self.skipped()
Path = self.CM.InternalCommConfig()
if "ip" not in Path["mediatype"]:
return self.skipped()
port = Path["port"][0]
port = int(port)
ret = self.startall(None)
if not ret:
return self.failure("Test setup failed")
time.sleep(5) # We get extra messages right after startup.
fstmpfile = "/var/run/band_estimate"
dumpcmd = "tcpdump -p -n -c 102 -i any udp port %d > %s 2>&1" \
% (port, fstmpfile)
rc = self.CM.rsh(node, dumpcmd)
if rc == 0:
farfile = "root@%s:%s" % (node, fstmpfile)
self.CM.rsh.cp(farfile, self.tempfile)
Bandwidth = self.countbandwidth(self.tempfile)
if not Bandwidth:
self.CM.log("Could not compute bandwidth.")
return self.success()
intband = int(Bandwidth + 0.5)
self.CM.log("...bandwidth: %d bits/sec" % intband)
self.Stats["totalbandwidth"] = self.Stats["totalbandwidth"] + Bandwidth
if self.Stats["min"] == 0:
self.Stats["min"] = Bandwidth
if Bandwidth > self.Stats["max"]:
self.Stats["max"] = Bandwidth
if Bandwidth < self.Stats["min"]:
self.Stats["min"] = Bandwidth
self.CM.rsh(node, "rm -f %s" % fstmpfile)
os.unlink(self.tempfile)
return self.success()
else:
return self.failure("no response from tcpdump command [%d]!" % rc)
def countbandwidth(self, file):
fp = open(file, "r")
fp.seek(0)
count = 0
sum = 0
while 1:
line = fp.readline()
if not line:
return None
if re.search("udp",line) or re.search("UDP,", line):
count=count+1
linesplit = string.split(line," ")
for j in range(len(linesplit)-1):
if linesplit[j]=="udp": break
if linesplit[j]=="length:": break
try:
sum = sum + int(linesplit[j+1])
except ValueError:
self.CM.log("Invalid tcpdump line: %s" % line)
return None
T1 = linesplit[0]
timesplit = string.split(T1,":")
time2split = string.split(timesplit[2],".")
time1 = (long(timesplit[0])*60+long(timesplit[1]))*60+long(time2split[0])+long(time2split[1])*0.000001
break
while count < 100:
line = fp.readline()
if not line:
return None
if re.search("udp",line) or re.search("UDP,", line):
count = count+1
linessplit = string.split(line," ")
for j in range(len(linessplit)-1):
if linessplit[j] =="udp": break
if linesplit[j]=="length:": break
try:
sum=int(linessplit[j+1])+sum
except ValueError:
self.CM.log("Invalid tcpdump line: %s" % line)
return None
T2 = linessplit[0]
timesplit = string.split(T2,":")
time2split = string.split(timesplit[2],".")
time2 = (long(timesplit[0])*60+long(timesplit[1]))*60+long(time2split[0])+long(time2split[1])*0.000001
time = time2-time1
if (time <= 0):
return 0
return (sum*8)/time
def is_applicable(self):
'''BandwidthTest never applicable'''
return 0
AllTestClasses.append(BandwidthTest)
###################################################################
class ResourceRecover(CTSTest):
###################################################################
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="ResourceRecover"
self.start = StartTest(cm)
self.startall = SimulStartLite(cm)
self.max=30
self.rid=None
self.rid_alt=None
#self.is_unsafe = 1
self.benchmark = 1
# these are the values used for the new LRM API call
self.action = "asyncmon"
self.interval = 0
def __call__(self, node):
'''Perform the 'ResourceRecover' test. '''
self.incr("calls")
ret = self.startall(None)
if not ret:
return self.failure("Setup failed")
resourcelist = self.CM.active_resources(node)
# if there are no resourcelist, return directly
if len(resourcelist)==0:
self.CM.log("No active resources on %s" % node)
return self.skipped()
self.rid = self.CM.Env.RandomGen.choice(resourcelist)
self.rid_alt = self.rid
rsc = None
(rc, lines) = self.CM.rsh(node, "crm_resource -c", None)
for line in lines:
if re.search("^Resource", line):
tmp = AuditResource(self.CM, line)
if tmp.id == self.rid:
rsc = tmp
# Handle anonymous clones that get renamed
self.rid = rsc.clone_id
break
if not rsc:
return self.failure("Could not find %s in the resource list" % self.rid)
self.CM.debug("Shooting %s aka. %s" % (rsc.clone_id, rsc.id))
pats = []
pats.append("Updating failcount for %s on .* after .* %s"
% (self.rid, self.action))
if rsc.managed():
pats.append("te_rsc_command: Initiating action .* stop %s_stop_0" % self.rid)
if rsc.unique():
pats.append("te_rsc_command: Initiating action .* start %s_start_0" % self.rid)
pats.append("process_lrm_event: LRM operation %s_start_0.*confirmed.*ok" % self.rid)
else:
# Anonymous clones may get restarted with a different clone number
pats.append("te_rsc_command: Initiating action .* start .*_start_0")
pats.append("process_lrm_event: LRM operation .*_start_0.*confirmed.*ok")
watch = self.create_watch(pats, 60)
watch.setwatch()
self.CM.rsh(node, "crm_resource -F -r %s -H %s &>/dev/null" % (self.rid, node))
self.set_timer("recover")
watch.lookforall()
self.log_timer("recover")
self.CM.cluster_stable()
recovered=self.CM.ResourceLocation(self.rid)
if watch.unmatched:
return self.failure("Patterns not found: %s" % repr(watch.unmatched))
elif rsc.unique() and len(recovered) > 1:
return self.failure("%s is now active on more than one node: %s"%(self.rid, repr(recovered)))
elif len(recovered) > 0:
self.CM.debug("%s is running on: %s" %(self.rid, repr(recovered)))
elif rsc.managed():
return self.failure("%s was not recovered and is inactive" % self.rid)
return self.success()
def errorstoignore(self):
'''Return list of errors which should be ignored'''
return [ """Updating failcount for %s""" % self.rid,
"""LogActions: Recover %s""" % self.rid,
"""LogActions: Recover %s""" % self.rid_alt,
"""Unknown operation: fail""",
"""(ERROR|error): sending stonithRA op to stonithd failed.""",
"""(ERROR|error): process_lrm_event: LRM operation %s_%s_%d""" % (self.rid, self.action, self.interval),
"""(ERROR|error): process_graph_event: Action %s_%s_%d .* initiated outside of a transition""" % (self.rid, self.action, self.interval),
]
AllTestClasses.append(ResourceRecover)
###################################################################
class ComponentFail(CTSTest):
###################################################################
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="ComponentFail"
self.startall = SimulStartLite(cm)
self.complist = cm.Components()
self.patterns = []
self.okerrpatterns = []
self.is_unsafe = 1
def __call__(self, node):
'''Perform the 'ComponentFail' test. '''
self.incr("calls")
self.patterns = []
self.okerrpatterns = []
# start all nodes
ret = self.startall(None)
if not ret:
return self.failure("Setup failed")
if not self.CM.cluster_stable(self.CM["StableTime"]):
return self.failure("Setup failed - unstable")
node_is_dc = self.CM.is_node_dc(node, None)
# select a component to kill
chosen = self.CM.Env.RandomGen.choice(self.complist)
while chosen.dc_only == 1 and node_is_dc == 0:
chosen = self.CM.Env.RandomGen.choice(self.complist)
self.CM.debug("...component %s (dc=%d,boot=%d)" % (chosen.name, node_is_dc,chosen.triggersreboot))
self.incr(chosen.name)
if chosen.name != "aisexec":
if self.CM["Name"] != "crm-lha" or chosen.name != "pengine":
self.patterns.append(self.CM["Pat:ChildKilled"] %(node, chosen.name))
self.patterns.append(self.CM["Pat:ChildRespawn"] %(node, chosen.name))
self.patterns.extend(chosen.pats)
if node_is_dc:
self.patterns.extend(chosen.dc_pats)
# In an ideal world, this next stuff should be in the "chosen" object as a member function
if self.CM["Name"] == "crm-lha" and chosen.triggersreboot:
# Make sure the node goes down and then comes back up if it should reboot...
for other in self.CM.Env["nodes"]:
if other != node:
self.patterns.append(self.CM["Pat:They_stopped"] %(other, self.CM.key_for_node(node)))
self.patterns.append(self.CM["Pat:Slave_started"] % node)
self.patterns.append(self.CM["Pat:Local_started"] % node)
if chosen.dc_only:
# Sometimes these will be in the log, and sometimes they won't...
self.okerrpatterns.append("%s .*Process %s:.* exited" %(node, chosen.name))
self.okerrpatterns.append("%s .*I_ERROR.*crmdManagedChildDied" %node)
self.okerrpatterns.append("%s .*The %s subsystem terminated unexpectedly" %(node, chosen.name))
self.okerrpatterns.append("(ERROR|error): Client .* exited with return code")
else:
# Sometimes this won't be in the log...
self.okerrpatterns.append(self.CM["Pat:ChildKilled"] %(node, chosen.name))
self.okerrpatterns.append(self.CM["Pat:ChildRespawn"] %(node, chosen.name))
self.okerrpatterns.append(self.CM["Pat:ChildExit"])
# supply a copy so self.patterns doesnt end up empty
tmpPats = []
tmpPats.extend(self.patterns)
self.patterns.extend(chosen.badnews_ignore)
# Look for STONITH ops, depending on Env["at-boot"] we might need to change the nodes status
stonithPats = []
stonithPats.append(self.CM["Pat:They_fenced"] % node)
stonith = self.create_watch(stonithPats, 0)
stonith.setwatch()
# set the watch for stable
watch = self.create_watch(
tmpPats, self.CM["DeadTime"] + self.CM["StableTime"] + self.CM["StartTime"])
watch.setwatch()
# kill the component
chosen.kill(node)
# check to see Heartbeat noticed
matched = watch.lookforall(allow_multiple_matches=1)
if watch.unmatched:
self.CM.log("Patterns not found: " + repr(watch.unmatched))
if self.CM.Env["at-boot"] == 0:
self.CM.debug("Checking if %s was shot" % node)
shot = stonith.look(60)
if shot:
self.CM.debug("Found: "+ repr(shot))
self.CM.ShouldBeStatus[node]="down"
self.CM.debug("Waiting for the cluster to recover")
self.CM.cluster_stable()
self.CM.debug("Waiting for any STONITHd node to come back up")
self.CM.ns.WaitForAllNodesToComeUp(self.CM.Env["nodes"], 600)
self.CM.debug("Waiting for the cluster to re-stabilize with all nodes")
is_stable = self.CM.cluster_stable(self.CM["StartTime"])
if not matched:
return self.failure("Didn't find all expected patterns")
elif not is_stable:
return self.failure("Cluster did not become stable")
return self.success()
def errorstoignore(self):
'''Return list of errors which should be ignored'''
# Note that okerrpatterns refers to the last time we ran this test
# The good news is that this works fine for us...
self.okerrpatterns.extend(self.patterns)
return self.okerrpatterns
AllTestClasses.append(ComponentFail)
####################################################################
class SplitBrainTest(CTSTest):
####################################################################
'''It is used to test split-brain. when the path between the two nodes break
check the two nodes both take over the resource'''
def __init__(self,cm):
CTSTest.__init__(self,cm)
self.name = "SplitBrain"
self.start = StartTest(cm)
self.startall = SimulStartLite(cm)
self.is_experimental = 1
def isolate_partition(self, partition):
other_nodes = []
other_nodes.extend(self.CM.Env["nodes"])
for node in partition:
try:
other_nodes.remove(node)
except ValueError:
self.CM.log("Node "+node+" not in " + repr(self.CM.Env["nodes"]) + " from " +repr(partition))
if len(other_nodes) == 0:
return 1
self.CM.debug("Creating partition: " + repr(partition))
self.CM.debug("Everyone else: " + repr(other_nodes))
for node in partition:
if not self.CM.isolate_node(node, other_nodes):
self.CM.log("Could not isolate %s" % node)
return 0
return 1
def heal_partition(self, partition):
other_nodes = []
other_nodes.extend(self.CM.Env["nodes"])
for node in partition:
try:
other_nodes.remove(node)
except ValueError:
self.CM.log("Node "+node+" not in " + repr(self.CM.Env["nodes"]))
if len(other_nodes) == 0:
return 1
self.CM.debug("Healing partition: " + repr(partition))
self.CM.debug("Everyone else: " + repr(other_nodes))
for node in partition:
self.CM.unisolate_node(node, other_nodes)
def __call__(self, node):
'''Perform split-brain test'''
self.incr("calls")
self.passed = 1
partitions = {}
ret = self.startall(None)
if not ret:
return self.failure("Setup failed")
while 1:
# Retry until we get multiple partitions
partitions = {}
p_max = len(self.CM.Env["nodes"])
for node in self.CM.Env["nodes"]:
p = self.CM.Env.RandomGen.randint(1, p_max)
if not partitions.has_key(p):
partitions[p]= []
partitions[p].append(node)
p_max = len(partitions.keys())
if p_max > 1:
break
# else, try again
self.CM.debug("Created %d partitions" % p_max)
for key in partitions.keys():
self.CM.debug("Partition["+str(key)+"]:\t"+repr(partitions[key]))
# Disabling STONITH to reduce test complexity for now
self.CM.rsh(node, "crm_attribute -n stonith-enabled -v false")
for key in partitions.keys():
self.isolate_partition(partitions[key])
count = 30
while count > 0:
if len(self.CM.find_partitions()) != p_max:
time.sleep(10)
else:
break
else:
self.failure("Expected partitions were not created")
# Target number of partitions formed - wait for stability
if not self.CM.cluster_stable():
self.failure("Partitioned cluster not stable")
# Now audit the cluster state
self.CM.partitions_expected = p_max
if not self.audit():
self.failure("Audits failed")
self.CM.partitions_expected = 1
# And heal them again
for key in partitions.keys():
self.heal_partition(partitions[key])
# Wait for a single partition to form
count = 30
while count > 0:
if len(self.CM.find_partitions()) != 1:
time.sleep(10)
count -= 1
else:
break
else:
self.failure("Cluster did not reform")
# Wait for it to have the right number of members
count = 30
while count > 0:
members = []
partitions = self.CM.find_partitions()
if len(partitions) > 0:
members = partitions[0].split()
if len(members) != len(self.CM.Env["nodes"]):
time.sleep(10)
count -= 1
else:
break
else:
self.failure("Cluster did not completely reform")
# Wait up to 20 minutes - the delay is more preferable than
# trying to continue with in a messed up state
if not self.CM.cluster_stable(1200):
self.failure("Reformed cluster not stable")
answer = raw_input('Continue? [nY]')
if answer and answer == "n":
raise ValueError("Reformed cluster not stable")
# Turn fencing back on
if self.CM.Env["DoFencing"]:
self.CM.rsh(node, "crm_attribute -D -n stonith-enabled")
self.CM.cluster_stable()
if self.passed:
return self.success()
return self.failure("See previous errors")
def errorstoignore(self):
'''Return list of errors which are 'normal' and should be ignored'''
return [
"Another DC detected:",
"(ERROR|error): attrd_cib_callback: .*Application of an update diff failed",
"crmd_ha_msg_callback:.*not in our membership list",
"CRIT:.*node.*returning after partition",
]
def is_applicable(self):
if not self.is_applicable_common():
return 0
return len(self.CM.Env["nodes"]) > 2
AllTestClasses.append(SplitBrainTest)
####################################################################
class Reattach(CTSTest):
####################################################################
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="Reattach"
self.startall = SimulStartLite(cm)
self.restart1 = RestartTest(cm)
self.stopall = SimulStopLite(cm)
self.is_unsafe = 0 # Handled by canrunnow()
def setup(self, node):
attempt=0
if not self.startall(None):
return None
# Make sure we are really _really_ stable and that all
# resources, including those that depend on transient node
# attributes, are started
while not self.CM.cluster_stable(double_check=True):
if attempt < 5:
attempt += 1
self.CM.debug("Not stable yet, re-testing")
else:
self.CM.log("Cluster is not stable")
return None
return 1
def teardown(self, node):
# Make sure 'node' is up
start = StartTest(self.CM)
start(node)
is_managed = self.CM.rsh(node, "crm_attribute -GQ -t crm_config -n is-managed-default -d true", 1)
is_managed = is_managed[:-1] # Strip off the newline
if is_managed != "true":
self.CM.log("Attempting to re-enable resource management on %s (%s)" % (node, is_managed))
managed = self.create_watch(["is-managed-default"], 60)
managed.setwatch()
self.CM.rsh(node, "crm_attribute -D -n is-managed-default")
if not managed.lookforall():
self.CM.log("Patterns not found: " + repr(managed.unmatched))
self.CM.log("Could not re-enable resource management")
return 0
return 1
def canrunnow(self, node):
'''Return TRUE if we can meaningfully run right now'''
if self.find_ocfs2_resources(node):
self.CM.log("Detach/Reattach scenarios are not possible with OCFS2 services present")
return 0
return 1
def __call__(self, node):
self.incr("calls")
pats = []
managed = self.create_watch(["is-managed-default"], 60)
managed.setwatch()
self.CM.debug("Disable resource management")
self.CM.rsh(node, "crm_attribute -n is-managed-default -v false")
if not managed.lookforall():
self.CM.log("Patterns not found: " + repr(managed.unmatched))
return self.failure("Resource management not disabled")
pats = []
pats.append("te_rsc_command: Initiating action .* stop")
pats.append("te_rsc_command: Initiating action .* start")
pats.append("te_rsc_command: Initiating action .* promote")
pats.append("te_rsc_command: Initiating action .* demote")
pats.append("te_rsc_command: Initiating action .* migrate")
watch = self.create_watch(pats, 60, "ShutdownActivity")
watch.setwatch()
self.CM.debug("Shutting down the cluster")
ret = self.stopall(None)
if not ret:
self.CM.debug("Re-enable resource management")
self.CM.rsh(node, "crm_attribute -D -n is-managed-default")
return self.failure("Couldn't shut down the cluster")
self.CM.debug("Bringing the cluster back up")
ret = self.startall(None)
time.sleep(5) # allow ping to update the CIB
if not ret:
self.CM.debug("Re-enable resource management")
self.CM.rsh(node, "crm_attribute -D -n is-managed-default")
return self.failure("Couldn't restart the cluster")
if self.local_badnews("ResourceActivity:", watch):
self.CM.debug("Re-enable resource management")
self.CM.rsh(node, "crm_attribute -D -n is-managed-default")
return self.failure("Resources stopped or started during cluster restart")
watch = self.create_watch(pats, 60, "StartupActivity")
watch.setwatch()
managed = self.create_watch(["is-managed-default"], 60)
managed.setwatch()
self.CM.debug("Re-enable resource management")
self.CM.rsh(node, "crm_attribute -D -n is-managed-default")
if not managed.lookforall():
self.CM.log("Patterns not found: " + repr(managed.unmatched))
return self.failure("Resource management not enabled")
self.CM.cluster_stable()
# Ignore actions for STONITH resources
ignore = []
(rc, lines) = self.CM.rsh(node, "crm_resource -c", None)
for line in lines:
if re.search("^Resource", line):
r = AuditResource(self.CM, line)
if r.rclass == "stonith":
self.CM.debug("Ignoring: te_rsc_command: Initiating action .* start %s_.*_0" % r.id)
ignore.append("te_rsc_command: Initiating action .* start %s_.*_0" % r.id)
if self.local_badnews("ResourceActivity:", watch, ignore):
return self.failure("Resources stopped or started after resource management was re-enabled")
return ret
def errorstoignore(self):
'''Return list of errors which should be ignored'''
return [
"You may ignore this error if it is unmanaged.",
"pingd: .*(ERROR|error): send_ipc_message:",
"pingd: .*(ERROR|error): send_update:",
"lrmd: .*(ERROR|error): notify_client:",
]
def is_applicable(self):
if self.CM["Name"] == "crm-lha":
return None
return 1
AllTestClasses.append(Reattach)
####################################################################
class SpecialTest1(CTSTest):
####################################################################
'''Set up a custom test to cause quorum failure issues for Andrew'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="SpecialTest1"
self.startall = SimulStartLite(cm)
self.restart1 = RestartTest(cm)
self.stopall = SimulStopLite(cm)
def __call__(self, node):
'''Perform the 'SpecialTest1' test for Andrew. '''
self.incr("calls")
# Shut down all the nodes...
ret = self.stopall(None)
if not ret:
return self.failure("Could not stop all nodes")
# Start the selected node
ret = self.restart1(node)
if not ret:
return self.failure("Could not start "+node)
# Start all remaining nodes
ret = self.startall(None)
if not ret:
return self.failure("Could not start the remaining nodes")
return self.success()
AllTestClasses.append(SpecialTest1)
####################################################################
class HAETest(CTSTest):
####################################################################
'''Set up a custom test to cause quorum failure issues for Andrew'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="HAETest"
self.stopall = SimulStopLite(cm)
self.startall = SimulStartLite(cm)
self.is_loop = 1
def setup(self, node):
# Start all remaining nodes
ret = self.startall(None)
if not ret:
return self.failure("Couldn't start all nodes")
return self.success()
def teardown(self, node):
# Stop everything
ret = self.stopall(None)
if not ret:
return self.failure("Couldn't stop all nodes")
return self.success()
def wait_on_state(self, node, resource, expected_clones, attempts=240):
while attempts > 0:
active=0
(rc, lines) = self.CM.rsh(node, "crm_resource -r %s -W -Q" % resource, stdout=None)
# Hack until crm_resource does the right thing
if rc == 0 and lines:
active = len(lines)
if len(lines) == expected_clones:
return 1
elif rc == 1:
self.CM.debug("Resource %s is still inactive" % resource)
elif rc == 234:
self.CM.log("Unknown resource %s" % resource)
return 0
elif rc == 246:
self.CM.log("Cluster is inactive")
return 0
elif rc != 0:
self.CM.log("Call to crm_resource failed, rc=%d" % rc)
return 0
else:
self.CM.debug("Resource %s is active on %d times instead of %d" % (resource, active, expected_clones))
attempts -= 1
time.sleep(1)
return 0
def find_dlm(self, node):
self.r_dlm = None
(rc, lines) = self.CM.rsh(node, "crm_resource -c", None)
for line in lines:
if re.search("^Resource", line):
r = AuditResource(self.CM, line)
if r.rtype == "controld" and r.parent != "NA":
self.CM.debug("Found dlm: %s" % self.r_dlm)
self.r_dlm = r.parent
return 1
return 0
def find_hae_resources(self, node):
self.r_dlm = None
self.r_o2cb = None
self.r_ocfs2 = []
if self.find_dlm(node):
self.find_ocfs2_resources(node)
def is_applicable(self):
if not self.is_applicable_common():
return 0
if self.CM.Env["Schema"] == "hae":
return 1
return None
####################################################################
class HAERoleTest(HAETest):
####################################################################
def __init__(self, cm):
'''Lars' mount/unmount test for the HA extension. '''
HAETest.__init__(self,cm)
self.name="HAERoleTest"
def change_state(self, node, resource, target):
rc = self.CM.rsh(node, "crm_resource -r %s -p target-role -v %s --meta" % (resource, target))
return rc
def __call__(self, node):
self.incr("calls")
lpc = 0
failed = 0
delay = 2
done=time.time() + self.CM.Env["loop-minutes"]*60
self.find_hae_resources(node)
clone_max = len(self.CM.Env["nodes"])
while time.time() <= done and not failed:
lpc = lpc + 1
self.change_state(node, self.r_dlm, "Stopped")
if not self.wait_on_state(node, self.r_dlm, 0):
self.failure("%s did not go down correctly" % self.r_dlm)
failed = lpc
self.change_state(node, self.r_dlm, "Started")
if not self.wait_on_state(node, self.r_dlm, clone_max):
self.failure("%s did not come up correctly" % self.r_dlm)
failed = lpc
if not self.wait_on_state(node, self.r_o2cb, clone_max):
self.failure("%s did not come up correctly" % self.r_o2cb)
failed = lpc
for fs in self.r_ocfs2:
if not self.wait_on_state(node, fs, clone_max):
self.failure("%s did not come up correctly" % fs)
failed = lpc
if failed:
return self.failure("iteration %d failed" % failed)
return self.success()
AllTestClasses.append(HAERoleTest)
####################################################################
class HAEStandbyTest(HAETest):
####################################################################
'''Set up a custom test to cause quorum failure issues for Andrew'''
def __init__(self, cm):
HAETest.__init__(self,cm)
self.name="HAEStandbyTest"
def change_state(self, node, resource, target):
rc = self.CM.rsh(node, "crm_standby -l reboot -v %s" % (target))
return rc
def __call__(self, node):
self.incr("calls")
lpc = 0
failed = 0
done=time.time() + self.CM.Env["loop-minutes"]*60
self.find_hae_resources(node)
clone_max = len(self.CM.Env["nodes"])
while time.time() <= done and not failed:
lpc = lpc + 1
self.change_state(node, self.r_dlm, "true")
if not self.wait_on_state(node, self.r_dlm, clone_max-1):
self.failure("%s did not go down correctly" % self.r_dlm)
failed = lpc
self.change_state(node, self.r_dlm, "false")
if not self.wait_on_state(node, self.r_dlm, clone_max):
self.failure("%s did not come up correctly" % self.r_dlm)
failed = lpc
if not self.wait_on_state(node, self.r_o2cb, clone_max):
self.failure("%s did not come up correctly" % self.r_o2cb)
failed = lpc
for fs in self.r_ocfs2:
if not self.wait_on_state(node, fs, clone_max):
self.failure("%s did not come up correctly" % fs)
failed = lpc
if failed:
return self.failure("iteration %d failed" % failed)
return self.success()
AllTestClasses.append(HAEStandbyTest)
###################################################################
class NearQuorumPointTest(CTSTest):
###################################################################
'''
This test brings larger clusters near the quorum point (50%).
In addition, it will test doing starts and stops at the same time.
Here is how I think it should work:
- loop over the nodes and decide randomly which will be up and which
will be down Use a 50% probability for each of up/down.
- figure out what to do to get into that state from the current state
- in parallel, bring up those going up and bring those going down.
'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="NearQuorumPoint"
def __call__(self, dummy):
'''Perform the 'NearQuorumPoint' test. '''
self.incr("calls")
startset = []
stopset = []
#decide what to do with each node
for node in self.CM.Env["nodes"]:
action = self.CM.Env.RandomGen.choice(["start","stop"])
#action = self.CM.Env.RandomGen.choice(["start","stop","no change"])
if action == "start" :
startset.append(node)
elif action == "stop" :
stopset.append(node)
self.CM.debug("start nodes:" + repr(startset))
self.CM.debug("stop nodes:" + repr(stopset))
#add search patterns
watchpats = [ ]
for node in stopset:
if self.CM.ShouldBeStatus[node] == "up":
watchpats.append(self.CM["Pat:We_stopped"] % node)
for node in startset:
if self.CM.ShouldBeStatus[node] == "down":
#watchpats.append(self.CM["Pat:Slave_started"] % node)
watchpats.append(self.CM["Pat:Local_started"] % node)
else:
for stopping in stopset:
if self.CM.ShouldBeStatus[stopping] == "up":
watchpats.append(self.CM["Pat:They_stopped"] % (node, self.CM.key_for_node(stopping)))
if len(watchpats) == 0:
return self.skipped()
if len(startset) != 0:
watchpats.append(self.CM["Pat:DC_IDLE"])
watch = self.create_watch(watchpats, self.CM["DeadTime"]+10)
watch.setwatch()
#begin actions
for node in stopset:
if self.CM.ShouldBeStatus[node] == "up":
self.CM.StopaCMnoBlock(node)
for node in startset:
if self.CM.ShouldBeStatus[node] == "down":
self.CM.StartaCMnoBlock(node)
#get the result
if watch.lookforall():
self.CM.cluster_stable()
return self.success()
self.CM.log("Warn: Patterns not found: " + repr(watch.unmatched))
#get the "bad" nodes
upnodes = []
for node in stopset:
if self.CM.StataCM(node) == 1:
upnodes.append(node)
downnodes = []
for node in startset:
if self.CM.StataCM(node) == 0:
downnodes.append(node)
if upnodes == [] and downnodes == []:
self.CM.cluster_stable()
# Make sure they're completely down with no residule
for node in stopset:
self.CM.rsh(node, self.CM["StopCmd"])
return self.success()
if len(upnodes) > 0:
self.CM.log("Warn: Unstoppable nodes: " + repr(upnodes))
if len(downnodes) > 0:
self.CM.log("Warn: Unstartable nodes: " + repr(downnodes))
return self.failure()
AllTestClasses.append(NearQuorumPointTest)
###################################################################
class RollingUpgradeTest(CTSTest):
###################################################################
'''Perform a rolling upgrade of the cluster'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="RollingUpgrade"
self.start = StartTest(cm)
self.stop = StopTest(cm)
self.stopall = SimulStopLite(cm)
self.startall = SimulStartLite(cm)
def setup(self, node):
# Start all remaining nodes
ret = self.stopall(None)
if not ret:
return self.failure("Couldn't stop all nodes")
for node in self.CM.Env["nodes"]:
if not self.downgrade(node, None):
return self.failure("Couldn't downgrade %s" % node)
ret = self.startall(None)
if not ret:
return self.failure("Couldn't start all nodes")
return self.success()
def teardown(self, node):
# Stop everything
ret = self.stopall(None)
if not ret:
return self.failure("Couldn't stop all nodes")
for node in self.CM.Env["nodes"]:
if not self.upgrade(node, None):
return self.failure("Couldn't upgrade %s" % node)
return self.success()
def install(self, node, version, start=1, flags="--force"):
target_dir = "/tmp/rpm-%s" % version
src_dir = "%s/%s" % (self.CM.Env["rpm-dir"], version)
self.CM.log("Installing %s on %s with %s" % (version, node, flags))
if not self.stop(node):
return self.failure("stop failure: "+node)
rc = self.CM.rsh(node, "mkdir -p %s" % target_dir)
rc = self.CM.rsh(node, "rm -f %s/*.rpm" % target_dir)
(rc, lines) = self.CM.rsh(node, "ls -1 %s/*.rpm" % src_dir, None)
for line in lines:
line = line[:-1]
rc = self.CM.rsh.cp("%s" % (line), "%s:%s/" % (node, target_dir))
rc = self.CM.rsh(node, "rpm -Uvh %s %s/*.rpm" % (flags, target_dir))
if start and not self.start(node):
return self.failure("start failure: "+node)
return self.success()
def upgrade(self, node, start=1):
return self.install(node, self.CM.Env["current-version"], start)
def downgrade(self, node, start=1):
return self.install(node, self.CM.Env["previous-version"], start, "--force --nodeps")
def __call__(self, node):
'''Perform the 'Rolling Upgrade' test. '''
self.incr("calls")
for node in self.CM.Env["nodes"]:
if self.upgrade(node):
return self.failure("Couldn't upgrade %s" % node)
self.CM.cluster_stable()
return self.success()
def is_applicable(self):
if not self.is_applicable_common():
return None
if not self.CM.Env.has_key("rpm-dir"):
return None
if not self.CM.Env.has_key("current-version"):
return None
if not self.CM.Env.has_key("previous-version"):
return None
return 1
# Register RestartTest as a good test to run
AllTestClasses.append(RollingUpgradeTest)
###################################################################
class BSC_AddResource(CTSTest):
###################################################################
'''Add a resource to the cluster'''
def __init__(self, cm):
CTSTest.__init__(self, cm)
self.name="AddResource"
self.resource_offset = 0
self.cib_cmd="""cibadmin -C -o %s -X '%s' """
def __call__(self, node):
self.incr("calls")
self.resource_offset = self.resource_offset + 1
r_id = "bsc-rsc-%s-%d" % (node, self.resource_offset)
start_pat = "crmd.*%s_start_0.*confirmed.*ok"
patterns = []
patterns.append(start_pat % r_id)
watch = self.create_watch(patterns, self.CM["DeadTime"])
watch.setwatch()
fields = string.split(self.CM.Env["IPBase"], '.')
fields[3] = str(int(fields[3])+1)
ip = string.join(fields, '.')
self.CM.Env["IPBase"] = ip
if not self.make_ip_resource(node, r_id, "ocf", "IPaddr", ip):
return self.failure("Make resource %s failed" % r_id)
failed = 0
watch_result = watch.lookforall()
if watch.unmatched:
for regex in watch.unmatched:
self.CM.log ("Warn: Pattern not found: %s" % (regex))
failed = 1
if failed:
return self.failure("Resource pattern(s) not found")
if not self.CM.cluster_stable(self.CM["DeadTime"]):
return self.failure("Unstable cluster")
return self.success()
def make_ip_resource(self, node, id, rclass, type, ip):
self.CM.log("Creating %s::%s:%s (%s) on %s" % (rclass,type,id,ip,node))
rsc_xml="""
<primitive id="%s" class="%s" type="%s" provider="heartbeat">
<instance_attributes id="%s"><attributes>
<nvpair id="%s" name="ip" value="%s"/>
</attributes></instance_attributes>
</primitive>""" % (id, rclass, type, id, id, ip)
node_constraint="""
<rsc_location id="run_%s" rsc="%s">
<rule id="pref_run_%s" score="100">
<expression id="%s_loc_expr" attribute="#uname" operation="eq" value="%s"/>
</rule>
</rsc_location>""" % (id, id, id, id, node)
rc = 0
(rc, lines) = self.CM.rsh(node, self.cib_cmd % ("constraints", node_constraint), None)
if rc != 0:
self.CM.log("Constraint creation failed: %d" % rc)
return None
(rc, lines) = self.CM.rsh(node, self.cib_cmd % ("resources", rsc_xml), None)
if rc != 0:
self.CM.log("Resource creation failed: %d" % rc)
return None
return 1
def is_applicable(self):
if self.CM.Env["DoBSC"]:
return 1
return None
AllTestClasses.append(BSC_AddResource)
class SimulStopLite(CTSTest):
###################################################################
'''Stop any active nodes ~ simultaneously'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="SimulStopLite"
def __call__(self, dummy):
'''Perform the 'SimulStopLite' setup work. '''
self.incr("calls")
self.CM.debug("Setup: " + self.name)
# We ignore the "node" parameter...
watchpats = [ ]
for node in self.CM.Env["nodes"]:
if self.CM.ShouldBeStatus[node] == "up":
self.incr("WasStarted")
watchpats.append(self.CM["Pat:We_stopped"] % node)
#if self.CM.Env["use_logd"]:
# watchpats.append(self.CM["Pat:Logd_stopped"] % node)
if len(watchpats) == 0:
self.CM.clear_all_caches()
return self.success()
# Stop all the nodes - at about the same time...
watch = self.create_watch(watchpats, self.CM["DeadTime"]+10)
watch.setwatch()
self.set_timer()
for node in self.CM.Env["nodes"]:
if self.CM.ShouldBeStatus[node] == "up":
self.CM.StopaCMnoBlock(node)
if watch.lookforall():
self.CM.clear_all_caches()
# Make sure they're completely down with no residule
for node in self.CM.Env["nodes"]:
self.CM.rsh(node, self.CM["StopCmd"])
return self.success()
did_fail=0
up_nodes = []
for node in self.CM.Env["nodes"]:
if self.CM.StataCM(node) == 1:
did_fail=1
up_nodes.append(node)
if did_fail:
return self.failure("Active nodes exist: " + repr(up_nodes))
self.CM.log("Warn: All nodes stopped but CTS didnt detect: "
+ repr(watch.unmatched))
self.CM.clear_all_caches()
return self.failure("Missing log message: "+repr(watch.unmatched))
def is_applicable(self):
'''SimulStopLite is a setup test and never applicable'''
return 0
###################################################################
class SimulStartLite(CTSTest):
###################################################################
'''Start any stopped nodes ~ simultaneously'''
def __init__(self, cm):
CTSTest.__init__(self,cm)
self.name="SimulStartLite"
def __call__(self, dummy):
'''Perform the 'SimulStartList' setup work. '''
self.incr("calls")
self.CM.debug("Setup: " + self.name)
# We ignore the "node" parameter...
node_list = []
for node in self.CM.Env["nodes"]:
if self.CM.ShouldBeStatus[node] == "down":
self.incr("WasStopped")
node_list.append(node)
self.set_timer()
while len(node_list) > 0:
watchpats = [ ]
uppat = self.CM["Pat:Slave_started"]
if self.CM.upcount() == 0:
uppat = self.CM["Pat:Local_started"]
watchpats.append(self.CM["Pat:DC_IDLE"])
for node in node_list:
watchpats.append(uppat % node)
# Start all the nodes - at about the same time...
watch = self.create_watch(watchpats, self.CM["DeadTime"]+10)
watch.setwatch()
stonith = self.CM.prepare_fencing_watcher(self.name)
for node in node_list:
self.CM.StartaCMnoBlock(node)
watch.lookforall()
node_list = self.CM.fencing_cleanup(self.name, stonith)
# Remove node_list messages from watch.unmatched
for node in node_list:
if watch.unmatched:
watch.unmatched.remove(uppat % node)
if watch.unmatched:
for regex in watch.unmatched:
self.CM.log ("Warn: Startup pattern not found: %s" %(regex))
if not self.CM.cluster_stable():
return self.failure("Cluster did not stabilize")
did_fail=0
unstable = []
for node in self.CM.Env["nodes"]:
if self.CM.StataCM(node) == 0:
did_fail=1
unstable.append(node)
if did_fail:
return self.failure("Unstarted nodes exist: " + repr(unstable))
unstable = []
for node in self.CM.Env["nodes"]:
if not self.CM.node_stable(node):
did_fail=1
unstable.append(node)
if did_fail:
return self.failure("Unstable cluster nodes exist: " + repr(unstable))
return self.success()
def is_applicable(self):
'''SimulStartLite is a setup test and never applicable'''
return 0
def TestList(cm, audits):
result = []
for testclass in AllTestClasses:
bound_test = testclass(cm)
if bound_test.is_applicable():
bound_test.Audits = audits
result.append(bound_test)
return result
# vim:ts=4:sw=4:et:
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