diff --git a/cts/lab/CTSscenarios.py b/cts/lab/CTSscenarios.py index f02b7581ff..178ef9288c 100644 --- a/cts/lab/CTSscenarios.py +++ b/cts/lab/CTSscenarios.py @@ -1,562 +1,562 @@ """ Test scenario classes for Pacemaker's Cluster Test Suite (CTS) """ __copyright__ = "Copyright 2000-2023 the Pacemaker project contributors" __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY" import os import re import sys import time from pacemaker._cts.audits import ClusterAudit from pacemaker._cts.tests.base import CTSTest from pacemaker._cts.watcher import LogWatcher class ScenarioComponent(object): def __init__(self, Env): self.Env = Env def IsApplicable(self): '''Return True if the current ScenarioComponent is applicable in the given LabEnvironment given to the constructor. ''' raise ValueError("Abstract Class member (IsApplicable)") def SetUp(self, CM): '''Set up the given ScenarioComponent''' raise ValueError("Abstract Class member (Setup)") def TearDown(self, CM): '''Tear down (undo) the given ScenarioComponent''' raise ValueError("Abstract Class member (Setup)") class Scenario(object): ( '''The basic idea of a scenario is that of an ordered list of ScenarioComponent objects. Each ScenarioComponent is SetUp() in turn, and then after the tests have been run, they are torn down using TearDown() (in reverse order). A Scenario is applicable to a particular cluster manager iff each ScenarioComponent is applicable. A partially set up scenario is torn down if it fails during setup. ''') def __init__(self, ClusterManager, Components, Audits, Tests): "Initialize the Scenario from the list of ScenarioComponents" self.ClusterManager = ClusterManager self.Components = Components self.Audits = Audits self.Tests = Tests self.BadNews = None self.TestSets = [] self.Stats = {"success":0, "failure":0, "BadNews":0, "skipped":0} self.Sets = [] #self.ns=CTS.NodeStatus(self.Env) for comp in Components: if not issubclass(comp.__class__, ScenarioComponent): raise ValueError("Init value must be subclass of ScenarioComponent") for audit in Audits: if not issubclass(audit.__class__, ClusterAudit): raise ValueError("Init value must be subclass of ClusterAudit") for test in Tests: if not issubclass(test.__class__, CTSTest): raise ValueError("Init value must be a subclass of CTSTest") def IsApplicable(self): ( '''A Scenario IsApplicable() iff each of its ScenarioComponents IsApplicable() ''' ) for comp in self.Components: if not comp.IsApplicable(): return None return True def SetUp(self): '''Set up the Scenario. Return TRUE on success.''' self.ClusterManager.prepare() self.audit() # Also detects remote/local log config self.ClusterManager.ns.wait_for_all_nodes(self.ClusterManager.Env["nodes"]) self.audit() self.ClusterManager.install_support() self.BadNews = LogWatcher(self.ClusterManager.Env["LogFileName"], self.ClusterManager.templates.get_patterns("BadNews"), self.ClusterManager.Env["nodes"], self.ClusterManager.Env["LogWatcher"], "BadNews", 0) self.BadNews.set_watch() # Call after we've figured out what type of log watching to do in LogAudit j = 0 while j < len(self.Components): if not self.Components[j].SetUp(self.ClusterManager): # OOPS! We failed. Tear partial setups down. self.audit() self.ClusterManager.log("Tearing down partial setup") self.TearDown(j) return None j = j + 1 self.audit() return 1 def TearDown(self, max=None): '''Tear Down the Scenario - in reverse order.''' if max == None: max = len(self.Components)-1 j = max while j >= 0: self.Components[j].TearDown(self.ClusterManager) j = j - 1 self.audit() self.ClusterManager.install_support("uninstall") def incr(self, name): '''Increment (or initialize) the value associated with the given name''' if not name in self.Stats: self.Stats[name] = 0 self.Stats[name] = self.Stats[name]+1 def run(self, Iterations): self.ClusterManager.oprofileStart() try: self.run_loop(Iterations) self.ClusterManager.oprofileStop() except: self.ClusterManager.oprofileStop() raise def run_loop(self, Iterations): raise ValueError("Abstract Class member (run_loop)") def run_test(self, test, testcount): nodechoice = self.ClusterManager.Env.random_node() ret = 1 where = "" did_run = 0 self.ClusterManager.instance_errorstoignore_clear() self.ClusterManager.log(("Running test %s" % test.name).ljust(35) + (" (%s) " % nodechoice).ljust(15) + "[" + ("%d" % testcount).rjust(3) + "]") starttime = test.set_timer() if not test.setup(nodechoice): self.ClusterManager.log("Setup failed") ret = 0 elif not test.can_run_now(nodechoice): self.ClusterManager.log("Skipped") test.skipped() else: did_run = 1 ret = test(nodechoice) if not test.teardown(nodechoice): self.ClusterManager.log("Teardown failed") if self.ClusterManager.Env["continue"]: answer = "Y" else: try: answer = input('Continue? [nY]') except EOFError as e: answer = "n" if answer and answer == "n": raise ValueError("Teardown of %s on %s failed" % (test.name, nodechoice)) ret = 0 stoptime = time.time() self.ClusterManager.oprofileSave(testcount) elapsed_time = stoptime - starttime test_time = stoptime - test.get_timer() - if not test["min_time"]: - test["elapsed_time"] = elapsed_time - test["min_time"] = test_time - test["max_time"] = test_time + if "min_time" not in test.stats: + test.stats["elapsed_time"] = elapsed_time + test.stats["min_time"] = test_time + test.stats["max_time"] = test_time else: - test["elapsed_time"] = test["elapsed_time"] + elapsed_time - if test_time < test["min_time"]: - test["min_time"] = test_time - if test_time > test["max_time"]: - test["max_time"] = test_time + test.stats["elapsed_time"] = test.stats["elapsed_time"] + elapsed_time + if test_time < test.stats["min_time"]: + test.stats["min_time"] = test_time + if test_time > test.stats["max_time"]: + test.stats["max_time"] = test_time if ret: self.incr("success") test.log_timer() else: self.incr("failure") self.ClusterManager.statall() did_run = 1 # Force the test count to be incremented anyway so test extraction works self.audit(test.errors_to_ignore) return did_run def summarize(self): self.ClusterManager.log("****************") self.ClusterManager.log("Overall Results:" + repr(self.Stats)) self.ClusterManager.log("****************") stat_filter = { "calls":0, "failure":0, "skipped":0, "auditfail":0, } self.ClusterManager.log("Test Summary") for test in self.Tests: for key in list(stat_filter.keys()): - stat_filter[key] = test.Stats[key] + stat_filter[key] = test.stats[key] self.ClusterManager.log(("Test %s: "%test.name).ljust(25) + " %s"%repr(stat_filter)) self.ClusterManager.debug("Detailed Results") for test in self.Tests: - self.ClusterManager.debug(("Test %s: "%test.name).ljust(25) + " %s"%repr(test.Stats)) + self.ClusterManager.debug(("Test %s: "%test.name).ljust(25) + " %s"%repr(test.stats)) self.ClusterManager.log("<<<<<<<<<<<<<<<< TESTS COMPLETED") def audit(self, LocalIgnore=[]): errcount = 0 ignorelist = [] ignorelist.append("CTS:") ignorelist.extend(LocalIgnore) ignorelist.extend(self.ClusterManager.errorstoignore()) ignorelist.extend(self.ClusterManager.instance_errorstoignore()) # This makes sure everything is stabilized before starting... failed = 0 for audit in self.Audits: if not audit(): self.ClusterManager.log("Audit " + audit.name + " FAILED.") failed += 1 else: self.ClusterManager.debug("Audit " + audit.name + " passed.") while errcount < 1000: match = None if self.BadNews: match = self.BadNews.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.ClusterManager.log("BadNews: " + match) self.incr("BadNews") errcount = errcount + 1 else: break else: if self.ClusterManager.Env["continue"]: answer = "Y" else: try: answer = input('Big problems. Continue? [nY]') except EOFError as e: answer = "n" if answer and answer == "n": self.ClusterManager.log("Shutting down.") self.summarize() self.TearDown() raise ValueError("Looks like we hit a BadNews jackpot!") if self.BadNews: self.BadNews.end() return failed class AllOnce(Scenario): '''Every Test Once''' # Accessable as __doc__ def run_loop(self, Iterations): testcount = 1 for test in self.Tests: self.run_test(test, testcount) testcount += 1 class RandomTests(Scenario): '''Random Test Execution''' def run_loop(self, Iterations): testcount = 1 while testcount <= Iterations: test = self.ClusterManager.Env.random_gen.choice(self.Tests) self.run_test(test, testcount) testcount += 1 class BasicSanity(Scenario): '''Basic Cluster Sanity''' def run_loop(self, Iterations): testcount = 1 while testcount <= Iterations: test = self.Environment.random_gen.choice(self.Tests) self.run_test(test, testcount) testcount += 1 class Sequence(Scenario): '''Named Tests in Sequence''' def run_loop(self, Iterations): testcount = 1 while testcount <= Iterations: for test in self.Tests: self.run_test(test, testcount) testcount += 1 class Boot(Scenario): '''Start the Cluster''' def run_loop(self, Iterations): testcount = 0 class BootCluster(ScenarioComponent): ( '''BootCluster is the most basic of ScenarioComponents. This ScenarioComponent simply starts the cluster manager on all the nodes. It is fairly robust as it waits for all nodes to come up before starting as they might have been rebooted or crashed for some reason beforehand. ''') def __init__(self, Env): pass def IsApplicable(self): '''BootCluster is so generic it is always Applicable''' return True def SetUp(self, CM): '''Basic Cluster Manager startup. Start everything''' CM.prepare() # Clear out the cobwebs ;-) CM.stopall(verbose=True, force=True) # Now start the Cluster Manager on all the nodes. CM.log("Starting Cluster Manager on all nodes.") return CM.startall(verbose=True, quick=True) def TearDown(self, CM, force=False): '''Set up the given ScenarioComponent''' # Stop the cluster manager everywhere CM.log("Stopping Cluster Manager on all nodes") return CM.stopall(verbose=True, force=force) class LeaveBooted(BootCluster): def TearDown(self, CM): '''Set up the given ScenarioComponent''' # Stop the cluster manager everywhere CM.log("Leaving Cluster running on all nodes") return 1 class PingFest(ScenarioComponent): ( '''PingFest does a flood ping to each node in the cluster from the test machine. If the LabEnvironment Parameter PingSize is set, it will be used as the size of ping packet requested (via the -s option). If it is not set, it defaults to 1024 bytes. According to the manual page for ping: Outputs packets as fast as they come back or one hundred times per second, whichever is more. For every ECHO_REQUEST sent a period ``.'' is printed, while for every ECHO_REPLY received a backspace is printed. This provides a rapid display of how many packets are being dropped. Only the super-user may use this option. This can be very hard on a net- work and should be used with caution. ''' ) def __init__(self, Env): self.Env = Env def IsApplicable(self): '''PingFests are always applicable ;-) ''' return True def SetUp(self, CM): '''Start the PingFest!''' self.PingSize = 1024 if "PingSize" in list(CM.Env.keys()): self.PingSize = CM.Env["PingSize"] CM.log("Starting %d byte flood pings" % self.PingSize) self.PingPids = [] for node in CM.Env["nodes"]: self.PingPids.append(self._pingchild(node)) CM.log("Ping PIDs: " + repr(self.PingPids)) return 1 def TearDown(self, CM): '''Stop it right now! My ears are pinging!!''' for pid in self.PingPids: if pid != None: CM.log("Stopping ping process %d" % pid) os.kill(pid, signal.SIGKILL) def _pingchild(self, node): Args = ["ping", "-qfn", "-s", str(self.PingSize), node] sys.stdin.flush() sys.stdout.flush() sys.stderr.flush() pid = os.fork() if pid < 0: self.Env.log("Cannot fork ping child") return None if pid > 0: return pid # Otherwise, we're the child process. os.execvp("ping", Args) self.Env.log("Cannot execvp ping: " + repr(Args)) sys.exit(1) class BasicSanityCheck(ScenarioComponent): ( ''' ''') def IsApplicable(self): return self.Env["DoBSC"] def SetUp(self, CM): CM.prepare() # Clear out the cobwebs self.TearDown(CM) # Now start the Cluster Manager on all the nodes. CM.log("Starting Cluster Manager on BSC node(s).") return CM.startall() def TearDown(self, CM): CM.log("Stopping Cluster Manager on BSC node(s).") return CM.stopall() class Benchmark(ScenarioComponent): ( ''' ''') def IsApplicable(self): return self.Env["benchmark"] def SetUp(self, CM): CM.prepare() # Clear out the cobwebs self.TearDown(CM, force=True) # Now start the Cluster Manager on all the nodes. CM.log("Starting Cluster Manager on all node(s).") return CM.startall() def TearDown(self, CM): CM.log("Stopping Cluster Manager on all node(s).") return CM.stopall() class RollingUpgrade(ScenarioComponent): ( ''' Test a rolling upgrade between two versions of the stack ''') def __init__(self, Env): self.Env = Env def IsApplicable(self): if not self.Env["rpm-dir"]: return None if not self.Env["current-version"]: return None if not self.Env["previous-version"]: return None return True def install(self, node, version): target_dir = "/tmp/rpm-%s" % version src_dir = "%s/%s" % (self.CM.Env["rpm-dir"], version) self.CM.rsh(node, "mkdir -p %s" % target_dir) rc = self.CM.cp("%s/*.rpm %s:%s" % (src_dir, node, target_dir)) self.CM.rsh(node, "rpm -Uvh --force %s/*.rpm" % (target_dir)) return self.success() def upgrade(self, node): return self.install(node, self.CM.Env["current-version"]) def downgrade(self, node): return self.install(node, self.CM.Env["previous-version"]) def SetUp(self, CM): print(repr(self)+"prepare") CM.prepare() # Clear out the cobwebs CM.stopall(force=True) CM.log("Downgrading all nodes to %s." % self.Env["previous-version"]) for node in self.Env["nodes"]: if not self.downgrade(node): CM.log("Couldn't downgrade %s" % node) return None return 1 def TearDown(self, CM): # Stop everything CM.log("Stopping Cluster Manager on Upgrade nodes.") CM.stopall() CM.log("Upgrading all nodes to %s." % self.Env["current-version"]) for node in self.Env["nodes"]: if not self.upgrade(node): CM.log("Couldn't upgrade %s" % node) return None return 1 diff --git a/cts/lab/CTStests.py b/cts/lab/CTStests.py index 1639597a6f..8e96662b73 100644 --- a/cts/lab/CTStests.py +++ b/cts/lab/CTStests.py @@ -1,2283 +1,2290 @@ """ Test-specific classes for Pacemaker's Cluster Test Suite (CTS) """ __copyright__ = "Copyright 2000-2023 the Pacemaker project contributors" __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY" # # 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 os import re import time import tempfile from stat import * from pacemaker import BuildOptions from pacemaker._cts.CTS import NodeStatus from pacemaker._cts.audits import AuditResource from pacemaker._cts.tests.base import CTSTest, RemoteDriver, SimulStartLite, SimulStopLite, StartTest, StopTest from pacemaker._cts.timer import Timer AllTestClasses = [ ] 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._env["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 = True 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 = True def __call__(self, node): self.incr("calls") if len(self._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(self.templates["Pat:Fencing_ok"] % node) watchpats.append(self.templates["Pat:NodeFenced"] % node) if not self._env["at-boot"]: self.debug("Expecting %s to stay down" % node) self._cm.ShouldBeStatus[node] = "down" else: self.debug("Expecting %s to come up again %d" % (node, self._env["at-boot"])) watchpats.append("%s.* S_STARTING -> S_PENDING" % node) watchpats.append("%s.* S_PENDING -> S_NOT_DC" % node) watch = self.create_watch(watchpats, 30 + self._env["DeadTime"] + self._env["StableTime"] + self._env["StartTime"]) watch.set_watch() origin = self._env.random_gen.choice(self._env["nodes"]) (rc, _) = self._rsh(origin, "stonith_admin --reboot %s -VVVVVV" % node) if rc == 124: # CRM_EX_TIMEOUT # Look for the patterns, usually this means the required # device was running on the node to be fenced - or that # the required devices were in the process of being loaded # and/or moved # # Effectively the node committed suicide so there will be # no confirmation, but pacemaker should be watching and # fence the node again self._logger.log("Fencing command on %s to fence %s timed out" % (origin, node)) elif origin != node and rc != 0: self.debug("Waiting for the cluster to recover") self._cm.cluster_stable() self.debug("Waiting for fenced node to come back up") self._cm.ns.wait_for_all_nodes(self._env["nodes"], 600) self._logger.log("Fencing command on %s failed to fence %s (rc=%d)" % (origin, node, rc)) elif origin == node and rc != 255: # 255 == broken pipe, ie. the node was fenced as expected self._logger.log("Locally originated fencing returned %d" % rc) with Timer(self._logger, self.name, "fence"): matched = watch.look_for_all() self.set_timer("reform") if watch.unmatched: self._logger.log("Patterns not found: " + repr(watch.unmatched)) self.debug("Waiting for the cluster to recover") self._cm.cluster_stable() self.debug("Waiting for fenced node to come back up") self._cm.ns.wait_for_all_nodes(self._env["nodes"], 600) self.debug("Waiting for the cluster to re-stabilize with all nodes") is_stable = self._cm.cluster_stable(self._env["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() @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ self.templates["Pat:Fencing_start"] % ".*", self.templates["Pat:Fencing_ok"] % ".*", self.templates["Pat:Fencing_active"], r"error.*: Operation 'reboot' targeting .* by .* for stonith_admin.*: Timer expired" ] def is_applicable(self): if not self.is_applicable_common(): return False if "DoFencing" in list(self._env.keys()): return self._env["DoFencing"] return True 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 = 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._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") 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._env["nodes"]: if not self._stop(node): failed.append(node) if len(failed) > 0: return self.failure("Some node failed to stop: " + repr(failed)) 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._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) def __call__(self, node): '''Perform the 'PartialStart' test. ''' self.incr("calls") ret = self.stopall(None) if not ret: return self.failure("Setup failed") watchpats = [] watchpats.append("pacemaker-controld.*Connecting to .* cluster infrastructure") watch = self.create_watch(watchpats, self._env["DeadTime"]+10) watch.set_watch() self._cm.StartaCMnoBlock(node) ret = watch.look_for_all() if not ret: self._logger.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() @property def errors_to_ignore(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 [ r"Executing reboot fencing operation", r"Requesting fencing \([^)]+\) targeting node " ] # 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 = True 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.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.debug("Getting resources running on node %s" % node) rsc_on_node = self._cm.active_resources(node) watchpats = [] watchpats.append(r"State transition .* -> S_POLICY_ENGINE") watch = self.create_watch(watchpats, self._env["DeadTime"]+10) watch.set_watch() self.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.look_for_all() if not ret: self._logger.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.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.debug("Setting node %s to active mode" % node) self._cm.SetStandbyMode(node, "off") return rc self.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 = True self.is_loop = True def setup(self, node): self.incr("calls") ret = self.stopall(None) if not ret: return self.failure("Stop all nodes failed") # @TODO Edit /etc/sysconfig/pacemaker on all nodes to enable valgrind, # and clear any valgrind logs from previous runs. For now, we rely on # the user to do this manually. ret = self._startall(None) if not ret: return self.failure("Start all nodes failed") return self.success() def teardown(self, node): # Return all nodes to normal # @TODO Edit /etc/sysconfig/pacemaker on all nodes to disable valgrind ret = self.stopall(None) if not ret: return self.failure("Stop all nodes failed") return self.success() def find_leaks(self): # Check for leaks # (no longer used but kept in case feature is restored) leaked = [] self._stop = StopTest(self._cm) for node in self._env["nodes"]: rc = self._stop(node) if not rc: self.failure("Couldn't shut down %s" % node) (rc, _) = self._rsh(node, "grep -e indirectly.*lost:.*[1-9] -e definitely.*lost:.*[1-9] -e (ERROR|error).*SUMMARY:.*[1-9].*errors %s" % self._logger.logPat) if rc != 1: leaked.append(node) self.failure("Valgrind errors detected on %s" % node) (_, output) = self._rsh(node, "grep -e lost: -e SUMMARY: %s" % self._logger.logPat, verbose=1) for line in output: self._logger.log(line) (_, output) = self._rsh(node, "cat %s" % self._logger.logPat, verbose=1) for line in output: self.debug(line) self._rsh(node, "rm -f %s" % self._logger.logPat, verbose=1) 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() @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ r"pacemaker-based.*: \*\*\*\*\*\*\*\*\*\*\*\*\*", r"pacemaker-based.*: .* avoid confusing Valgrind", r"HA_VALGRIND_ENABLED" ] class StandbyLoopTest(ValgrindTest): '''Check for memory leaks by putting a node in and out of standby for an hour''' # @TODO This is not a useful test for memory leaks 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._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 the cluster uses''' def __init__(self, cm): CTSTest.__init__(self, cm) + + self.stats["min"] = 0 + self.stats["max"] = 0 + self.stats["totalbandwidth"] = 0 + self.name = "Bandwidth" self._start = StartTest(cm) - self.__setitem__("min",0) - self.__setitem__("max",0) - self.__setitem__("totalbandwidth",0) (handle, self.tempfile) = tempfile.mkstemp(".cts") os.close(handle) 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._rsh(node, dumpcmd) if rc == 0: farfile = "root@%s:%s" % (node, fstmpfile) self._rsh.copy(farfile, self.tempfile) Bandwidth = self.countbandwidth(self.tempfile) if not Bandwidth: self._logger.log("Could not compute bandwidth.") return self.success() intband = int(Bandwidth + 0.5) self._logger.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.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._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 = line.split(" ") 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._logger.log("Invalid tcpdump line: %s" % line) return None T1 = linesplit[0] timesplit = T1.split(":") time2split = timesplit[2].split(".") time1 = (int(timesplit[0])*60+int(timesplit[1]))*60+int(time2split[0])+int(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 = line.split(" ") for j in range(len(linessplit)-1): if linessplit[j] == "udp": break if linessplit[j] == "length:": break try: sum = int(linessplit[j+1]) + sum except ValueError: self._logger.log("Invalid tcpdump line: %s" % line) return None T2 = linessplit[0] timesplit = T2.split(":") time2split = timesplit[2].split(".") time2 = (int(timesplit[0])*60+int(timesplit[1]))*60+int(time2split[0])+int(time2split[1])*0.000001 time = time2-time1 if (time <= 0): return 0 return int((sum*8)/time) def is_applicable(self): '''BandwidthTest never applicable''' return False AllTestClasses.append(BandwidthTest) ################################################################### class MaintenanceMode(CTSTest): ################################################################### def __init__(self, cm): CTSTest.__init__(self,cm) self.name = "MaintenanceMode" self._start = StartTest(cm) self._startall = SimulStartLite(cm) self.max = 30 self.benchmark = True self.action = "asyncmon" self.interval = 0 self.rid = "maintenanceDummy" def toggleMaintenanceMode(self, node, action): pats = [] pats.append(self.templates["Pat:DC_IDLE"]) # fail the resource right after turning Maintenance mode on # verify it is not recovered until maintenance mode is turned off if action == "On": pats.append(self.templates["Pat:RscOpFail"] % (self.action, self.rid)) else: pats.append(self.templates["Pat:RscOpOK"] % ("stop", self.rid)) pats.append(self.templates["Pat:RscOpOK"] % ("start", self.rid)) watch = self.create_watch(pats, 60) watch.set_watch() self.debug("Turning maintenance mode %s" % action) self._rsh(node, self.templates["MaintenanceMode%s" % (action)]) if (action == "On"): self._rsh(node, "crm_resource -V -F -r %s -H %s &>/dev/null" % (self.rid, node)) with Timer(self._logger, self.name, "recover%s" % action): watch.look_for_all() if watch.unmatched: self.debug("Failed to find patterns when turning maintenance mode %s" % action) return repr(watch.unmatched) return "" def insertMaintenanceDummy(self, node): pats = [] pats.append(("%s.*" % node) + (self.templates["Pat:RscOpOK"] % ("start", self.rid))) watch = self.create_watch(pats, 60) watch.set_watch() self._cm.AddDummyRsc(node, self.rid) with Timer(self._logger, self.name, "addDummy"): watch.look_for_all() if watch.unmatched: self.debug("Failed to find patterns when adding maintenance dummy resource") return repr(watch.unmatched) return "" def removeMaintenanceDummy(self, node): pats = [] pats.append(self.templates["Pat:RscOpOK"] % ("stop", self.rid)) watch = self.create_watch(pats, 60) watch.set_watch() self._cm.RemoveDummyRsc(node, self.rid) with Timer(self._logger, self.name, "removeDummy"): watch.look_for_all() if watch.unmatched: self.debug("Failed to find patterns when removing maintenance dummy resource") return repr(watch.unmatched) return "" def managedRscList(self, node): rscList = [] (_, lines) = self._rsh(node, "crm_resource -c", verbose=1) for line in lines: if re.search("^Resource", line): tmp = AuditResource(self._cm, line) if tmp.managed: rscList.append(tmp.id) return rscList def verifyResources(self, node, rscList, managed): managedList = list(rscList) managed_str = "managed" if not managed: managed_str = "unmanaged" (_, lines) = self._rsh(node, "crm_resource -c", verbose=1) for line in lines: if re.search("^Resource", line): tmp = AuditResource(self._cm, line) if managed and not tmp.managed: continue elif not managed and tmp.managed: continue elif managedList.count(tmp.id): managedList.remove(tmp.id) if len(managedList) == 0: self.debug("Found all %s resources on %s" % (managed_str, node)) return True self._logger.log("Could not find all %s resources on %s. %s" % (managed_str, node, managedList)) return False def __call__(self, node): '''Perform the 'MaintenanceMode' test. ''' self.incr("calls") verify_managed = False verify_unmanaged = False failPat = "" ret = self._startall(None) if not ret: return self.failure("Setup failed") # get a list of all the managed resources. We use this list # after enabling maintenance mode to verify all managed resources # become un-managed. After maintenance mode is turned off, we use # this list to verify all the resources become managed again. managedResources = self.managedRscList(node) if len(managedResources) == 0: self._logger.log("No managed resources on %s" % node) return self.skipped() # insert a fake resource we can fail during maintenance mode # so we can verify recovery does not take place until after maintenance # mode is disabled. failPat = failPat + self.insertMaintenanceDummy(node) # toggle maintenance mode ON, then fail dummy resource. failPat = failPat + self.toggleMaintenanceMode(node, "On") # verify all the resources are now unmanaged if self.verifyResources(node, managedResources, False): verify_unmanaged = True # Toggle maintenance mode OFF, verify dummy is recovered. failPat = failPat + self.toggleMaintenanceMode(node, "Off") # verify all the resources are now managed again if self.verifyResources(node, managedResources, True): verify_managed = True # Remove our maintenance dummy resource. failPat = failPat + self.removeMaintenanceDummy(node) self._cm.cluster_stable() if failPat != "": return self.failure("Unmatched patterns: %s" % (failPat)) elif verify_unmanaged is False: return self.failure("Failed to verify resources became unmanaged during maintenance mode") elif verify_managed is False: return self.failure("Failed to verify resources switched back to managed after disabling maintenance mode") return self.success() @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ r"Updating failcount for %s" % self.rid, r"schedulerd.*: Recover\s+%s\s+\(.*\)" % self.rid, r"Unknown operation: fail", self.templates["Pat:RscOpOK"] % (self.action, self.rid), r"(ERROR|error).*: Action %s_%s_%d .* initiated outside of a transition" % (self.rid, self.action, self.interval) ] AllTestClasses.append(MaintenanceMode) 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.benchmark = True # 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") # List all resources active on the node (skip test if none) resourcelist = self._cm.active_resources(node) if len(resourcelist) == 0: self._logger.log("No active resources on %s" % node) return self.skipped() # Choose one resource at random rsc = self.choose_resource(node, resourcelist) if rsc is None: return self.failure("Could not get details of resource '%s'" % self.rid) if rsc.id == rsc.clone_id: self.debug("Failing " + rsc.id) else: self.debug("Failing " + rsc.id + " (also known as " + rsc.clone_id + ")") # Log patterns to watch for (failure, plus restart if managed) pats = [] pats.append(self.templates["Pat:CloneOpFail"] % (self.action, rsc.id, rsc.clone_id)) if rsc.managed: pats.append(self.templates["Pat:RscOpOK"] % ("stop", self.rid)) if rsc.unique: pats.append(self.templates["Pat:RscOpOK"] % ("start", self.rid)) else: # Anonymous clones may get restarted with a different clone number pats.append(self.templates["Pat:RscOpOK"] % ("start", ".*")) # Fail resource. (Ideally, we'd fail it twice, to ensure the fail count # is incrementing properly, but it might restart on a different node. # We'd have to temporarily ban it from all other nodes and ensure the # migration-threshold hasn't been reached.) if self.fail_resource(rsc, node, pats) is None: return None # self.failure() already called return self.success() def choose_resource(self, node, resourcelist): """ Choose a random resource to target """ self.rid = self._env.random_gen.choice(resourcelist) self.rid_alt = self.rid (_, lines) = self._rsh(node, "crm_resource -c", verbose=1) for line in lines: if line.startswith("Resource: "): rsc = AuditResource(self._cm, line) if rsc.id == self.rid: # Handle anonymous clones that get renamed self.rid = rsc.clone_id return rsc return None def get_failcount(self, node): """ Check the fail count of targeted resource on given node """ (rc, lines) = self._rsh(node, "crm_failcount --quiet --query --resource %s " "--operation %s --interval %d " "--node %s" % (self.rid, self.action, self.interval, node), verbose=1) if rc != 0 or len(lines) != 1: self._logger.log("crm_failcount on %s failed (%d): %s" % (node, rc, " // ".join(map(str.strip, lines)))) return -1 try: failcount = int(lines[0]) except (IndexError, ValueError): self._logger.log("crm_failcount output on %s unparseable: %s" % (node, ' '.join(lines))) return -1 return failcount def fail_resource(self, rsc, node, pats): """ Fail the targeted resource, and verify as expected """ orig_failcount = self.get_failcount(node) watch = self.create_watch(pats, 60) watch.set_watch() self._rsh(node, "crm_resource -V -F -r %s -H %s &>/dev/null" % (self.rid, node)) with Timer(self._logger, self.name, "recover"): watch.look_for_all() 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.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) new_failcount = self.get_failcount(node) if new_failcount != (orig_failcount + 1): return self.failure("%s fail count is %d not %d" % (self.rid, new_failcount, orig_failcount + 1)) return 0 # Anything but None is success @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ r"Updating failcount for %s" % self.rid, r"schedulerd.*: Recover\s+(%s|%s)\s+\(.*\)" % (self.rid, self.rid_alt), r"Unknown operation: fail", self.templates["Pat:RscOpOK"] % (self.action, self.rid), r"(ERROR|error).*: 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 = True 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._env["StableTime"]): return self.failure("Setup failed - unstable") node_is_dc = self._cm.is_node_dc(node, None) # select a component to kill chosen = self._env.random_gen.choice(self.complist) while chosen.dc_only and node_is_dc == 0: chosen = self._env.random_gen.choice(self.complist) self.debug("...component %s (dc=%d)" % (chosen.name, node_is_dc)) self.incr(chosen.name) if chosen.name != "corosync": self.patterns.append(self.templates["Pat:ChildKilled"] %(node, chosen.name)) self.patterns.append(self.templates["Pat:ChildRespawn"] %(node, chosen.name)) self.patterns.extend(chosen.pats) if node_is_dc: self.patterns.extend(chosen.dc_pats) # @TODO this should be a flag in the Component if chosen.name in [ "corosync", "pacemaker-based", "pacemaker-fenced" ]: # Ignore actions for fence devices if fencer will respawn # (their registration will be lost, and probes will fail) self.okerrpatterns = [ self.templates["Pat:Fencing_active"] ] (_, lines) = self._rsh(node, "crm_resource -c", verbose=1) for line in lines: if re.search("^Resource", line): r = AuditResource(self._cm, line) if r.rclass == "stonith": self.okerrpatterns.append(self.templates["Pat:Fencing_recover"] % r.id) self.okerrpatterns.append(self.templates["Pat:Fencing_probe"] % r.id) # supply a copy so self.patterns doesn't 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.templates["Pat:Fencing_ok"] % node) stonith = self.create_watch(stonithPats, 0) stonith.set_watch() # set the watch for stable watch = self.create_watch( tmpPats, self._env["DeadTime"] + self._env["StableTime"] + self._env["StartTime"]) watch.set_watch() # kill the component chosen.kill(node) self.debug("Waiting for the cluster to recover") self._cm.cluster_stable() self.debug("Waiting for any fenced node to come back up") self._cm.ns.wait_for_all_nodes(self._env["nodes"], 600) self.debug("Waiting for the cluster to re-stabilize with all nodes") self._cm.cluster_stable(self._env["StartTime"]) self.debug("Checking if %s was shot" % node) shot = stonith.look(60) if shot: self.debug("Found: " + repr(shot)) self.okerrpatterns.append(self.templates["Pat:Fencing_start"] % node) if not self._env["at-boot"]: self._cm.ShouldBeStatus[node] = "down" # If fencing occurred, chances are many (if not all) the expected logs # will not be sent - or will be lost when the node reboots return self.success() # check for logs indicating a graceful recovery matched = watch.look_for_all(allow_multiple_matches=True) if watch.unmatched: self._logger.log("Patterns not found: " + repr(watch.unmatched)) self.debug("Waiting for the cluster to re-stabilize with all nodes") is_stable = self._cm.cluster_stable(self._env["StartTime"]) if not matched: return self.failure("Didn't find all expected %s patterns" % chosen.name) elif not is_stable: return self.failure("Cluster did not become stable after killing %s" % chosen.name) return self.success() @property def errors_to_ignore(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 = True def isolate_partition(self, partition): other_nodes = [] other_nodes.extend(self._env["nodes"]) for node in partition: try: other_nodes.remove(node) except ValueError: self._logger.log("Node "+node+" not in " + repr(self._env["nodes"]) + " from " +repr(partition)) if len(other_nodes) == 0: return 1 self.debug("Creating partition: " + repr(partition)) self.debug("Everyone else: " + repr(other_nodes)) for node in partition: if not self._cm.isolate_node(node, other_nodes): self._logger.log("Could not isolate %s" % node) return 0 return 1 def heal_partition(self, partition): other_nodes = [] other_nodes.extend(self._env["nodes"]) for node in partition: try: other_nodes.remove(node) except ValueError: self._logger.log("Node "+node+" not in " + repr(self._env["nodes"])) if len(other_nodes) == 0: return 1 self.debug("Healing partition: " + repr(partition)) self.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 = True 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._env["nodes"]) for node in self._env["nodes"]: p = self._env.random_gen.randint(1, p_max) if not p in partitions: partitions[p] = [] partitions[p].append(node) p_max = len(list(partitions.keys())) if p_max > 1: break # else, try again self.debug("Created %d partitions" % p_max) for key in list(partitions.keys()): self.debug("Partition["+str(key)+"]:\t"+repr(partitions[key])) # Disabling STONITH to reduce test complexity for now self._rsh(node, "crm_attribute -V -n stonith-enabled -v false") for key in list(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 list(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._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") if self._env["continue"]: answer = "Y" else: try: answer = input('Continue? [nY]') except EOFError as e: answer = "n" if answer and answer == "n": raise ValueError("Reformed cluster not stable") # Turn fencing back on if self._env["DoFencing"]: self._rsh(node, "crm_attribute -V -D -n stonith-enabled") self._cm.cluster_stable() if self.passed: return self.success() return self.failure("See previous errors") @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ r"Another DC detected:", r"(ERROR|error).*: .*Application of an update diff failed", r"pacemaker-controld.*:.*not in our membership list", r"CRIT:.*node.*returning after partition" ] def is_applicable(self): if not self.is_applicable_common(): return False return len(self._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 = False def _is_managed(self, node): (_, is_managed) = self._rsh(node, "crm_attribute -t rsc_defaults -n is-managed -q -G -d true", verbose=1) is_managed = is_managed[0].strip() return is_managed == "true" def _set_unmanaged(self, node): self.debug("Disable resource management") self._rsh(node, "crm_attribute -t rsc_defaults -n is-managed -v false") def _set_managed(self, node): self.debug("Re-enable resource management") self._rsh(node, "crm_attribute -t rsc_defaults -n is-managed -D") 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.debug("Not stable yet, re-testing") else: self._logger.log("Cluster is not stable") return None return 1 def teardown(self, node): # Make sure 'node' is up start = StartTest(self._cm) start(node) if not self._is_managed(node): self._logger.log("Attempting to re-enable resource management on %s" % node) self._set_managed(node) self._cm.cluster_stable() if not self._is_managed(node): self._logger.log("Could not re-enable resource management") return 0 return 1 def can_run_now(self, node): """ Return True if we can meaningfully run right now""" if self._find_ocfs2_resources(node): self._logger.log("Detach/Reattach scenarios are not possible with OCFS2 services present") return False return True def __call__(self, node): self.incr("calls") pats = [] # Conveniently, the scheduler will display this message when disabling # management, even if fencing is not enabled, so we can rely on it. managed = self.create_watch(["No fencing will be done"], 60) managed.set_watch() self._set_unmanaged(node) if not managed.look_for_all(): self._logger.log("Patterns not found: " + repr(managed.unmatched)) return self.failure("Resource management not disabled") pats = [] pats.append(self.templates["Pat:RscOpOK"] % ("start", ".*")) pats.append(self.templates["Pat:RscOpOK"] % ("stop", ".*")) pats.append(self.templates["Pat:RscOpOK"] % ("promote", ".*")) pats.append(self.templates["Pat:RscOpOK"] % ("demote", ".*")) pats.append(self.templates["Pat:RscOpOK"] % ("migrate", ".*")) watch = self.create_watch(pats, 60, "ShutdownActivity") watch.set_watch() self.debug("Shutting down the cluster") ret = self.stopall(None) if not ret: self._set_managed(node) return self.failure("Couldn't shut down the cluster") self.debug("Bringing the cluster back up") ret = self._startall(None) time.sleep(5) # allow ping to update the CIB if not ret: self._set_managed(node) return self.failure("Couldn't restart the cluster") if self.local_badnews("ResourceActivity:", watch): self._set_managed(node) return self.failure("Resources stopped or started during cluster restart") watch = self.create_watch(pats, 60, "StartupActivity") watch.set_watch() # Re-enable resource management (and verify it happened). self._set_managed(node) self._cm.cluster_stable() if not self._is_managed(node): return self.failure("Could not re-enable resource management") # Ignore actions for STONITH resources ignore = [] (_, lines) = self._rsh(node, "crm_resource -c", verbose=1) for line in lines: if re.search("^Resource", line): r = AuditResource(self._cm, line) if r.rclass == "stonith": self.debug("Ignoring start actions for %s" % r.id) ignore.append(self.templates["Pat:RscOpOK"] % ("start", r.id)) if self.local_badnews("ResourceActivity:", watch, ignore): return self.failure("Resources stopped or started after resource management was re-enabled") return ret @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ r"resource( was|s were) active at shutdown" ] def is_applicable(self): return True 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") # Test config recovery when the other nodes come up self._rsh(node, "rm -f " + BuildOptions.CIB_DIR + "/cib*") # 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() @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ # Errors that occur as a result of the CIB being wiped return [ r"error.*: v1 patchset error, patch failed to apply: Application of an update diff failed", r"error.*: Resource start-up disabled since no STONITH resources have been defined", r"error.*: Either configure some or disable STONITH with the stonith-enabled option", r"error.*: NOTE: Clusters with shared data need STONITH to ensure data integrity" ] 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 = True 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._rsh(node, "crm_resource -r %s -W -Q" % resource, verbose=1) # 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.debug("Resource %s is still inactive" % resource) elif rc == 234: self._logger.log("Unknown resource %s" % resource) return 0 elif rc == 246: self._logger.log("Cluster is inactive") return 0 elif rc != 0: self._logger.log("Call to crm_resource failed, rc=%d" % rc) return 0 else: self.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 (_, lines) = self._rsh(node, "crm_resource -c", verbose=1) for line in lines: if re.search("^Resource", line): r = AuditResource(self._cm, line) if r.rtype == "controld" and r.parent != "NA": self.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 False if self._env["Schema"] == "hae": return True 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._rsh(node, "crm_resource -V -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._env["loop-minutes"]*60 self.find_hae_resources(node) clone_max = len(self._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._rsh(node, "crm_standby -V -l reboot -v %s" % (target)) return rc def __call__(self, node): self.incr("calls") lpc = 0 failed = 0 done = time.time() + self._env["loop-minutes"]*60 self.find_hae_resources(node) clone_max = len(self._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 = [] stonith = self._cm.prepare_fencing_watcher("NearQuorumPoint") #decide what to do with each node for node in self._env["nodes"]: action = self._env.random_gen.choice(["start","stop"]) #action = self._env.random_gen.choice(["start","stop","no change"]) if action == "start" : startset.append(node) elif action == "stop" : stopset.append(node) self.debug("start nodes:" + repr(startset)) self.debug("stop nodes:" + repr(stopset)) #add search patterns watchpats = [ ] for node in stopset: if self._cm.ShouldBeStatus[node] == "up": watchpats.append(self.templates["Pat:We_stopped"] % node) for node in startset: if self._cm.ShouldBeStatus[node] == "down": #watchpats.append(self.templates["Pat:NonDC_started"] % node) watchpats.append(self.templates["Pat:Local_started"] % node) else: for stopping in stopset: if self._cm.ShouldBeStatus[stopping] == "up": watchpats.append(self.templates["Pat:They_stopped"] % (node, self._cm.key_for_node(stopping))) if len(watchpats) == 0: return self.skipped() if len(startset) != 0: watchpats.append(self.templates["Pat:DC_IDLE"]) watch = self.create_watch(watchpats, self._env["DeadTime"]+10) watch.set_watch() #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.look_for_all(): self._cm.cluster_stable() self._cm.fencing_cleanup("NearQuorumPoint", stonith) return self.success() self._logger.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) self._cm.fencing_cleanup("NearQuorumPoint", stonith) if upnodes == [] and downnodes == []: self._cm.cluster_stable() # Make sure they're completely down with no residule for node in stopset: self._rsh(node, self.templates["StopCmd"]) return self.success() if len(upnodes) > 0: self._logger.log("Warn: Unstoppable nodes: " + repr(upnodes)) if len(downnodes) > 0: self._logger.log("Warn: Unstartable nodes: " + repr(downnodes)) return self.failure() def is_applicable(self): return True 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._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._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._env["rpm-dir"], version) self._logger.log("Installing %s on %s with %s" % (version, node, flags)) if not self._stop(node): return self.failure("stop failure: "+node) self._rsh(node, "mkdir -p %s" % target_dir) self._rsh(node, "rm -f %s/*.rpm" % target_dir) (_, lines) = self._rsh(node, "ls -1 %s/*.rpm" % src_dir, verbose=1) for line in lines: line = line[:-1] rc = self._rsh.copy("%s" % (line), "%s:%s/" % (node, target_dir)) self._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._env["current-version"], start) def downgrade(self, node, start=1): return self.install(node, self._env["previous-version"], start, "--force --nodeps") def __call__(self, node): '''Perform the 'Rolling Upgrade' test. ''' self.incr("calls") for node in self._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 "rpm-dir" in list(self._env.keys()): return None if not "current-version" in list(self._env.keys()): return None if not "previous-version" in list(self._env.keys()): 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 = "pacemaker-controld.*%s_start_0.*confirmed.*ok" patterns = [] patterns.append(start_pat % r_id) watch = self.create_watch(patterns, self._env["DeadTime"]) watch.set_watch() ip = self.NextIP() 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.look_for_all() if watch.unmatched: for regex in watch.unmatched: self._logger.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._env["DeadTime"]): return self.failure("Unstable cluster") return self.success() def NextIP(self): ip = self._env["IPBase"] if ":" in ip: fields = ip.rpartition(":") fields[2] = str(hex(int(fields[2], 16)+1)) print(str(hex(int(f[2], 16)+1))) else: fields = ip.rpartition('.') fields[2] = str(int(fields[2])+1) ip = fields[0] + fields[1] + fields[3]; self._env["IPBase"] = ip return ip.strip() def make_ip_resource(self, node, id, rclass, type, ip): self._logger.log("Creating %s:%s:%s (%s) on %s" % (rclass,type,id,ip,node)) rsc_xml=""" """ % (id, rclass, type, id, id, ip) node_constraint = """ """ % (id, id, id, id, node) rc = 0 (rc, _) = self._rsh(node, self.cib_cmd % ("constraints", node_constraint), verbose=1) if rc != 0: self._logger.log("Constraint creation failed: %d" % rc) return None (rc, _) = self._rsh(node, self.cib_cmd % ("resources", rsc_xml), verbose=1) if rc != 0: self._logger.log("Resource creation failed: %d" % rc) return None return 1 def is_applicable(self): if self._env["DoBSC"]: return True return None AllTestClasses.append(BSC_AddResource) 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 class RemoteLXC(CTSTest): def __init__(self, cm): CTSTest.__init__(self,cm) self.name = "RemoteLXC" self._start = StartTest(cm) self._startall = SimulStartLite(cm) self.num_containers = 2 self.is_container = True self.fail_string = "" def start_lxc_simple(self, node): # restore any artifacts laying around from a previous test. self._rsh(node, "/usr/share/pacemaker/tests/cts/lxc_autogen.sh -s -R &>/dev/null") # generate the containers, put them in the config, add some resources to them pats = [ ] watch = self.create_watch(pats, 120) watch.set_watch() pats.append(self.templates["Pat:RscOpOK"] % ("start", "lxc1")) pats.append(self.templates["Pat:RscOpOK"] % ("start", "lxc2")) pats.append(self.templates["Pat:RscOpOK"] % ("start", "lxc-ms")) pats.append(self.templates["Pat:RscOpOK"] % ("promote", "lxc-ms")) self._rsh(node, "/usr/share/pacemaker/tests/cts/lxc_autogen.sh -g -a -m -s -c %d &>/dev/null" % self.num_containers) with Timer(self._logger, self.name, "remoteSimpleInit"): watch.look_for_all() if watch.unmatched: self.fail_string = "Unmatched patterns: %s" % (repr(watch.unmatched)) self.failed = True def cleanup_lxc_simple(self, node): pats = [ ] # if the test failed, attempt to clean up the cib and libvirt environment # as best as possible if self.failed: # restore libvirt and cib self._rsh(node, "/usr/share/pacemaker/tests/cts/lxc_autogen.sh -s -R &>/dev/null") return watch = self.create_watch(pats, 120) watch.set_watch() pats.append(self.templates["Pat:RscOpOK"] % ("stop", "container1")) pats.append(self.templates["Pat:RscOpOK"] % ("stop", "container2")) self._rsh(node, "/usr/share/pacemaker/tests/cts/lxc_autogen.sh -p &>/dev/null") with Timer(self._logger, self.name, "remoteSimpleCleanup"): watch.look_for_all() if watch.unmatched: self.fail_string = "Unmatched patterns: %s" % (repr(watch.unmatched)) self.failed = True # cleanup libvirt self._rsh(node, "/usr/share/pacemaker/tests/cts/lxc_autogen.sh -s -R &>/dev/null") def __call__(self, node): '''Perform the 'RemoteLXC' test. ''' self.incr("calls") ret = self._startall(None) if not ret: return self.failure("Setup failed, start all nodes failed.") (rc, _) = self._rsh(node, "/usr/share/pacemaker/tests/cts/lxc_autogen.sh -v &>/dev/null") if rc == 1: self.log("Environment test for lxc support failed.") return self.skipped() self.start_lxc_simple(node) self.cleanup_lxc_simple(node) self.debug("Waiting for the cluster to recover") self._cm.cluster_stable() if self.failed: return self.failure(self.fail_string) return self.success() @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ r"Updating failcount for ping", r"schedulerd.*: Recover\s+(ping|lxc-ms|container)\s+\(.*\)", # The orphaned lxc-ms resource causes an expected transition error # that is a result of the scheduler not having knowledge that the # promotable resource used to be a clone. As a result, it looks like that # resource is running in multiple locations when it shouldn't... But in # this instance we know why this error is occurring and that it is expected. r"Calculated [Tt]ransition .*pe-error", r"Resource lxc-ms .* is active on 2 nodes attempting recovery", r"Unknown operation: fail", r"VirtualDomain.*ERROR: Unable to determine emulator" ] AllTestClasses.append(RemoteLXC) class RemoteBasic(RemoteDriver): def __init__(self, cm): RemoteDriver.__init__(self, cm) self.name = "RemoteBasic" def __call__(self, node): '''Perform the 'RemoteBaremetal' test. ''' if not self.start_new_test(node): return self.failure(self.fail_string) self.test_attributes(node) self.cleanup_metal(node) self.debug("Waiting for the cluster to recover") self._cm.cluster_stable() if self.failed: return self.failure(self.fail_string) return self.success() AllTestClasses.append(RemoteBasic) class RemoteStonithd(RemoteDriver): def __init__(self, cm): RemoteDriver.__init__(self, cm) self.name = "RemoteStonithd" def __call__(self, node): '''Perform the 'RemoteStonithd' test. ''' if not self.start_new_test(node): return self.failure(self.fail_string) self.fail_connection(node) self.cleanup_metal(node) self.debug("Waiting for the cluster to recover") self._cm.cluster_stable() if self.failed: return self.failure(self.fail_string) return self.success() def is_applicable(self): if not RemoteDriver.is_applicable(self): return False if "DoFencing" in list(self._env.keys()): return self._env["DoFencing"] return True @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ r"Lost connection to Pacemaker Remote node", r"Software caused connection abort", r"pacemaker-controld.*:\s+error.*: Operation remote-.*_monitor", r"pacemaker-controld.*:\s+error.*: Result of monitor operation for remote-.*", r"schedulerd.*:\s+Recover\s+remote-.*\s+\(.*\)", r"error: Result of monitor operation for .* on remote-.*: Internal communication failure" ] + super().errors_to_ignore AllTestClasses.append(RemoteStonithd) class RemoteMigrate(RemoteDriver): def __init__(self, cm): RemoteDriver.__init__(self, cm) self.name = "RemoteMigrate" def __call__(self, node): '''Perform the 'RemoteMigrate' test. ''' if not self.start_new_test(node): return self.failure(self.fail_string) self.migrate_connection(node) self.cleanup_metal(node) self.debug("Waiting for the cluster to recover") self._cm.cluster_stable() if self.failed: return self.failure(self.fail_string) return self.success() def is_applicable(self): if not RemoteDriver.is_applicable(self): return 0 # This test requires at least three nodes: one to convert to a # remote node, one to host the connection originally, and one # to migrate the connection to. if len(self._env["nodes"]) < 3: return 0 return 1 AllTestClasses.append(RemoteMigrate) class RemoteRscFailure(RemoteDriver): def __init__(self, cm): RemoteDriver.__init__(self, cm) self.name = "RemoteRscFailure" def __call__(self, node): '''Perform the 'RemoteRscFailure' test. ''' if not self.start_new_test(node): return self.failure(self.fail_string) # This is an important step. We are migrating the connection # before failing the resource. This verifies that the migration # has properly maintained control over the remote-node. self.migrate_connection(node) self.fail_rsc(node) self.cleanup_metal(node) self.debug("Waiting for the cluster to recover") self._cm.cluster_stable() if self.failed: return self.failure(self.fail_string) return self.success() @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ r"schedulerd.*: Recover\s+remote-rsc\s+\(.*\)", r"Dummy.*: No process state file found" ] + super().errors_to_ignore def is_applicable(self): if not RemoteDriver.is_applicable(self): return 0 # This test requires at least three nodes: one to convert to a # remote node, one to host the connection originally, and one # to migrate the connection to. if len(self._env["nodes"]) < 3: return 0 return 1 AllTestClasses.append(RemoteRscFailure) # vim:ts=4:sw=4:et: diff --git a/python/pacemaker/_cts/tests/base.py b/python/pacemaker/_cts/tests/base.py index 0957351901..82de515cfd 100644 --- a/python/pacemaker/_cts/tests/base.py +++ b/python/pacemaker/_cts/tests/base.py @@ -1,954 +1,942 @@ """ Base classes for CTS tests """ __all__ = ["CTSTest", "RemoteDriver", "SimulStartLite", "SimulStopLite", "StartTest", "StopTest"] __copyright__ = "Copyright 2000-2023 the Pacemaker project contributors" __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY" # # 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 os import re import time import subprocess import tempfile from pacemaker._cts.audits import AuditConstraint, AuditResource from pacemaker._cts.environment import EnvFactory from pacemaker._cts.logging import LogFactory from pacemaker._cts.patterns import PatternSelector from pacemaker._cts.remote import RemoteFactory from pacemaker._cts.timer import Timer from pacemaker._cts.watcher import LogWatcher # Disable various pylint warnings that occur in so many places throughout this # file it's easiest to just take care of them globally. This does introduce the # possibility that we'll miss some other cause of the same warning, but we'll # just have to be careful. # pylint doesn't understand that self._rsh is callable. # pylint: disable=not-callable # pylint doesn't understand that self._env is subscriptable. # pylint: disable=unsubscriptable-object 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): # pylint: disable=invalid-name - self.Stats = {"calls":0 - , "success":0 - , "failure":0 - , "skipped":0 - , "auditfail":0} - self.audits = [] self.name = None self.templates = PatternSelector(cm["Name"]) + self.stats = { "auditfail": 0, + "calls": 0, + "failure": 0, + "skipped": 0, + "success": 0 } + self._cm = cm self._env = EnvFactory().getInstance() self._r_o2cb = None self._r_ocfs2 = [] self._rsh = RemoteFactory().getInstance() self._logger = LogFactory() self._timers = {} self.benchmark = True # which tests to benchmark self.failed = False self.is_container = False self.is_experimental = False self.is_loop = False self.is_unsafe = False self.is_valgrind = False self.passed = True def log(self, args): self._logger.log(args) def debug(self, args): self._logger.debug(args) - def has_key(self, key): - return key in self.Stats - - def __setitem__(self, key, value): - self.Stats[key] = value - - def __getitem__(self, key): - if str(key) == "0": - raise ValueError("Bad call to 'foo in X', should reference 'foo in X.Stats' instead") - - if key in self.Stats: - return self.Stats[key] - return None - def log_mark(self, msg): self.debug("MARK: test %s %s %d" % (self.name,msg,time.time())) def get_timer(self, key="test"): try: return self._timers[key].start_time except KeyError: return 0 def set_timer(self, key="test"): if key not in self._timers: self._timers[key] = Timer(self._logger, self.name, key) self._timers[key].start() return self._timers[key].start_time def log_timer(self, key="test"): if key not in self._timers: return elapsed = self._timers[key].elapsed self.debug("%s:%s runtime: %.2f" % (self.name, key, elapsed)) del self._timers[key] def incr(self, name): - '''Increment (or initialize) the value associated with the given name''' - if not name in self.Stats: - self.Stats[name] = 0 - self.Stats[name] += 1 + if name not in self.stats: + self.stats[name] = 0 + + self.stats[name] += 1 # Reset the test passed boolean if name == "calls": self.passed = True def failure(self, reason="none"): '''Increment the failure count''' self.passed = False self.incr("failure") self._logger.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 NotImplementedError def audit(self): passed = 1 for audit in self.audits: if not audit(): self._logger.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''' # node is used in subclasses # pylint: disable=unused-argument return self.success() def teardown(self, node): '''Tear down the given test''' # node is used in subclasses # pylint: disable=unused-argument return self.success() def create_watch(self, patterns, timeout, name=None): if not name: name = self.name return LogWatcher(self._env["LogFileName"], patterns, self._env["nodes"], self._env["LogWatcher"], name, timeout) def local_badnews(self, prefix, watch, local_ignore=None): errcount = 0 if not prefix: prefix = "LocalBadNews:" ignorelist = [" CTS: ", prefix] if local_ignore: ignorelist += local_ignore while errcount < 100: match = watch.look(0) if match: add_err = True for ignore in ignorelist: if add_err and re.search(ignore, match): add_err = False if add_err: self._logger.log("%s %s" % (prefix, match)) errcount += 1 else: break else: self._logger.log("Too many errors!") watch.end() 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''' if self.is_loop and not self._env["loop-tests"]: return False if self.is_unsafe and not self._env["unsafe-tests"]: return False if self.is_valgrind and not self._env["valgrind-tests"]: return False if self.is_experimental and not self._env["experimental-tests"]: return False if self.is_container and not self._env["container-tests"]: return False if self._env["benchmark"] and not self.benchmark: return False return True def _find_ocfs2_resources(self, node): self._r_o2cb = None self._r_ocfs2 = [] (_, lines) = self._rsh(node, "crm_resource -c", verbose=1) for line in lines: if re.search("^Resource", line): r = AuditResource(self._cm, line) if r.rtype == "o2cb" and r.parent != "NA": self.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.debug("Found ocfs2 filesystems: %s" % self._r_ocfs2) return len(self._r_ocfs2) def can_run_now(self, node): """ Return True if we can meaningfully run right now """ # node is used in subclasses # pylint: disable=unused-argument return True @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [] class RemoteDriver(CTSTest): def __init__(self, cm): CTSTest.__init__(self,cm) self.name = "RemoteDriver" self._corosync_enabled = False self._pacemaker_enabled = False self._remote_node = None self._remote_rsc = "remote-rsc" self._start = StartTest(cm) self._startall = SimulStartLite(cm) self._stop = StopTest(cm) self.reset() def reset(self): self.failed = False self.fail_string = "" self._pcmk_started = False self._remote_node_added = False self._remote_rsc_added = False self._remote_use_reconnect_interval = self._env.random_gen.choice([True,False]) def fail(self, msg): """ Mark test as failed. """ self.failed = True # Always log the failure. self._logger.log(msg) # Use first failure as test status, as it's likely to be most useful. if not self.fail_string: self.fail_string = msg def _get_other_node(self, node): for othernode in self._env["nodes"]: if othernode == node: # we don't want to try and use the cib that we just shutdown. # find a cluster node that is not our soon to be remote-node. continue return othernode def _del_rsc(self, node, rsc): othernode = self._get_other_node(node) (rc, _) = self._rsh(othernode, "crm_resource -D -r %s -t primitive" % rsc) if rc != 0: self.fail("Removal of resource '%s' failed" % rsc) def _add_rsc(self, node, rsc_xml): othernode = self._get_other_node(node) (rc, _) = self._rsh(othernode, "cibadmin -C -o resources -X '%s'" % rsc_xml) if rc != 0: self.fail("resource creation failed") def _add_primitive_rsc(self, node): rsc_xml = """ """ % { "node": self._remote_rsc } self._add_rsc(node, rsc_xml) if not self.failed: self._remote_rsc_added = True def _add_connection_rsc(self, node): rsc_xml = """ """ % { "node": self._remote_node, "server": node } if self._remote_use_reconnect_interval: # Set reconnect interval on resource rsc_xml += """ """ % self._remote_node rsc_xml += """ """ % { "node": self._remote_node } self._add_rsc(node, rsc_xml) if not self.failed: self._remote_node_added = True def _disable_services(self, node): self._corosync_enabled = self._env.service_is_enabled(node, "corosync") if self._corosync_enabled: self._env.disable_service(node, "corosync") self._pacemaker_enabled = self._env.service_is_enabled(node, "pacemaker") if self._pacemaker_enabled: self._env.disable_service(node, "pacemaker") def _enable_services(self, node): if self._corosync_enabled: self._env.enable_service(node, "corosync") if self._pacemaker_enabled: self._env.enable_service(node, "pacemaker") def _stop_pcmk_remote(self, node): # disable pcmk remote for _ in range(10): (rc, _) = self._rsh(node, "service pacemaker_remote stop") if rc != 0: time.sleep(6) else: break def _start_pcmk_remote(self, node): for _ in range(10): (rc, _) = self._rsh(node, "service pacemaker_remote start") if rc != 0: time.sleep(6) else: self._pcmk_started = True break def _freeze_pcmk_remote(self, node): """ Simulate a Pacemaker Remote daemon failure. """ # We freeze the process. self._rsh(node, "killall -STOP pacemaker-remoted") def _resume_pcmk_remote(self, node): # We resume the process. self._rsh(node, "killall -CONT pacemaker-remoted") def _start_metal(self, node): # Cluster nodes are reused as remote nodes in remote tests. If cluster # services were enabled at boot, in case the remote node got fenced, the # cluster node would join instead of the expected remote one. Meanwhile # pacemaker_remote would not be able to start. Depending on the chances, # the situations might not be able to be orchestrated gracefully any more. # # Temporarily disable any enabled cluster serivces. self._disable_services(node) # make sure the resource doesn't already exist for some reason self._rsh(node, "crm_resource -D -r %s -t primitive" % self._remote_rsc) self._rsh(node, "crm_resource -D -r %s -t primitive" % self._remote_node) if not self._stop(node): self.fail("Failed to shutdown cluster node %s" % node) return self._start_pcmk_remote(node) if not self._pcmk_started: self.fail("Failed to start pacemaker_remote on node %s" % node) return # Convert node to baremetal now that it has shutdown the cluster stack pats = [ self.templates["Pat:RscOpOK"] % ("start", self._remote_node), self.templates["Pat:DC_IDLE"] ] watch = self.create_watch(pats, 120) watch.set_watch() self._add_connection_rsc(node) with Timer(self._logger, self.name, "remoteMetalInit"): watch.look_for_all() if watch.unmatched: self.fail("Unmatched patterns: %s" % watch.unmatched) def migrate_connection(self, node): if self.failed: return pats = [ self.templates["Pat:RscOpOK"] % ("migrate_to", self._remote_node), self.templates["Pat:RscOpOK"] % ("migrate_from", self._remote_node), self.templates["Pat:DC_IDLE"] ] watch = self.create_watch(pats, 120) watch.set_watch() (rc, _) = self._rsh(node, "crm_resource -M -r %s" % self._remote_node, verbose=1) if rc != 0: self.fail("failed to move remote node connection resource") return with Timer(self._logger, self.name, "remoteMetalMigrate"): watch.look_for_all() if watch.unmatched: self.fail("Unmatched patterns: %s" % watch.unmatched) return def fail_rsc(self, node): if self.failed: return watchpats = [ self.templates["Pat:RscRemoteOpOK"] % ("stop", self._remote_rsc, self._remote_node), self.templates["Pat:RscRemoteOpOK"] % ("start", self._remote_rsc, self._remote_node), self.templates["Pat:DC_IDLE"] ] watch = self.create_watch(watchpats, 120) watch.set_watch() self.debug("causing dummy rsc to fail.") self._rsh(node, "rm -f /var/run/resource-agents/Dummy*") with Timer(self._logger, self.name, "remoteRscFail"): watch.look_for_all() if watch.unmatched: self.fail("Unmatched patterns during rsc fail: %s" % watch.unmatched) def fail_connection(self, node): if self.failed: return watchpats = [ self.templates["Pat:Fencing_ok"] % self._remote_node, self.templates["Pat:NodeFenced"] % self._remote_node ] watch = self.create_watch(watchpats, 120) watch.set_watch() # freeze the pcmk remote daemon. this will result in fencing self.debug("Force stopped active remote node") self._freeze_pcmk_remote(node) self.debug("Waiting for remote node to be fenced.") with Timer(self._logger, self.name, "remoteMetalFence"): watch.look_for_all() if watch.unmatched: self.fail("Unmatched patterns: %s" % watch.unmatched) return self.debug("Waiting for the remote node to come back up") self._cm.ns.wait_for_node(node, 120) pats = [ self.templates["Pat:RscOpOK"] % ("start", self._remote_node) ] if self._remote_rsc_added: pats.append(self.templates["Pat:RscRemoteOpOK"] % ("start", self._remote_rsc, self._remote_node)) watch = self.create_watch([], 240) watch.set_watch() # start the remote node again watch it integrate back into cluster. self._start_pcmk_remote(node) if not self._pcmk_started: self.fail("Failed to start pacemaker_remote on node %s" % node) return self.debug("Waiting for remote node to rejoin cluster after being fenced.") with Timer(self._logger, self.name, "remoteMetalRestart"): watch.look_for_all() if watch.unmatched: self.fail("Unmatched patterns: %s" % watch.unmatched) return def _add_dummy_rsc(self, node): if self.failed: return # verify we can put a resource on the remote node pats = [ self.templates["Pat:RscRemoteOpOK"] % ("start", self._remote_rsc, self._remote_node), self.templates["Pat:DC_IDLE"] ] watch = self.create_watch(pats, 120) watch.set_watch() # Add a resource that must live on remote-node self._add_primitive_rsc(node) # force that rsc to prefer the remote node. (rc, _) = self._cm.rsh(node, "crm_resource -M -r %s -N %s -f" % (self._remote_rsc, self._remote_node), verbose=1) if rc != 0: self.fail("Failed to place remote resource on remote node.") return with Timer(self._logger, self.name, "remoteMetalRsc"): watch.look_for_all() if watch.unmatched: self.fail("Unmatched patterns: %s" % watch.unmatched) def test_attributes(self, node): if self.failed: return # This verifies permanent attributes can be set on a remote-node. It also # verifies the remote-node can edit its own cib node section remotely. (rc, line) = self._cm.rsh(node, "crm_attribute -l forever -n testattr -v testval -N %s" % self._remote_node, verbose=1) if rc != 0: self.fail("Failed to set remote-node attribute. rc:%s output:%s" % (rc, line)) return (rc, _) = self._cm.rsh(node, "crm_attribute -l forever -n testattr -q -N %s" % self._remote_node, verbose=1) if rc != 0: self.fail("Failed to get remote-node attribute") return (rc, _) = self._cm.rsh(node, "crm_attribute -l forever -n testattr -D -N %s" % self._remote_node, verbose=1) if rc != 0: self.fail("Failed to delete remote-node attribute") return def cleanup_metal(self, node): self._enable_services(node) if not self._pcmk_started: return pats = [ ] watch = self.create_watch(pats, 120) watch.set_watch() if self._remote_rsc_added: pats.append(self.templates["Pat:RscOpOK"] % ("stop", self._remote_rsc)) if self._remote_node_added: pats.append(self.templates["Pat:RscOpOK"] % ("stop", self._remote_node)) with Timer(self._logger, self.name, "remoteMetalCleanup"): self._resume_pcmk_remote(node) if self._remote_rsc_added: # Remove dummy resource added for remote node tests self.debug("Cleaning up dummy rsc put on remote node") self._rsh(self._get_other_node(node), "crm_resource -U -r %s" % self._remote_rsc) self._del_rsc(node, self._remote_rsc) if self._remote_node_added: # Remove remote node's connection resource self.debug("Cleaning up remote node connection resource") self._rsh(self._get_other_node(node), "crm_resource -U -r %s" % self._remote_node) self._del_rsc(node, self._remote_node) watch.look_for_all() if watch.unmatched: self.fail("Unmatched patterns: %s" % watch.unmatched) self._stop_pcmk_remote(node) self.debug("Waiting for the cluster to recover") self._cm.cluster_stable() if self._remote_node_added: # Remove remote node itself self.debug("Cleaning up node entry for remote node") self._rsh(self._get_other_node(node), "crm_node --force --remove %s" % self._remote_node) def _setup_env(self, node): self._remote_node = "remote-%s" % node # we are assuming if all nodes have a key, that it is # the right key... If any node doesn't have a remote # key, we regenerate it everywhere. if self._rsh.exists_on_all("/etc/pacemaker/authkey", self._env["nodes"]): return # create key locally (handle, keyfile) = tempfile.mkstemp(".cts") os.close(handle) subprocess.check_call(["dd", "if=/dev/urandom", "of=%s" % keyfile, "bs=4096", "count=1"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) # sync key throughout the cluster for n in self._env["nodes"]: self._rsh(n, "mkdir -p --mode=0750 /etc/pacemaker") self._rsh.copy(keyfile, "root@%s:/etc/pacemaker/authkey" % n) self._rsh(n, "chgrp haclient /etc/pacemaker /etc/pacemaker/authkey") self._rsh(n, "chmod 0640 /etc/pacemaker/authkey") os.unlink(keyfile) def is_applicable(self): if not self.is_applicable_common(): return False for node in self._env["nodes"]: (rc, _) = self._rsh(node, "which pacemaker-remoted >/dev/null 2>&1") if rc != 0: return False return True def start_new_test(self, node): self.incr("calls") self.reset() ret = self._startall(None) if not ret: return self.failure("setup failed: could not start all nodes") self._setup_env(node) self._start_metal(node) self._add_dummy_rsc(node) return True def __call__(self, node): """ Perform the given test """ raise NotImplementedError @property def errors_to_ignore(self): """ Return list of errors which should be ignored """ return [ r"""is running on remote.*which isn't allowed""", r"""Connection terminated""", r"""Could not send remote""" ] 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.debug("Setup: %s" % self.name) # We ignore the "node" parameter... node_list = [] for node in self._env["nodes"]: if self._cm.ShouldBeStatus[node] == "down": self.incr("WasStopped") node_list.append(node) self.set_timer() while len(node_list) > 0: # Repeat until all nodes come up uppat = self.templates["Pat:NonDC_started"] if self._cm.upcount() == 0: uppat = self.templates["Pat:Local_started"] watchpats = [ self.templates["Pat:DC_IDLE"] ] for node in node_list: watchpats.extend([uppat % node, self.templates["Pat:InfraUp"] % node, self.templates["Pat:PacemakerUp"] % node]) # Start all the nodes - at about the same time... watch = self.create_watch(watchpats, self._env["DeadTime"]+10) watch.set_watch() stonith = self._cm.prepare_fencing_watcher(self.name) for node in node_list: self._cm.StartaCMnoBlock(node) watch.look_for_all() node_list = self._cm.fencing_cleanup(self.name, stonith) if node_list is None: return self.failure("Cluster did not stabilize") # Remove node_list messages from watch.unmatched for node in node_list: self._logger.debug("Dealing with stonith operations for %s" % node_list) if watch.unmatched: try: watch.unmatched.remove(uppat % node) except ValueError: self.debug("Already matched: %s" % (uppat % node)) try: watch.unmatched.remove(self.templates["Pat:InfraUp"] % node) except ValueError: self.debug("Already matched: %s" % (self.templates["Pat:InfraUp"] % node)) try: watch.unmatched.remove(self.templates["Pat:PacemakerUp"] % node) except ValueError: self.debug("Already matched: %s" % (self.templates["Pat:PacemakerUp"] % node)) if watch.unmatched: for regex in watch.unmatched: self._logger.log ("Warn: Startup pattern not found: %s" % regex) if not self._cm.cluster_stable(): return self.failure("Cluster did not stabilize") did_fail = False unstable = [] for node in self._env["nodes"]: if self._cm.StataCM(node) == 0: did_fail = True unstable.append(node) if did_fail: return self.failure("Unstarted nodes exist: %s" % unstable) unstable = [] for node in self._env["nodes"]: if not self._cm.node_stable(node): did_fail = True unstable.append(node) if did_fail: return self.failure("Unstable cluster nodes exist: %s" % unstable) return self.success() def is_applicable(self): '''SimulStartLite is a setup test and never applicable''' return False 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.debug("Setup: %s" % self.name) # We ignore the "node" parameter... watchpats = [] for node in self._env["nodes"]: if self._cm.ShouldBeStatus[node] == "up": self.incr("WasStarted") watchpats.append(self.templates["Pat:We_stopped"] % node) if len(watchpats) == 0: return self.success() # Stop all the nodes - at about the same time... watch = self.create_watch(watchpats, self._env["DeadTime"]+10) watch.set_watch() self.set_timer() for node in self._env["nodes"]: if self._cm.ShouldBeStatus[node] == "up": self._cm.StopaCMnoBlock(node) if watch.look_for_all(): # Make sure they're completely down with no residule for node in self._env["nodes"]: self._rsh(node, self.templates["StopCmd"]) return self.success() did_fail = False up_nodes = [] for node in self._env["nodes"]: if self._cm.StataCM(node) == 1: did_fail = True up_nodes.append(node) if did_fail: return self.failure("Active nodes exist: %s" % up_nodes) self._logger.log("Warn: All nodes stopped but CTS didn't detect: %s" % watch.unmatched) return self.failure("Missing log message: %s " % watch.unmatched) def is_applicable(self): '''SimulStopLite is a setup test and never applicable''' return False 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() if self._cm.StartaCM(node): return self.success() return self.failure("Startup %s on node %s failed" % (self._env["Name"], node)) 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() # Technically we should always be able to notice ourselves stopping patterns = [ self.templates["Pat:We_stopped"] % node ] # Any active node needs to notice this one left # (note that this won't work if we have multiple partitions) for other in self._env["nodes"]: if self._cm.ShouldBeStatus[other] == "up" and other != node: patterns.append(self.templates["Pat:They_stopped"] %(other, self._cm.key_for_node(node))) watch = self.create_watch(patterns, self._env["DeadTime"]) watch.set_watch() 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.look_for_all() failreason = None unmatched_str = "||" if watch.unmatched: (_, output) = self._rsh(node, "/bin/ps axf", verbose=1) for line in output: self.debug(line) (_, output) = self._rsh(node, "/usr/sbin/dlm_tool dump 2>/dev/null", verbose=1) for line in output: self.debug(line) for regex in watch.unmatched: self._logger.log ("ERROR: Shutdown pattern not found: %s" % regex) unmatched_str += "%s||" % regex failreason = "Missing shutdown pattern" self._cm.cluster_stable(self._env["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)" % unmatched_str) if failreason is None: return self.success() return self.failure(failreason)