diff --git a/python/pacemaker/_cts/clustermanager.py b/python/pacemaker/_cts/clustermanager.py index d3508caa9f..72d7a5ecf2 100644 --- a/python/pacemaker/_cts/clustermanager.py +++ b/python/pacemaker/_cts/clustermanager.py @@ -1,806 +1,807 @@ """ ClusterManager class for Pacemaker's Cluster Test Suite (CTS) """ __all__ = ["ClusterManager"] __copyright__ = """Copyright 2000-2023 the Pacemaker project contributors. Certain portions by Huang Zhen are copyright 2004 International Business Machines. The version control history for this file may have further details.""" __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY" import os import re import time from collections import UserDict from pacemaker.buildoptions import BuildOptions from pacemaker._cts.CTS import NodeStatus from pacemaker._cts.audits import AuditResource from pacemaker._cts.cib import ConfigFactory 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.watcher import LogWatcher # pylint doesn't understand that self._rsh is callable (it stores the # singleton instance of RemoteExec, as returned by the getInstance method # of RemoteFactory). It's possible we could fix this with type annotations, # but those were introduced with python 3.5 and we only support python 3.4. # I think we could also fix this by getting rid of the getInstance methods, # but that's a project for another day. For now, just disable the warning. # pylint: disable=not-callable # ClusterManager has a lot of methods. # pylint: disable=too-many-public-methods class ClusterManager(UserDict): '''The Cluster Manager class. This is an subclass of the Python dictionary class. (this is because it contains lots of {name,value} pairs, not because it's behavior is that terribly similar to a dictionary in other ways.) This is an abstract class which class implements high-level operations on the cluster and/or its cluster managers. Actual cluster managers classes are subclassed from this type. One of the things we do is track the state we think every node should be in. ''' def _final_conditions(self): for key in list(self.keys()): if self[key] is None: raise ValueError("Improper derivation: self[%s] must be overridden by subclass." % key) def __init__(self): # Eventually, ClusterManager should not be a UserDict subclass. Until # that point... # pylint: disable=super-init-not-called - self.env = EnvFactory().getInstance() - self.templates = PatternSelector(self.env["Name"]) - self.logger = LogFactory() - self.data = {} - self.name = self.env["Name"] + self.__instance_errors_to_ignore = [] - self.rsh = RemoteFactory().getInstance() + self._cib_installed = False + self._data = {} + self._logger = LogFactory() + + self.env = EnvFactory().getInstance() self.expected_status = {} + self.name = self.env["Name"] # pylint: disable=invalid-name self.ns = NodeStatus(self.env) - self.OurNode = os.uname()[1].lower() - self.__instance_errors_to_ignore = [] - - self.cib_installed = False + self.our_node = os.uname()[1].lower() + self.partitions_expected = 1 + self.rsh = RemoteFactory().getInstance() + self.templates = PatternSelector(self.env["Name"]) self._final_conditions() - self.CIBsync = {} - self.CibFactory = ConfigFactory(self) - self.cib = self.CibFactory.create_config(self.env["Schema"]) + self._cib_factory = ConfigFactory(self) + self._cib = self._cib_factory.create_config(self.env["Schema"]) + self._cib_sync = {} def __getitem__(self, key): if key == "Name": return self.name print("FIXME: Getting %s from %r" % (key, self)) - if key in self.data: - return self.data[key] + if key in self._data: + return self._data[key] return self.templates.get_patterns(key) def __setitem__(self, key, value): print("FIXME: Setting %s=%s on %r" % (key, value, self)) - self.data[key] = value + self._data[key] = value def key_for_node(self, node): return node def clear_instance_errors_to_ignore(self): """ Reset instance-specific errors to ignore on each iteration """ self.__instance_errors_to_ignore = [] @property def instance_errors_to_ignore(self): """ Return a list of known errors that should be ignored for a specific test instance """ return self.__instance_errors_to_ignore @property def errors_to_ignore(self): """ Return a list of known error messages that should be ignored """ return self.templates.get_patterns("BadNewsIgnore") def log(self, args): - self.logger.log(args) + self._logger.log(args) def debug(self, args): - self.logger.debug(args) + self._logger.debug(args) def upcount(self): '''How many nodes are up?''' count = 0 for node in self.env["nodes"]: if self.expected_status[node] == "up": count = count + 1 return count def install_support(self, command="install"): for node in self.env["nodes"]: self.rsh(node, "%s/cts-support %s" % (BuildOptions.DAEMON_DIR, command)) def prepare_fencing_watcher(self): # If we don't have quorum now but get it as a result of starting this node, # then a bunch of nodes might get fenced if self.has_quorum(None): self.debug("Have quorum") return None if not self.templates["Pat:Fencing_start"]: print("No start pattern") return None if not self.templates["Pat:Fencing_ok"]: print("No ok pattern") return None stonith = None - stonithPats = [] + stonith_pats = [] for peer in self.env["nodes"]: if self.expected_status[peer] == "up": continue - stonithPats.extend([ self.templates["Pat:Fencing_ok"] % peer, + stonith_pats.extend([ self.templates["Pat:Fencing_ok"] % peer, self.templates["Pat:Fencing_start"] % peer ]) - stonith = LogWatcher(self.env["LogFileName"], stonithPats, self.env["nodes"], self.env["LogWatcher"], "StartupFencing", 0) + stonith = LogWatcher(self.env["LogFileName"], stonith_pats, self.env["nodes"], self.env["LogWatcher"], "StartupFencing", 0) stonith.set_watch() return stonith def fencing_cleanup(self, node, stonith): peer_list = [] peer_state = {} self.debug("Looking for nodes that were fenced as a result of %s starting" % node) # If we just started a node, we may now have quorum (and permission to fence) if not stonith: self.debug("Nothing to do") return peer_list q = self.has_quorum(None) if not q and len(self.env["nodes"]) > 2: # We didn't gain quorum - we shouldn't have shot anyone self.debug("Quorum: %s Len: %d" % (q, len(self.env["nodes"]))) return peer_list for n in self.env["nodes"]: peer_state[n] = "unknown" # Now see if any states need to be updated self.debug("looking for: %r" % stonith.regexes) shot = stonith.look(0) while shot: self.debug("Found: %r" % shot) del stonith.regexes[stonith.whichmatch] # Extract node name for n in self.env["nodes"]: if re.search(self.templates["Pat:Fencing_ok"] % n, shot): peer = n peer_state[peer] = "complete" self.__instance_errors_to_ignore.append(self.templates["Pat:Fencing_ok"] % peer) elif peer_state[n] != "complete" and re.search(self.templates["Pat:Fencing_start"] % n, shot): # TODO: Correctly detect multiple fencing operations for the same host peer = n peer_state[peer] = "in-progress" self.__instance_errors_to_ignore.append(self.templates["Pat:Fencing_start"] % peer) if not peer: - self.logger.log("ERROR: Unknown stonith match: %r" % shot) + self._logger.log("ERROR: Unknown stonith match: %r" % shot) elif not peer in peer_list: self.debug("Found peer: %s" % peer) peer_list.append(peer) # Get the next one shot = stonith.look(60) for peer in peer_list: self.debug(" Peer %s was fenced as a result of %s starting: %s" % (peer, node, peer_state[peer])) if self.env["at-boot"]: self.expected_status[peer] = "up" else: self.expected_status[peer] = "down" if peer_state[peer] == "in-progress": # Wait for any in-progress operations to complete shot = stonith.look(60) while stonith.regexes and shot: self.debug("Found: %r" % shot) del stonith.regexes[stonith.whichmatch] shot = stonith.look(60) # Now make sure the node is alive too self.ns.wait_for_node(peer, self.env["DeadTime"]) # Poll until it comes up if self.env["at-boot"]: if not self.stat_cm(peer): time.sleep(self.env["StartTime"]) if not self.stat_cm(peer): - self.logger.log("ERROR: Peer %s failed to restart after being fenced" % peer) + self._logger.log("ERROR: Peer %s failed to restart after being fenced" % peer) return None return peer_list def start_cm(self, node, verbose=False): """ Start up the cluster manager on a given node """ if verbose: - self.logger.log("Starting %s on node %s" % (self.templates["Name"], node)) + self._logger.log("Starting %s on node %s" % (self.templates["Name"], node)) else: self.debug("Starting %s on node %s" % (self.templates["Name"], node)) if not node in self.expected_status: self.expected_status[node] = "down" if self.expected_status[node] != "down": return True # Technically we should always be able to notice ourselves starting patterns = [ self.templates["Pat:Local_started"] % node ] if self.upcount() == 0: patterns.append(self.templates["Pat:DC_started"] % node) else: patterns.append(self.templates["Pat:NonDC_started"] % node) watch = LogWatcher( self.env["LogFileName"], patterns, self.env["nodes"], self.env["LogWatcher"], "StartaCM", self.env["StartTime"]+10) self.install_config(node) self.expected_status[node] = "any" if self.stat_cm(node) and self.cluster_stable(self.env["DeadTime"]): - self.logger.log ("%s was already started" % node) + self._logger.log ("%s was already started" % node) return True stonith = self.prepare_fencing_watcher() watch.set_watch() (rc, _) = self.rsh(node, self.templates["StartCmd"]) if rc != 0: - self.logger.log ("Warn: Start command failed on node %s" % node) + self._logger.log ("Warn: Start command failed on node %s" % node) self.fencing_cleanup(node, stonith) return False self.expected_status[node] = "up" watch_result = watch.look_for_all() if watch.unmatched: for regex in watch.unmatched: - self.logger.log ("Warn: Startup pattern not found: %s" % regex) + self._logger.log ("Warn: Startup pattern not found: %s" % regex) if watch_result and self.cluster_stable(self.env["DeadTime"]): self.fencing_cleanup(node, stonith) return True if self.stat_cm(node) and self.cluster_stable(self.env["DeadTime"]): self.fencing_cleanup(node, stonith) return True - self.logger.log ("Warn: Start failed for node %s" % node) + self._logger.log ("Warn: Start failed for node %s" % node) return False def start_cm_async(self, node, verbose=False): """ Start up the cluster manager on a given node without blocking """ if verbose: - self.logger.log("Starting %s on node %s" % (self["Name"], node)) + self._logger.log("Starting %s on node %s" % (self["Name"], node)) else: self.debug("Starting %s on node %s" % (self["Name"], node)) self.install_config(node) self.rsh(node, self.templates["StartCmd"], synchronous=False) self.expected_status[node] = "up" def stop_cm(self, node, verbose=False, force=False): """ Stop the cluster manager on a given node """ if verbose: - self.logger.log("Stopping %s on node %s" % (self["Name"], node)) + self._logger.log("Stopping %s on node %s" % (self["Name"], node)) else: self.debug("Stopping %s on node %s" % (self["Name"], node)) if self.expected_status[node] != "up" and not force: return True (rc, _) = self.rsh(node, self.templates["StopCmd"]) if rc == 0: # Make sure we can continue even if corosync leaks self.expected_status[node] = "down" self.cluster_stable(self.env["DeadTime"]) return True - self.logger.log ("ERROR: Could not stop %s on node %s" % (self["Name"], node)) + self._logger.log ("ERROR: Could not stop %s on node %s" % (self["Name"], node)) return False def stop_cm_async(self, node): """ Stop the cluster manager on a given node without blocking """ self.debug("Stopping %s on node %s" % (self["Name"], node)) self.rsh(node, self.templates["StopCmd"], synchronous=False) self.expected_status[node] = "down" def startall(self, nodelist=None, verbose=False, quick=False): """ Start the cluster manager on every node in the cluster, or on every node in nodelist if not None """ if not nodelist: nodelist = self.env["nodes"] for node in nodelist: if self.expected_status[node] == "down": self.ns.wait_for_all_nodes(nodelist, 300) if not quick: # This is used for "basic sanity checks", so only start one node ... return self.start_cm(nodelist[0], verbose=verbose) # Approximation of SimulStartList for --boot watchpats = [ self.templates["Pat:DC_IDLE"] ] for node in nodelist: watchpats.extend([ self.templates["Pat:InfraUp"] % node, self.templates["Pat:PacemakerUp"] % node, self.templates["Pat:Local_started"] % node, self.templates["Pat:They_up"] % (nodelist[0], node) ]) # Start all the nodes - at about the same time... watch = LogWatcher(self.env["LogFileName"], watchpats, self.env["nodes"], self.env["LogWatcher"], "fast-start", self.env["DeadTime"]+10) watch.set_watch() if not self.start_cm(nodelist[0], verbose=verbose): return False for node in nodelist: self.start_cm_async(node, verbose=verbose) watch.look_for_all() if watch.unmatched: for regex in watch.unmatched: - self.logger.log ("Warn: Startup pattern not found: %s" % regex) + self._logger.log ("Warn: Startup pattern not found: %s" % regex) if not self.cluster_stable(): - self.logger.log("Cluster did not stabilize") + self._logger.log("Cluster did not stabilize") return False return True def stopall(self, nodelist=None, verbose=False, force=False): """ Stop the cluster manager on every node in the cluster, or on every node in nodelist if not None """ ret = True if not nodelist: nodelist = self.env["nodes"] for node in self.env["nodes"]: if self.expected_status[node] == "up" or force: if not self.stop_cm(node, verbose=verbose, force=force): ret = False return ret def statall(self, nodelist=None): '''Return the status of the cluster managers in the cluster. We can do it on a subset of the cluster if nodelist is not None. ''' result = {} if not nodelist: nodelist = self.env["nodes"] for node in nodelist: if self.stat_cm(node): result[node] = "up" else: result[node] = "down" return result def isolate_node(self, target, nodes=None): '''isolate the communication between the nodes''' if not nodes: nodes = self.env["nodes"] for node in nodes: if node == target: continue (rc, _) = self.rsh(target, self.templates["BreakCommCmd"] % self.key_for_node(node)) if rc != 0: - self.logger.log("Could not break the communication between %s and %s: %d" % (target, node, rc)) + self._logger.log("Could not break the communication between %s and %s: %d" % (target, node, rc)) return False self.debug("Communication cut between %s and %s" % (target, node)) return True def unisolate_node(self, target, nodes=None): '''fix the communication between the nodes''' if not nodes: nodes = self.env["nodes"] for node in nodes: if node == target: continue # Limit the amount of time we have asynchronous connectivity for # Restore both sides as simultaneously as possible self.rsh(target, self.templates["FixCommCmd"] % self.key_for_node(node), synchronous=False) self.rsh(node, self.templates["FixCommCmd"] % self.key_for_node(target), synchronous=False) self.debug("Communication restored between %s and %s" % (target, node)) def oprofile_start(self, node=None): if not node: for n in self.env["oprofile"]: self.oprofile_start(n) elif node in self.env["oprofile"]: self.debug("Enabling oprofile on %s" % node) self.rsh(node, "opcontrol --init") self.rsh(node, "opcontrol --setup --no-vmlinux --separate=lib --callgraph=20 --image=all") self.rsh(node, "opcontrol --start") self.rsh(node, "opcontrol --reset") def oprofile_save(self, test, node=None): if not node: for n in self.env["oprofile"]: self.oprofile_save(test, n) elif node in self.env["oprofile"]: self.rsh(node, "opcontrol --dump") self.rsh(node, "opcontrol --save=cts.%d" % test) # Read back with: opreport -l session:cts.0 image:/c* self.oprofile_stop(node) self.oprofile_start(node) def oprofile_stop(self, node=None): if not node: for n in self.env["oprofile"]: self.oprofile_stop(n) elif node in self.env["oprofile"]: self.debug("Stopping oprofile on %s" % node) self.rsh(node, "opcontrol --reset") self.rsh(node, "opcontrol --shutdown 2>&1 > /dev/null") def install_config(self, node): if not self.ns.wait_for_node(node): self.log("Node %s is not up." % node) return - if node in self.CIBsync or not self.env["ClobberCIB"]: + if node in self._cib_sync or not self.env["ClobberCIB"]: return - self.CIBsync[node] = True + self._cib_sync[node] = True self.rsh(node, "rm -f %s/cib*" % BuildOptions.CIB_DIR) # Only install the CIB on the first node, all the other ones will pick it up from there - if self.cib_installed: + if self._cib_installed: return - self.cib_installed = True + self._cib_installed = True if self.env["CIBfilename"] is None: self.log("Installing Generated CIB on node %s" % node) - self.cib.install(node) + self._cib.install(node) else: self.log("Installing CIB (%s) on node %s" % (self.env["CIBfilename"], node)) rc = self.rsh.copy(self.env["CIBfilename"], "root@" + (self.templates["CIBfile"] % node)) if rc != 0: raise ValueError("Can not scp file to %s %d" % (node, rc)) self.rsh(node, "chown %s %s/cib.xml" % (BuildOptions.DAEMON_USER, BuildOptions.CIB_DIR)) def prepare(self): '''Finish the Initialization process. Prepare to test...''' self.partitions_expected = 1 for node in self.env["nodes"]: self.expected_status[node] = "" if self.env["experimental-tests"]: self.unisolate_node(node) self.stat_cm(node) def test_node_cm(self, node): '''Report the status of the cluster manager on a given node''' watchpats = [ "Current ping state: (S_IDLE|S_NOT_DC)", self.templates["Pat:NonDC_started"] % node, self.templates["Pat:DC_started"] % node ] idle_watch = LogWatcher(self.env["LogFileName"], watchpats, [node], self.env["LogWatcher"], "ClusterIdle") idle_watch.set_watch() (_, out) = self.rsh(node, self.templates["StatusCmd"] % node, verbose=1) if not out: out = "" else: out = out[0].strip() self.debug("Node %s status: '%s'" % (node, out)) if out.find('ok') < 0: if self.expected_status[node] == "up": self.log( "Node status for %s is %s but we think it should be %s" % (node, "down", self.expected_status[node])) self.expected_status[node] = "down" return 0 if self.expected_status[node] == "down": self.log( "Node status for %s is %s but we think it should be %s: %s" % (node, "up", self.expected_status[node], out)) self.expected_status[node] = "up" # check the output first - because syslog-ng loses messages if out.find('S_NOT_DC') != -1: # Up and stable return 2 if out.find('S_IDLE') != -1: # Up and stable return 2 # fall back to syslog-ng and wait if not idle_watch.look(): # just up self.debug("Warn: Node %s is unstable: %s" % (node, out)) return 1 # Up and stable return 2 def stat_cm(self, node): """ Report the status of the cluster manager on a given node """ return self.test_node_cm(node) > 0 # Being up and being stable is not the same question... def node_stable(self, node): '''Report the status of the cluster manager on a given node''' if self.test_node_cm(node) == 2: return True self.log("Warn: Node %s not stable" % node) return False def partition_stable(self, nodes, timeout=None): watchpats = [ "Current ping state: S_IDLE", self.templates["Pat:DC_IDLE"] ] self.debug("Waiting for cluster stability...") if timeout is None: timeout = self.env["DeadTime"] if len(nodes) < 3: self.debug("Cluster is inactive") return True idle_watch = LogWatcher(self.env["LogFileName"], watchpats, nodes.split(), self.env["LogWatcher"], "ClusterStable", timeout) idle_watch.set_watch() for node in nodes.split(): # have each node dump its current state self.rsh(node, self.templates["StatusCmd"] % node, verbose=1) ret = idle_watch.look() while ret: self.debug(ret) for node in nodes.split(): if re.search(node, ret): return True ret = idle_watch.look() self.debug("Warn: Partition %r not IDLE after %ds" % (nodes, timeout)) return False def cluster_stable(self, timeout=None, double_check=False): partitions = self.find_partitions() for partition in partitions: if not self.partition_stable(partition, timeout): return False if not double_check: return True # Make sure we are really stable and that all resources, # including those that depend on transient node attributes, # are started if they were going to be time.sleep(5) for partition in partitions: if not self.partition_stable(partition, timeout): return False return True def is_node_dc(self, node, status_line=None): if not status_line: (_, out) = self.rsh(node, self.templates["StatusCmd"] % node, verbose=1) if out: status_line = out[0].strip() if not status_line: return False if status_line.find('S_IDLE') != -1: return True if status_line.find('S_INTEGRATION') != -1: return True if status_line.find('S_FINALIZE_JOIN') != -1: return True if status_line.find('S_POLICY_ENGINE') != -1: return True if status_line.find('S_TRANSITION_ENGINE') != -1: return True return False def active_resources(self, node): (_, output) = self.rsh(node, "crm_resource -c", verbose=1) resources = [] for line in output: if not re.search("^Resource", line): continue tmp = AuditResource(self, line) if tmp.type == "primitive" and tmp.host == node: resources.append(tmp.id) return resources def resource_location(self, rid): - ResourceNodes = [] + resource_nodes = [] for node in self.env["nodes"]: if self.expected_status[node] != "up": continue cmd = self.templates["RscRunning"] % rid (rc, lines) = self.rsh(node, cmd) if rc == 127: self.log("Command '%s' failed. Binary or pacemaker-cts package not installed?" % cmd) for line in lines: self.log("Output: %s " % line) elif rc == 0: - ResourceNodes.append(node) + resource_nodes.append(node) - return ResourceNodes + return resource_nodes def find_partitions(self): ccm_partitions = [] for node in self.env["nodes"]: if self.expected_status[node] != "up": self.debug("Node %s is down... skipping" % node) continue (_, out) = self.rsh(node, self.templates["PartitionCmd"], verbose=1) if not out: self.log("no partition details for %s" % node) continue partition = out[0].strip() if len(partition) <= 2: self.log("bad partition details for %s" % node) continue nodes = partition.split() nodes.sort() partition = ' '.join(nodes) found = 0 for a_partition in ccm_partitions: if partition == a_partition: found = 1 if found == 0: self.debug("Adding partition from %s: %s" % (node, partition)) ccm_partitions.append(partition) else: self.debug("Partition '%s' from %s is consistent with existing entries" % (partition, node)) self.debug("Found partitions: %r" % ccm_partitions) return ccm_partitions def has_quorum(self, node_list): # If we are auditing a partition, then one side will # have quorum and the other not. # So the caller needs to tell us which we are checking # If no value for node_list is specified... assume all nodes if not node_list: node_list = self.env["nodes"] for node in node_list: if self.expected_status[node] != "up": continue (_, quorum) = self.rsh(node, self.templates["QuorumCmd"], verbose=1) quorum = quorum[0].strip() if quorum.find("1") != -1: return True if quorum.find("0") != -1: return False self.debug("WARN: Unexpected quorum test result from %s:%s" % (node, quorum)) return False @property def components(self): raise NotImplementedError def standby_status(self, node): (_, out) = self.rsh(node, self.templates["StandbyQueryCmd"] % node, verbose=1) if not out: return "off" out = out[0].strip() self.debug("Standby result: %s" % out) return out # status == "on" : Enter Standby mode # status == "off": Enter Active mode def set_standby_mode(self, node, status): current_status = self.standby_status(node) if current_status == status: return True cmd = self.templates["StandbyCmd"] % (node, status) (rc, _) = self.rsh(node, cmd) return rc == 0 def add_dummy_rsc(self, node, rid): rsc_xml = """ ' '""" % (rid, rid) constraint_xml = """ ' ' """ % (rid, node, node, rid) self.rsh(node, self.templates['CibAddXml'] % rsc_xml) self.rsh(node, self.templates['CibAddXml'] % constraint_xml) def remove_dummy_rsc(self, node, rid): constraint = "\"//rsc_location[@rsc='%s']\"" % rid rsc = "\"//primitive[@id='%s']\"" % rid self.rsh(node, self.templates['CibDelXpath'] % constraint) self.rsh(node, self.templates['CibDelXpath'] % rsc) diff --git a/python/pacemaker/_cts/tests/stoptest.py b/python/pacemaker/_cts/tests/stoptest.py index 7c864e67cf..483e7c6de3 100644 --- a/python/pacemaker/_cts/tests/stoptest.py +++ b/python/pacemaker/_cts/tests/stoptest.py @@ -1,97 +1,97 @@ """ Stop the cluster manager on a given node """ __all__ = ["StopTest"] __copyright__ = "Copyright 2000-2023 the Pacemaker project contributors" __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY" from pacemaker._cts.tests.ctstest import CTSTest # 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 StopTest(CTSTest): """ A pseudo-test that is only used to set up conditions before running some other test. This class stops the cluster manager on a given node. Other test classes should not use this one as a superclass. """ def __init__(self, cm): """ Create a new StopTest instance Arguments: cm -- A ClusterManager instance """ CTSTest.__init__(self, cm) self.name = "Stop" def __call__(self, node): """ Stop the given node, returning whether this succeeded or not """ self.incr("calls") if self._cm.expected_status[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.expected_status[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: + if node == self._cm.our_node: self.incr("us") else: if self._cm.upcount() <= 1: self.incr("all") else: self.incr("them") self._cm.stop_cm(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)