diff --git a/cts/lab/CM_corosync.py b/cts/lab/CM_corosync.py index 2472bb32bb..13d84b3f97 100644 --- a/cts/lab/CM_corosync.py +++ b/cts/lab/CM_corosync.py @@ -1,59 +1,60 @@ """ Corosync-specific class for Pacemaker's Cluster Test Suite (CTS) """ __copyright__ = "Copyright 2007-2023 the Pacemaker project contributors" __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY" from pacemaker._cts.CTS import Process from pacemaker._cts.clustermanager import ClusterManager from pacemaker._cts.patterns import PatternSelector class crm_corosync(ClusterManager): ''' Corosync version 2 cluster manager class ''' def __init__(self, name=None): if not name: name="crm-corosync" ClusterManager.__init__(self) self.fullcomplist = {} self.templates = PatternSelector(self.name) - def Components(self): + @property + def components(self): complist = [] if not len(list(self.fullcomplist.keys())): for c in [ "pacemaker-based", "pacemaker-controld", "pacemaker-attrd", "pacemaker-execd", "pacemaker-fenced" ]: self.fullcomplist[c] = Process( self, c, pats = self.templates.get_component(c), badnews_ignore = self.templates.get_component("%s-ignore" % c) + self.templates.get_component("common-ignore")) # the scheduler uses dc_pats instead of pats self.fullcomplist["pacemaker-schedulerd"] = Process( self, "pacemaker-schedulerd", dc_pats = self.templates.get_component("pacemaker-schedulerd"), badnews_ignore = self.templates.get_component("pacemaker-schedulerd-ignore") + self.templates.get_component("common-ignore")) # add (or replace) extra components self.fullcomplist["corosync"] = Process( self, "corosync", pats = self.templates.get_component("corosync"), badnews_ignore = self.templates.get_component("corosync-ignore") + self.templates.get_component("common-ignore") ) # Processes running under valgrind can't be shot with "killall -9 processname", # so don't include them in the returned list vgrind = self.Env["valgrind-procs"].split() for key in list(self.fullcomplist.keys()): if self.Env["valgrind-tests"]: if key in vgrind: self.log("Filtering %s from the component list as it is being profiled by valgrind" % key) continue if key == "pacemaker-fenced" and not self.Env["DoFencing"]: continue complist.append(self.fullcomplist[key]) return complist diff --git a/python/pacemaker/_cts/clustermanager.py b/python/pacemaker/_cts/clustermanager.py index 745470aa80..a1fa1df5b2 100644 --- a/python/pacemaker/_cts/clustermanager.py +++ b/python/pacemaker/_cts/clustermanager.py @@ -1,913 +1,806 @@ """ 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, Process +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 -# Throughout this file, pylint has trouble understanding that EnvFactory -# and RemoteFactory are singleton instances that can be treated as callable -# and subscriptable objects. Various warnings are disabled because of this. -# See also a comment about self._rsh in environment.py. -# pylint: disable=unsubscriptable-object - # 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.rsh = RemoteFactory().getInstance() self.ShouldBeStatus={} # 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._final_conditions() self.CIBsync = {} self.CibFactory = ConfigFactory(self) self.cib = self.CibFactory.create_config(self.Env["Schema"]) 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] 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 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) def debug(self, args): self.logger.debug(args) def upcount(self): '''How many nodes are up?''' count = 0 for node in self.Env["nodes"]: if self.ShouldBeStatus[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 = [] for peer in self.Env["nodes"]: if self.ShouldBeStatus[peer] == "up": continue stonithPats.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.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) 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.ShouldBeStatus[peer] = "up" else: self.ShouldBeStatus[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) 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)) else: self.debug("Starting %s on node %s" % (self.templates["Name"], node)) if not node in self.ShouldBeStatus: self.ShouldBeStatus[node] = "down" if self.ShouldBeStatus[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.ShouldBeStatus[node] = "any" if self.stat_cm(node) and self.cluster_stable(self.Env["DeadTime"]): 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.fencing_cleanup(node, stonith) return False self.ShouldBeStatus[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) 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) 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)) else: self.debug("Starting %s on node %s" % (self["Name"], node)) self.install_config(node) self.rsh(node, self.templates["StartCmd"], synchronous=False) self.ShouldBeStatus[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)) else: self.debug("Stopping %s on node %s" % (self["Name"], node)) if self.ShouldBeStatus[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.ShouldBeStatus[node] = "down" self.cluster_stable(self.Env["DeadTime"]) return True 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.ShouldBeStatus[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.ShouldBeStatus[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) if not self.cluster_stable(): 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.ShouldBeStatus[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)) 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"]: return self.CIBsync[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: return self.cib_installed = True if self.Env["CIBfilename"] is None: self.log("Installing Generated CIB on node %s" % 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.ShouldBeStatus[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.ShouldBeStatus[node] == "up": self.log( "Node status for %s is %s but we think it should be %s" % (node, "down", self.ShouldBeStatus[node])) self.ShouldBeStatus[node] = "down" return 0 if self.ShouldBeStatus[node] == "down": self.log( "Node status for %s is %s but we think it should be %s: %s" % (node, "up", self.ShouldBeStatus[node], out)) self.ShouldBeStatus[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 = [] for node in self.Env["nodes"]: if self.ShouldBeStatus[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) return ResourceNodes def find_partitions(self): ccm_partitions = [] for node in self.Env["nodes"]: if self.ShouldBeStatus[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.ShouldBeStatus[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 - def Components(self): - complist = [] - common_ignore = [ - "Pending action:", - "(ERROR|error): crm_log_message_adv:", - "(ERROR|error): MSG: No message to dump", - "pending LRM operations at shutdown", - "Lost connection to the CIB manager", - "Connection to the CIB terminated...", - "Sending message to the CIB manager FAILED", - "Action A_RECOVER .* not supported", - "(ERROR|error): stonithd_op_result_ready: not signed on", - "pingd.*(ERROR|error): send_update: Could not send update", - "send_ipc_message: IPC Channel to .* is not connected", - "unconfirmed_actions: Waiting on .* unconfirmed actions", - "cib_native_msgready: Message pending on command channel", - r": Performing A_EXIT_1 - forcefully exiting ", - r"Resource .* was active at shutdown. You may ignore this error if it is unmanaged.", - ] - - stonith_ignore = [ - r"Updating failcount for child_DoFencing", - r"error.*: Fencer connection failed \(will retry\)", - "pacemaker-execd.*(ERROR|error): stonithd_receive_ops_result failed.", - ] - - stonith_ignore.extend(common_ignore) - - ccm = Process(self, "ccm", pats = [ - "State transition .* S_RECOVERY", - "pacemaker-controld.*Action A_RECOVER .* not supported", - r"pacemaker-controld.*: Input I_TERMINATE .*from do_recover", - r"pacemaker-controld.*: Could not recover from internal error", - "pacemaker-controld.*I_ERROR.*crmd_cib_connection_destroy", - # these status numbers are likely wrong now - r"pacemaker-controld.*exited with status 2", - r"attrd.*exited with status 1", - r"cib.*exited with status 2", - "State transition S_STARTING -> S_PENDING", - ], badnews_ignore = common_ignore) - - based = Process(self, "pacemaker-based", pats = [ - "State transition .* S_RECOVERY", - "Lost connection to the CIB manager", - "Connection to the CIB manager terminated", - r"pacemaker-controld.*: Input I_TERMINATE .*from do_recover", - "pacemaker-controld.*I_ERROR.*crmd_cib_connection_destroy", - r"pacemaker-controld.*: Could not recover from internal error", - # these status numbers are likely wrong now - r"pacemaker-controld.*exited with status 2", - r"attrd.*exited with status 1", - ], badnews_ignore = common_ignore) - - execd = Process(self, "pacemaker-execd", pats = [ - "State transition .* S_RECOVERY", - "LRM Connection failed", - "pacemaker-controld.*I_ERROR.*lrm_connection_destroy", - "State transition S_STARTING -> S_PENDING", - r"pacemaker-controld.*: Input I_TERMINATE .*from do_recover", - r"pacemaker-controld.*: Could not recover from internal error", - # this status number is likely wrong now - r"pacemaker-controld.*exited with status 2", - ], badnews_ignore = common_ignore) - - controld = Process(self, "pacemaker-controld", - pats = [ - "State transition .* S_IDLE", - "State transition S_STARTING -> S_PENDING", - ], badnews_ignore = common_ignore) - - schedulerd = Process(self, "pacemaker-schedulerd", pats = [ - "State transition .* S_RECOVERY", - r"pacemaker-controld.*: Input I_TERMINATE .*from do_recover", - r"pacemaker-controld.*: Could not recover from internal error", - r"pacemaker-controld.*CRIT.*: Connection to the scheduler failed", - "pacemaker-controld.*I_ERROR.*save_cib_contents", - # this status number is likely wrong now - r"pacemaker-controld.*exited with status 2", - ], badnews_ignore = common_ignore, dc_only=True) - - if self.Env["DoFencing"]: - complist.append(Process(self, "stoniths", dc_pats = [ - r"pacemaker-controld.*CRIT.*: Fencing daemon connection failed", - "Attempting connection to fencing daemon", - ], badnews_ignore = stonith_ignore)) - - ccm.pats.extend([ - # these status numbers are likely wrong now - r"attrd.*exited with status 1", - r"pacemaker-(based|controld).*exited with status 2", - ]) - based.pats.extend([ - # these status numbers are likely wrong now - r"attrd.*exited with status 1", - r"pacemaker-controld.*exited with status 2", - ]) - execd.pats.extend([ - # these status numbers are likely wrong now - r"pacemaker-controld.*exited with status 2", - ]) - - complist.extend([ ccm, based, execd, controld, schedulerd ]) - - return complist + @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/componentfail.py b/python/pacemaker/_cts/tests/componentfail.py index 4e8b03213c..aa323b3b9b 100644 --- a/python/pacemaker/_cts/tests/componentfail.py +++ b/python/pacemaker/_cts/tests/componentfail.py @@ -1,159 +1,159 @@ """ Kill a pacemaker daemon and test how the cluster recovers """ __all__ = ["ComponentFail"] __copyright__ = "Copyright 2000-2023 the Pacemaker project contributors" __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY" import re from pacemaker._cts.audits import AuditResource from pacemaker._cts.tests.ctstest import CTSTest from pacemaker._cts.tests.simulstartlite import SimulStartLite # 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 ComponentFail(CTSTest): """ A concrete test that kills a random pacemaker daemon and waits for the cluster to recover """ def __init__(self, cm): """ Create a new ComponentFail instance Arguments: cm -- A ClusterManager instance """ CTSTest.__init__(self, cm) self.is_unsafe = True self.name = "ComponentFail" - self._complist = cm.Components() + self._complist = cm.components self._okerrpatterns = [] self._patterns = [] self._startall = SimulStartLite(cm) def __call__(self, node): """ Perform this 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 not node_is_dc: chosen = self._env.random_gen.choice(self._complist) self.debug("...component %s (dc=%s)" % (chosen.name, node_is_dc)) self.incr(chosen.name) if chosen.name != "corosync": self._patterns.extend([ self.templates["Pat:ChildKilled"] % (node, chosen.name), 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.extend([ self.templates["Pat:Fencing_recover"] % r.id, self.templates["Pat:Fencing_probe"] % r.id ]) # supply a copy so self.patterns doesn't end up empty tmp_pats = self._patterns.copy() self._patterns.extend(chosen.badnews_ignore) # Look for STONITH ops, depending on Env["at-boot"] we might need to change the nodes status stonith_pats = [ self.templates["Pat:Fencing_ok"] % node ] stonith = self.create_watch(stonith_pats, 0) stonith.set_watch() # set the watch for stable watch = self.create_watch( tmp_pats, 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: %r" % 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: %r" % 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) if 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