diff --git a/cts/lab/ClusterManager.py b/cts/lab/ClusterManager.py index 13e6423848..4f199fc694 100644 --- a/cts/lab/ClusterManager.py +++ b/cts/lab/ClusterManager.py @@ -1,935 +1,935 @@ """ ClusterManager class for Pacemaker's Cluster Test Suite (CTS) """ __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.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 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 __InitialConditions(self): #if os.geteuid() != 0: # raise ValueError("Must Be Root!") None def _finalConditions(self): for key in list(self.keys()): if self[key] == None: raise ValueError("Improper derivation: self[" + key + "] must be overridden by subclass.") def __init__(self): self.Env = EnvFactory().getInstance() self.templates = PatternSelector(self.Env["Name"]) self.__InitialConditions() self.logger = LogFactory() self.TestLoggingLevel=0 self.data = {} self.name = self.Env["Name"] self.rsh = RemoteFactory().getInstance() self.ShouldBeStatus={} self.ns = NodeStatus(self.Env) self.OurNode = os.uname()[1].lower() self.__instance_errorstoignore = [] self.cib_installed = 0 self.config = None self.use_short_names = 1 self._finalConditions() self.check_transitions = 0 self.check_elections = 0 self.CIBsync = {} self.CibFactory = ConfigFactory(self) - self.cib = self.CibFactory.createConfig(self.Env["Schema"]) + self.cib = self.CibFactory.create_config(self.Env["Schema"]) def __getitem__(self, key): if key == "Name": return self.name print("FIXME: Getting %s from %s" % (key, repr(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 %s" % (key, value, repr(self))) self.data[key] = value def key_for_node(self, node): return node def instance_errorstoignore_clear(self): '''Allows the test scenario to reset instance errors to ignore on each iteration.''' self.__instance_errorstoignore = [] def instance_errorstoignore(self): '''Return list of errors which are 'normal' for a specific test instance''' return self.__instance_errorstoignore 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, BuildOptions.DAEMON_DIR + "/cts-support " + command) def prepare_fencing_watcher(self, name): # 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 upnode = None if self.HasQuorum(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": stonithPats.append(self.templates["Pat:Fencing_ok"] % peer) stonithPats.append(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.HasQuorum(None) if not q and len(self.Env["nodes"]) > 2: # We didn't gain quorum - we shouldn't have shot anyone self.debug("Quorum: %d 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: " + repr(stonith.regexes)) shot = stonith.look(0) while shot: line = repr(shot) self.debug("Found: " + line) 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_errorstoignore.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_errorstoignore.append(self.templates["Pat:Fencing_start"] % peer) if not peer: self.logger.log("ERROR: Unknown stonith match: %s" % line) elif not peer in peer_list: self.debug("Found peer: " + 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 len(stonith.regexes) and shot: line = repr(shot) self.debug("Found: " + line) 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.StataCM(peer): time.sleep(self.Env["StartTime"]) if not self.StataCM(peer): self.logger.log("ERROR: Peer %s failed to restart after being fenced" % peer) return None return peer_list def StartaCM(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)) ret = 1 if not node in self.ShouldBeStatus: self.ShouldBeStatus[node] = "down" if self.ShouldBeStatus[node] != "down": return 1 patterns = [] # Technically we should always be able to notice ourselves starting patterns.append(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.StataCM(node) and self.cluster_stable(self.Env["DeadTime"]): self.logger.log ("%s was already started" % (node)) return 1 stonith = self.prepare_fencing_watcher(node) 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 None 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.debug("Found match: "+ repr(watch_result)) self.fencing_cleanup(node, stonith) return 1 elif self.StataCM(node) and self.cluster_stable(self.Env["DeadTime"]): self.fencing_cleanup(node, stonith) return 1 self.logger.log ("Warn: Start failed for node %s" % (node)) return None def StartaCMnoBlock(self, node, verbose=False): '''Start up the cluster manager on a given node with none-block mode''' 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" return 1 def StopaCM(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 force == False: return 1 (rc, _) = self.rsh(node, self.templates["StopCmd"]) if rc == 0: # Make sure we can continue even if corosync leaks # fdata-* is the old name #self.rsh(node, "rm -rf /dev/shm/qb-* /dev/shm/fdata-*") self.ShouldBeStatus[node] = "down" self.cluster_stable(self.Env["DeadTime"]) return 1 else: self.logger.log ("ERROR: Could not stop %s on node %s" % (self["Name"], node)) return None def StopaCMnoBlock(self, node): '''Stop the cluster manager on a given node with none-block mode''' self.debug("Stopping %s on node %s" % (self["Name"], node)) self.rsh(node, self.templates["StopCmd"], synchronous=False) self.ShouldBeStatus[node] = "down" return 1 def RereadCM(self, node): '''Force the cluster manager on a given node to reread its config This may be a no-op on certain cluster managers. ''' (rc, _) = self.rsh(node, self.templates["RereadCmd"]) if rc == 0: return 1 else: self.logger.log ("Could not force %s on node %s to reread its config" % (self["Name"], node)) return None def startall(self, nodelist=None, verbose=False, quick=False): '''Start the cluster manager on every node in the cluster. We can do it on a subset of the cluster if nodelist is not None. ''' map = {} 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 ... if not self.StartaCM(node, verbose=verbose): return 0 return 1 # Approximation of SimulStartList for --boot watchpats = [ ] watchpats.append(self.templates["Pat:DC_IDLE"]) for node in nodelist: watchpats.append(self.templates["Pat:InfraUp"] % node) watchpats.append(self.templates["Pat:PacemakerUp"] % node) watchpats.append(self.templates["Pat:Local_started"] % node) watchpats.append(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.StartaCM(nodelist[0], verbose=verbose): return 0 for node in nodelist: self.StartaCMnoBlock(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 0 return 1 def stopall(self, nodelist=None, verbose=False, force=False): '''Stop the cluster managers on every node in the cluster. We can do it on a subset of the cluster if nodelist is not None. ''' ret = 1 map = {} if not nodelist: nodelist = self.Env["nodes"] for node in self.Env["nodes"]: if self.ShouldBeStatus[node] == "up" or force == True: if not self.StopaCM(node, verbose=verbose, force=force): ret = 0 return ret def rereadall(self, nodelist=None): '''Force the cluster managers on every node in the cluster to reread their config files. We can do it on a subset of the cluster if nodelist is not None. ''' map = {} if not nodelist: nodelist = self.Env["nodes"] for node in self.Env["nodes"]: if self.ShouldBeStatus[node] == "up": self.RereadCM(node) 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.StataCM(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: (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 None else: self.debug("Communication cut between %s and %s" % (target, node)) return 1 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: restored = 0 # 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 oprofileStart(self, node=None): if not node: for n in self.Env["oprofile"]: self.oprofileStart(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 oprofileSave(self, test, node=None): if not node: for n in self.Env["oprofile"]: self.oprofileSave(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* if None: self.rsh(node, "opcontrol --reset") else: self.oprofileStop(node) self.oprofileStart(node) def oprofileStop(self, node=None): if not node: for n in self.Env["oprofile"]: self.oprofileStop(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 errorstoignore(self): # At some point implement a more elegant solution that # also produces a report at the end """ Return a list of known error messages that should be ignored """ return self.templates.get_patterns("BadNewsIgnore") def install_config(self, node): if not self.ns.wait_for_node(node): self.log("Node %s is not up." % node) return None if not node in self.CIBsync and self.Env["ClobberCIB"]: self.CIBsync[node] = 1 self.rsh(node, "rm -f " + BuildOptions.CIB_DIR + "/cib*") # Only install the CIB on the first node, all the other ones will pick it up from there if self.cib_installed == 1: return None self.cib_installed = 1 if self.Env["CIBfilename"] == 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)) if self.rsh.copy(self.Env["CIBfilename"], "root@" + (self.templates["CIBfile"] % node)) != 0: raise ValueError("Can not scp file to %s %d"%(node)) self.rsh(node, "chown " + BuildOptions.DAEMON_USER + " " + BuildOptions.CIB_DIR + "/cib.xml") 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.StataCM(node) def test_node_CM(self, node): '''Report the status of the cluster manager on a given node''' watchpats = [ ] watchpats.append("Current ping state: (S_IDLE|S_NOT_DC)") watchpats.append(self.templates["Pat:NonDC_started"] % node) watchpats.append(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 # Is the node up or is the node down def StataCM(self, node): '''Report the status of the cluster manager on a given node''' if self.test_node_CM(node) > 0: return 1 return None # 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 1 self.log("Warn: Node %s not stable" % (node)) return None def partition_stable(self, nodes, timeout=None): watchpats = [ ] watchpats.append("Current ping state: S_IDLE") watchpats.append(self.templates["Pat:DC_IDLE"]) self.debug("Waiting for cluster stability...") if timeout == None: timeout = self.Env["DeadTime"] if len(nodes) < 3: self.debug("Cluster is inactive") return 1 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 1 ret = idle_watch.look() self.debug("Warn: Partition %s not IDLE after %ds" % (repr(nodes), timeout)) return None 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 None if double_check: # 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 None return 1 def is_node_dc(self, node, status_line=None): rc = 0 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: rc = 0 elif status_line.find('S_IDLE') != -1: rc = 1 elif status_line.find('S_INTEGRATION') != -1: rc = 1 elif status_line.find('S_FINALIZE_JOIN') != -1: rc = 1 elif status_line.find('S_POLICY_ENGINE') != -1: rc = 1 elif status_line.find('S_TRANSITION_ENGINE') != -1: rc = 1 return rc def active_resources(self, node): (_, output) = self.rsh(node, "crm_resource -c", verbose=1) resources = [] for line in output: if re.search("^Resource", line): tmp = AuditResource(self, line) if tmp.type == "primitive" and tmp.host == node: resources.append(tmp.id) return resources def ResourceLocation(self, rid): ResourceNodes = [] for node in self.Env["nodes"]: if self.ShouldBeStatus[node] == "up": 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: "+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": (_, 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: 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)) else: self.log("bad partition details for %s" % node) else: self.debug("Node %s is down... skipping" % node) self.debug("Found partitions: %s" % repr(ccm_partitions) ) return ccm_partitions def HasQuorum(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": (_, quorum) = self.rsh(node, self.templates["QuorumCmd"], verbose=1) quorum = quorum[0].strip() if quorum.find("1") != -1: return 1 elif quorum.find("0") != -1: return 0 else: self.debug("WARN: Unexpected quorum test result from " + node + ":" + quorum) return 0 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", # Not if it was fenced # "A new node joined the cluster", # "WARN: determine_online_status: Node .* is unclean", # "Scheduling node .* for fencing", # "Executing .* fencing operation", # "tengine_stonith_callback: .*result=0", # "Processing I_NODE_JOIN:.* cause=C_HA_MESSAGE", # "State transition S_.* -> S_INTEGRATION.*input=I_NODE_JOIN", "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 = [ # "WARN: determine_online_status: Node .* is unclean", # "Scheduling node .* for fencing", # "Executing .* fencing operation", # "tengine_stonith_callback: .*result=0", "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.append(ccm) complist.append(based) complist.append(execd) complist.append(controld) complist.append(schedulerd) return complist def StandbyStatus(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: "+out) return out # status == "on" : Enter Standby mode # status == "off": Enter Active mode def SetStandbyMode(self, node, status): current_status = self.StandbyStatus(node) cmd = self.templates["StandbyCmd"] % (node, status) self.rsh(node, cmd) return True def AddDummyRsc(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 RemoveDummyRsc(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/cib.py b/python/pacemaker/_cts/cib.py index 8219b7b8af..d28e61e888 100644 --- a/python/pacemaker/_cts/cib.py +++ b/python/pacemaker/_cts/cib.py @@ -1,424 +1,375 @@ """ CIB generator for Pacemaker's Cluster Test Suite (CTS) """ __all__ = ["ConfigFactory"] __copyright__ = "Copyright 2008-2023 the Pacemaker project contributors" __license__ = "GNU General Public License version 2 or later (GPLv2+) WITHOUT ANY WARRANTY" import warnings import tempfile from pacemaker.buildoptions import BuildOptions from pacemaker._cts.cibxml import Alerts, Clone, Expression, FencingTopology, Group, Nodes, OpDefaults, Option, Resource, Rule from pacemaker._cts.network import next_ip class ConfigBase: cts_cib = None - version = "unknown" Factory = None - def __init__(self, CM, factory, tmpfile=None): + def __init__(self, CM, version, factory, tmpfile=None): self.CM = CM + self.version = version self.Factory = factory if not tmpfile: warnings.filterwarnings("ignore") f=tempfile.NamedTemporaryFile(delete=True) f.close() tmpfile = f.name warnings.resetwarnings() self.Factory.tmpfile = tmpfile -class CIB12(ConfigBase): - version = "pacemaker-1.2" +class CIB(ConfigBase): counter = 1 def _show(self, command=""): output = "" (_, result) = self.Factory.rsh(self.Factory.target, "HOME=/root CIB_file=%s cibadmin -Ql %s" % (self.Factory.tmpfile, command), verbose=1) for line in result: output += line self.Factory.debug("Generated Config: %s" % line) return output def NewIP(self, name=None, standard="ocf"): if self.CM.Env["IPagent"] == "IPaddr2": ip = next_ip(self.CM.Env["IPBase"]) if not name: if ":" in ip: (_, _, suffix) = ip.rpartition(":") name = "r%s" % suffix else: name = "r%s" % ip r = Resource(self.Factory, name, self.CM.Env["IPagent"], standard) r["ip"] = ip if ":" in ip: r["cidr_netmask"] = "64" r["nic"] = "eth0" else: r["cidr_netmask"] = "32" else: if not name: name = "r%s%d" % (self.CM.Env["IPagent"], self.counter) self.counter += 1 r = Resource(self.Factory, name, self.CM.Env["IPagent"], standard) r.add_op("monitor", "5s") return r def get_node_id(self, node_name): """ Check the cluster configuration for a node ID. """ # We can't account for every possible configuration, # so we only return a node ID if: # * The node is specified in /etc/corosync/corosync.conf # with "ring0_addr:" equal to node_name and "nodeid:" # explicitly specified. # In all other cases, we return 0. node_id = 0 # awkward command: use } as record separator # so each corosync.conf "object" is one record; # match the "node {" record that has "ring0_addr: node_name"; # then print the substring of that record after "nodeid:" (rc, output) = self.Factory.rsh(self.Factory.target, r"""awk -v RS="}" """ r"""'/^(\s*nodelist\s*{)?\s*node\s*{.*(ring0_addr|name):\s*%s(\s+|$)/""" r"""{gsub(/.*nodeid:\s*/,"");gsub(/\s+.*$/,"");print}' %s""" % (node_name, BuildOptions.COROSYNC_CONFIG_FILE), verbose=1) if rc == 0 and len(output) == 1: try: node_id = int(output[0]) except ValueError: node_id = 0 return node_id def install(self, target): old = self.Factory.tmpfile # Force a rebuild self.cts_cib = None self.Factory.tmpfile = "%s/cib.xml" % BuildOptions.CIB_DIR self.contents(target) self.Factory.rsh(self.Factory.target, "chown %s %s" % (BuildOptions.DAEMON_USER, self.Factory.tmpfile)) self.Factory.tmpfile = old def contents(self, target=None): # fencing resource if self.cts_cib: return self.cts_cib if target: self.Factory.target = target self.Factory.rsh(self.Factory.target, "HOME=/root cibadmin --empty %s > %s" % (self.version, self.Factory.tmpfile)) self.num_nodes = len(self.CM.Env["nodes"]) no_quorum = "stop" if self.num_nodes < 3: no_quorum = "ignore" self.Factory.log("Cluster only has %d nodes, configuring: no-quorum-policy=ignore" % self.num_nodes) # We don't need a nodes section unless we add attributes stn = None # Fencing resource # Define first so that the shell doesn't reject every update if self.CM.Env["DoFencing"]: # Define the "real" fencing device st = Resource(self.Factory, "Fencing", self.CM.Env["stonith-type"], "stonith") # Set a threshold for unreliable stonith devices such as the vmware one st.add_meta("migration-threshold", "5") st.add_op("monitor", "120s", timeout="120s") st.add_op("stop", "0", timeout="60s") st.add_op("start", "0", timeout="60s") # For remote node tests, a cluster node is stopped and brought back up # as a remote node with the name "remote-OLDNAME". To allow fencing # devices to fence these nodes, create a list of all possible node names. all_node_names = [ prefix+n for n in self.CM.Env["nodes"] for prefix in ('', 'remote-') ] # Add all parameters specified by user entries = self.CM.Env["stonith-params"].split(',') for entry in entries: try: (name, value) = entry.split('=', 1) except ValueError: print("Warning: skipping invalid fencing parameter: %s" % entry) continue # Allow user to specify "all" as the node list, and expand it here if name in [ "hostlist", "pcmk_host_list" ] and value == "all": value = ' '.join(all_node_names) st[name] = value st.commit() # Test advanced fencing logic stf_nodes = [] stt_nodes = [] attr_nodes = {} # Create the levels stl = FencingTopology(self.Factory) for node in self.CM.Env["nodes"]: # Remote node tests will rename the node remote_node = "remote-%s" % node # Randomly assign node to a fencing method ftype = self.CM.Env.random_gen.choice(["levels-and", "levels-or ", "broadcast "]) # For levels-and, randomly choose targeting by node name or attribute by = "" if ftype == "levels-and": node_id = self.get_node_id(node) if node_id == 0 or self.CM.Env.random_gen.choice([True, False]): by = " (by name)" else: attr_nodes[node] = node_id by = " (by attribute)" self.CM.log(" - Using %s fencing for node: %s%s" % (ftype, node, by)) if ftype == "levels-and": # If targeting by name, add a topology level for this node if node not in attr_nodes: stl.level(1, node, "FencingPass,Fencing") # Always target remote nodes by name, otherwise we would need to add # an attribute to the remote node only during remote tests (we don't # want nonexistent remote nodes showing up in the non-remote tests). # That complexity is not worth the effort. stl.level(1, remote_node, "FencingPass,Fencing") # Add the node (and its remote equivalent) to the list of levels-and nodes. stt_nodes.extend([node, remote_node]) elif ftype == "levels-or ": for n in [ node, remote_node ]: stl.level(1, n, "FencingFail") stl.level(2, n, "Fencing") stf_nodes.extend([node, remote_node]) # If any levels-and nodes were targeted by attribute, # create the attributes and a level for the attribute. if attr_nodes: stn = Nodes(self.Factory) for (node_name, node_id) in attr_nodes.items(): stn.add_node(node_name, node_id, { "cts-fencing" : "levels-and" }) stl.level(1, None, "FencingPass,Fencing", "cts-fencing", "levels-and") # Create a Dummy agent that always passes for levels-and if stt_nodes: stt = Resource(self.Factory, "FencingPass", "fence_dummy", "stonith") stt["pcmk_host_list"] = " ".join(stt_nodes) # Wait this many seconds before doing anything, handy for letting disks get flushed too stt["random_sleep_range"] = "30" stt["mode"] = "pass" stt.commit() # Create a Dummy agent that always fails for levels-or if stf_nodes: stf = Resource(self.Factory, "FencingFail", "fence_dummy", "stonith") stf["pcmk_host_list"] = " ".join(stf_nodes) # Wait this many seconds before doing anything, handy for letting disks get flushed too stf["random_sleep_range"] = "30" stf["mode"] = "fail" stf.commit() # Now commit the levels themselves stl.commit() o = Option(self.Factory) o["stonith-enabled"] = self.CM.Env["DoFencing"] o["start-failure-is-fatal"] = "false" o["pe-input-series-max"] = "5000" o["shutdown-escalation"] = "5min" o["batch-limit"] = "10" o["dc-deadtime"] = "5s" o["no-quorum-policy"] = no_quorum o.commit() o = OpDefaults(self.Factory) o["timeout"] = "90s" o.commit() # Commit the nodes section if we defined one if stn is not None: stn.commit() # Add an alerts section if possible if self.Factory.rsh.exists_on_all(self.CM.Env["notification-agent"], self.CM.Env["nodes"]): alerts = Alerts(self.Factory) alerts.add_alert(self.CM.Env["notification-agent"], self.CM.Env["notification-recipient"]) alerts.commit() # Add resources? if self.CM.Env["CIBResource"]: self.add_resources() # generate cib self.cts_cib = self._show() if self.Factory.tmpfile != "%s/cib.xml" % BuildOptions.CIB_DIR: self.Factory.rsh(self.Factory.target, "rm -f %s" % self.Factory.tmpfile) return self.cts_cib def add_resources(self): # Per-node resources for node in self.CM.Env["nodes"]: name = "rsc_%s" % node r = self.NewIP(name) r.prefer(node, "100") r.commit() # Migrator # Make this slightly sticky (since we have no other location constraints) to avoid relocation during Reattach m = Resource(self.Factory, "migrator","Dummy", "ocf", "pacemaker") m["passwd"] = "whatever" m.add_meta("resource-stickiness","1") m.add_meta("allow-migrate", "1") m.add_op("monitor", "P10S") m.commit() # Ping the test exerciser p = Resource(self.Factory, "ping-1","ping", "ocf", "pacemaker") p.add_op("monitor", "60s") p["host_list"] = self.CM.Env["cts-exerciser"] p["name"] = "connected" p["debug"] = "true" c = Clone(self.Factory, "Connectivity", p) c["globally-unique"] = "false" c.commit() # promotable clone resource s = Resource(self.Factory, "stateful-1", "Stateful", "ocf", "pacemaker") s.add_op("monitor", "15s", timeout="60s") s.add_op("monitor", "16s", timeout="60s", role="Promoted") ms = Clone(self.Factory, "promotable-1", s) ms["promotable"] = "true" ms["clone-max"] = self.num_nodes ms["clone-node-max"] = 1 ms["promoted-max"] = 1 ms["promoted-node-max"] = 1 # Require connectivity to run the promotable clone r = Rule(self.Factory, "connected", "-INFINITY", op="or") r.add_child(Expression(self.Factory, "m1-connected-1", "connected", "lt", "1")) r.add_child(Expression(self.Factory, "m1-connected-2", "connected", "not_defined", None)) ms.prefer("connected", rule=r) ms.commit() # Group Resource g = Group(self.Factory, "group-1") g.add_child(self.NewIP()) if self.CM.Env["have_systemd"]: sysd = Resource(self.Factory, "petulant", "pacemaker-cts-dummyd@10", "service") sysd.add_op("monitor", "P10S") g.add_child(sysd) else: g.add_child(self.NewIP()) g.add_child(self.NewIP()) # Make group depend on the promotable clone g.after("promotable-1", first="promote", then="start") g.colocate("promotable-1", "INFINITY", withrole="Promoted") g.commit() # LSB resource lsb = Resource(self.Factory, "lsb-dummy", "LSBDummy", "lsb") lsb.add_op("monitor", "5s") # LSB with group lsb.after("group-1") lsb.colocate("group-1") lsb.commit() -class CIB20(CIB12): - version = "pacemaker-2.5" - -class CIB30(CIB12): - version = "pacemaker-3.7" - - class ConfigFactory: def __init__(self, CM): self.CM = CM self.rsh = self.CM.rsh - self.register("pacemaker12", CIB12, CM, self) - self.register("pacemaker20", CIB20, CM, self) - self.register("pacemaker30", CIB30, CM, self) if not self.CM.Env["ListTests"]: self.target = self.CM.Env["nodes"][0] self.tmpfile = None def log(self, args): self.CM.log("cib: %s" % args) def debug(self, args): self.CM.debug("cib: %s" % args) - def register(self, methodName, constructor, *args, **kargs): - """register a constructor""" - _args = [constructor] - _args.extend(args) - setattr(self, methodName, ConfigFactoryItem(*_args, **kargs)) - - def unregister(self, methodName): - """unregister a constructor""" - delattr(self, methodName) - - def createConfig(self, name="pacemaker-1.0"): - if name == "pacemaker-1.0": - name = "pacemaker10" - elif name == "pacemaker-1.2": - name = "pacemaker12" - elif name == "pacemaker-2.0": - name = "pacemaker20" - elif name.startswith("pacemaker-3."): - name = "pacemaker30" - - if hasattr(self, name): - return getattr(self, name)() - - self.CM.log("Configuration variant '%s' is unknown. Defaulting to latest config" % name) - return self.pacemaker30() - - -class ConfigFactoryItem: - def __init__(self, function, *args, **kargs): - self._function = function - self._args = args - self._kargs = kargs - - def __call__(self, *args, **kargs): - """call function""" - _args = list(self._args) - _args.extend(args) - _kargs = self._kargs.copy() - _kargs.update(kargs) - return self._function(*_args,**_kargs) + def create_config(self, name="pacemaker-1.0"): + return CIB(self.CM, name, self)