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diff --git a/python/pacemaker/_cts/patterns.py b/python/pacemaker/_cts/patterns.py
index 3c161b22ec..adfc61e3e7 100644
--- a/python/pacemaker/_cts/patterns.py
+++ b/python/pacemaker/_cts/patterns.py
@@ -1,399 +1,403 @@
"""Pattern-holding classes for Pacemaker's Cluster Test Suite (CTS)."""
__all__ = ["PatternSelector"]
__copyright__ = "Copyright 2008-2025 the Pacemaker project contributors"
__license__ = "GNU General Public License version 2 or later (GPLv2+)"
import argparse
from pacemaker.buildoptions import BuildOptions
class BasePatterns:
"""
The base class for holding a stack-specific set of command and log file/stdout patterns.
Stack-specific classes need to be built on top of this one.
"""
def __init__(self):
"""Create a new BasePatterns instance which holds a very minimal set of basic patterns."""
self._bad_news = []
self._components = {}
self._name = "crm-base"
self._ignore = [
"avoid confusing Valgrind",
# Logging bug in some versions of libvirtd
r"libvirtd.*: internal error: Failed to parse PCI config address",
# pcs can log this when node is fenced, but fencing is OK in some
# tests (and we will catch it in pacemaker logs when not OK)
r"pcs.daemon:No response from: .* request: get_configs, error:",
# This is overbroad, but there's no way to say that only certain
# transition errors are acceptable. We have to rely on causes of a
# transition error logging their own error message, which should
# always be the case.
r"pacemaker-schedulerd.* Calculated transition .*/pe-error",
+
+ # This message comes up periodically but doesn't actually seem to
+ # be related to any specific test failure, so just ignore it.
+ r"pacemaker-based.* Local CIB .* differs from",
]
self._commands = {
"StatusCmd": "crmadmin -t 60 -S %s 2>/dev/null",
"CibQuery": "cibadmin -Q",
"CibAddXml": "cibadmin --modify -c --xml-text %s",
"CibDelXpath": "cibadmin --delete --xpath %s",
"RscRunning": BuildOptions.DAEMON_DIR + "/cts-exec-helper -R -r %s",
"CIBfile": "%s:" + BuildOptions.CIB_DIR + "/cib.xml",
"TmpDir": "/tmp",
"BreakCommCmd": "iptables -A INPUT -s %s -j DROP >/dev/null 2>&1",
"FixCommCmd": "iptables -D INPUT -s %s -j DROP >/dev/null 2>&1",
"MaintenanceModeOn": "cibadmin --modify -c --xml-text '<cluster_property_set id=\"cib-bootstrap-options\"><nvpair id=\"cts-maintenance-mode-setting\" name=\"maintenance-mode\" value=\"true\"/></cluster_property_set>'",
"MaintenanceModeOff": "cibadmin --delete --xpath \"//nvpair[@name='maintenance-mode']\"",
"StandbyCmd": "crm_attribute -Vq -U %s -n standby -l forever -v %s 2>/dev/null",
"StandbyQueryCmd": "crm_attribute -qG -U %s -n standby -l forever -d off 2>/dev/null",
}
self._search = {
"Pat:DC_IDLE": r"pacemaker-controld.*State transition.*-> S_IDLE",
# This won't work if we have multiple partitions
"Pat:Local_started": r"%s\W.*controller successfully started",
"Pat:NonDC_started": r"%s\W.*State transition.*-> S_NOT_DC",
"Pat:DC_started": r"%s\W.*State transition.*-> S_IDLE",
"Pat:We_stopped": r"%s\W.*OVERRIDE THIS PATTERN",
"Pat:They_stopped": r"%s\W.*LOST:.* %s ",
"Pat:They_dead": r"node %s.*: is dead",
"Pat:They_up": r"%s %s\W.*OVERRIDE THIS PATTERN",
"Pat:TransitionComplete": "Transition status: Complete: complete",
"Pat:Fencing_start": r"Requesting peer fencing .* targeting %s",
"Pat:Fencing_ok": r"pacemaker-fenced.*:\s*Operation .* targeting %s by .* for .*@.*: OK",
"Pat:Fencing_recover": r"pacemaker-schedulerd.*: Recover\s+%s",
"Pat:Fencing_active": r"stonith resource .* is active on 2 nodes (attempting recovery)",
"Pat:Fencing_probe": r"pacemaker-controld.* Result of probe operation for %s on .*: Error",
"Pat:RscOpOK": r"pacemaker-controld.*:\s+Result of %s operation for %s.*: (0 \()?OK",
"Pat:RscOpFail": r"pacemaker-schedulerd.*:.*Unexpected result .* recorded for %s of %s ",
"Pat:CloneOpFail": r"pacemaker-schedulerd.*:.*Unexpected result .* recorded for %s of (%s|%s) ",
"Pat:RscRemoteOpOK": r"pacemaker-controld.*:\s+Result of %s operation for %s on %s: (0 \()?OK",
"Pat:NodeFenced": r"pacemaker-controld.*:\s* Peer %s was terminated \(.*\) by .* on behalf of .*: OK",
}
def get_component(self, key):
"""
Return the patterns for a single component as a list, given by key.
This is typically the name of some subprogram (pacemaker-based,
pacemaker-fenced, etc.) or various special purpose keys. If key is
unknown, return an empty list.
"""
if key in self._components:
return self._components[key]
print(f"Unknown component '{key}' for {self._name}")
return []
def get_patterns(self, key):
"""
Return various patterns supported by this object, given by key.
Depending on the key, this could either be a list or a hash. If key is
unknown, return None.
"""
if key == "BadNews":
return self._bad_news
if key == "BadNewsIgnore":
return self._ignore
if key == "Commands":
return self._commands
if key == "Search":
return self._search
if key == "Components":
return self._components
print(f"Unknown pattern '{key}' for {self._name}")
return None
def __getitem__(self, key):
if key == "Name":
return self._name
if key in self._commands:
return self._commands[key]
if key in self._search:
return self._search[key]
print(f"Unknown template '{key}' for {self._name}")
return None
class Corosync2Patterns(BasePatterns):
"""Patterns for Corosync version 2 cluster manager class."""
def __init__(self):
BasePatterns.__init__(self)
self._name = "crm-corosync"
self._commands.update({
"StartCmd": "service corosync start && service pacemaker start",
"StopCmd": "service pacemaker stop; [ ! -e /usr/sbin/pacemaker-remoted ] || service pacemaker_remote stop; service corosync stop",
"EpochCmd": "crm_node -e",
"QuorumCmd": "crm_node -q",
"PartitionCmd": "crm_node -p",
})
self._search.update({
# Close enough ... "Corosync Cluster Engine exiting normally" isn't
# printed reliably.
"Pat:We_stopped": r"%s\W.*Unloading all Corosync service engines",
"Pat:They_stopped": r"%s\W.*pacemaker-controld.*Node %s(\[|\s).*state is now lost",
"Pat:They_dead": r"pacemaker-controld.*Node %s(\[|\s).*state is now lost",
"Pat:They_up": r"\W%s\W.*pacemaker-controld.*Node %s state is now member",
"Pat:ChildExit": r"\[[0-9]+\] exited with status [0-9]+ \(",
# "with signal 9" == pcmk_child_exit(), "$" == check_active_before_startup_processes()
"Pat:ChildKilled": r"%s\W.*pacemakerd.*%s\[[0-9]+\] terminated( with signal 9|$)",
"Pat:ChildRespawn": r"%s\W.*pacemakerd.*Respawning subdaemon %s after unexpected exit",
"Pat:InfraUp": r"%s\W.*corosync.*Initializing transport",
"Pat:PacemakerUp": r"%s\W.*pacemakerd.*Starting Pacemaker",
})
self._ignore += [
r"crm_mon:",
r"crmadmin:",
r"update_trace_data",
r"async_notify:.*strange, client not found",
r"Parse error: Ignoring unknown option .*nodename",
r"error.*: Operation 'reboot' .* using FencingFail returned ",
r"getinfo response error: 1$",
r"sbd.* error: inquisitor_child: DEBUG MODE IS ACTIVE",
r"sbd.* pcmk:\s*error:.*Connection to cib_ro.* (failed|closed)",
]
self._bad_news = [
r"[^(]error:",
r"crit:",
r"ERROR:",
r"CRIT:",
r"Shutting down...NOW",
r"Timer I_TERMINATE just popped",
r"input=I_ERROR",
r"input=I_FAIL",
r"input=I_INTEGRATED cause=C_TIMER_POPPED",
r"input=I_FINALIZED cause=C_TIMER_POPPED",
r"input=I_ERROR",
r"(pacemakerd|pacemaker-execd|pacemaker-controld):.*, exiting",
r"schedulerd.*Attempting recovery of resource",
r"is taking more than 2x its timeout",
r"Confirm not received from",
r"Welcome reply not received from",
r"Attempting to schedule .* after a stop",
r"Resource .* was active at shutdown",
r"duplicate entries for call_id",
r"Search terminated:",
r":global_timer_callback",
r"Faking parameter digest creation",
r"Parameters to .* action changed:",
r"Parameters to .* changed",
r"pacemakerd.*\[[0-9]+\] terminated( with signal|$)",
r"pacemakerd.*\[[0-9]+\] .* will now be killed",
r"pacemaker-schedulerd.*Recover\s+.*\(.* -\> .*\)",
r"rsyslogd.* lost .* due to rate-limiting",
r"Peer is not part of our cluster",
r"We appear to be in an election loop",
r"Unknown node -> we will not deliver message",
r"(Blackbox dump requested|Problem detected)",
r"pacemakerd.*Could not connect to Cluster Configuration Database API",
r"Receiving messages from a node we think is dead",
r"share the same cluster nodeid",
r"share the same name",
r"pacemaker-controld:.*Transition failed: terminated",
r"Local CIB .* differs from .*:",
r"warn.*:\s*Continuing but .* will NOT be used",
r"warn.*:\s*Cluster configuration file .* is corrupt",
r"Election storm",
r"stalled the FSA with pending inputs",
]
self._components["common-ignore"] = [
r"Pending action:",
r"resource( was|s were) active at shutdown",
r"pending LRM operations at shutdown",
r"Lost connection to the CIB manager",
r"pacemaker-controld.*:\s*Action A_RECOVER .* not supported",
r"pacemaker-controld.*:\s*Exiting now due to errors",
r".*:\s*Requesting fencing \([^)]+\) targeting node ",
r"(Blackbox dump requested|Problem detected)",
]
self._components["corosync-ignore"] = [
r"Could not connect to Corosync CFG: CS_ERR_LIBRARY",
r"error:.*Connection to the CPG API failed: Library error",
r"\[[0-9]+\] exited with status [0-9]+ \(",
r"\[[0-9]+\] terminated with signal 15",
r"pacemaker-based.*error:.*Corosync connection lost",
r"pacemaker-fenced.*error:.*Corosync connection terminated",
r"pacemaker-controld.*State transition .* S_RECOVERY",
r"pacemaker-controld.*error:.*Input (I_ERROR|I_TERMINATE ) .*received in state",
r"pacemaker-controld.*error:.*Could not recover from internal error",
r"error:.*Connection to cib_(shm|rw).* (failed|closed)",
r"error:.*cib_(shm|rw) IPC provider disconnected while waiting",
r"error:.*Connection to (fencer|stonith-ng).* (closed|failed|lost)",
r"error: Lost fencer connection",
]
self._components["corosync"] = [
# We expect each daemon to lose its cluster connection.
# However, if the CIB manager loses its connection first,
# it's possible for another daemon to lose that connection and
# exit before losing the cluster connection.
r"pacemakerd.*:\s*warning:.*Lost connection to cluster layer",
r"pacemaker-attrd.*:\s*(crit|error):.*Lost connection to (Corosync process group|the CIB manager)",
r"pacemaker-based.*:\s*crit:.*Exiting immediately after losing connection to cluster layer",
r"pacemaker-controld.*:\s*(crit|error):.*Lost connection to (cluster layer|the CIB manager)",
r"pacemaker-fenced.*:\s*(crit|error):.*Lost connection to (cluster layer|the CIB manager)",
r"schedulerd.*Scheduling node .* for fencing",
r"pacemaker-controld.*:\s*Peer .* was terminated \(.*\) by .* on behalf of .*:\s*OK",
]
self._components["pacemaker-based"] = [
r"pacemakerd.* pacemaker-attrd\[[0-9]+\] exited with status 102",
r"pacemakerd.* pacemaker-controld\[[0-9]+\] exited with status 1",
r"pacemakerd.* Respawning subdaemon pacemaker-attrd after unexpected exit",
r"pacemakerd.* Respawning subdaemon pacemaker-based after unexpected exit",
r"pacemakerd.* Respawning subdaemon pacemaker-controld after unexpected exit",
r"pacemakerd.* Respawning subdaemon pacemaker-fenced after unexpected exit",
r"pacemaker-.* Connection to cib_.* (failed|closed)",
r"pacemaker-attrd.*:.*Lost connection to the CIB manager",
r"pacemaker-controld.*:.*Lost connection to the CIB manager",
r"pacemaker-controld.*I_ERROR.*handle_cib_disconnect",
r"pacemaker-controld.* State transition .* S_RECOVERY",
r"pacemaker-controld.*: Input I_TERMINATE .*from do_recover",
r"pacemaker-controld.*Could not recover from internal error",
]
self._components["pacemaker-based-ignore"] = [
r"pacemaker-execd.*Connection to (fencer|stonith-ng).* (closed|failed|lost)",
r"pacemaker-controld.*:\s+Result of .* operation for Fencing.*Error \(Lost connection to fencer\)",
r"pacemaker-controld.*:Could not connect to attrd: Connection refused",
]
self._components["pacemaker-execd"] = [
r"pacemaker-controld.*Lost connection to local executor",
r"pacemaker-controld.*I_ERROR.*lrm_connection_destroy",
r"pacemaker-controld.*State transition .* S_RECOVERY",
r"pacemaker-controld.*: Input I_TERMINATE .*from do_recover",
r"pacemaker-controld.*Could not recover from internal error",
r"pacemakerd.*pacemaker-controld\[[0-9]+\] exited with status 1",
r"pacemakerd.* Respawning subdaemon pacemaker-execd after unexpected exit",
r"pacemakerd.* Respawning subdaemon pacemaker-controld after unexpected exit",
]
self._components["pacemaker-execd-ignore"] = [
r"pacemaker-(attrd|controld).*Connection to lrmd.* (failed|closed)",
r"pacemaker-(attrd|controld).*Could not execute alert",
]
self._components["pacemaker-controld"] = [
r"State transition .* -> S_IDLE",
]
self._components["pacemaker-controld-ignore"] = []
self._components["pacemaker-attrd"] = []
self._components["pacemaker-attrd-ignore"] = [
r"pacemaker-controld.*Connection to attrd (IPC failed|closed)",
]
self._components["pacemaker-schedulerd"] = [
r"State transition .* S_RECOVERY",
r"pacemakerd.* Respawning subdaemon pacemaker-controld after unexpected exit",
r"pacemaker-controld\[[0-9]+\] exited with status 1 \(",
r"pacemaker-controld.*Lost connection to the scheduler",
r"pacemaker-controld.*I_ERROR.*save_cib_contents",
r"pacemaker-controld.*: Input I_TERMINATE .*from do_recover",
r"pacemaker-controld.*Could not recover from internal error",
]
self._components["pacemaker-schedulerd-ignore"] = [
r"Connection to pengine.* (failed|closed)",
]
self._components["pacemaker-fenced"] = [
r"error:.*Connection to (fencer|stonith-ng).* (closed|failed|lost)",
r"Lost fencer connection",
r"pacemaker-controld.*Fencer successfully connected",
]
self._components["pacemaker-fenced-ignore"] = [
r"(error|warning):.*Connection to (fencer|stonith-ng).* (closed|failed|lost)",
r"error:.*Lost fencer connection",
r"error:.*Fencer connection failed \(will retry\)",
r"pacemaker-controld.*:\s+Result of .* operation for Fencing.*Error \(Lost connection to fencer\)",
]
self._components["pacemaker-fenced-ignore"].extend(self._components["common-ignore"])
patternVariants = {
"crm-base": BasePatterns,
"crm-corosync": Corosync2Patterns
}
class PatternSelector:
"""Choose from among several Pattern objects and return the information from that object."""
def __init__(self, name="crm-corosync"):
"""
Create a new PatternSelector object.
Instantiate whatever class is given by name. Defaults to Corosync2Patterns
for "crm-corosync" or None. While other objects could be supported in the
future, only this and the base object are supported at this time.
"""
self._name = name
# If no name was given, use the default. Otherwise, look up the appropriate
# class in patternVariants, instantiate it, and use that.
if not name:
self._base = Corosync2Patterns()
else:
self._base = patternVariants[name]()
def get_patterns(self, kind):
"""Call get_patterns on the previously instantiated pattern object."""
return self._base.get_patterns(kind)
def get_template(self, key):
"""
Return a single pattern from the previously instantiated pattern object.
If no pattern exists for the given key, return None.
"""
return self._base[key]
def get_component(self, kind):
"""Call get_component on the previously instantiated pattern object."""
return self._base.get_component(kind)
def __getitem__(self, key):
"""Return the pattern for the given key, or None if it does not exist."""
return self.get_template(key)
# PYTHONPATH=python python python/pacemaker/_cts/patterns.py -k crm-corosync -t StartCmd
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument("-k", "--kind", metavar="KIND")
parser.add_argument("-t", "--template", metavar="TEMPLATE")
args = parser.parse_args()
print(PatternSelector(args.kind)[args.template])

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