def _check_if_atb_can_be_disabled(
service_manager: ServiceManagerInterface,
report_processor: ReportProcessor,
corosync_conf: CorosyncConfFacade,
was_enabled: bool,
force: bool = False,
) -> None:
"""
Check whenever auto_tie_breaker can be changed without affecting SBD.
Raises LibraryError if change of ATB will affect SBD functionality.
service_manager --
report_processor -- report processor
corosync_conf -- corosync conf facade
was_enabled -- True if ATB was enabled, False otherwise
force -- force change
"""
if (was_enabled and not corosync_conf.is_enabled_auto_tie_breaker() and
sbd.is_auto_tie_breaker_needed(service_manager, corosync_conf)):
report_processor.report(
ReportItem(
severity=reports.item.get_severity(
reports.codes.FORCE,
force,
),
message=(reports.messages.
CorosyncQuorumAtbCannotBeDisabledDueToSbd()),
))
if report_processor.has_errors:
raise LibraryError()
def atb_has_to_be_enabled(
service_manager: ServiceManagerInterface,
corosync_conf_facade: CorosyncConfFacade,
node_number_modifier: int = 0,
) -> bool:
"""
Return True whenever quorum option auto tie breaker has to be enabled for
proper working of SBD fencing. False if it's not needed or it is already
enabled.
service_manager --
corosync_conf_facade --
node_number_modifier -- this value vill be added to current number of nodes.
This can be useful to test whenever is ATB needed when adding/removeing
node.
"""
return (not corosync_conf_facade.is_enabled_auto_tie_breaker()
and is_auto_tie_breaker_needed(
service_manager, corosync_conf_facade, node_number_modifier))
