Example #1
0
def remove_levels_by_params(
    reporter, topology_el, level=None, target_type=None, target_value=None,
    devices=None, ignore_if_missing=False
):
    """
    Remove specified fencing level(s). Raise LibraryError if not found.

    object reporter -- report processor
    etree topology_el -- etree element to remove the levels from
    int|string level -- level (index) of the new fencing level
    constant target_type -- the new fencing level target value type
    mixed target_value -- the new fencing level target value
    Iterable devices -- list of stonith devices for the new fencing level
    bool ignore_if_missing -- when True, do not raise if level not found
    """
    if target_type:
        _validate_target_typewise(reporter, target_type)
        reporter.send()

    level_el_list = _find_level_elements(
        topology_el, level, target_type, target_value, devices
    )

    if not level_el_list:
        if ignore_if_missing:
            return
        reporter.process(reports.fencing_level_does_not_exist(
            level, target_type, target_value, devices
        ))
    for el in level_el_list:
        el.getparent().remove(el)
Example #2
0
def remove_levels_by_params(reporter,
                            topology_el,
                            level=None,
                            target_type=None,
                            target_value=None,
                            devices=None,
                            ignore_if_missing=False):
    """
    Remove specified fencing level(s). Raise LibraryError if not found.

    object reporter -- report processor
    etree topology_el -- etree element to remove the levels from
    int|string level -- level (index) of the new fencing level
    constant target_type -- the new fencing level target value type
    mixed target_value -- the new fencing level target value
    Iterable devices -- list of stonith devices for the new fencing level
    bool ignore_if_missing -- when True, do not raise if level not found
    """
    if target_type:
        _validate_target_typewise(reporter, target_type)
        reporter.send()

    level_el_list = _find_level_elements(topology_el, level, target_type,
                                         target_value, devices)

    if not level_el_list:
        if ignore_if_missing:
            return
        reporter.process(
            reports.fencing_level_does_not_exist(level, target_type,
                                                 target_value, devices))
    for el in level_el_list:
        el.getparent().remove(el)
Example #3
0
def remove_levels_by_params(
    topology_el,
    level=None,
    target_type=None,
    target_value=None,
    devices=None,
    ignore_if_missing=False,
) -> ReportItemList:
    """
    Remove specified fencing level(s)

    etree topology_el -- etree element to remove the levels from
    int|string level -- level (index) of the fencing level to remove
    constant target_type -- the removed fencing level target value type
    mixed target_value -- the removed fencing level target value
    Iterable devices -- list of stonith devices of the removed fencing level
    bool ignore_if_missing -- when True, do not report if level not found
    """
    # Do not ever remove a fencing-topology element, even if it is empty. There
    # may be ACLs set in pacemaker which allow "write" for fencing-level
    # elements (adding, changing and removing) but not fencing-topology
    # elements. In such a case, removing a fencing-topology element would cause
    # the whole change to be rejected by pacemaker with a "permission denied"
    # message.
    # https://bugzilla.redhat.com/show_bug.cgi?id=1642514
    report_list: ReportItemList = []
    if target_type:
        report_list.extend(_validate_target_typewise(target_type))
        if has_errors(report_list):
            return report_list

    level_el_list = _find_level_elements(topology_el, level, target_type,
                                         target_value, devices)

    if not level_el_list:
        if ignore_if_missing:
            return report_list
        report_list.append(
            reports.fencing_level_does_not_exist(level, target_type,
                                                 target_value, devices))
    if has_errors(report_list):
        return report_list
    for el in level_el_list:
        el.getparent().remove(el)
    return report_list