def disable_safe(env, resource_ids, strict, wait):
"""
Disallow specified resource to be started by the cluster only if there is
no effect on other resources
LibraryEnvironment env --
strings resource_ids -- ids of the resources to be disabled
bool strict -- if False, allow resources to be migrated
mixed wait -- False: no wait, None: wait default timeout, int: wait timeout
"""
if not env.is_cib_live:
raise LibraryError(
reports.live_environment_required([file_type_codes.CIB]))
with resource_environment(
env, wait, resource_ids,
_ensure_disabled_after_wait(True)) as resources_section:
id_provider = IdProvider(resources_section)
resource_el_list = _find_resources_or_raise(resources_section,
resource_ids)
env.report_processor.process_list(
_resource_list_enable_disable(resource_el_list,
resource.common.disable, id_provider,
env.get_cluster_state()))
inner_resources_names_set = set()
for resource_el in resource_el_list:
inner_resources_names_set.update({
inner_resource_el.get("id")
for inner_resource_el in
resource.common.get_all_inner_resources(resource_el)
})
plaintext_status, transitions, dummy_cib = simulate_cib(
env.cmd_runner(), get_root(resources_section))
simulated_operations = (
simulate_tools.get_operations_from_transitions(transitions))
other_affected = set()
if strict:
other_affected = set(
simulate_tools.get_resources_from_operations(
simulated_operations, exclude=resource_ids))
else:
other_affected = set(
simulate_tools.get_resources_left_stopped(
simulated_operations, exclude=resource_ids) +
simulate_tools.get_resources_left_demoted(
simulated_operations, exclude=resource_ids))
# Stopping a clone stops all its inner resources. That should not block
# stopping the clone.
other_affected = other_affected - inner_resources_names_set
if other_affected:
raise LibraryError(
reports.resource_disable_affects_other_resources(
resource_ids,
other_affected,
plaintext_status,
))
def test_success(self, mock_simulate):
mock_simulate.return_value = (self.simulate_output, self.transitions,
self.new_cib)
result = lib.simulate_cib(self.runner, self.cib)
self.assertEqual(result[0], "some output")
self.assertEqual(etree_to_str(result[1]), self.transitions)
self.assertEqual(etree_to_str(result[2]), self.new_cib)
mock_simulate.assert_called_once_with(self.runner, self.cib_xml)
def test_invalid_transitions(self, mock_simulate):
mock_simulate.return_value = (self.simulate_output, self.transitions,
"bad new cib")
assert_raise_library_error(
lambda: lib.simulate_cib(self.runner, self.cib),
fixture.error(
report_codes.CIB_SIMULATE_ERROR,
reason=("Start tag expected, '<' not found, line 1, column 1 "
"(<string>, line 1)"),
),
)
def disable_simulate(env, resource_ids):
"""
Simulate disallowing specified resource to be started by the cluster
LibraryEnvironment env --
strings resource_ids -- ids of the resources to be disabled
"""
if not env.is_cib_live:
raise LibraryError(
reports.live_environment_required([file_type_codes.CIB]))
resources_section = get_resources(env.get_cib())
_disable_validate_and_edit_cib(env, resources_section, resource_ids)
plaintext_status, dummy_transitions, dummy_cib = simulate_cib(
env.cmd_runner(), get_root(resources_section))
return plaintext_status
def disable_safe(env, resource_ids, strict, wait):
"""
Disallow specified resource to be started by the cluster only if there is
no effect on other resources
LibraryEnvironment env --
strings resource_ids -- ids of the resources to be disabled
bool strict -- if False, allow resources to be migrated
mixed wait -- False: no wait, None: wait default timeout, int: wait timeout
"""
if not env.is_cib_live:
raise LibraryError(
reports.live_environment_required([file_type_codes.CIB]))
with resource_environment(
env, wait, resource_ids,
_ensure_disabled_after_wait(True)) as resources_section:
_disable_validate_and_edit_cib(env, resources_section, resource_ids)
plaintext_status, transitions, dummy_cib = simulate_cib(
env.cmd_runner(), get_root(resources_section))
simulated_operations = (
simulate_tools.get_operations_from_transitions(transitions))
other_affected = set()
if strict:
other_affected = set(
simulate_tools.get_resources_from_operations(
simulated_operations, exclude=resource_ids))
else:
other_affected = set(
simulate_tools.get_resources_left_stopped(
simulated_operations, exclude=resource_ids) +
simulate_tools.get_resources_left_demoted(
simulated_operations, exclude=resource_ids))
if other_affected:
raise LibraryError(
reports.resource_disable_affects_other_resources(
resource_ids,
other_affected,
plaintext_status,
))