def test_check_cluster_memberships(self, mock_relation_ids,
mock_subprocess,
mock_relations_for_id,
mock_forget_cluster_node):
mock_relation_ids.return_value = [0]
mock_subprocess.check_output.return_value = \
RABBITMQCTL_CLUSTERSTATUS_RUNNING
mock_relations_for_id.return_value = [
{'clustered': 'juju-devel3-machine-14'},
{'clustered': 'juju-devel3-machine-19'},
{'dummy-entry': 'to validate behaviour on relations without '
'clustered key in dict'},
]
rabbit_utils.check_cluster_memberships()
mock_forget_cluster_node.assert_called_with(
'rabbit@juju-devel3-machine-42')
def update_status():
log('Updating status.')
# leader check for previously unsuccessful cluster departures
#
# This must be done here and not in the cluster-relation-departed hook. At
# the point in time the cluster-relation-departed hook is called we know
# that a unit is departing. We also know that RabbitMQ will not have
# noticed its departure yet. We cannot remove a node pre-emptively.
#
# In the normal case the departing node should remove itself from the
# cluster in its stop hook. We clean up the ones that for whatever reason
# are unable to clean up after themselves successfully here.
#
# Have a look at the docstring of the stop() function for detailed
# explanation.
if is_leader():
rabbit.check_cluster_memberships()
def update_status():
log('Updating status.')
# leader check for previously unsuccessful cluster departures
#
# This must be done here and not in the cluster-relation-departed hook. At
# the point in time the cluster-relation-departed hook is called we know
# that a unit is departing. We also know that RabbitMQ will not have
# noticed its departure yet. We cannot remove a node pre-emptively.
#
# In the normal case the departing node should remove itself from the
# cluster in its stop hook. We clean up the ones that for whatever reason
# are unable to clean up after themselves successfully here.
#
# Have a look at the docstring of the stop() function for detailed
# explanation.
if is_leader() and not is_unit_paused_set():
rabbit.check_cluster_memberships()
def test_check_cluster_memberships(self, mock_relation_ids,
mock_subprocess, mock_relations_for_id,
mock_forget_cluster_node):
mock_relation_ids.return_value = [0]
mock_subprocess.check_output.return_value = \
RABBITMQCTL_CLUSTERSTATUS_RUNNING
mock_relations_for_id.return_value = [
{
'clustered': 'juju-devel3-machine-14'
},
{
'clustered': 'juju-devel3-machine-19'
},
{
'dummy-entry':
'to validate behaviour on relations without '
'clustered key in dict'
},
]
rabbit_utils.check_cluster_memberships()
mock_forget_cluster_node.assert_called_with(
'rabbit@juju-devel3-machine-42')
def test_check_cluster_memberships(self, mock_relation_ids,
mock_subprocess, mock_relations_for_id,
mock_cmp_pkgrevno):
mock_relation_ids.return_value = [0]
mock_subprocess.check_output.return_value = \
RABBITMQCTL_CLUSTERSTATUS_RUNNING
mock_cmp_pkgrevno.return_value = -1
mock_relations_for_id.return_value = [
{
'clustered': 'juju-devel3-machine-14'
},
{
'clustered': 'juju-devel3-machine-19'
},
{
'dummy-entry':
'to validate behaviour on relations without '
'clustered key in dict'
},
]
self.assertEqual("rabbit@juju-devel3-machine-42",
rabbit_utils.check_cluster_memberships())