def nova_deps():
rst = [
evapi.Dep('nova', 'run', 'success', 'nova_api', 'run'),
evapi.Dep('nova', 'update', 'success', 'nova_api', 'update'),
evapi.React('nova', 'update', 'success', 'nova_api', 'update')
]
return {'nova': rst}
def rmq_deps():
"""Example of a case when defaults are not good enough.
For example we need to run some stuff on first node before two others.
"""
# NOTE(dshulyak) is it possible to put this create/join logic into
# puppet manifest? So that rmq_cluster.2 before joining will check if
# cluster already exists?
return {
'rmq.1':
[evapi.Dep('rmq.1', 'run', 'success', 'rmq_cluster.1', 'create')],
'rmq.2':
[evapi.Dep('rmq.2', 'run', 'success', 'rmq_cluster.2', 'join')],
'rmq.3':
[evapi.Dep('rmq.3', 'run', 'success', 'rmq_cluster.3', 'join')],
'rmq_cluster.1': [
evapi.Dep('rmq_cluster.1', 'create', 'success', 'rmq_cluster.2',
'join'), evapi.Dep('rmq_cluster.1', 'create', 'success',
'rmq_cluster.3', 'join')
]
}
def nova_deps():
for name in ['nova', 'nova_api', 'nova_sch']:
r = Resource.from_dict(dict(key=name, name=name))
r.inputs.add_new('location_id', '1')
r.save()
nova = [
evapi.Dep('nova', 'run', 'success', 'nova_sch', 'run'),
evapi.React('nova', 'run', 'success', 'nova_api', 'update')]
nova_api = [
evapi.React('nova_api', 'update', 'success', 'nova', 'reboot')]
evapi.add_events('nova', nova)
evapi.add_events('nova_api', nova_api)
return {'nova': nova}
def test_mandatory_revisit():
events = {
'e1': [evapi.Dep('e1', 'run', 'success', 'e2', 'run'),
evapi.React('e1', 'run', 'success', 'e2', 'start')],
'e2': [evapi.React('e2', 'start', 'success', 'e2', 'run')]}
for name in events:
r = Resource.from_dict(dict(key=name, name=name))
r.inputs.add_new('location_id', '1')
r.save()
evapi.add_events(name, events[name])
changes_graph = nx.DiGraph()
changes_graph.add_node('e1.run')
evapi.build_edges(changes_graph, events)
assert set(changes_graph.predecessors('e2.run')) == {'e1.run', 'e2.start'}
def events_example():
return [
evapi.Dep('e1', 'run', 'success', 'e2', 'run'),
evapi.Dep('e1', 'run', 'success', 'e3', 'run'),
evapi.Dep('e1', 'run', 'success', 'e4', 'run'),
]