def setUp(self):
self.tenant_id = 'tenant-id'
self.group_id = 'group-id'
self.state = GroupState(self.tenant_id, self.group_id, 'group-name',
{}, {}, None, {}, False,
ScalingGroupStatus.ACTIVE, desired=2)
self.group = mock_group(self.state, self.tenant_id, self.group_id)
self.lc = {'args': {'server': {'name': 'foo'}, 'loadBalancers': []}}
self.desired_lbs = s(CLBDescription(lb_id='23', port=80))
self.servers = (
server('a', ServerState.ACTIVE, servicenet_address='10.0.0.1',
desired_lbs=self.desired_lbs,
links=freeze([{'href': 'link1', 'rel': 'self'}])),
server('b', ServerState.ACTIVE, servicenet_address='10.0.0.2',
desired_lbs=self.desired_lbs,
links=freeze([{'href': 'link2', 'rel': 'self'}]))
)
self.state_active = {}
self.cache = [thaw(self.servers[0].json), thaw(self.servers[1].json)]
self.gsgi = GetScalingGroupInfo(tenant_id='tenant-id',
group_id='group-id')
self.manifest = { # Many details elided!
'state': self.state,
'launchConfiguration': self.lc,
}
self.gsgi_result = (self.group, self.manifest)
self.now = datetime(1970, 1, 1)
def test_multiple_lb_pending(self):
"""
When a server needs to be added to multiple LBs, it's only counted
once.
"""
lb_nodes = [
CLBNode(node_id='1',
description=CLBDescription(lb_id='foo', port=1),
address='1.1.1.1'),
CLBNode(node_id='2',
description=CLBDescription(lb_id='foo', port=2),
address='1.1.1.1'),
CLBNode(node_id='3',
description=CLBDescription(lb_id='bar', port=3),
address='1.1.1.1'),
CLBNode(node_id='4',
description=CLBDescription(lb_id='bar', port=4),
address='1.1.1.1'),
]
desired_lbs = s(CLBDescription(lb_id='foo', port=1),
CLBDescription(lb_id='foo', port=2),
CLBDescription(lb_id='bar', port=3),
CLBDescription(lb_id='bar', port=4))
self.assertEqual(
is_autoscale_active(
server('id1', ServerState.ACTIVE, servicenet_address='1.1.1.1',
desired_lbs=desired_lbs),
lb_nodes),
True)
def test_success(self):
"""
Executes the plan and returns SUCCESS when that's the most severe
result.
"""
dgs = get_desired_group_state(self.group_id, self.lc, 2)
deleted = server(
'c', ServerState.DELETED, servicenet_address='10.0.0.3',
desired_lbs=self.desired_lbs,
links=freeze([{'href': 'link3', 'rel': 'self'}]))
self.servers += (deleted,)
steps = [
TestStep(
Effect(
{'dgs': dgs,
'servers': self.servers,
'lb_nodes': (),
'now': 0})
.on(lambda _: (StepResult.SUCCESS, [])))]
def plan(dgs, servers, lb_nodes, now, build_timeout):
self.assertEqual(build_timeout, 3600)
return steps
sequence = [
parallel_sequence([]),
(Log('execute-convergence',
dict(servers=self.servers, lb_nodes=(), steps=steps,
now=self.now, desired=dgs)), noop),
parallel_sequence([
[({'dgs': dgs, 'servers': self.servers,
'lb_nodes': (), 'now': 0},
noop)]
]),
(Log('execute-convergence-results',
{'results': [{'step': steps[0],
'result': StepResult.SUCCESS,
'reasons': []}],
'worst_status': 'SUCCESS'}), noop),
# Note that servers arg is non-deleted servers
(UpdateServersCache(
"tenant-id", "group-id", self.now,
[thaw(self.servers[0].json.set("_is_as_active", True)),
thaw(self.servers[1].json.set("_is_as_active", True))]),
noop)
]
# all the servers updated in cache in beginning
self.cache.append(thaw(deleted.json))
self.assertEqual(
perform_sequence(self.get_seq() + sequence, self._invoke(plan)),
(StepResult.SUCCESS, ScalingGroupStatus.ACTIVE))
def test_lb_pending(self):
"""
When a server should be in a LB but it's not, it's not active.
"""
desired_lbs = s(CLBDescription(lb_id='foo', port=80))
lb_nodes = [
CLBNode(node_id='x',
description=CLBDescription(lb_id='foo', port=80),
address='1.1.1.3')]
self.assertEqual(
is_autoscale_active(
server('id1', ServerState.ACTIVE, servicenet_address='1.1.1.1',
desired_lbs=desired_lbs),
lb_nodes),
False)
def test_non_active(self):
""" Non-active server is not considered AS active """
self.assertEqual(
is_autoscale_active(server('id1', ServerState.BUILD), []),
False)
def test_active(self):
"""Built server with no desired LBs is active."""
self.assertEqual(
is_autoscale_active(server('id1', ServerState.ACTIVE), []),
True)