def test_get_all_metrics(self):
"""
Metrics are returned based on the requests done to get server info.
"""
# Maybe this could use a parameterized "get_all_scaling_group_servers"
# call to avoid needing to stub the nova responses, but it seems okay.
servers_t1 = {
'g1': ([_server('g1', 'ACTIVE')] * 3 +
[_server('g1', 'BUILD')] * 2),
'g2': [_server('g2', 'ACTIVE')]}
servers_t2 = {
'g4': [_server('g4', 'ACTIVE'),
_server('g4', 'BUILD')]}
groups = {
"t1": [{'tenantId': 't1', 'groupId': 'g1', 'desired': 3},
{'tenantId': 't1', 'groupId': 'g2', 'desired': 4}],
"t2": [{'tenantId': 't2', 'groupId': 'g4', 'desired': 2}]}
tenant_servers = {'t1': servers_t1, 't2': servers_t2}
effs = get_all_metrics_effects(groups, mock_log())
# All the effs are wrapped in TenantScopes to indicate the tenant
# of ServiceRequests made under them. We use that tenant to get the
# stubbed result of get_all_scaling_group_servers.
results = [
resolve_effect(eff, tenant_servers[eff.intent.tenant_id])
for eff in effs]
self.assertEqual(
set(reduce(operator.add, results)),
set([GroupMetrics('t1', 'g1', desired=3, actual=3, pending=2),
GroupMetrics('t1', 'g2', desired=4, actual=1, pending=0),
GroupMetrics('t2', 'g4', desired=2, actual=1, pending=1)]))
def test_error_per_tenant(self):
"""
When a request for servers fails, the associated effect results in
None, and an error is logged.
"""
log = mock_log()
log.err.return_value = None
groups = {
"t1": [{
'tenantId': 't1',
'groupId': 'g1',
'desired': 0
}],
"t2": [{
'tenantId': 't2',
'groupId': 'g2',
'desired': 0
}]
}
effs = get_all_metrics_effects(groups, log)
results = []
for eff in effs:
if eff.intent.tenant_id == 't1':
results.append(resolve_effect(eff, {}))
elif eff.intent.tenant_id == 't2':
err = (ZeroDivisionError, ZeroDivisionError('foo bar'), None)
results.append(resolve_effect(eff, err, is_error=True))
self.assertEqual(
results,
[None, [GroupMetrics('t1', 'g1', desired=0, actual=0, pending=0)]])
log.err.assert_called_once_with(
CheckFailureValue(ZeroDivisionError('foo bar')))
def test_get_all_metrics(self):
"""
Metrics are returned based on the requests done to get server info.
"""
# Maybe this could use a parameterized "get_all_scaling_group_servers"
# call to avoid needing to stub the nova responses, but it seems okay.
servers_t1 = {
'g1':
([_server('g1', 'ACTIVE')] * 3 + [_server('g1', 'BUILD')] * 2),
'g2': [_server('g2', 'ACTIVE')]
}
servers_t2 = {'g4': [_server('g4', 'ACTIVE'), _server('g4', 'BUILD')]}
groups = {
"t1": [{
'tenantId': 't1',
'groupId': 'g1',
'desired': 3
}, {
'tenantId': 't1',
'groupId': 'g2',
'desired': 4
}],
"t2": [{
'tenantId': 't2',
'groupId': 'g4',
'desired': 2
}]
}
tenant_servers = {'t1': servers_t1, 't2': servers_t2}
effs = get_all_metrics_effects(groups, mock_log())
# All the effs are wrapped in TenantScopes to indicate the tenant
# of ServiceRequests made under them. We use that tenant to get the
# stubbed result of get_all_scaling_group_servers.
results = [
resolve_effect(eff, tenant_servers[eff.intent.tenant_id])
for eff in effs
]
self.assertEqual(
set(reduce(operator.add, results)),
set([
GroupMetrics('t1', 'g1', desired=3, actual=3, pending=2),
GroupMetrics('t1', 'g2', desired=4, actual=1, pending=0),
GroupMetrics('t2', 'g4', desired=2, actual=1, pending=1)
]))
def test_error_per_tenant(self):
"""
When a request for servers fails, the associated effect results in
None, and an error is logged.
"""
log = mock_log()
log.err.return_value = None
groups = {
"t1": [{"tenantId": "t1", "groupId": "g1", "desired": 0}],
"t2": [{"tenantId": "t2", "groupId": "g2", "desired": 0}],
}
effs = get_all_metrics_effects(groups, log)
results = []
for eff in effs:
if eff.intent.tenant_id == "t1":
results.append(resolve_effect(eff, {}))
elif eff.intent.tenant_id == "t2":
err = (ZeroDivisionError, ZeroDivisionError("foo bar"), None)
results.append(resolve_effect(eff, err, is_error=True))
self.assertEqual(results, [None, [GroupMetrics("t1", "g1", desired=0, actual=0, pending=0)]])
log.err.assert_called_once_with(CheckFailureValue(ZeroDivisionError("foo bar")))
