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test_policies.py
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162 lines (146 loc) · 5.48 KB
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import unittest
from troposphere import Parameter, Ref
from troposphere.autoscaling import AutoScalingGroup
from troposphere.policies import CreationPolicy, ResourceSignal, UpdatePolicy
from troposphere.policies import AutoScalingCreationPolicy
from troposphere.policies import AutoScalingRollingUpdate
class TestCreationPolicy(unittest.TestCase):
def test_invalid_pausetime(self):
with self.assertRaises(ValueError):
CreationPolicy(ResourceSignal=ResourceSignal(Count=2,
Timeout='90'))
def test_works(self):
policy = CreationPolicy(
ResourceSignal=ResourceSignal(
Count=2,
Timeout='PT10M'
)
)
self.assertEqual(policy.ResourceSignal.Count, 2)
self.assertEqual(policy.ResourceSignal.Timeout, 'PT10M')
def test_json(self):
policy = CreationPolicy(
ResourceSignal=ResourceSignal(
Count=2,
Timeout='PT10M'
)
)
p = policy.to_dict()
self.assertEqual(p['ResourceSignal']['Count'], 2)
self.assertEqual(p['ResourceSignal']['Timeout'], 'PT10M')
def test_auto_scaling_creation_policy(self):
policy = CreationPolicy(
AutoScalingCreationPolicy=AutoScalingCreationPolicy(
MinSuccessfulInstancesPercent=50,
),
ResourceSignal=ResourceSignal(
Count=2,
Timeout='PT10M'
)
)
self.assertEqual(
policy.AutoScalingCreationPolicy.MinSuccessfulInstancesPercent,
50
)
def test_auto_scaling_creation_policy_json(self):
policy = CreationPolicy(
AutoScalingCreationPolicy=AutoScalingCreationPolicy(
MinSuccessfulInstancesPercent=50,
),
ResourceSignal=ResourceSignal(
Count=2,
Timeout='PT10M'
)
)
p = policy.to_dict()
self.assertEqual(
p['AutoScalingCreationPolicy']['MinSuccessfulInstancesPercent'],
50
)
class TestUpdatePolicy(unittest.TestCase):
def test_invalid_pausetime(self):
with self.assertRaises(ValueError):
UpdatePolicy(AutoScalingRollingUpdate=AutoScalingRollingUpdate(
PauseTime='90'
))
def test_works(self):
p = UpdatePolicy(
AutoScalingRollingUpdate=AutoScalingRollingUpdate(
MaxBatchSize=2,
MinInstancesInService=1,
PauseTime='PT90S',
WaitOnResourceSignals=True))
self.assertEqual(p.AutoScalingRollingUpdate.MaxBatchSize, 2)
self.assertEqual(p.AutoScalingRollingUpdate.MinInstancesInService, 1)
self.assertEqual(p.AutoScalingRollingUpdate.PauseTime, 'PT90S')
self.assertTrue(p.AutoScalingRollingUpdate.WaitOnResourceSignals)
def test_mininstances(self):
group = AutoScalingGroup(
'mygroup',
LaunchConfigurationName="I'm a test",
MaxSize=1,
MinSize=1,
UpdatePolicy=UpdatePolicy(
AutoScalingRollingUpdate=AutoScalingRollingUpdate(
PauseTime='PT1M5S',
MinInstancesInService='1',
MaxBatchSize='1'
)
)
)
with self.assertRaises(ValueError):
self.assertTrue(group.validate())
def test_mininstances_maxsize_is_ref(self):
paramMaxSize = Parameter(
"ParamMaxSize",
Type="String"
)
group = AutoScalingGroup(
'mygroup',
AvailabilityZones=['eu-west-1a', 'eu-west-1b'],
LaunchConfigurationName="I'm a test",
MaxSize=Ref(paramMaxSize),
MinSize="2",
UpdatePolicy=UpdatePolicy(
AutoScalingRollingUpdate=AutoScalingRollingUpdate(
PauseTime='PT1M5S',
MinInstancesInService='2',
MaxBatchSize="1"
)
)
)
self.assertTrue(group.validate())
def test_mininstances_mininstancesinservice_is_ref(self):
paramMinInstancesInService = Parameter(
"ParamMinInstancesInService",
Type="String"
)
group = AutoScalingGroup(
'mygroup',
AvailabilityZones=['eu-west-1a', 'eu-west-1b'],
LaunchConfigurationName="I'm a test",
MaxSize="4",
MinSize="2",
UpdatePolicy=UpdatePolicy(
AutoScalingRollingUpdate=AutoScalingRollingUpdate(
PauseTime='PT1M5S',
MinInstancesInService=Ref(paramMinInstancesInService),
MaxBatchSize="2",
)
)
)
self.assertTrue(group.validate())
def test_json(self):
p = UpdatePolicy(
AutoScalingRollingUpdate=AutoScalingRollingUpdate(
MaxBatchSize=2,
MinInstancesInService=1,
PauseTime='PT90S',
WaitOnResourceSignals=True))
p = p.to_dict()
self.assertEqual(p['AutoScalingRollingUpdate']['MaxBatchSize'], 2)
self.assertEqual(
p['AutoScalingRollingUpdate']['MinInstancesInService'], 1
)
self.assertEqual(p['AutoScalingRollingUpdate']['PauseTime'], 'PT90S')
self.assertTrue(p['AutoScalingRollingUpdate']['WaitOnResourceSignals'])