def test_get_object_without_conditions_no_value(self):
""" Test Getting condition names in an object/list """
template = {
'Conditions': {
'CreateAppVolume': {'Fn::Equals': [{'Ref': 'myAppVolume'}, 'true']}
},
'Resources': {
'myInstance': {
'Type': 'AWS::EC2::Instance',
'Properties': {
'ImageId': 'ami-123456',
'BlockDeviceMappings': [
{
'DeviceName': '/dev/hda1',
'Ebs': {
'DeleteOnTermination': True,
'VolumeType': 'gp2'
}
},
{
'Fn::If': [
'CreateAppVolume',
{
'DeviceName': '/dev/xvdf',
'Ebs': {
'DeleteOnTermination': True,
'VolumeType': 'gp2'
}
},
{
'Ref': 'AWS::NoValue'
}
]
}
]
}
}
}
}
template = Template('test.yaml', template)
results = template.get_object_without_conditions(
template.template.get('Resources').get('myInstance').get(
'Properties').get('BlockDeviceMappings')[1].get('Fn::If')[2]
)
self.assertEqual(results, [])
results = template.get_object_without_conditions(
template.template.get('Resources').get('myInstance').get(
'Properties').get('BlockDeviceMappings')
)
# when item is a list return empty list
self.assertEqual(results, [])
# when item is a string return empty list
self.assertEqual(template.get_object_without_conditions('String'), [])
def test_get_object_without_nested_conditions(self):
""" Test Getting condition names in an object/list """
template = cfnlint.helpers.convert_dict({
'Conditions': {
'isProduction': {'Fn::Equals': [{'Ref': 'myEnvironment'}, 'prod']},
'isDevelopment': {'Fn::Equals': [{'Ref': 'myEnvironment'}, 'dev']}
},
'Resources': {
'myInstance': {
'Type': 'AWS::EC2::Instance',
'Properties': {
'ImageId': {
'Fn::If': [
'isProduction',
'ami-prod1234',
{
'Fn::If': [
'isDevelopment',
'ami-dev1234',
'ami-lab1234'
]
}
]
}
}
}
}
})
template = Template('test.yaml', template)
results = template.get_object_without_conditions(
template.template.get('Resources', {}).get('myInstance', {}).get('Properties', {})
)
self.assertEqual(len(results), 3)
for result in results:
if result['Scenario']['isProduction'] and not result['Scenario']['isDevelopment']:
self.assertDictEqual(
result['Object'],
{
'ImageId': 'ami-prod1234'
}
)
elif result['Scenario'] == {'isProduction': False, 'isDevelopment': True}:
self.assertDictEqual(
result['Object'],
{
'ImageId': 'ami-dev1234'
}
)
elif result['Scenario'] == {'isProduction': False, 'isDevelopment': False}:
self.assertDictEqual(
result['Object'],
{
'ImageId': 'ami-lab1234'
}
)
else:
# Blanket assertion error
self.assertDictEqual(result['Scenario'], {})
def test_get_object_without_conditions_for_list(self):
""" Test Getting condition names in an object/list """
template = cfnlint.helpers.convert_dict({
'Conditions': {
'CreateAppVolume': {'Fn::Equals': [{'Ref': 'CreateVolums'}, 'true']}
},
'Resources': {
'myInstance': {
'Type': 'AWS::EC2::Instance',
'Properties': {
'ImageId': 'ami-123456',
'BlockDeviceMappings': {
'Fn::If': [
'CreateAppVolume',
[
{
'DeviceName': '/dev/hda1',
'Ebs': {
'DeleteOnTermination': True,
'VolumeType': 'gp2'
}
},
{
'DeviceName': '/dev/xvdf',
'Ebs': {
'DeleteOnTermination': True,
'VolumeType': 'gp2'
}
}
],
{
'Ref': 'AWS::NoValue'
}
]
}
}
}
}
})
template = Template('test.yaml', template)
results = template.get_object_without_conditions(
template.template.get('Resources').get('myInstance').get(
'Properties').get('BlockDeviceMappings')
)
# handles IFs for a list
self.assertEqual(
results,
[
{
'Scenario': {'CreateAppVolume': True},
'Object': [
{'DeviceName': '/dev/hda1', 'Ebs': {'DeleteOnTermination': True, 'VolumeType': 'gp2'}},
{'DeviceName': '/dev/xvdf', 'Ebs': {'DeleteOnTermination': True, 'VolumeType': 'gp2'}}
]
}
]
)
def test_get_object_without_conditions(self):
""" Test Getting condition names in an object/list """
template = cfnlint.helpers.convert_dict({
'Conditions': {
'useAmiId': {'Fn::Not': [{'Fn::Equals': [{'Ref': 'myAmiId'}, '']}]}
},
'Resources': {
'myInstance': {
'Type': 'AWS::EC2::Instance',
'Properties': {
'ImageId': {'Fn::If': ['useAmiId', {'Ref': 'myAmiId'}, {'Ref': 'AWS::NoValue'}]},
'LaunchConfiguration': {'Fn::If': ['useAmiId', {'Ref': 'AWS::NoValue'}, {'Ref': 'LaunchConfiguration'}]}
}
}
}
})
template = Template('test.yaml', template)
results = template.get_object_without_conditions(
template.template.get('Resources', {}).get('myInstance', {}).get('Properties', {})
)
for result in results:
if result['Scenario'] == {'useAmiId': True}:
self.assertDictEqual(
result['Object'],
{
'ImageId': {'Ref': 'myAmiId'}
}
)
elif result['Scenario'] == {'useAmiId': False}:
self.assertDictEqual(
result['Object'],
{
'LaunchConfiguration': {'Ref': 'LaunchConfiguration'}
}
)
def test_get_object_without_conditions_for_bad_formats(self):
""" Test Getting condition names in an object/list """
template = {
'Conditions': {
'CreateAppVolume': {'Fn::Equals': [{'Ref': 'CreateVolums'}, 'true']}
},
'Resources': {
'myInstance': {
'Type': 'AWS::EC2::Instance',
'Properties': {
'ImageId': 'ami-123456',
'BlockDeviceMappings': {
'Fn::If': [
'CreateAppVolume',
{
'Ref': 'AWS::NoValue'
}
]
}
}
},
'myInstance1': {
'Type': 'AWS::EC2::Instance',
'Properties': {
'ImageId': 'ami-123456',
'BlockDeviceMappings': {
'Fn::If': [
'CreateAppVolume'
]
}
}
}
}
}
template = Template('test.yaml', template)
results = template.get_object_without_conditions(
template.template.get('Resources').get('myInstance').get(
'Properties').get('BlockDeviceMappings')
)
# There is no False here but it still passes the 1st item back
self.assertEqual(
results,
[
{
'Object': {'Fn::If': ['CreateAppVolume', {'Ref': 'AWS::NoValue'}]},
'Scenario': None
}
]
)
results = template.get_object_without_conditions(
template.template.get('Resources').get('myInstance1').get(
'Properties').get('BlockDeviceMappings')
)
# There is no False here but it still passes the 1st item back
self.assertEqual(
results,
[{'Object': {'Fn::If': ['CreateAppVolume']}, 'Scenario': None}]
)