def test_map_with_names():
# creating tests objects
first_ami = AMI()
first_ami.id = 'ami-28c2b348'
first_ami.name = "ubuntu-20160102"
first_ami.creation_date = datetime.now()
second_ami = AMI()
second_ami.id = 'ami-28c2b349'
second_ami.name = "ubuntu-20160103"
second_ami.creation_date = datetime.now()
third_ami = AMI()
third_ami.id = 'ami-28c2b350'
third_ami.name = "debian-20160104"
third_ami.creation_date = datetime.now()
# creating amis to drop dict
candidates = [first_ami, second_ami, third_ami]
# grouping strategy
grouping_strategy = {"key": "name", "values": ["ubuntu", "debian"]}
grouped_amis = AMICleaner().map_candidates(candidates, grouping_strategy)
assert grouped_amis is not None
assert len(grouped_amis.get('ubuntu')) == 2
assert len(grouped_amis.get('debian')) == 1
def test_deletion_ami_min_days():
""" Test deletion methods """
# creating tests objects
first_ami = AMI()
first_ami.name = "test-ami"
first_ami.id = 'ami-28c2b348'
first_ami.creation_date = "2017-11-04T01:35:31.000Z"
second_ami = AMI()
second_ami.name = "test-ami"
second_ami.id = 'ami-28c2b349'
second_ami.creation_date = "2017-11-04T01:35:31.000Z"
# constructing dicts
amis_dict = dict()
amis_dict[first_ami.id] = first_ami
amis_dict[second_ami.id] = second_ami
parser = parse_args(
[
'--keep-previous', '0',
'--ami-min-days', '1',
'--mapping-key', 'name',
'--mapping-values', 'test-ami']
)
app = App(parser)
# testing filter
candidates = app.fetch_candidates(amis_dict)
candidates_tobedeleted = app.prepare_candidates(candidates)
assert len(candidates) == 2
assert len(candidates_tobedeleted) == 2
parser = parse_args(
[
'--keep-previous', '0',
'--ami-min-days', '10000',
'--mapping-key', 'name',
'--mapping-values', 'test-ami']
)
app = App(parser)
candidates_tobedeleted2 = app.prepare_candidates(candidates)
assert len(candidates) == 2
assert len(candidates_tobedeleted2) == 0
def test_map_with_tag_exclusions():
# tags
stack_tag = AWSTag()
stack_tag.key = "stack"
stack_tag.value = "web-server"
env_tag = AWSTag()
env_tag.key = "env"
env_tag.value = "prod"
# creating tests objects
# prod and web-server
first_ami = AMI()
first_ami.id = 'ami-28c2b348'
first_ami.name = "ubuntu-20160102"
first_ami.tags.append(stack_tag)
first_ami.tags.append(env_tag)
first_ami.creation_date = datetime.now()
# just prod
second_ami = AMI()
second_ami.id = 'ami-28c2b349'
second_ami.name = "ubuntu-20160103"
second_ami.tags.append(env_tag)
second_ami.creation_date = datetime.now()
# just web-server
third_ami = AMI()
third_ami.id = 'ami-28c2b350'
third_ami.name = "debian-20160104"
third_ami.tags.append(stack_tag)
third_ami.creation_date = datetime.now()
# creating amis to drop dict
candidates = [first_ami, second_ami, third_ami]
# grouping strategy
grouping_strategy = {
"key": "tags",
"values": ["stack", "env"],
"excluded": ["prod"]
}
grouped_amis = AMICleaner().map_candidates(candidates, grouping_strategy)
assert grouped_amis is not None
assert grouped_amis.get("prod") is None
assert grouped_amis.get("prod.web-server") is None
assert len(grouped_amis.get("web-server")) == 1
def test_reduce_without_rotation_number():
# creating tests objects
first_ami = AMI()
first_ami.id = 'ami-28c2b348'
first_ami.name = "ubuntu-20160102"
first_ami.creation_date = datetime(2016, 1, 10)
# just prod
second_ami = AMI()
second_ami.id = 'ami-28c2b349'
second_ami.name = "ubuntu-20160103"
second_ami.creation_date = datetime(2016, 1, 11)
# prod and web-server
third_ami = AMI()
third_ami.id = 'ami-28c2b350'
third_ami.name = "debian-20160104"
third_ami.creation_date = datetime(2016, 1, 12)
# creating amis to drop dict
candidates = [second_ami, third_ami, first_ami]
assert AMICleaner().reduce_candidates(candidates) == candidates
def test_fetch_candidates():
# creating tests objects
first_ami = AMI()
first_ami.id = 'ami-28c2b348'
first_ami.creation_date = datetime.now()
first_instance = AWSEC2Instance()
first_instance.id = 'i-9f9f6a2a'
first_instance.name = "first-instance"
first_instance.image_id = first_ami.id
first_instance.launch_time = datetime.now()
second_ami = AMI()
second_ami.id = 'unused-ami'
second_ami.creation_date = datetime.now()
second_instance = AWSEC2Instance()
second_instance.id = 'i-9f9f6a2b'
second_instance.name = "second-instance"
second_instance.image_id = first_ami.id
second_instance.launch_time = datetime.now()
# constructing dicts
amis_dict = dict()
amis_dict[first_ami.id] = first_ami
amis_dict[second_ami.id] = second_ami
instances_dict = dict()
instances_dict[first_instance.image_id] = instances_dict
instances_dict[second_instance.image_id] = second_instance
# testing filter
unused_ami_dict = App(parse_args([])).fetch_candidates(
amis_dict, list(instances_dict)
)
assert len(unused_ami_dict) == 1
assert amis_dict.get('unused-ami') is not None
def test_reduce():
# creating tests objects
first_ami = AMI()
first_ami.id = 'ami-28c2b348'
first_ami.name = "ubuntu-20160102"
first_ami.creation_date = datetime(2016, 1, 10)
# just prod
second_ami = AMI()
second_ami.id = 'ami-28c2b349'
second_ami.name = "ubuntu-20160103"
second_ami.creation_date = datetime(2016, 1, 11)
# prod and web-server
third_ami = AMI()
third_ami.id = 'ami-28c2b350'
third_ami.name = "debian-20160104"
third_ami.creation_date = datetime(2016, 1, 12)
# keep 2 recent amis
candidates = [second_ami, third_ami, first_ami]
rotation_number = 2
cleaner = AMICleaner()
left = cleaner.reduce_candidates(candidates, rotation_number)
assert len(left) == 1
assert left[0].id == first_ami.id
# keep 1 recent ami
rotation_number = 1
left = cleaner.reduce_candidates(candidates, rotation_number)
assert len(left) == 2
assert left[0].id == second_ami.id
# keep 5 recent amis
rotation_number = 5
left = cleaner.reduce_candidates(candidates, rotation_number)
assert len(left) == 0