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test_ami.py
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# Copyright The Cloud Custodian Authors.
# SPDX-License-Identifier: Apache-2.0
from c7n.exceptions import ClientError, PolicyValidationError
from c7n.resources.ami import ErrorHandler
from c7n.query import DescribeSource
from c7n.utils import jmespath_search
from .common import BaseTest
class TestAMI(BaseTest):
def test_query(self):
factory = self.replay_flight_data("test_ami")
p = self.load_policy(
{
"name": "test-ami",
"resource": "ami",
"filters": [
{"Name": "LambdaCompiler"}, {"type": "image-age", "days": 0.2}
],
"actions": ["deregister"],
},
session_factory=factory,
)
resources = p.run()
self.assertEqual(len(resources), 1)
def test_ami_remove_launch_permissions(self):
factory = self.replay_flight_data('test_ami_remove_perms')
p = self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': ['cross-account'],
'actions': [{
'type': 'remove-launch-permissions'}]},
session_factory=factory)
resources = p.run()
self.assertEqual(len(resources), 1)
self.assertEqual(
sorted(resources[0]['c7n:CrossAccountViolations']),
['112233445566', '665544332211',
'arn:aws:organizations:112233445566:organization/o-xyz123abc',
'arn:aws:organizations:112233445566:ou/o-xyz123abc/ou-a123-xyzab123'])
client = factory().client('ec2')
perms = client.describe_image_attribute(
ImageId=resources[0]['ImageId'],
Attribute='launchPermission')['LaunchPermissions']
assert perms == []
def test_ami_remove_launch_permissions_matched(self):
factory = self.replay_flight_data('test_ami_remove_perms')
p = self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': ['cross-account'],
'actions': [{
'type': 'remove-launch-permissions',
'accounts': 'matched'}]},
session_factory=factory)
resources = p.run()
self.assertEqual(len(resources), 1)
self.assertEqual(
sorted(resources[0]['c7n:CrossAccountViolations']),
['112233445566', '665544332211',
'arn:aws:organizations:112233445566:organization/o-xyz123abc',
'arn:aws:organizations:112233445566:ou/o-xyz123abc/ou-a123-xyzab123'])
client = factory().client('ec2')
perms = client.describe_image_attribute(
ImageId=resources[0]['ImageId'],
Attribute='launchPermission')['LaunchPermissions']
assert perms == []
def test_ami_set_permissions_remove_matched(self):
factory = self.replay_flight_data('test_ami_set_perms')
p = self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': ['cross-account'],
'actions': [{
'type': 'set-permissions',
'remove': 'matched',
'add': ['arn:aws:organizations:112233445566:ou/o-xyz123abc/ou-a123-xyzab234']}]},
session_factory=factory)
resources = p.run()
self.assertEqual(len(resources), 1)
self.assertEqual(
sorted(resources[0]['c7n:CrossAccountViolations']),
['112233445566', '665544332211',
'all',
'arn:aws:organizations:112233445566:organization/o-xyz123abc',
'arn:aws:organizations:112233445566:ou/o-xyz123abc/ou-a123-xyzab123'])
client = factory().client('ec2')
perms = client.describe_image_attribute(
ImageId=resources[0]['ImageId'],
Attribute='launchPermission')['LaunchPermissions']
assert perms == [{
'OrganizationalUnitArn':
'arn:aws:organizations:112233445566:ou/o-xyz123abc/ou-a123-xyzab234'}]
def test_ami_set_permissions_remove_public(self):
factory = self.replay_flight_data('test_ami_set_perms')
p = self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': ['cross-account'],
'actions': [{
'type': 'set-permissions',
'remove': ['all'],
'add': ['arn:aws:organizations:112233445566:ou/o-xyz123abc/ou-a123-xyzab234']}]},
session_factory=factory)
resources = p.run()
self.assertEqual(len(resources), 1)
self.assertEqual(
sorted(resources[0]['c7n:CrossAccountViolations']),
['112233445566', '665544332211',
'all',
'arn:aws:organizations:112233445566:organization/o-xyz123abc',
'arn:aws:organizations:112233445566:ou/o-xyz123abc/ou-a123-xyzab123'])
client = factory().client('ec2')
perms = client.describe_image_attribute(
ImageId=resources[0]['ImageId'],
Attribute='launchPermission')['LaunchPermissions']
assert perms == [{
'OrganizationalUnitArn':
'arn:aws:organizations:112233445566:ou/o-xyz123abc/ou-a123-xyzab234'}]
def test_ami_set_permissions_reset_all(self):
factory = self.replay_flight_data('test_ami_remove_perms')
p = self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': ['cross-account'],
'actions': [{
'type': 'set-permissions'}]},
session_factory=factory)
resources = p.run()
self.assertEqual(len(resources), 1)
self.assertEqual(
sorted(resources[0]['c7n:CrossAccountViolations']),
['112233445566', '665544332211',
'arn:aws:organizations:112233445566:organization/o-xyz123abc',
'arn:aws:organizations:112233445566:ou/o-xyz123abc/ou-a123-xyzab123'])
client = factory().client('ec2')
perms = client.describe_image_attribute(
ImageId=resources[0]['ImageId'],
Attribute='launchPermission')['LaunchPermissions']
assert perms == []
def test_ami_set_deprecation_age(self):
factory = self.replay_flight_data('test_ami_set_deprecation')
p = self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': [{
'type': 'value',
'key': 'DeprecationTime',
'value': 'absent'}],
'actions': [{
'type': 'set-deprecation',
'age': 45}]},
session_factory=factory)
resources = p.run()
self.assertEqual(len(resources), 2)
assert 'DeprecationTime' not in resources[0]
client = factory().client('ec2')
dtime = client.describe_images(
ImageIds=[resources[0]['ImageId']])['Images'][0]['DeprecationTime']
assert dtime == '2020-09-24T13:31:456.000Z'
def test_ami_set_deprecation_date(self):
factory = self.replay_flight_data('test_ami_set_deprecation')
p = self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': [{
'type': 'value',
'key': 'DeprecationTime',
'value': 'absent'}],
'actions': [{
'type': 'set-deprecation',
'date': '2020-09-24T13:31'}]},
session_factory=factory)
resources = p.run()
self.assertEqual(len(resources), 2)
assert 'DeprecationTime' not in resources[0]
client = factory().client('ec2')
dtime = client.describe_images(
ImageIds=[resources[0]['ImageId']])['Images'][0]['DeprecationTime']
assert dtime == '2020-09-24T13:31:456.000Z'
def test_ami_set_deprecation_disable(self):
factory = self.replay_flight_data('test_ami_set_deprecation')
p = self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': [{
'type': 'value',
'key': 'DeprecationTime',
'value': 'absent'}],
'actions': [{
'type': 'set-deprecation'}]},
session_factory=factory)
resources = p.run()
self.assertEqual(len(resources), 2)
assert 'DeprecationTime' not in resources[0]
def test_ami_set_deprecation_validation(self):
with self.assertRaises(PolicyValidationError) as e:
self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': [{
'type': 'value',
'key': 'DeprecationTime',
'value': 'absent'}],
'actions': [{
'type': 'set-deprecation',
'date': "notright"}]})
self.assertIn(
"has invalid date format", str(e.exception))
with self.assertRaises(PolicyValidationError) as e:
self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': [{
'type': 'value',
'key': 'DeprecationTime',
'value': 'absent'}],
'actions': [{
'type': 'set-deprecation',
'days': -327678902}]})
self.assertIn(
"has invalid time interval", str(e.exception))
def test_ami_sse(self):
factory = self.replay_flight_data('test_ami_sse')
p = self.load_policy({
'name': 'ubuntu-bionic',
'resource': 'aws.ami',
'query': [
{'Owners': ["123456789123"]},
{'Filters': [
{'Name': 'name',
'Values': ["ubuntu/images/hvm-ssd/ubuntu-bionic*"]}]}]},
session_factory=factory)
resources = p.run()
self.assertEqual(resources[0]['OwnerId'], '123456789123')
def test_err_ami(self):
factory = self.replay_flight_data("test_ami_not_found_err")
ami_id = 'ami-123f000eee1f9f654'
good_ami_id = 'ami-041151726c89bed87'
error_response = {"Error": {
"Message": "The image id '[%s]' does not exist" % (ami_id),
"Code": "InvalidAMIID.NotFound"}}
responses = [ClientError(error_response, "DescribeSnapshots")]
def base_get_resources(self, ids, cache=True):
if responses:
raise responses.pop()
return factory().client('ec2').describe_images(ImageIds=ids).get('Images')
self.patch(DescribeSource, 'get_resources', base_get_resources)
p = self.load_policy(
{'name': 'bad-ami', 'resource': 'ami'},
session_factory=factory)
resources = p.resource_manager.get_resources([ami_id, good_ami_id])
self.assertEqual(len(resources), 1)
self.assertEqual(resources[0]['ImageId'], good_ami_id)
def test_err_get_ami_invalid(self):
operation_name = "DescribeSnapshots"
error_response = {
"Error": {
"Message": 'Invalid id: "ami123f000eee1f9f654"',
"Code": "InvalidAMIID.Malformed",
}
}
e = ClientError(error_response, operation_name)
ami = ErrorHandler.extract_bad_ami(e)
self.assertEqual(ami, ["ami123f000eee1f9f654"])
operation_name = "DescribeSnapshots"
error_response = {
"Error": {
"Message": 'Invalid id: "ami-1234567890abcdef0"',
"Code": "InvalidAMIID.Malformed",
}
}
e = ClientError(error_response, operation_name)
ami = ErrorHandler.extract_bad_ami(e)
self.assertEqual(ami, ["ami-1234567890abcdef0"])
def test_err_get_ami_notfound(self):
operation_name = "DescribeSnapshots"
error_response = {
"Error": {
"Message": "The image id '[ami-ffffffff]' does not exist",
"Code": "InvalidAMIID.NotFound"
}
}
e = ClientError(error_response, operation_name)
snap = ErrorHandler.extract_bad_ami(e)
self.assertEqual(snap, ["ami-ffffffff"])
operation_name = "DescribeSnapshots"
error_response = {
"Error": {
"Message": "The image id '[ami-11111111, ami-ffffffff]' does not exist",
"Code": "InvalidAMIID.NotFound"
}
}
e = ClientError(error_response, operation_name)
snap = ErrorHandler.extract_bad_ami(e)
self.assertEqual(snap, ["ami-11111111", "ami-ffffffff"])
def test_deregister_delete_snaps(self):
factory = self.replay_flight_data('test_ami_deregister_delete_snap')
p = self.load_policy({
'name': 'deregister-snap',
'resource': 'ami',
'actions': [{
'type': 'deregister',
'delete-snapshots': True}]},
session_factory=factory, config={'account_id': '644160558196'})
resources = p.run()
self.assertEqual(len(resources), 2)
client = factory().client('ec2')
snap_ids = jmespath_search(
'BlockDeviceMappings[].Ebs.SnapshotId', resources[0])
self.assertRaises(
ClientError, client.describe_snapshots, SnapshotIds=snap_ids, OwnerIds=['self'])
def test_unused_ami_with_asg_launch_templates(self):
factory = self.replay_flight_data('test_unused_ami_launch_template')
p = self.load_policy(
{"name": "test-unused-ami", "resource": "ami", "filters": ["unused"]},
session_factory=factory,
)
resources = p.run()
self.assertEqual(len(resources), 1)
self.assertEqual(resources[0]['ImageId'], 'ami-0515ff4f8f9dbeb31')
def test_ami_with_last_launched_time(self):
factory = self.replay_flight_data('test_ami_with_last_launched_time')
p = self.load_policy(
{
"name": "test-ami-last-launched-time",
"resource": "ami",
"filters": [{"type": "image-attribute",
"attribute": "lastLaunchedTime",
"key": "Value",
"op": "gte",
"value_type": "age",
"value": 1}],
},
{"region": "ap-southeast-2"},
session_factory=factory
)
resources = p.run()
self.assertEqual(len(resources), 1)
self.assertEqual(resources[0]['c7n:attribute-lastLaunchedTime']
['Value'], '2022-10-20T07:07:19Z')
def test_ami_with_no_last_launched_time(self):
factory = self.replay_flight_data('test_ami_with_no_last_launched_time')
p = self.load_policy(
{
"name": "test-ami-last-launched-time",
"resource": "ami",
"filters": [{"type": "image-attribute",
"attribute": "lastLaunchedTime",
"key": "Value",
"op": "gte",
"value_type": "age",
"value": 1}],
},
{"region": "ap-southeast-2"},
session_factory=factory
)
resources = p.run()
self.assertEqual(len(resources), 0)
def test_cancel_launch_permissions_true(self):
factory = self.replay_flight_data("test_cancel_launch_permissions")
p = self.load_policy(
{
"name": "test-cancel-launch-permissions",
"resource": "ami",
"actions": [{"type": "cancel-launch-permission", }]},
session_factory=factory
)
resources = p.run()
self.assertEqual(len(resources), 1)
def test_cancel_launch_permissions_false(self):
factory = self.replay_flight_data("test_cancel_launch_permissions")
p = self.load_policy(
{
"name": "test-cancel-launch-permission",
"resource": "ami",
"actions": [{"type": "cancel-launch-permission", "dryrun": False}]},
session_factory=factory
)
resources = p.run()
self.assertEqual(len(resources), 1)
def test_unused_ami_true(self):
factory = self.replay_flight_data("test_unused_ami_true")
p = self.load_policy(
{"name": "test-unused-ami", "resource": "ami", "filters": ["unused"]},
session_factory=factory,
)
resources = p.run()
self.assertEqual(len(resources), 1)
def test_unused_ami_false(self):
factory = self.replay_flight_data("test_unused_ami_false")
p = self.load_policy(
{
"name": "test-unused-ami",
"resource": "ami",
"filters": [{"type": "unused", "value": False}],
},
session_factory=factory,
)
resources = p.run()
self.assertEqual(len(resources), 1)
def test_ami_cross_accounts(self):
session_factory = self.replay_flight_data("test_ami_cross_accounts")
p = self.load_policy(
{
"name": "cross-account-ami",
"resource": "ami",
"filters": [{"type": "cross-account"}],
},
session_factory=session_factory,
)
resources = p.run()
self.assertEqual(len(resources), 1)
def test_ami_set_permissions_remove_matched_no_add(self):
factory = self.replay_flight_data('test_ami_set_permissions_remove_matched_no_add')
p = self.load_policy({
'name': 'ami-check',
'resource': 'aws.ami',
'filters': [{'type': 'cross-account'},
{'type': 'value',
'key': 'Name',
'value': 'test-ami'}],
'actions': [{
'type': 'set-permissions',
'remove': 'matched'
}]},
session_factory=factory)
resources = p.run()
self.assertEqual(len(resources), 1)
self.assertEqual(resources[0]['c7n:CrossAccountViolations'], ['898786471159'])
client = factory().client('ec2')
perms = client.describe_image_attribute(
ImageId=resources[0]['ImageId'],
Attribute='launchPermission')['LaunchPermissions']
assert perms == []