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test_mu.py
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# Copyright The Cloud Custodian Authors.
# SPDX-License-Identifier: Apache-2.0
import importlib
import json
import logging
import os
import platform
import py_compile
import shutil
import site
import sys
import tempfile
import time
import unittest
from unittest import mock
from unittest.mock import patch
import zipfile
from c7n.config import Config
from c7n.mu import (
custodian_archive,
generate_requirements,
get_exec_options,
BucketLambdaNotification,
LambdaFunction,
LambdaManager,
PolicyLambda,
PythonPackageArchive,
SNSSubscription,
SQSSubscription,
CloudWatchEventSource,
CloudWatchLogSubscription
)
from .common import (
BaseTest, event_data, functional, Bag, ACCOUNT_ID)
from .data import helloworld
ROLE = "arn:aws:iam::644160558196:role/custodian-mu"
def test_get_exec_options():
assert get_exec_options(Config().empty()) == {'tracer': 'default'}
assert get_exec_options(Config().empty(output_dir='/tmp/xyz')) == {
'tracer': 'default'}
assert get_exec_options(
Config().empty(log_group='gcp', output_dir='gs://mybucket/myprefix')) == {
'tracer': 'default',
'output_dir': 'gs://mybucket/myprefix',
'log_group': 'gcp'}
def test_generate_requirements():
lines = generate_requirements(
'boto3', ignore=('docutils', 's3transfer', 'six'), exclude=['urllib3'])
packages = []
for l in lines.split('\n'):
pkg_name, _ = l.split('==')
packages.append(pkg_name)
assert set(packages) == {'botocore', 'jmespath', 'python-dateutil'}
class Publish(BaseTest):
def make_func(self, **kw):
func_data = dict(
name="test-foo-bar",
handler="index.handler",
memory_size=128,
timeout=3,
role=ROLE,
runtime="python3.12",
description="test",
)
func_data.update(kw)
archive = PythonPackageArchive()
archive.add_contents(
"index.py", """def handler(*a, **kw):\n print("Greetings, program!")"""
)
archive.close()
self.addCleanup(archive.remove)
return LambdaFunction(func_data, archive)
class PolicyLambdaProvision(Publish):
role = "arn:aws:iam::644160558196:role/custodian-mu"
def assert_items(self, result, expected):
for k, v in expected.items():
self.assertEqual(v, result[k])
def test_config_rule_provision(self):
session_factory = self.replay_flight_data("test_config_rule")
p = self.load_policy(
{
"resource": "security-group",
"name": "sg-modified",
"mode": {"type": "config-rule"},
},
session_factory=session_factory
)
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
result = mgr.publish(pl, "Dev", role=ROLE)
self.assertEqual(result["FunctionName"], "custodian-sg-modified")
self.addCleanup(mgr.remove, pl)
def test_published_lambda_architecture(self):
session_factory = self.replay_flight_data("test_published_lambda_architecture")
with patch('platform.machine', return_value="arm64"):
p = self.load_policy({
'name': 'ec2-foo-bar',
'resource': 'aws.ec2',
'mode': {
'type': 'cloudtrail',
'role': 'arn:aws:iam::644160558196:role/custodian-mu',
'events': ['RunInstances']}})
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
result = mgr.publish(pl)
self.assertEqual(result["Architectures"], ["arm64"])
def test_deferred_interpolation(self):
p = self.load_policy({
'name': 'ec2-foo-bar',
'resource': 'aws.ec2',
'mode': {
'type': 'cloudtrail',
'role': 'arn:aws:iam::644160558196:role/custodian-mu',
'events': ['RunInstances']},
'actions': [{
'type': 'tag', 'key': 'LastMatch', 'value': '{now}'
}]})
p.expand_variables(p.get_variables())
pl = PolicyLambda(p)
pl.get_archive()
def test_updated_lambda_architecture(self):
session_factory = self.replay_flight_data("test_updated_lambda_architecture")
lambda_client = session_factory().client("lambda")
initial_config = lambda_client.get_function(FunctionName="custodian-ec2-foo-bar")
self.assertEqual(initial_config.get('Configuration').get('Architectures'), ["arm64"])
with patch('platform.machine', return_value="x86_64"):
p1 = self.load_policy({
'name': 'ec2-foo-bar',
'resource': 'aws.ec2',
'mode': {
'type': 'cloudtrail',
'role': 'arn:aws:iam::644160558196:role/custodian-mu',
'runtime': 'python3.9',
'events': ['RunInstances']}})
pl1 = PolicyLambda(p1)
mgr = LambdaManager(session_factory)
mgr.publish(pl1)
if self.recording:
time.sleep(30)
updated_config = lambda_client.get_function_configuration(
FunctionName="custodian-ec2-foo-bar")
self.assertEqual(updated_config.get('Architectures'), ["x86_64"])
self.addCleanup(mgr.remove, pl1)
def test_config_poll_rule_evaluation(self):
session_factory = self.replay_flight_data("test_config_poll_rule_evaluation")
# config added support for kinesis streams after that test was written
# disable that support so the original behavior check on config poll mode
# can be verified
from c7n.resources.kinesis import KinesisStream
self.patch(
KinesisStream.resource_type, 'config_type', None)
p = self.load_policy({
'name': 'configx',
'resource': 'aws.kinesis',
'mode': {
'schedule': 'Three_Hours',
'type': 'config-poll-rule'}})
mu_policy = PolicyLambda(p)
mu_policy.arn = "arn:aws:lambda:us-east-1:644160558196:function:CloudCustodian"
events = mu_policy.get_events(session_factory)
self.assertEqual(len(events), 1)
config_rule = events.pop()
self.assertEqual(
config_rule.get_rule_params(mu_policy),
{'ConfigRuleName': 'custodian-configx',
'Description': 'cloud-custodian lambda policy',
'MaximumExecutionFrequency': 'Three_Hours',
'Scope': {'ComplianceResourceTypes': ['AWS::Kinesis::Stream']},
'Source': {
'Owner': 'CUSTOM_LAMBDA',
'SourceDetails': [{'EventSource': 'aws.config',
'MessageType': 'ScheduledNotification'}],
'SourceIdentifier': 'arn:aws:lambda:us-east-1:644160558196:function:CloudCustodian'} # noqa
})
def test_config_rule_evaluation(self):
session_factory = self.replay_flight_data("test_config_rule_evaluate")
p = self.load_policy(
{
"resource": "ec2",
"name": "ec2-modified",
"mode": {"type": "config-rule"},
"filters": [{"InstanceId": "i-094bc87c84d56c589"}],
},
session_factory=session_factory,
)
mode = p.get_execution_mode()
event = event_data("event-config-rule-instance.json")
resources = mode.run(event, None)
self.assertEqual(len(resources), 1)
def test_phd_account_mode(self):
factory = self.replay_flight_data('test_phd_event_mode')
p = self.load_policy(
{'name': 'ec2-retire',
'resource': 'account',
'mode': {
'categories': ['scheduledChange'],
'events': ['AWS_EC2_PERSISTENT_INSTANCE_RETIREMENT_SCHEDULED'],
'type': 'phd'}}, session_factory=factory)
mode = p.get_execution_mode()
event = event_data('event-phd-ec2-retire.json')
resources = mode.run(event, None)
self.assertEqual(len(resources), 1)
self.assertTrue('c7n:HealthEvent' in resources[0])
def test_phd_mode_sans_details(self):
factory = self.replay_flight_data('test_phd_event_mode')
p = self.load_policy(
{'name': 'ec2-retire',
'resource': 'account',
'mode': {'type': 'phd'}}, session_factory=factory)
p_lambda = PolicyLambda(p)
events = p_lambda.get_events(factory)
self.assertEqual(
json.loads(events[0].render_event_pattern()),
{'source': ['aws.health']}
)
def test_phd_mode(self):
factory = self.replay_flight_data('test_phd_event_mode')
p = self.load_policy(
{'name': 'ec2-retire',
'resource': 'ec2',
'mode': {
'categories': ['scheduledChange'],
'events': ['AWS_EC2_PERSISTENT_INSTANCE_RETIREMENT_SCHEDULED'],
'type': 'phd'}}, session_factory=factory)
mode = p.get_execution_mode()
event = event_data('event-phd-ec2-retire.json')
resources = mode.run(event, None)
self.assertEqual(len(resources), 1)
p_lambda = PolicyLambda(p)
events = p_lambda.get_events(factory)
self.assertEqual(
json.loads(events[0].render_event_pattern()),
{'detail': {
'eventTypeCategory': ['scheduledChange'],
'eventTypeCode': ['AWS_EC2_PERSISTENT_INSTANCE_RETIREMENT_SCHEDULED']},
'source': ['aws.health']}
)
def test_phd_mode_account(self):
factory = self.replay_flight_data('test_phd_event_account')
p = self.load_policy(
{'name': 'ec2-retire',
'resource': 'account',
'mode': {
'categories': ['issue', 'scheduledChange'],
'statuses': ['open', 'upcoming'],
'type': 'phd'}}, session_factory=factory)
p_lambda = PolicyLambda(p)
events = p_lambda.get_events(factory)
self.assertEqual(
json.loads(events[0].render_event_pattern()),
{'detail': {
'eventTypeCategory': ['issue', 'scheduledChange']},
'source': ['aws.health']}
)
def test_cloudtrail_delay(self):
p = self.load_policy({
'name': 'aws-account',
'resource': 'aws.account',
'mode': {
'type': 'cloudtrail',
'delay': 32,
'role': 'CustodianRole',
'events': ['RunInstances']}})
from c7n import policy
class time:
invokes = []
@classmethod
def sleep(cls, duration):
cls.invokes.append(duration)
self.patch(policy, 'time', time)
trail_mode = p.get_execution_mode()
results = trail_mode.run({
'detail': {
'eventSource': 'ec2.amazonaws.com',
'eventName': 'RunInstances'}},
None)
self.assertEqual(len(results), 0)
self.assertEqual(time.invokes, [32])
def test_user_pattern_merge(self):
p = self.load_policy({
'name': 'ec2-retire',
'resource': 'ec2',
'mode': {
'type': 'cloudtrail',
'pattern': {
'detail': {
'userIdentity': {
'userName': [{'anything-but': 'deputy'}]}}},
'events': [{
'ids': 'responseElements.subnet.subnetId',
'source': 'ec2.amazonaws.com',
'event': 'CreateSubnet'}]}})
p_lambda = PolicyLambda(p)
events = p_lambda.get_events(None)
self.assertEqual(
json.loads(events[0].render_event_pattern()),
{'detail': {'eventName': ['CreateSubnet'],
'eventSource': ['ec2.amazonaws.com'],
'userIdentity': {'userName': [{'anything-but': 'deputy'}]}},
'detail-type': ['AWS API Call via CloudTrail']})
@functional
def test_sqs_subscriber(self):
session_factory = self.replay_flight_data('test_mu_sqs_subscriber')
func_name = 'c7n-hello-sqs'
queue_name = "my-dev-test-3"
# Setup Queues
session = session_factory()
client = session.client('sqs')
queue_url = client.create_queue(QueueName=queue_name).get('QueueUrl')
queue_arn = client.get_queue_attributes(
QueueUrl=queue_url,
AttributeNames=['QueueArn'])['Attributes']['QueueArn']
self.addCleanup(client.delete_queue, QueueUrl=queue_url)
# Setup Function
params = dict(
session_factory=session_factory,
name=func_name,
role="arn:aws:iam::644160558196:role/custodian-mu",
events=[SQSSubscription(session_factory, [queue_arn])])
func = helloworld.get_function(**params)
manager = LambdaManager(session_factory)
manager.publish(func)
self.addCleanup(manager.remove, func)
# Send and Receive Check
client.send_message(
QueueUrl=queue_url, MessageBody=json.dumps({'jurassic': 'block'}))
if self.recording:
time.sleep(60)
# log_events = list(manager.logs(func, "1970-1-1 UTC", "2037-1-1"))
# messages = [
# e["message"] for e in log_events if e["message"].startswith('{"Records')
# ]
self.addCleanup(
session.client("logs").delete_log_group,
logGroupName="/aws/lambda/%s" % func_name)
# self.assertIn(
# 'jurassic',
# json.loads(messages[0])["Records"][0]["body"])
@functional
def test_sns_subscriber_and_ipaddress(self):
self.patch(SNSSubscription, "iam_delay", 0.01)
session_factory = self.replay_flight_data("test_sns_subscriber_and_ipaddress")
session = session_factory()
client = session.client("sns")
# create an sns topic
tname = "custodian-test-sns-sub"
topic_arn = client.create_topic(Name=tname)["TopicArn"]
self.addCleanup(client.delete_topic, TopicArn=topic_arn)
# provision a lambda via mu
params = dict(
session_factory=session_factory,
name="c7n-hello-world",
role="arn:aws:iam::644160558196:role/custodian-mu",
events=[SNSSubscription(session_factory, [topic_arn])],
)
func = helloworld.get_function(**params)
manager = LambdaManager(session_factory)
manager.publish(func)
self.addCleanup(manager.remove, func)
# now publish to the topic and look for lambda log output
client.publish(TopicArn=topic_arn, Message="Greetings, program!")
if self.recording:
time.sleep(30)
# log_events = manager.logs(func, "1970-1-1 UTC", "2037-1-1")
# messages = [
# e["message"] for e in log_events if e["message"].startswith('{"Records')
# ]
# self.addCleanup(
# session.client("logs").delete_log_group,
# logGroupName="/aws/lambda/c7n-hello-world",
# )
# self.assertEqual(
# json.loads(messages[0])["Records"][0]["Sns"]["Message"],
# "Greetings, program!",
# )
def test_cwe_update_config_and_code(self):
# Originally this was testing the no update case.. but
# That is tricky to record, any updates to the code end up
# causing issues due to checksum mismatches which imply updating
# the function code / which invalidate the recorded data and
# the focus of the test.
session_factory = self.replay_flight_data("test_cwe_update", zdata=True)
p = self.load_policy({
"resource": "s3",
"name": "s3-bucket-policy",
"mode": {"type": "cloudtrail",
"events": ["CreateBucket"], 'runtime': 'python3.12'},
"filters": [
{"type": "missing-policy-statement",
"statement_ids": ["RequireEncryptedPutObject"]},
],
"actions": ["no-op"],
})
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
result = mgr.publish(pl, "Dev", role=ROLE)
self.addCleanup(mgr.remove, pl)
p = self.load_policy(
{
"resource": "s3",
"name": "s3-bucket-policy",
"mode": {
"type": "cloudtrail",
"memory": 256,
'runtime': 'python3.12',
"events": [
"CreateBucket",
{
"event": "PutBucketPolicy",
"ids": "requestParameters.bucketName",
"source": "s3.amazonaws.com",
},
],
},
"filters": [
{
"type": "missing-policy-statement",
"statement_ids": ["RequireEncryptedPutObject"],
}
],
"actions": ["no-op"],
},
)
output = self.capture_logging("custodian.serverless", level=logging.DEBUG)
result2 = mgr.publish(PolicyLambda(p), "Dev", role=ROLE)
lines = output.getvalue().strip().split("\n")
self.assertTrue("Updating function custodian-s3-bucket-policy code" in lines)
self.assertTrue(
"Updating function: custodian-s3-bucket-policy config MemorySize" in lines)
self.assertEqual(result["FunctionName"], result2["FunctionName"])
# drive by coverage
functions = [
i
for i in mgr.list_functions()
if i["FunctionName"] == "custodian-s3-bucket-policy"
]
self.assertTrue(len(functions), 1)
def test_cwe_trail(self):
session_factory = self.replay_flight_data("test_cwe_trail", zdata=True)
p = self.load_policy({
"resource": "s3",
"name": "s3-bucket-policy",
"mode": {"type": "cloudtrail", "events": ["CreateBucket"]},
"filters": [
{
"type": "missing-policy-statement",
"statement_ids": ["RequireEncryptedPutObject"],
}
],
"actions": ["no-op"]},
session_factory=session_factory)
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
self.addCleanup(mgr.remove, pl)
result = mgr.publish(pl, "Dev", role=ROLE)
events = pl.get_events(session_factory)
self.assertEqual(len(events), 1)
event = events.pop()
self.assertEqual(
json.loads(event.render_event_pattern()),
{
u"detail": {
u"eventName": [u"CreateBucket"],
u"eventSource": [u"s3.amazonaws.com"],
},
u"detail-type": ["AWS API Call via CloudTrail"],
},
)
self.assert_items(
result,
{
"Description": "cloud-custodian lambda policy",
"FunctionName": "custodian-s3-bucket-policy",
"Handler": "custodian_policy.run",
"MemorySize": 512,
"Runtime": "python2.7",
"Timeout": 60,
},
)
def test_cwe_instance(self):
session_factory = self.replay_flight_data("test_cwe_instance", zdata=True)
p = self.load_policy({
"resource": "s3",
"name": "ec2-encrypted-vol",
"mode": {"type": "ec2-instance-state", "events": ["pending"]}},
session_factory=session_factory)
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
self.addCleanup(mgr.remove, pl)
result = mgr.publish(pl, "Dev", role=ROLE)
self.assert_items(
result,
{
"Description": "cloud-custodian lambda policy",
"FunctionName": "custodian-ec2-encrypted-vol",
"Handler": "custodian_policy.run",
"MemorySize": 512,
"Runtime": "python2.7",
"Timeout": 60,
},
)
events = session_factory().client("events")
result = events.list_rules(NamePrefix="custodian-ec2-encrypted-vol")
self.assert_items(
result["Rules"][0],
{"State": "ENABLED", "Name": "custodian-ec2-encrypted-vol"},
)
self.assertEqual(
json.loads(result["Rules"][0]["EventPattern"]),
{
"source": ["aws.ec2"],
"detail": {"state": ["pending"]},
"detail-type": ["EC2 Instance State-change Notification"],
},
)
def test_cwe_asg_instance(self):
session_factory = self.replay_flight_data("test_cwe_asg", zdata=True)
p = self.load_policy(
{
"resource": "asg",
"name": "asg-spin-detector",
"mode": {"type": "asg-instance-state", "events": ["launch-failure"]},
}, session_factory=session_factory)
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
self.addCleanup(mgr.remove, pl)
result = mgr.publish(pl, "Dev", role=ROLE)
self.assert_items(
result,
{
"FunctionName": "custodian-asg-spin-detector",
"Handler": "custodian_policy.run",
"MemorySize": 512,
"Runtime": "python2.7",
"Timeout": 60,
},
)
events = session_factory().client("events")
result = events.list_rules(NamePrefix="custodian-asg-spin-detector")
self.assert_items(
result["Rules"][0],
{"State": "ENABLED", "Name": "custodian-asg-spin-detector"},
)
self.assertEqual(
json.loads(result["Rules"][0]["EventPattern"]),
{
"source": ["aws.autoscaling"],
"detail-type": ["EC2 Instance Launch Unsuccessful"],
},
)
def test_cwe_security_hub_action(self):
factory = self.replay_flight_data('test_mu_cwe_sechub_action')
p = self.load_policy({
'name': 'sechub',
'resource': 'account',
'mode': {
'type': 'hub-action'}},
session_factory=factory,
config={'account_id': ACCOUNT_ID})
mu_policy = PolicyLambda(p)
events = mu_policy.get_events(factory)
self.assertEqual(len(events), 1)
hub_action = events.pop()
self.assertEqual(
json.loads(hub_action.cwe.render_event_pattern()),
{'resources': [
'arn:aws:securityhub:us-east-1:644160558196:action/custom/sechub'],
'source': ['aws.securityhub'],
'detail-type': [
'Security Hub Findings - Custom Action', 'Security Hub Insight Results'
]})
hub_action.cwe = cwe = mock.Mock(CloudWatchEventSource)
cwe.get.return_value = False
cwe.update.return_value = True
cwe.add.return_value = True
self.assertEqual(repr(hub_action), "<SecurityHub Action sechub>")
self.assertEqual(
hub_action._get_arn(),
"arn:aws:securityhub:us-east-1:644160558196:action/custom/sechub")
self.assertEqual(
hub_action.get(mu_policy.name), {'event': False, 'action': None})
hub_action.add(mu_policy, None)
self.assertEqual(
{'event': False,
'action': {
'ActionTargetArn': ('arn:aws:securityhub:us-east-1:'
'644160558196:action/custom/sechub'),
'Name': 'Account sechub', 'Description': 'sechub'}},
hub_action.get(mu_policy.name))
hub_action.update(mu_policy)
hub_action.remove(mu_policy, func_deleted=True)
self.assertEqual(
hub_action.get(mu_policy.name),
{'event': False, 'action': None})
def test_cwe_schedule(self):
session_factory = self.replay_flight_data("test_cwe_schedule", zdata=True)
p = self.load_policy(
{
"resource": "ec2",
"name": "periodic-ec2-checker",
"mode": {"type": "periodic", "schedule": "rate(1 day)"},
}, session_factory=session_factory)
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
self.addCleanup(mgr.remove, pl)
result = mgr.publish(pl, "Dev", role=ROLE)
self.assert_items(
result,
{
"FunctionName": "custodian-periodic-ec2-checker",
"Handler": "custodian_policy.run",
"MemorySize": 512,
"Runtime": "python2.7",
"Timeout": 60,
},
)
events = session_factory().client("events")
result = events.list_rules(NamePrefix="custodian-periodic-ec2-checker")
self.assert_items(
result["Rules"][0],
{
"State": "ENABLED",
"ScheduleExpression": "rate(1 day)",
"Name": "custodian-periodic-ec2-checker",
},
)
key_arn = "arn:aws:kms:us-west-2:644160558196:key/" "44d25a5c-7efa-44ed-8436-b9511ea921b3"
sns_arn = "arn:aws:sns:us-west-2:644160558196:config-topic"
def create_a_lambda(self, flight, **extra):
session_factory = self.replay_flight_data(flight, zdata=True)
mode = {
"type": "config-rule", "role": "arn:aws:iam::644160558196:role/custodian-mu"
}
mode.update(extra)
p = self.load_policy({
"resource": "s3",
"name": "hello-world",
"actions": ["no-op"],
"mode": mode},
session_factory=session_factory)
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
def cleanup():
mgr.remove(pl)
if self.recording:
time.sleep(60)
self.addCleanup(cleanup)
return mgr, mgr.publish(pl)
def test_eb_schedule(self):
session_factory = self.replay_flight_data("test_eb_scheduler")
scheduler_role = "arn:aws:iam::644160558196:role/custodian-scheduler-mu"
policy = {
"resource": "ec2",
"name": "schedule-ec2-checker",
"mode": {"type": "schedule", "schedule": "rate(1 day)",
"scheduler-role": scheduler_role},
}
p = self.load_policy(policy, session_factory=session_factory)
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
self.addCleanup(mgr.remove, pl)
result = mgr.publish(pl, "Dev", role=ROLE)
self.assert_items(
result,
{
"FunctionName": "custodian-schedule-ec2-checker",
"Handler": "custodian_policy.run",
"MemorySize": 512,
"Runtime": "python3.11",
"Timeout": 900,
},
)
scheduler = session_factory().client("scheduler")
result = scheduler.get_schedule(Name="custodian-schedule-ec2-checker")
self.assert_items(
result,
{
"State": "ENABLED",
"ScheduleExpression": "rate(1 day)",
"Name": "custodian-schedule-ec2-checker"
}
)
self.assert_items(result['Target'], {"RoleArn": scheduler_role})
# modify policy and re-publish
policy['mode']['timezone'] = 'America/New_York'
p = self.load_policy(policy, session_factory=session_factory)
pl = PolicyLambda(p)
self.addCleanup(mgr.remove, pl)
result = mgr.publish(pl, "Dev", role=ROLE)
result = scheduler.get_schedule(Name="custodian-schedule-ec2-checker")
self.assert_items(
result,
{
"State": "ENABLED",
"ScheduleExpression": "rate(1 day)",
"Name": "custodian-schedule-ec2-checker",
"ScheduleExpressionTimezone": 'America/New_York'
}
)
# modify scheduler role
policy['mode']['scheduler-role'] = f'{scheduler_role}2'
p = self.load_policy(policy, session_factory=session_factory)
pl = PolicyLambda(p)
self.addCleanup(mgr.remove, pl)
result = mgr.publish(pl, "Dev", role=ROLE)
result = scheduler.get_schedule(Name="custodian-schedule-ec2-checker")
self.assert_items(result['Target'], {"RoleArn": f'{scheduler_role}2'})
def test_pause_resume_sched_policy(self):
session_factory = self.replay_flight_data("test_pause_resume_sched_policy")
scheduler_role = "arn:aws:iam::644160558196:role/custodian-scheduler-mu"
p = self.load_policy(
{
"resource": "ec2",
"name": "schedule-ec2-checker-2",
"mode": {"type": "schedule", "schedule": "rate(1 day)",
"scheduler-role": scheduler_role},
},
session_factory=session_factory)
pl = PolicyLambda(p)
mgr = LambdaManager(session_factory)
self.addCleanup(mgr.remove, pl, True)
mgr.publish(pl, "Dev", role=ROLE)
events = pl.get_events(session_factory)
self.assertEqual(len(events), 1)
scheduler = session_factory().client('scheduler')
events[0].pause(pl)
schedule = scheduler.get_schedule(Name=pl.event_name)
self.assertEqual(schedule["State"], "DISABLED")
# subsequent calls to pause an already paused rule should be a no-op
events[0].pause(pl)
events[0].resume(pl)
schedule = scheduler.get_schedule(Name=pl.event_name)
self.assertEqual(schedule["State"], "ENABLED")
# subsequent calls to resume an already enabled rule should be a no-op
events[0].resume(pl)
def create_a_lambda_with_lots_of_config(self, flight):
extra = {
"environment": {"Variables": {"FOO": "bar"}},
"kms_key_arn": self.key_arn,
"dead_letter_config": {"TargetArn": self.sns_arn},
"tracing_config": {"Mode": "Active"},
"tags": {"Foo": "Bar"},
}
return self.create_a_lambda(flight, **extra)
def update_a_lambda(self, mgr, **config):
mode = {
"type": "config-rule", "role": "arn:aws:iam::644160558196:role/custodian-mu"
}
mode.update(config)
p = self.load_policy({
"resource": "s3",
"name": "hello-world",
"actions": ["no-op"],
"mode": mode,
})
pl = PolicyLambda(p)
return mgr.publish(pl)
def test_config_coverage_for_lambda_creation(self):
mgr, result = self.create_a_lambda_with_lots_of_config(
"test_config_coverage_for_lambda_creation"
)
self.assert_items(
result,
{
"Description": "cloud-custodian lambda policy",
"FunctionName": "custodian-hello-world",
"Handler": "custodian_policy.run",
"MemorySize": 512,
"Runtime": "python2.7",
"Timeout": 60,
"DeadLetterConfig": {"TargetArn": self.sns_arn},
"Environment": {"Variables": {"FOO": "bar"}},
"KMSKeyArn": self.key_arn,
"TracingConfig": {"Mode": "Active"},
},
)
tags = mgr.client.list_tags(Resource=result["FunctionArn"])["Tags"]
self.assert_items(tags, {"Foo": "Bar"})
def test_config_coverage_for_lambda_update_from_plain(self):
mgr, result = self.create_a_lambda(
"test_config_coverage_for_lambda_update_from_plain"
)
result = self.update_a_lambda(
mgr,
**{
"environment": {"Variables": {"FOO": "bloo"}},
"kms_key_arn": self.key_arn,
"dead_letter_config": {"TargetArn": self.sns_arn},
"tracing_config": {"Mode": "Active"},
"tags": {"Foo": "Bloo"},
}
)
self.assert_items(
result,
{
"Description": "cloud-custodian lambda policy",
"FunctionName": "custodian-hello-world",
"Handler": "custodian_policy.run",
"MemorySize": 512,
"Runtime": "python2.7",
"Timeout": 60,
"DeadLetterConfig": {"TargetArn": self.sns_arn},
"Environment": {"Variables": {"FOO": "bloo"}},
"TracingConfig": {"Mode": "Active"},
},
)
tags = mgr.client.list_tags(Resource=result["FunctionArn"])["Tags"]
self.assert_items(tags, {"Foo": "Bloo"})
def test_config_coverage_for_lambda_update_from_complex(self):
mgr, result = self.create_a_lambda_with_lots_of_config(
"test_config_coverage_for_lambda_update_from_complex"
)
result = self.update_a_lambda(
mgr,
**{
"runtime": "python3.12",
"environment": {"Variables": {"FOO": "baz"}},
"kms_key_arn": "",
"dead_letter_config": {},
"tracing_config": {},
"tags": {"Foo": "Baz", "Bah": "Bug"},
}
)
self.assert_items(
result,
{
"Description": "cloud-custodian lambda policy",
"FunctionName": "custodian-hello-world",
"Handler": "custodian_policy.run",
"MemorySize": 512,
"Runtime": "python3.12",
"Timeout": 60,
"DeadLetterConfig": {"TargetArn": self.sns_arn},
"Environment": {"Variables": {"FOO": "baz"}},
"TracingConfig": {"Mode": "Active"},
},
)
tags = mgr.client.list_tags(Resource=result["FunctionArn"])["Tags"]
self.assert_items(tags, {"Foo": "Baz", "Bah": "Bug"})
def test_optional_packages(self):
data = {
"name": "s3-lambda-extra",
"resource": "s3",
"mode": {
"type": "cloudtrail",
"packages": ["boto3"],
"events": ["CreateBucket"],
},
}
p = self.load_policy(data)
pl = PolicyLambda(p)
pl.archive.close()
self.assertTrue("boto3/utils.py" in pl.archive.get_filenames())
def test_delta_config_diff(self):
delta = LambdaManager.delta_function
self.assertFalse(
delta(
{
"VpcConfig": {
"SubnetIds": ["s-1", "s-2"],
"SecurityGroupIds": ["sg-1", "sg-2"],
}
},
{
"VpcConfig": {
"SubnetIds": ["s-2", "s-1"],
"SecurityGroupIds": ["sg-2", "sg-1"],
}
},
)
)
self.assertTrue(
delta(
{
"VpcConfig": {
"SubnetIds": ["s-1", "s-2"],
"SecurityGroupIds": ["sg-1", "sg-2"],
}
},
{
"VpcConfig": {
"SubnetIds": ["s-2", "s-1"],
"SecurityGroupIds": ["sg-3", "sg-1"],
}
},
)
)
self.assertTrue(
delta(
{
"VpcConfig": {
"SubnetIds": ["s-1", "s-2"],
"SecurityGroupIds": ["sg-1", "sg-2"],
}
},
{
"VpcConfig": {
"SubnetIds": ["s-1", "s-2"],
"SecurityGroupIds": ["sg-1", "sg-2"],
"Ipv6AllowedForDualStack": True,
}