462 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			462 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| """Unit tests specific to the ConfigService ConfigRule APIs.
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| 
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|  These APIs include:
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|    put_config_rule
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|    describe_config_rule
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|    delete_config_rule
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| """
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| import json
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| from string import ascii_lowercase
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| 
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| import boto3
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| from botocore.exceptions import ClientError
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| import pytest
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| 
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| from moto.config import mock_config
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| from moto.config.models import random_string
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| from moto.config.models import ConfigRule, CONFIG_RULE_PAGE_SIZE
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| from moto import settings
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| 
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| TEST_REGION = "us-east-1" if settings.TEST_SERVER_MODE else "us-west-2"
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| 
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| 
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| def managed_config_rule():
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|     """Return a valid managed AWS Config Rule."""
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|     return {
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|         "ConfigRuleName": f"managed_rule_{random_string()}",
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|         "Description": "Managed S3 Public Read Prohibited Bucket Rule",
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|         "Scope": {"ComplianceResourceTypes": ["AWS::S3::Bucket", "AWS::IAM::Group"]},
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|         "Source": {
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|             "Owner": "AWS",
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|             "SourceIdentifier": "S3_BUCKET_PUBLIC_READ_PROHIBITED",
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|         },
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|         "MaximumExecutionFrequency": "One_Hour",
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|     }
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| 
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| 
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| @mock_config
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| def test_put_config_rule_errors():
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|     """Test various error conditions in put_config_rule API call."""
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|     client = boto3.client("config", region_name=TEST_REGION)
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| 
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|     rule_name_base = "cf_limit_test"
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|     for idx in range(ConfigRule.MAX_RULES):
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|         managed_rule = managed_config_rule()
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|         managed_rule["ConfigRuleName"] = f"{rule_name_base}_{idx}"
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|         client.put_config_rule(ConfigRule=managed_rule)
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| 
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|     with pytest.raises(ClientError) as exc:
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|         managed_rule = managed_config_rule()
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|         managed_rule["ConfigRuleName"] = f"{rule_name_base}_{ConfigRule.MAX_RULES}"
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "MaxNumberOfConfigRulesExceededException"
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|     assert "maximum number of config rules" in err["Message"]
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| 
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|     # Free up the memory from the limits test.
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|     for idx in range(ConfigRule.MAX_RULES):
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|         client.delete_config_rule(ConfigRuleName=f"{rule_name_base}_{idx}")
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| 
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|     # Rule name that exceeds 128 chars in length.
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|     rule_name = ascii_lowercase * 5
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|     managed_rule = managed_config_rule()
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|     managed_rule["ConfigRuleName"] = rule_name
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "ValidationException"
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|     assert "Member must have length less than or equal to 128" in err["Message"]
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| 
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| 
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| @mock_config
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| def test_put_config_rule_update_errors():
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|     """Test various error conditions when updating ConfigRule."""
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|     client = boto3.client("config", region_name=TEST_REGION)
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| 
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|     # No name, arn or id.
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|     managed_rule = {
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|         "Description": "Managed S3 Public Read Prohibited Bucket Rule",
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|         "Scope": {"ComplianceResourceTypes": ["AWS::S3::Bucket"]},
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|         "Source": {
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|             "Owner": "AWS",
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|             "SourceIdentifier": "S3_BUCKET_PUBLIC_READ_PROHIBITED",
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|         },
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|     }
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         "One or more identifiers needs to be provided. Provide Name or Id or Arn"
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|         in err["Message"]
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|     )
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| 
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|     # Provide an id for a rule that does not exist.
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|     managed_rule = {
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|         "ConfigRuleId": "foo",
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|         "Description": "Managed S3 Public Read Prohibited Bucket Rule",
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|         "Scope": {"ComplianceResourceTypes": ["AWS::S3::Bucket"]},
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|         "Source": {
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|             "Owner": "AWS",
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|             "SourceIdentifier": "S3_BUCKET_PUBLIC_READ_PROHIBITED",
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|         },
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|     }
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         "One or more identifiers needs to be provided. Provide Name or Id or Arn"
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|         in err["Message"]
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|     )
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| 
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| 
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| @mock_config
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| def test_config_rule_errors():  # pylint: disable=too-many-statements
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|     """Test various error conditions in ConfigRule instantiation."""
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|     client = boto3.client("config", region_name=TEST_REGION)
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| 
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|     # Missing fields (ParamValidationError) caught by botocore and not
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|     # tested here:  ConfigRule.Source, ConfigRule.ConfigRuleName
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["ConfigRuleArn"] = "arn"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         "ConfigRule Arn and Id can not be specified when creating a new "
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|         "ConfigRule." in err["Message"]
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|     )
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| 
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|     managed_rule = managed_config_rule()
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|     bad_json_string = "{'name': 'test', 'type': null, }"
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|     managed_rule["InputParameters"] = bad_json_string
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         f"Invalid json {bad_json_string} passed in the InputParameters field"
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|         in err["Message"]
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|     )
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["MaximumExecutionFrequency"] = "HOUR"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "ValidationException"
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|     assert (
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|         "Member must satisfy enum value set: {One_Hour, Six_Hours, "
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|         "Three_Hours, Twelve_Hours, TwentyFour_Hours}" in err["Message"]
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|     )
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["ConfigRuleState"] = "BOGUS"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "ValidationException"
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|     assert (
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|         "Value 'BOGUS' at 'configRule.configRuleState' failed to satisfy "
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|         "constraint: Member must satisfy enum value set: {ACTIVE, "
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|         "DELETING, DELETING_RESULTS, EVALUATING}" in err["Message"]
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|     )
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["ConfigRuleState"] = "DELETING"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         "The ConfigRuleState DELETING is invalid.  Only the following values "
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|         "are permitted: ACTIVE" in err["Message"]
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|     )
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["CreatedBy"] = "tester"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         "AWS Config populates the CreatedBy field for ServiceLinkedConfigRule. "
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|         "Try again without populating the CreatedBy field" in err["Message"]
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|     )
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| 
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| 
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| @mock_config
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| def test_aws_managed_rule_errors():
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|     """Test various error conditions in ConfigRule instantiation."""
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|     client = boto3.client("config", region_name=TEST_REGION)
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| 
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|     # Extra, unknown input parameter should raise an error.
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|     managed_rule = managed_config_rule()
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|     managed_rule["Source"]["SourceIdentifier"] = "IAM_PASSWORD_POLICY"
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|     managed_rule["InputParameters"] = '{"RequireNumbers":"true","Extra":"10"}'
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         f"Unknown parameters provided in the inputParameters: "
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|         f"{managed_rule['InputParameters']}" in err["Message"]
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|     )
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| 
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|     # Missing required parameters should raise an error.
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|     managed_rule = managed_config_rule()
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|     managed_rule["Source"]["SourceIdentifier"] = "CLOUDWATCH_ALARM_ACTION_CHECK"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         "The required parameter [alarmActionRequired, "
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|         "insufficientDataActionRequired, okActionRequired] is not present "
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|         "in the inputParameters" in err["Message"]
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|     )
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| 
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|     # If no MaxExecutionFrequency specified, set it to the default.
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|     # rule_name = f"managed_rule_{random_string()}"
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|     # managed_rule = {
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|     #     "ConfigRuleName": rule_name,
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|     #     "Description": "Managed S3 Public Read Prohibited Bucket Rule",
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|     #     "Scope": {"ComplianceResourceTypes": ["AWS::IAM::Group"]},
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|     #     "Source": {
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|     #         "Owner": "AWS",
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|     #         "SourceIdentifier": "IAM_PASSWORD_POLICY",
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|     #     },
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|     # }
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|     # client.put_config_rule(ConfigRule=managed_rule)
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|     # rsp = client.describe_config_rules(ConfigRuleNames=[rule_name])
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|     # new_config_rule = rsp["ConfigRules"][0]
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|     # assert new_config_rule["MaximumExecutionFrequency"] == "TwentyFour_Hours"
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| 
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| 
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| @mock_config
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| def test_config_rules_scope_errors():  # pylint: disable=too-many-statements
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|     """Test various error conditions in ConfigRule.Scope instantiation."""
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|     client = boto3.client("config", region_name=TEST_REGION)
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["Scope"]["TagValue"] = "tester"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         "Tag key should not be empty when tag value is provided in scope"
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|         in err["Message"]
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|     )
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["Scope"]["ComplianceResourceId"] = "12345"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert (
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|         "A single resourceType should be provided when resourceId is provided "
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|         "in scope" in err["Message"]
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|     )
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| 
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|     managed_rule = managed_config_rule()
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|     tag_key = "hellobye" * 16 + "x"
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|     managed_rule["Scope"]["TagKey"] = tag_key
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "ValidationException"
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|     assert (
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|         f"Value '{tag_key}' at 'ConfigRule.Scope.TagKey' failed to satisfy "
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|         f"constraint: Member must have length less than or equal to 128"
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|         in err["Message"]
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|     )
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["Scope"]["TagKey"] = "test"
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|     tag_value = "01234567890123456" * 16 + "x"
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|     managed_rule["Scope"]["TagValue"] = tag_value
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "ValidationException"
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|     assert (
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|         f"Value '{tag_value}' at 'ConfigRule.Scope.TagValue' failed to "
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|         f"satisfy constraint: Member must have length less than or equal to "
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|         f"256" in err["Message"]
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|     )
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["Scope"]["TagKey"] = "test"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert "Scope cannot be applied to both resource and tag" in err["Message"]
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| 
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|     managed_rule = managed_config_rule()
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|     managed_rule["Scope"]["TagKey"] = "test_key"
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|     managed_rule["Scope"]["ComplianceResourceTypes"] = []
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|     managed_rule["Scope"]["ComplianceResourceId"] = "12345"
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|     with pytest.raises(ClientError) as exc:
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|         client.put_config_rule(ConfigRule=managed_rule)
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidParameterValueException"
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|     assert "Scope cannot be applied to both resource and tag" in err["Message"]
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| 
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| 
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| @mock_config
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| def test_valid_put_config_managed_rule():
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|     """Test valid put_config_rule API calls for managed rules."""
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|     client = boto3.client("config", region_name=TEST_REGION)
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| 
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|     # Create managed rule and compare input against describe_config_rule()
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|     # output.
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|     managed_rule = managed_config_rule()
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|     managed_rule["Source"]["SourceIdentifier"] = "IAM_PASSWORD_POLICY"
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|     managed_rule["Scope"]["ComplianceResourceTypes"] = ["AWS::IAM::Group"]
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|     managed_rule["Scope"]["ComplianceResourceId"] = "basic_test"
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|     managed_rule["InputParameters"] = '{"RequireUppercaseCharacters":"true"}'
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|     managed_rule["ConfigRuleState"] = "ACTIVE"
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|     client.put_config_rule(ConfigRule=managed_rule)
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| 
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|     rsp = client.describe_config_rules(ConfigRuleNames=[managed_rule["ConfigRuleName"]])
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|     managed_rule_json = json.dumps(managed_rule, sort_keys=True)
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|     new_config_rule = rsp["ConfigRules"][0]
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|     rule_arn = new_config_rule.pop("ConfigRuleArn")
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|     rule_id = new_config_rule.pop("ConfigRuleId")
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|     rsp_json = json.dumps(new_config_rule, sort_keys=True)
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|     assert managed_rule_json == rsp_json
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| 
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|     # Update managed rule and compare again.
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|     managed_rule["ConfigRuleArn"] = rule_arn
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|     managed_rule["ConfigRuleId"] = rule_id
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|     managed_rule["Description"] = "Updated Managed S3 Public Read Rule"
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|     managed_rule["Scope"]["ComplianceResourceTypes"] = ["AWS::S3::Bucket"]
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|     managed_rule["MaximumExecutionFrequency"] = "Six_Hours"
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|     managed_rule["InputParameters"] = "{}"
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|     client.put_config_rule(ConfigRule=managed_rule)
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| 
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|     rsp = client.describe_config_rules(ConfigRuleNames=[managed_rule["ConfigRuleName"]])
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|     managed_rule_json = json.dumps(managed_rule, sort_keys=True)
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|     rsp_json = json.dumps(rsp["ConfigRules"][0], sort_keys=True)
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|     assert managed_rule_json == rsp_json
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| 
 | |
|     # Valid InputParameters.
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|     managed_rule = {
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|         "ConfigRuleName": f"input_param_test_{random_string()}",
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|         "Description": "Provide subset of allowed input parameters",
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|         "InputParameters": '{"blockedPort1":"22","blockedPort2":"3389"}',
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|         "Scope": {"ComplianceResourceTypes": ["AWS::IAM::SecurityGroup"]},
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|         "Source": {"Owner": "AWS", "SourceIdentifier": "RESTRICTED_INCOMING_TRAFFIC"},
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|     }
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|     client.put_config_rule(ConfigRule=managed_rule)
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| 
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|     rsp = client.describe_config_rules(ConfigRuleNames=[managed_rule["ConfigRuleName"]])
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|     managed_rule_json = json.dumps(managed_rule, sort_keys=True)
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|     new_config_rule = rsp["ConfigRules"][0]
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|     del new_config_rule["ConfigRuleArn"]
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|     del new_config_rule["ConfigRuleId"]
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|     del new_config_rule["ConfigRuleState"]
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|     rsp_json = json.dumps(new_config_rule, sort_keys=True)
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|     assert managed_rule_json == rsp_json
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| 
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| 
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| @mock_config
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| def test_describe_config_rules():
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|     """Test the describe_config_rules API."""
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|     client = boto3.client("config", region_name=TEST_REGION)
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| 
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|     response = client.describe_config_rules()
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|     assert len(response["ConfigRules"]) == 0
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| 
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|     rule_name_base = "describe_test"
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|     for idx in range(ConfigRule.MAX_RULES):
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|         managed_rule = managed_config_rule()
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|         managed_rule["ConfigRuleName"] = f"{rule_name_base}_{idx}"
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|         client.put_config_rule(ConfigRule=managed_rule)
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| 
 | |
|     with pytest.raises(ClientError) as exc:
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|         client.describe_config_rules(
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|             ConfigRuleNames=[
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|                 f"{rule_name_base}_1",
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|                 f"{rule_name_base}_10",
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|                 "fooey",
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|                 f"{rule_name_base}_20",
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|             ]
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|         )
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "NoSuchConfigRuleException"
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|     assert "The ConfigRule 'fooey' provided in the request is invalid" in err["Message"]
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| 
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|     # Request three specific ConfigRules.
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|     response = client.describe_config_rules(
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|         ConfigRuleNames=[
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|             f"{rule_name_base}_1",
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|             f"{rule_name_base}_10",
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|             f"{rule_name_base}_20",
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|         ]
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|     )
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|     assert len(response["ConfigRules"]) == 3
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| 
 | |
|     # By default, if no ConfigRules are specified, all that can be fit on a
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|     # "page" will be returned.
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|     response = client.describe_config_rules()
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|     assert len(response["ConfigRules"]) == CONFIG_RULE_PAGE_SIZE
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| 
 | |
|     # Test a bad token.
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|     with pytest.raises(ClientError) as exc:
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|         client.describe_config_rules(NextToken="foo")
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|     err = exc.value.response["Error"]
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|     assert err["Code"] == "InvalidNextTokenException"
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|     assert "The nextToken provided is invalid" in err["Message"]
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| 
 | |
|     # Loop using tokens, verifying the tokens are as expected.
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|     expected_tokens = [  # Non-alphanumeric sorted token numbers
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|         f"{rule_name_base}_120",
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|         f"{rule_name_base}_143",
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|         f"{rule_name_base}_31",
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|         f"{rule_name_base}_54",
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|         f"{rule_name_base}_77",
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|         None,
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|     ]
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|     idx = 0
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|     token = f"{rule_name_base}_0"
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|     while token:
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|         rsp = client.describe_config_rules(NextToken=token)
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|         token = rsp.get("NextToken")
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|         assert token == expected_tokens[idx]
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|         idx += 1
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| 
 | |
| 
 | |
| @mock_config
 | |
| def test_delete_config_rules():
 | |
|     """Test the delete_config_rule API."""
 | |
|     client = boto3.client("config", region_name=TEST_REGION)
 | |
| 
 | |
|     # Create a ConfigRule:
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|     rule_name = "test_delete_config_rule"
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|     managed_rule = managed_config_rule()
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|     managed_rule["ConfigRuleName"] = rule_name
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|     client.put_config_rule(ConfigRule=managed_rule)
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| 
 | |
|     # Delete it:
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|     client.delete_config_rule(ConfigRuleName=rule_name)
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| 
 | |
|     # Verify that none are there:
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|     assert not client.describe_config_rules()["ConfigRules"]
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| 
 | |
|     # Try it again -- it should error indicating the rule could not be found.
 | |
|     with pytest.raises(ClientError) as exc:
 | |
|         client.delete_config_rule(ConfigRuleName=rule_name)
 | |
|     err = exc.value.response["Error"]
 | |
|     assert err["Code"] == "NoSuchConfigRuleException"
 | |
|     assert (
 | |
|         f"The ConfigRule '{rule_name}' provided in the request is invalid"
 | |
|         in err["Message"]
 | |
|     )
 |