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74 lines
3.1 KiB
Python
74 lines
3.1 KiB
Python
"""
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All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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its licensors.
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For complete copyright and license terms please see the LICENSE at the root of this
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distribution (the "License"). All use of this software is governed by the License,
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or, if provided, by the license below or the license accompanying this file. Do not
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remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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"""
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from aws_cdk import (
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core,
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aws_iam as iam
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)
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from .aws_metrics_stack import AWSMetricsStack
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from aws_metrics.policy_statements_builder.user_policy_statements_builder import UserPolicyStatementsBuilder
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from aws_metrics.policy_statements_builder.admin_policy_statements_builder import AdminPolicyStatementsBuilder
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class AuthPolicy:
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"""
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Creator of auth policies related to the Feature stack
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"""
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def __init__(self, stack: AWSMetricsStack, application_name: str):
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self._stack = stack
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self._application_name = application_name
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def generate_policy(self, role_name: str) -> None:
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"""
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Generate required role policy for calling service / using resources.
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See https://docs.aws.amazon.com/apigateway/latest/developerguide/api-gateway-control-access-using-iam-policies-to-create-and-manage-api.html
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:param role_name: Role to create the managed user policy for
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:return: The created IAM managed policy.
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"""
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if role_name == 'User':
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policy_statements_builder = UserPolicyStatementsBuilder()
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elif role_name == 'Admin':
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policy_statements_builder = AdminPolicyStatementsBuilder()
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else:
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raise Exception('Role name needs to be either User or Admin')
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policy_id = f'{role_name}Policy'
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policy_statements_builder = policy_statements_builder\
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.add_aws_metrics_stack_policy_statements(self._stack)\
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.add_data_ingestion_policy_statements(self._stack.data_ingestion_component)\
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.add_real_time_data_processing_policy_statements(self._stack.real_time_data_processing_component)\
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.add_dashboard_policy_statements(self._stack.dashboard_component)
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# Add policy statements for the optional batch processing feature
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policy_statements_builder = policy_statements_builder\
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.add_data_lake_integration_policy_statements(self._stack.data_lake_integration_component) \
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.add_batch_processing_policy_statements(self._stack.batch_processing_component)\
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.add_batch_analytics_policy_statements(self._stack.batch_analytics_component)
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policy_statements = policy_statements_builder.build()
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policy = iam.ManagedPolicy(
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self._stack,
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policy_id,
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managed_policy_name=f'{self._stack.stack_name}-{role_name}Policy',
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statements=policy_statements)
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policy_output = core.CfnOutput(
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self._stack,
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id=f'{policy_id}Output',
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description=f'{role_name} policy arn to call service',
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export_name=f"{self._application_name}:{policy_id}",
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value=policy.managed_policy_arn)
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