38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
from collections import namedtuple
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from functools import partial
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from typing import Any, Callable
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ARN = namedtuple("ARN", ["region", "account", "function_name", "version"])
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LAYER_ARN = namedtuple("LAYER_ARN", ["region", "account", "layer_name", "version"])
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def make_arn(resource_type: str, region: str, account: str, name: str) -> str:
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return f"arn:aws:lambda:{region}:{account}:{resource_type}:{name}"
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make_function_arn = partial(make_arn, "function")
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make_layer_arn = partial(make_arn, "layer")
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def make_ver_arn(
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resource_type: str, region: str, account: str, name: str, version: str = "1"
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) -> str:
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arn = make_arn(resource_type, region, account, name)
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return f"{arn}:{version}"
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make_function_ver_arn = partial(make_ver_arn, "function")
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make_layer_ver_arn = partial(make_ver_arn, "layer")
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def split_arn(arn_type: Callable[[str, str, str, str], str], arn: str) -> Any:
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arn = arn.replace("arn:aws:lambda:", "")
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region, account, _, name, version = arn.split(":")
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return arn_type(region, account, name, version)
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split_function_arn = partial(split_arn, ARN)
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split_layer_arn = partial(split_arn, LAYER_ARN)
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