Ian Fijolek
726b634092
Also a template service Nomad job that can be used for some straighforward services
61 lines
1.2 KiB
Python
Executable File
61 lines
1.2 KiB
Python
Executable File
#! /usr/bin/env python3
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import json
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import sys
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from subprocess import check_output
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from typing import Optional
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from typing import overload
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from typing import TypeVar
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T = TypeVar("T")
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@overload
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def get_json(d: dict[str, str], key: str, default: None = None) -> None:
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...
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@overload
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def get_json(d: dict[str, str], key: str, default: T = None) -> T:
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...
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def get_json(d: dict[str, str], key: str, default: Optional[T] = None) -> Optional[T]:
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if key not in d:
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return default
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return json.loads(d[key])
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query = json.load(sys.stdin)
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# Required
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template_path = query["template_path"]
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# Optional
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consul_address = query.get("consul_address")
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# Need to parse JSON back
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variables = [
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f'--var={key}={value}' for key, value in get_json(query, "variables", {}).items()
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]
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variable_files = [
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f'--var-file={value}' for value in get_json(query, "var_files", [])
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]
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args: list[str] = list(
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filter(
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None,
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["levant", "render", consul_address]
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+ variables
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+ variable_files
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+ [template_path],
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)
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)
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# print(" ".join(args), file=sys.stderr)
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# exit(1)
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template = check_output(args, stderr=sys.stderr)
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print(json.dumps({"template": template.decode()}))
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