Partially handle shell variable expansion
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@ -17,6 +17,7 @@ from kubernetes import client
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import os
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from pathlib import Path
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import subprocess
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import re
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from typing import Set, Mapping, List
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from stack_orchestrator.opts import opts
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@ -220,9 +221,16 @@ def merge_envs(a: Mapping[str, str], b: Mapping[str, str]) -> Mapping[str, str]:
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return result
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# DANGER: implement me
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def _expand_shell_vars(raw_val: str) -> str:
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return raw_val
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# could be: <string> or ${<env-var-name>} or ${<env-var-name>:-<default-value>}
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# TODO: implement support for variable substitution and default values
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# if raw_val is like ${<something>} print a warning and substitute an empty string
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# otherwise return raw_val
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match = re.search(r"^\$\{(.*)\}$", raw_val)
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if match:
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print(f"WARNING: found unimplemented environment variable substitution: {raw_val}")
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else:
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return raw_val
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# TODO: handle the case where the same env var is defined in multiple places
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