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TerraHome/nixos/kubeadm/scripts/render-inventory-from-tf-output.py
MichaelFisher1997 5669305e59
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feat: make kubeadm workflows auto-scale with terraform outputs
2026-02-28 16:43:22 +00:00

41 lines
1.0 KiB
Python
Executable File

#!/usr/bin/env python3
import json
import os
import re
import sys
def natural_key(name: str):
m = re.match(r"^([a-zA-Z-]+)-(\d+)$", name)
if m:
return (m.group(1), int(m.group(2)))
return (name, 0)
def map_to_pairs(items: dict[str, str]) -> str:
ordered = sorted(items.items(), key=lambda kv: natural_key(kv[0]))
return " ".join(f"{k}={v}" for k, v in ordered)
def main() -> int:
payload = json.load(sys.stdin)
cp_map = payload.get("control_plane_vm_ipv4", {}).get("value", {})
wk_map = payload.get("worker_vm_ipv4", {}).get("value", {})
if not cp_map or not wk_map:
raise SystemExit("Missing control_plane_vm_ipv4 or worker_vm_ipv4 in terraform output")
ssh_user = os.environ.get("KUBEADM_SSH_USER", "").strip() or "micqdf"
print(f"SSH_USER={ssh_user}")
print("PRIMARY_CONTROL_PLANE=cp-1")
print(f"CONTROL_PLANES=\"{map_to_pairs(cp_map)}\"")
print(f"WORKERS=\"{map_to_pairs(wk_map)}\"")
return 0
if __name__ == "__main__":
raise SystemExit(main())