Files
HetznerTerra/ansible/generate_inventory.py
MichaelFisher1997 b5b8f89dc2
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fix: derive k3s node IPs from terraform private addresses
2026-03-01 03:08:56 +00:00

70 lines
1.7 KiB
Python

#!/usr/bin/env python3
import json
import subprocess
import sys
from pathlib import Path
from jinja2 import Environment, FileSystemLoader
def get_terraform_outputs():
result = subprocess.run(
["terraform", "output", "-json"],
cwd="../terraform",
capture_output=True,
text=True,
)
if result.returncode != 0:
print(f"Error running terraform output: {result.stderr}")
sys.exit(1)
return json.loads(result.stdout)
def main():
outputs = get_terraform_outputs()
control_plane_ips = outputs["control_plane_ips"]["value"]
control_plane_private_ips = outputs["control_plane_private_ips"]["value"]
worker_ips = outputs["worker_ips"]["value"]
worker_private_ips = outputs["worker_private_ips"]["value"]
control_planes = [
{
"name": f"cp-{i + 1}",
"public_ip": public_ip,
"private_ip": private_ip,
}
for i, (public_ip, private_ip) in enumerate(
zip(control_plane_ips, control_plane_private_ips)
)
]
workers = [
{
"name": f"worker-{i + 1}",
"public_ip": public_ip,
"private_ip": private_ip,
}
for i, (public_ip, private_ip) in enumerate(zip(worker_ips, worker_private_ips))
]
data = {
"control_planes": control_planes,
"workers": workers,
"private_key_file": outputs["ssh_private_key_path"]["value"],
}
env = Environment(loader=FileSystemLoader("."))
template = env.get_template("inventory.tmpl")
inventory = template.render(**data)
Path("inventory.ini").write_text(inventory)
print("Generated inventory.ini")
if __name__ == "__main__":
main()