#!/usr/bin/env python3
"""Proxmox CT/VM config scanner — run remotely on any PVE node via SSH.

Produces JSON:
{
  "cts": [{"id": "...", "hostname": "...", "ip": "...", "tags": "...", "memory_mb": N, "cores": N}],
  "vms": [{"id": "...", "name": "...", "memory_mb": N, "cores": N, "vlan_tag": "..."}]
}
"""
import json, os, re

def main():
    result = {"cts": [], "vms": []}
    ct_dir = "/etc/pve/lxc"
    if os.path.isdir(ct_dir):
        for f in sorted(os.listdir(ct_dir)):
            if not f.endswith(".conf"): continue
            ct_id = f.replace(".conf", "")
            try:
                with open(os.path.join(ct_dir, f)) as fh:
                    cfg = fh.read()
            except OSError: continue
            h = re.search(r"^hostname:\s*(\S+)", cfg, re.MULTILINE)
            ipv4 = re.search(r"ip=(\d[\d.]+)", cfg)
            tags_m = re.search(r"^tags:\s*(.+)", cfg, re.MULTILINE)
            mem = re.search(r"^memory:\s*(\d+)", cfg, re.MULTILINE)
            cores = re.search(r"^cores:\s*(\d+)", cfg, re.MULTILINE)
            ostype = re.search(r"^ostype:\s*(\S+)", cfg, re.MULTILINE)
            result["cts"].append({
                "id": ct_id, "hostname": h.group(1) if h else "unknown",
                "ip": ipv4.group(1) if ipv4 else "dhcp",
                "tags": tags_m.group(1) if tags_m else "",
                "memory_mb": int(mem.group(1)) if mem else 0,
                "cores": int(cores.group(1)) if cores else 0,
                "ostype": ostype.group(1) if ostype else "",
            })
    vm_dir = "/etc/pve/qemu-server"
    if os.path.isdir(vm_dir):
        for f in sorted(os.listdir(vm_dir)):
            if not f.endswith(".conf"): continue
            vm_id = f.replace(".conf", "")
            try:
                with open(os.path.join(vm_dir, f)) as fh:
                    cfg = fh.read()
            except OSError: continue
            n = re.search(r"^name:\s*(\S+)", cfg, re.MULTILINE)
            mem = re.search(r"^memory:\s*(\d+)", cfg, re.MULTILINE)
            cores = re.search(r"^cores:\s*(\d+)", cfg, re.MULTILINE)
            sockets = re.search(r"^sockets:\s*(\d+)", cfg, re.MULTILINE)
            tag = re.search(r"tag=(\d+)", cfg)
            mac = re.search(r"virtio=([A-Fa-f0-9:]+)", cfg)
            result["vms"].append({
                "id": vm_id, "name": n.group(1) if n else "unknown",
                "memory_mb": int(mem.group(1)) if mem else 0,
                "cores": int(cores.group(1)) if cores else 0,
                "sockets": int(sockets.group(1)) if sockets else 1,
                "vlan_tag": tag.group(1) if tag else "",
                "mac": mac.group(1).upper() if mac else "",
            })
    print(json.dumps(result))

if __name__ == "__main__":
    main()
