#!/usr/bin/env python3
import json
import subprocess

SKIP_ENV_PREFIXES = (
    "PATH=", "NODE_", "PYTHON_", "GPG_", "LANG=", "YARN=", "HOSTNAME=",
    "NGINX_", "NJS_", "ACME_", "DYNPKG_", "PKG_", "CADVISOR_",
)

ids = subprocess.check_output(["docker", "ps", "-aq"], text=True).split()
if not ids or ids == [""]:
    raise SystemExit("no containers")

raw = subprocess.check_output(["docker", "inspect", *ids])
data = json.loads(raw)
out = []
for c in data:
    env = [
        e for e in (c["Config"].get("Env") or [])
        if not any(e.startswith(p) for p in SKIP_ENV_PREFIXES)
    ]
    out.append({
        "name": c["Name"].lstrip("/"),
        "image": c["Config"]["Image"],
        "ports": c["NetworkSettings"]["Ports"],
        "restart": c["HostConfig"]["RestartPolicy"]["Name"],
        "binds": c["HostConfig"].get("Binds") or [],
        "volumes": [
            {"name": m["Name"], "dest": m["Destination"]}
            for m in c["Mounts"]
            if m.get("Type") == "volume"
        ],
        "env": env,
    })

with open("/root/lakehouse/inventory/containers-atc-docker01.json", "w") as f:
    json.dump(out, f, indent=2)
print("wrote", len(out), "containers")