import os, re, json
root = "/mnt/pbs-datastore"
rows = []
def walk_ns(base, ns):
    for typ in ("ct", "vm", "host"):
        tdir = os.path.join(base, typ)
        if not os.path.isdir(tdir): continue
        for gid in sorted(os.listdir(tdir)):
            gdir = os.path.join(tdir, gid)
            for snap in sorted(os.listdir(gdir)):
                sdir = os.path.join(gdir, snap)
                if not os.path.isdir(sdir) or not re.match(r"\d{4}-\d{2}-\d{2}T", snap): continue
                files = os.listdir(sdir)
                size = sum(os.path.getsize(os.path.join(sdir, f)) for f in files)
                man = "index.json.blob" in files
                manifest_files = []
                rows.append({"ns": ns or "(root)", "group": f"{typ}/{gid}", "snap": snap, "files": sorted(files), "dir_bytes": size, "manifest": man})
    nsdir = os.path.join(base, "ns")
    if os.path.isdir(nsdir):
        for n in sorted(os.listdir(nsdir)):
            walk_ns(os.path.join(nsdir, n), (ns + "/" if ns else "") + n)
walk_ns(root, "")
print(json.dumps(rows))