373 lines
15 KiB
Python
373 lines
15 KiB
Python
"""Fi-Wi framework CLI: argv dispatch, --ssh, fiber-map forwarding."""
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import getopt
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import json
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import os
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import sys
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from typing import NamedTuple
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# Opaque argv tokens so getopt.gnu_getopt does not treat calibrate's --ssh as unknown.
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_SSH_BLOCK_FMT = "__FIWI_SSH_BLOCK_{}__"
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from fiwi.concentrator import FiWiConcentrator
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from fiwi.brainstem_loader import load_brainstem
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from fiwi.ssh_dispatch import dispatch_fiber_mapped_ssh_if_needed
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from fiwi.ssh_node import SshNode
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from fiwi import usb_probe as usb
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class _GlobalCli(NamedTuple):
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"""Result of GNU-style option scan (``getopt.gnu_getopt``)."""
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want_help: bool
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remote_host: str | None
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positional: list[str]
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def _shield_ssh_remote_pairs(argv: list[str]) -> tuple[list[str], list[tuple[str, str]]]:
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"""Replace ``--ssh`` / ``--remote`` + value with opaque operands for getopt."""
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pairs: list[tuple[str, str]] = []
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out: list[str] = []
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i = 0
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while i < len(argv):
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if argv[i] in ("--ssh", "--remote"):
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if i + 1 >= len(argv):
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out.append(argv[i])
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i += 1
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continue
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pairs.append((argv[i], argv[i + 1]))
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out.append(_SSH_BLOCK_FMT.format(len(pairs) - 1))
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i += 2
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continue
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out.append(argv[i])
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i += 1
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return out, pairs
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def _unshield_ssh_remote_pairs(args: list[str], pairs: list[tuple[str, str]]) -> list[str]:
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out: list[str] = []
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for a in args:
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if a.startswith("__FIWI_SSH_BLOCK_") and a.endswith("__"):
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try:
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idx = int(a[len("__FIWI_SSH_BLOCK_") : -len("__")])
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except ValueError:
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out.append(a)
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continue
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if 0 <= idx < len(pairs):
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k, v = pairs[idx]
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out.extend([k, v])
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else:
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out.append(a)
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else:
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out.append(a)
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return out
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def _parse_global_cli(argv: list[str]) -> _GlobalCli | None:
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"""
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Parse global options with ``getopt.gnu_getopt`` (GNU interleaving). ``--ssh`` /
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``--remote`` plus host are shielded first so ``panel calibrate … --ssh`` is
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not rejected as an unknown long option.
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"""
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shielded, ssh_pairs = _shield_ssh_remote_pairs(argv)
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try:
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opts, args = getopt.gnu_getopt(
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shielded,
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"h",
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("help", "async"),
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)
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except getopt.GetoptError as exc:
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print(f"fiwi: {exc}", file=sys.stderr, flush=True)
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return None
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want_help = False
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for opt, _val in opts:
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if opt == "--async":
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os.environ["FIWI_REMOTE_DEFER"] = "1"
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elif opt in ("-h", "--help"):
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want_help = True
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pos = _unshield_ssh_remote_pairs(args, ssh_pairs)
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remote_host: str | None = None
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if len(pos) >= 1 and pos[0] in ("--ssh", "--remote"):
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if len(pos) < 2 or not pos[1].strip():
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print(
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"fiwi: --ssh / --remote requires user@host\n"
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"Usage: fiwi.py --ssh user@host <command> [args...]",
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file=sys.stderr,
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flush=True,
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)
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return None
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remote_host = pos[1].strip()
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pos = pos[2:]
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return _GlobalCli(
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want_help=want_help,
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remote_host=remote_host,
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positional=pos,
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)
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def _print_cli_help() -> None:
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print(
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"Fi-Wi test framework — CLI\n"
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"Usage: fiwi.py [--async] <command> [target]\n"
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" --async set FIWI_REMOTE_DEFER: deferred calls spawn ssh child processes immediately;\n"
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" panel calibrate overlaps them (join via handle.result(); no Python threads).\n"
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" Or set FIWI_REMOTE_DEFER=1 / remote_ssh.env / config/*.ini (FIWI_CONFIG=profile).\n"
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" discover — USB power-control hubs (serial, port count); no port I/O\n"
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" show_hostcards — same as discover, concentrator 'hostcards' label\n"
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" show_radioheads — all fiber_ports rows + power (same table as fiber status)\n"
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" status [target] — default command; target like all, 1.3, all.2\n"
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" fiber status — fiber_ports + power (local or per-entry ssh / host+user)\n"
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" fiber chip <id> [save] — local lsusb probe (SSH-mapped ports: wlan/pcie from calibrate, not fiber chip)\n"
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" wlan-info-json — machine-readable wireless NIC snapshot (sysfs + lspci/iw); used by panel calibrate over SSH\n"
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" power fiber-port <id> on|off — power by fiber key (ssh forward if map says so)\n"
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" panel status — rack positions 1…N (N = patch_panel.slots, default 24)\n"
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" panel calibrate … — set patch panel size first, then USB hub walk → fiber_map.json\n"
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" panel on|off|reboot|reboot-force <n>\n"
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" on|off [target] reboot|reboot-force [target] setup verify\n"
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"\n"
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"Remote (hubs on another host — no local brainstem needed):\n"
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" fiwi.py --ssh user@host discover\n"
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" remote_ssh.env next to fiwi.py (see remote_ssh.env.example) or env vars:\n"
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" FIWI_REMOTE_PYTHON remote interpreter (default python3)\n"
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" FIWI_REMOTE_SCRIPT remote script path (default /usr/local/bin/fiwi.py)\n"
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" FIWI_SSH_OPTS e.g. '-o BatchMode=yes'\n"
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" FIWI_CALIBRATE_REMOTES / FIWI_REMOTE_HUBS optional comma-separated user@host for panel calibrate\n"
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" (or [remote_hubs] hosts in config/*.ini)\n"
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" Pi: venv + requirements.txt; udev 24ff.\n"
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"\n"
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"fiber_map.json fiber_ports entries may set ssh routing (hubs on another machine):\n"
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' "ssh": "user@host" or "remote": "…" or "host": "ip", "user": "pi"\n'
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" On the SSH destination, the same fiber id should be local (omit ssh) so commands are not re-forwarded.\n"
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' Optional "pcie": { bus, switch, slot, adapter_port, sfp_serial, board_serial, … } — calibrate can fill via 1–6+SFP.\n'
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"\n"
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"Hybrid calibrate: put {\"calibrate_remotes\": [\"pi@ip\"]} in fiber_map.json or pass --ssh per host;\n"
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" order is all local downstream ports, then each remote’s ports (see calibrate-ports-json on the Pi)."
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)
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def _parse_panel_calibrate_argv(args):
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"""
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``panel calibrate [merge] [N] [--ssh user@host] …``
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Returns ``(merge, limit, calibrate_ssh_hosts)``.
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"""
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merge = False
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limit = None
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hosts = []
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i = 0
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while i < len(args):
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a = args[i]
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low = a.lower()
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if low == "merge":
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merge = True
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i += 1
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continue
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if low == "--ssh":
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if i + 1 >= len(args):
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print("panel calibrate: --ssh requires user@host", file=sys.stderr, flush=True)
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sys.exit(2)
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hosts.append(args[i + 1].strip())
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i += 2
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continue
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if a.isdigit():
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limit = int(a)
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i += 1
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continue
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print(f"panel calibrate: unknown argument {a!r}", file=sys.stderr, flush=True)
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sys.exit(2)
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return merge, limit, hosts
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def main() -> int:
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ga = _parse_global_cli(sys.argv[1:])
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if ga is None:
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return 2
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if ga.want_help:
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_print_cli_help()
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return 0
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pos = ga.positional
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if ga.remote_host is not None:
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if not pos:
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print(
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"Usage: fiwi.py --ssh user@host <command> [args...]\n"
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" Example: fiwi.py --ssh rjmcmahon@192.168.1.39 discover\n"
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" If brainstem is in a Pi venv: copy remote_ssh.env.example → remote_ssh.env next to\n"
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" this script on the PC where you run --ssh (paths in the file are on the Pi).\n"
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" Or export FIWI_REMOTE_PYTHON / FIWI_REMOTE_SCRIPT.\n"
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" On the Pi: pip install -r requirements.txt in that venv; udev 24ff.",
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file=sys.stderr,
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flush=True,
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)
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return 2
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return SshNode.parse(ga.remote_host).invoke(pos, defer=False)
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rc_ssh_map = dispatch_fiber_mapped_ssh_if_needed(pos)
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if rc_ssh_map is not None:
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return rc_ssh_map
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os.write(2, b"fiwi: start\n")
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try:
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load_brainstem()
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except Exception as exc:
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print(f"fiwi: failed to import brainstem: {exc}", file=sys.stderr, flush=True)
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if isinstance(exc, ImportError):
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print(
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" If this text came from `fiwi.py --ssh …`: the remote used system python3 by default.\n"
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" On your PC export FIWI_REMOTE_PYTHON to the Pi venv’s python and\n"
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" FIWI_REMOTE_SCRIPT to that fiwi.py (absolute paths on the Pi).",
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file=sys.stderr,
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flush=True,
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)
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return 1
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concentrator = FiWiConcentrator()
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try:
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cmd = pos[0].lower() if pos else "status"
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target = pos[1] if len(pos) > 1 else "all"
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if cmd == "status":
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concentrator.status(target)
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elif cmd == "calibrate-ports-json":
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if not concentrator.hubs and not concentrator.connect():
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print("[]", flush=True)
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else:
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pairs = concentrator._ordered_downstream_ports()
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print(json.dumps([[h, p] for h, p in pairs]), flush=True)
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elif cmd == "lsusb-lines-json":
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print(json.dumps(usb.lsusb_lines()), flush=True)
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elif cmd == "wlan-info-json":
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from fiwi.ieee80211_dev import discover_wireless_for_map
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print(json.dumps(discover_wireless_for_map()), flush=True)
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elif cmd == "discover":
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concentrator.discover()
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elif cmd == "show_hostcards":
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concentrator.show_hostcards()
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elif cmd == "show_radioheads":
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concentrator.show_radioheads()
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elif cmd == "power":
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if len(pos) < 4 or pos[1].lower() != "fiber-port":
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print(
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"Usage: fiwi.py power fiber-port <fiber_port_id> on|off\n"
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" Uses fiber_map.json; per-entry ssh / host+user forwards to that host (see help).",
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file=sys.stderr,
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flush=True,
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)
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return 2
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try:
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fp_n = int(pos[2])
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except ValueError:
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print("fiber_port_id must be an integer.", file=sys.stderr, flush=True)
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return 2
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mode = pos[3].lower()
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if mode not in ("on", "off"):
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print("Last argument must be on or off.", file=sys.stderr, flush=True)
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return 2
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concentrator.fiber_power(mode, fp_n)
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elif cmd == "fiber":
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if len(pos) < 2:
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print(
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"Usage: fiwi.py fiber status\n"
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" fiwi.py fiber chip <fiber_port_id> [save]\n"
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" status — hub.port, Route, power, and saved previews from fiber_map.json\n"
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" chip — local lsusb diff only (not used for SSH-mapped / PCIe-fiber paths)",
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file=sys.stderr,
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flush=True,
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)
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return 2
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sub = pos[1].lower()
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if sub == "status":
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concentrator.fiber_map_status()
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elif sub == "chip":
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if len(pos) < 3:
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print(
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"Usage: fiwi.py fiber chip <fiber_port_id> [save]",
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file=sys.stderr,
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flush=True,
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)
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return 2
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try:
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chip_fp = int(pos[2])
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except ValueError:
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print("fiber_port_id must be an integer.", file=sys.stderr, flush=True)
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return 2
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save_chip = len(pos) >= 4 and pos[3].lower() == "save"
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concentrator.fiber_chip(chip_fp, save=save_chip)
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else:
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print(f"Unknown fiber subcommand: {sub!r}", file=sys.stderr, flush=True)
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return 2
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elif cmd == "panel":
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if len(pos) < 2:
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print(
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"Usage: fiwi.py panel status\n"
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" fiwi.py panel on|off <panel_port>\n"
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" fiwi.py panel reboot|reboot-force <panel_port>\n"
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" fiwi.py panel calibrate [merge] [<N>] [--ssh user@host] …\n"
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" calibrate: local hub ports first, then each --ssh host, calibrate_remotes in JSON, and/or\n"
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" FIWI_CALIBRATE_REMOTES in remote_ssh.env (comma-separated) for one-command hybrid.\n"
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" merge / N as before; remote steps set \"ssh\" on new fiber_ports entries.\n"
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" Calibrate starts by setting patch_panel.slots (front-panel positions); panel <n> is 1…slots.\n"
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" Use power fiber-port for arbitrary fiber ids beyond the panel if needed.\n"
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" Preset: fiber_map.rpi20.json → fiber_map.json for 8+8+4 → fiber ports 1–20.",
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file=sys.stderr,
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flush=True,
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)
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return 2
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sub = pos[1].lower()
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if sub == "status":
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concentrator.panel_status()
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elif sub == "calibrate":
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cal_args = pos[2:]
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merge, limit, cal_hosts = _parse_panel_calibrate_argv(cal_args)
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concentrator.panel_calibrate(merge=merge, limit=limit, calibrate_ssh_hosts=cal_hosts)
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elif sub in ("on", "off"):
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if len(pos) < 3:
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print(
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f"Usage: fiwi.py panel {sub} <1-N> (N = patch_panel.slots in fiber_map, default 24)",
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file=sys.stderr,
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flush=True,
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)
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return 2
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concentrator.panel_power(sub, int(pos[2]))
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elif sub == "reboot":
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if len(pos) < 3:
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print(
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"Usage: fiwi.py panel reboot <1-N> (N from fiber_map patch_panel.slots)",
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file=sys.stderr,
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flush=True,
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)
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return 2
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concentrator.panel_reboot(int(pos[2]), skip_empty=True)
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elif sub == "reboot-force":
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if len(pos) < 3:
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print(
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"Usage: fiwi.py panel reboot-force <1-N> (N from fiber_map patch_panel.slots)",
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file=sys.stderr,
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flush=True,
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)
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return 2
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concentrator.panel_reboot(int(pos[2]), skip_empty=False)
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else:
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print(f"Unknown panel subcommand: {sub!r}", file=sys.stderr, flush=True)
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return 2
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elif cmd in ("on", "off"):
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if not concentrator.power(cmd, target):
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return 1
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elif cmd in ("reboot", "reboot-force"):
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concentrator.reboot(target, skip_empty=(cmd == "reboot"))
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elif cmd == "setup":
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concentrator.setup_udev()
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elif cmd == "verify":
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concentrator.verify()
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elif cmd == "help" or cmd == "--help":
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_print_cli_help()
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else:
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print(f"Unknown command: {cmd!r}", file=sys.stderr, flush=True)
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print(
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"Try: --ssh user@host … | discover | show_hostcards | show_radioheads | calibrate-ports-json | … | help",
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file=sys.stderr,
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flush=True,
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)
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return 2
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finally:
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concentrator.disconnect()
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return 0
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