nanobot/nanobot/cli/webui.py

262 lines
10 KiB
Python

"""WebUI CLI command."""
from pathlib import Path
import typer
from pydantic import ValidationError
from rich.console import Console
from nanobot.cli import terminal as cli_terminal
from nanobot.cli.gateway_runtime import _run_gateway
from nanobot.cli.runtime_config import (
_load_runtime_config,
_print_config_error,
_print_runtime_config_validation_error,
_provider_setup_error,
)
from nanobot.cli.webui_support import (
_attach_to_background_gateway,
_confirm_webui_action,
_ensure_local_webui_channel,
_gateway_health_bind_note,
_gateway_health_ready,
_gateway_health_url,
_gateway_instance_command,
_host_for_local_browser,
_load_webui_setup_config,
_open_webui_browser,
_prepare_webui_bundle_for_gateway,
_print_foreground_port_conflict,
_print_webui_foreground_lifecycle,
_resolve_webui_config_path,
_run_quick_start_for_webui,
_tcp_endpoint_reachable,
_warn_webui_bind_scope,
_webui_browser_url,
_webui_build_mode_for_interactive,
_webui_display_url,
_webui_endpoint_reachable,
)
from nanobot.config.paths import get_workspace_path
from nanobot.utils.helpers import sync_workspace_templates
console = Console()
def webui(
port: int | None = typer.Option(None, "--port", "-p", help="WebUI port"),
gateway_port: int | None = typer.Option(
None,
"--gateway-port",
help="Gateway health port",
),
workspace: str | None = typer.Option(None, "--workspace", "-w", help="Workspace directory"),
config: str | None = typer.Option(None, "--config", "-c", help="Path to config file"),
background: bool = typer.Option(
False,
"--background",
help="Keep the gateway running after this command exits",
),
no_open: bool = typer.Option(False, "--no-open", help="Do not open a browser"),
yes: bool = typer.Option(
False,
"--yes",
"-y",
help="Apply safe local WebUI defaults without prompting",
),
) -> None:
"""Prepare the local WebUI, start the gateway, and open the browser workbench."""
from nanobot.config.loader import resolve_config_env_vars, save_config
from nanobot.gateway import GatewayRuntime, GatewayRuntimePaths, GatewayStartOptions
cli_terminal._ensure_interactive_tty_mode()
config_path = _resolve_webui_config_path(config)
created_config = not config_path.exists()
if created_config:
console.print(f"[yellow]No config found at {config_path}.[/yellow]")
_confirm_webui_action("Create a nanobot config and workspace now?", yes=yes)
setup_config = _load_webui_setup_config(config_path)
if workspace:
setup_config.agents.defaults.workspace = workspace
try:
resolved_setup_config = resolve_config_env_vars(
setup_config.model_copy(deep=True),
config_path=config_path,
)
except ValueError as exc:
_print_config_error(exc)
raise typer.Exit(1) from exc
provider_error = _provider_setup_error(resolved_setup_config)
settings_setup_error = provider_error if provider_error and created_config else None
if settings_setup_error:
console.print(f"[yellow]Model setup is incomplete: {provider_error}[/yellow]")
console.print("Configure a provider and model in WebUI Settings → Models.")
if background:
console.print(
"[red]First-time WebUI setup must run in the foreground. "
"Run `nanobot webui` without --background.[/red]"
)
raise typer.Exit(1)
elif provider_error:
console.print(f"[dim]Provider check: {provider_error}[/dim]")
setup_config = _run_quick_start_for_webui(
setup_config,
yes=yes,
config_path=config_path,
)
if workspace:
setup_config.agents.defaults.workspace = workspace
try:
changed_webui, generated_bootstrap_secret = _ensure_local_webui_channel(
setup_config,
port=port,
yes=yes,
)
_warn_webui_bind_scope(setup_config)
webui_url = _webui_browser_url(setup_config)
except ValidationError as exc:
retry_command = f'nanobot webui --config "{config_path}"'
_print_runtime_config_validation_error(
exc,
config_path=config_path,
summary="WebUI configuration is invalid.",
path_prefix=("channels", "websocket"),
retry_command=retry_command,
)
raise typer.Exit(1) from exc
except ValueError as exc:
console.print(f"[red]Error: invalid WebUI channel config: {exc}[/red]")
raise typer.Exit(1) from exc
if created_config or provider_error or changed_webui or workspace:
save_config(setup_config, config_path)
console.print(f"[green]✓[/green] Saved config: {config_path}")
workspace_path = get_workspace_path(setup_config.workspace_path)
workspace_path.mkdir(parents=True, exist_ok=True)
sync_workspace_templates(workspace_path)
runtime_config = _load_runtime_config(str(config_path), workspace)
effective_gateway_port = gateway_port if gateway_port is not None else runtime_config.gateway.port
console.print()
console.print(f"WebUI: [cyan]{_webui_display_url(webui_url)}[/cyan]")
gateway_health_url = _gateway_health_url(
runtime_config.gateway.host,
effective_gateway_port,
)
console.print(
f"Gateway health: [cyan]{gateway_health_url}[/cyan]"
f"{_gateway_health_bind_note(runtime_config.gateway.host)}"
)
if no_open:
console.print("[dim]Browser opening disabled by --no-open.[/dim]")
if generated_bootstrap_secret:
console.print(
"[yellow]A WebUI bootstrap secret was generated and saved in this config.[/yellow]"
)
console.print(
"[dim]Open the WebUI and enter channels.websocket.tokenIssueSecret from "
f"{config_path}, or rerun without --no-open to open the authenticated URL.[/dim]"
)
webui_bundle_mode = _webui_build_mode_for_interactive(yes=yes)
config_arg = str(config_path)
workspace_arg = str(Path(workspace).expanduser().resolve(strict=False)) if workspace else None
runtime = GatewayRuntime(
paths=GatewayRuntimePaths.for_instance(
data_dir=config_path.parent,
workspace=workspace_arg,
config_path=config_arg,
)
)
start_options = GatewayStartOptions(
port=effective_gateway_port,
workspace=workspace_arg,
config_path=config_arg,
)
if background:
_prepare_webui_bundle_for_gateway(runtime_config, mode=webui_bundle_mode)
result = runtime.start_background(start_options)
restarted = False
restart_attempted = False
if not result.ok and result.message == "gateway_already_running" and changed_webui:
restart_attempted = True
console.print("[yellow]WebUI config changed; restarting the background gateway.[/yellow]")
result = runtime.restart(start_options, timeout_s=20)
restarted = result.ok
if not result.ok and (restart_attempted or result.message != "gateway_already_running"):
action = "restarted" if restart_attempted else "started"
console.print(f"[yellow]Gateway was not {action}: {result.message}[/yellow]")
console.print(f"Logs: {result.status.log_path}")
raise typer.Exit(1)
if restarted:
console.print("[green]Gateway restarted in the background.[/green]")
elif result.ok:
console.print("[green]Gateway started in the background.[/green]")
else:
console.print("[yellow]Gateway is already running in the background.[/yellow]")
console.print(
"Manage this instance: "
f"[cyan]{_gateway_instance_command('status', config_path=config_path, workspace=workspace)}[/cyan]"
)
console.print(
"View logs: "
f"[cyan]{_gateway_instance_command('logs', config_path=config_path, workspace=workspace)}[/cyan]"
)
console.print("[dim]Closing the browser does not stop channels or automations.[/dim]")
console.print(
"Stop nanobot: "
f"[cyan]{_gateway_instance_command('stop', config_path=config_path, workspace=workspace)}[/cyan]"
)
if not no_open:
_open_webui_browser(webui_url)
return
gateway_ready = _gateway_health_ready(runtime_config.gateway.host, effective_gateway_port)
webui_ready = _webui_endpoint_reachable(webui_url)
if gateway_ready and webui_ready:
console.print("[yellow]Gateway is already running; attaching to the existing WebUI.[/yellow]")
console.print(
"Restart the gateway if you need it to pick up local source changes: "
f"[cyan]{_gateway_instance_command('restart', config_path=config_path, workspace=workspace)}[/cyan]"
)
if not no_open:
_open_webui_browser(webui_url, wait=False)
if runtime.status().running:
_attach_to_background_gateway(runtime)
else:
console.print(
"[yellow]This gateway is controlled by another foreground command. "
"Stop it from that terminal.[/yellow]"
)
return
gateway_port_taken = gateway_ready or _tcp_endpoint_reachable(
_host_for_local_browser(runtime_config.gateway.host),
effective_gateway_port,
)
webui_port_taken = webui_ready
if gateway_port_taken or webui_port_taken:
_print_foreground_port_conflict(
webui_url=webui_url,
gateway_host=runtime_config.gateway.host,
gateway_port=effective_gateway_port,
)
raise typer.Exit(1)
_print_webui_foreground_lifecycle(attached=False)
_run_gateway(
runtime_config,
port=effective_gateway_port,
open_browser_url=None if no_open else webui_url,
webui_bundle_mode=webui_bundle_mode,
unconfigured_provider_error=settings_setup_error,
)