Files
aiops/frontend/src/components/kubernetes/PodExecTerminal.tsx
T

355 lines
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TypeScript

import { useState, useRef, useEffect, useCallback } from 'react';
import {
Dialog,
DialogContent,
DialogTitle,
DialogDescription,
} from '@/components/ui/dialog';
import { Button } from '@/components/ui/button';
import {
Select,
SelectContent,
SelectItem,
SelectTrigger,
SelectValue,
} from '@/components/ui/select';
import { Terminal as XTerm } from 'xterm';
import { FitAddon } from 'xterm-addon-fit';
import 'xterm/css/xterm.css';
import {
Terminal, Maximize2, Minimize2, X, Loader2, RotateCw, Box,
} from 'lucide-react';
import { cn } from '@/lib/utils';
import { kubernetesApi } from '@/services/api';
import { useToast } from '@/hooks/use-toast';
export interface PodExecTerminalProps {
open: boolean;
onOpenChange: (open: boolean) => void;
clusterId: number | string;
namespace: string;
podName: string;
containers?: string[];
initialContainer?: string;
}
type ConnState = 'idle' | 'connecting' | 'connected' | 'error' | 'closed';
const SHELLS = [
{ value: 'sh', label: '/bin/sh' },
{ value: 'bash', label: '/bin/bash' },
];
export function PodExecTerminal({
open,
onOpenChange,
clusterId,
namespace,
podName,
containers = [],
initialContainer,
}: PodExecTerminalProps) {
const { toast } = useToast();
const containerRef = useRef<HTMLDivElement>(null);
const termRef = useRef<XTerm | null>(null);
const wsRef = useRef<WebSocket | null>(null);
const fitRef = useRef<FitAddon | null>(null);
const mountedRef = useRef(false);
const errorShownRef = useRef(false);
const [connState, setConnState] = useState<ConnState>('idle');
const [fullscreen, setFullscreen] = useState(false);
const [container, setContainer] = useState<string>(initialContainer || containers[0] || '');
const [shell, setShell] = useState<string>('sh');
// ─── 重置 ───
useEffect(() => {
if (!open) {
setFullscreen(false);
mountedRef.current = false;
}
}, [open]);
useEffect(() => {
if (open && !container && containers.length > 0) {
setContainer(initialContainer || containers[0]);
}
}, [open, containers, initialContainer, container]);
// ─── 连接 WebSocket ───
const connect = useCallback(() => {
console.log('[PodExec:connect] START clusterId=', clusterId, 'namespace=', namespace, 'podName=', podName, 'container=', container, 'shell=', shell);
if (!termRef.current) {
console.error('[PodExec:connect] ABORT: termRef.current is null');
return;
}
const term = termRef.current;
if (wsRef.current) {
console.log('[PodExec:connect] closing previous WS');
try { wsRef.current.close(); } catch { /* noop */ }
wsRef.current = null;
}
setConnState('connecting');
term.clear();
term.writeln(`\x1b[36m[正在连接 ${podName}${container ? '/' + container : ''} shell=${shell} ...]\x1b[0m`);
const wsUrl = kubernetesApi.buildPodExecWsUrl(clusterId, namespace, podName, container || undefined, shell);
console.log('[PodExec:connect] WS URL:', wsUrl, '\n location.protocol=', window.location.protocol, '\n location.host=', window.location.host, '\n VITE_API_BASE_URL=', import.meta.env.VITE_API_BASE_URL);
const ws = new WebSocket(wsUrl);
wsRef.current = ws;
ws.onopen = () => {
console.log('[PodExec:connect] WS onopen — connected, readyState=', ws.readyState);
setConnState('connected');
term.reset();
try {
const { cols, rows } = term;
console.log('[PodExec:connect] sending resize:', cols, 'x', rows);
ws.send(JSON.stringify({ status: 1, cols, rows }));
} catch (e) { console.error('[PodExec:connect] resize error:', e); }
const tryFocus = () => { try { term.focus(); } catch { /* noop */ } };
tryFocus(); setTimeout(tryFocus, 100); setTimeout(tryFocus, 300);
};
ws.onmessage = (event) => {
try {
const msg = JSON.parse(event.data);
if (msg.status === 0 && typeof msg.data === 'string') {
term.write(msg.data);
} else if (msg.status === 2 || msg.error) {
const errMsg = msg.data || msg.message || msg.error || '执行错误';
if (errMsg.includes('not found') && shell === 'bash') {
term.writeln('\r\n\x1b[33m⚠ bash 不可用,请切换 /bin/sh 后重连。\x1b[0m');
errorShownRef.current = true;
return;
}
term.write(errMsg.includes('\x1b') ? errMsg : `\r\n\x1b[31m${errMsg}\x1b[0m\r\n`);
}
} catch {
if (typeof event.data === 'string') term.write(event.data);
}
};
ws.onclose = (ev) => {
setConnState((s) => (s === 'error' ? s : 'closed'));
if (!errorShownRef.current) {
term.write('\r\n\x1b[33m[连接已关闭]\x1b[0m\r\n');
}
};
ws.onerror = (ev) => {
console.error('[PodExec:connect] WS error event fired, readyState=', ws.readyState, 'type=', ev.type);
setConnState('error');
term.write('\r\n\x1b[31m[连接发生错误]\x1b[0m\r\n');
};
}, [clusterId, namespace, podName, container, shell]);
// DEBUG: 组件入口
console.log('[PodExec:render] open=', open, 'clusterId=', clusterId, 'podName=', podName, 'namespace=', namespace, 'containers=', containers.length, 'container=', container, 'shell=', shell, 'connState=', connState);
// ─── 创建 xterm + 连接(用 rAF 重试等 Dialog 渲染完)───
useEffect(() => {
console.log('[PodExec:initEffect] TRIGGERED open=', open, 'clusterId=', clusterId, 'podName=', podName, 'namespace=', namespace);
if (!open) { console.log('[PodExec:initEffect] ABORT: open=false'); return; }
if (!clusterId) { console.error('[PodExec:initEffect] ABORT: clusterId is falsy:', clusterId); return; }
if (!podName) { console.error('[PodExec:initEffect] ABORT: podName is falsy:', podName); return; }
let disposed = false;
let retryCount = 0;
const startTime = performance.now();
const tryInit = () => {
if (disposed) { console.log('[PodExec:tryInit] disposed, aborting'); return; }
const el = containerRef.current;
console.log('[PodExec:tryInit] retry=', retryCount, 'el=', el ? `DIV ${el.offsetWidth}x${el.offsetHeight}` : 'NULL', 'el.parentElement=', el?.parentElement ? 'YES' : 'NO');
if (!el) {
retryCount++;
if (retryCount < 20) {
requestAnimationFrame(tryInit);
} else {
console.error('[PodExec:tryInit] FAILED: containerRef still null after 20 retries (', Math.round(performance.now()-startTime), 'ms)');
}
return;
}
console.log('[PodExec:tryInit] SUCCESS: container ready after', retryCount, 'retries, size:', el.offsetWidth, 'x', el.offsetHeight, 'elapsed:', Math.round(performance.now()-startTime), 'ms');
const term = new XTerm({
cursorBlink: true,
fontSize: 14,
fontFamily: 'Menlo, Monaco, "Courier New", monospace',
allowProposedApi: true,
scrollback: 5000,
theme: {
background: '#0f172a', foreground: '#e2e8f0', cursor: '#38bdf8',
selectionBackground: '#1e40af',
black: '#1e293b', red: '#ef4444', green: '#10b981',
yellow: '#f59e0b', blue: '#3b82f6', magenta: '#a855f7',
cyan: '#06b6d4', white: '#e2e8f0',
brightBlack: '#475569', brightRed: '#f87171', brightGreen: '#34d399',
brightYellow: '#fbbf24', brightBlue: '#60a5fa', brightMagenta: '#c084fc',
brightCyan: '#22d3ee', brightWhite: '#f8fafc',
},
});
const fit = new FitAddon();
term.loadAddon(fit);
termRef.current = term;
fitRef.current = fit;
term.onData((data: string) => {
if (wsRef.current && wsRef.current.readyState === WebSocket.OPEN) {
console.debug('[PodExec:term] TX stdin, len=', data.length, 'bytes=', [...data].map(c => c.charCodeAt(0)).slice(0, 10));
wsRef.current.send(JSON.stringify({ status: 0, data }));
} else {
console.warn('[PodExec:term] TX dropped — WS not open, readyState=', wsRef.current?.readyState);
}
});
term.open(el);
console.log('[PodExec:tryInit] xterm.open() done, rows=', term.rows, 'cols=', term.cols);
requestAnimationFrame(() => { try { fit.fit(); } catch { /* noop */ } });
mountedRef.current = true;
connect();
};
requestAnimationFrame(tryInit);
return () => {
disposed = true;
};
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [open, clusterId, podName]);
// ─── cleanup on close ───
useEffect(() => {
if (!open) {
console.log('[PodExec:cleanup] dialog closed, cleaning up WS + xterm');
try { wsRef.current?.close(); } catch { /* noop */ }
try { termRef.current?.dispose(); } catch { /* noop */ }
termRef.current = null;
wsRef.current = null;
fitRef.current = null;
mountedRef.current = false;
setConnState('idle');
}
}, [open]);
// ─── 容器/shell 变化时重连 ───
useEffect(() => {
if (open && termRef.current && mountedRef.current) {
console.log('[PodExec:reconnect] container=', container, 'shell=', shell, 'mounted=', mountedRef.current);
connect();
} else {
console.log('[PodExec:reconnect] SKIP: open=', open, 'hasTerm=', !!termRef.current, 'mounted=', mountedRef.current);
}
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [container, shell]);
// ─── ResizeObserver ───
useEffect(() => {
if (!open) return;
const el = containerRef.current;
if (!el) return;
let timer: ReturnType<typeof setTimeout>;
const ro = new ResizeObserver(() => {
clearTimeout(timer);
timer = setTimeout(() => {
if (fitRef.current && termRef.current) {
try {
fitRef.current.fit();
termRef.current.focus();
const { cols, rows } = termRef.current;
if (wsRef.current?.readyState === WebSocket.OPEN) {
wsRef.current.send(JSON.stringify({ status: 1, cols, rows }));
}
} catch { /* noop */ }
}
}, 60);
});
ro.observe(el);
return () => { clearTimeout(timer); ro.disconnect(); };
}, [open, fullscreen]);
// ─── UI ───
const statusColor = connState === 'connected' ? 'bg-emerald-400'
: connState === 'error' ? 'bg-red-400'
: connState === 'closed' ? 'bg-slate-500' : 'bg-amber-400';
const statusText = connState === 'connected' ? '已连接'
: connState === 'connecting' ? '连接中'
: connState === 'error' ? '连接错误'
: connState === 'closed' ? '已断开' : '空闲';
const handleTerminalClick = useCallback(() => {
try { termRef.current?.focus(); } catch { /* noop */ }
}, []);
return (
<Dialog open={open} onOpenChange={onOpenChange}>
<DialogContent
showCloseButton={false}
className={cn(
'bg-[var(--dg-bg-secondary)] border-[var(--dg-border)] p-0 gap-0',
'!duration-0 !transition-none',
fullscreen ? '!max-w-none !w-screen !h-screen !rounded-none !translate-x-0 !translate-y-0 !left-0 !top-0' : ''
)}
style={fullscreen ? { maxWidth: '100vw', width: '100vw', height: '100vh' } : { maxWidth: '960px', width: '92vw' }}
>
<DialogTitle className="sr-only">exec — {podName}</DialogTitle>
<DialogDescription className="sr-only">进入 Pod 容器执行命令</DialogDescription>
{/* 工具栏 */}
<div className="flex items-center justify-between gap-2 px-4 py-2 border-b border-[var(--dg-border)] flex-wrap">
<div className="flex items-center gap-2 text-sm min-w-0">
<div className={cn('w-2 h-2 rounded-full shrink-0', statusColor)} title={statusText} />
<Terminal className="h-4 w-4 text-blue-400 shrink-0" />
<span className="text-[var(--dg-text-primary)] font-medium truncate">exec — {podName}</span>
{connState === 'connecting' && <Loader2 className="h-3 w-3 animate-spin text-[var(--dg-text-muted)]" />}
<span className="text-xs text-[var(--dg-text-muted)]">{statusText}</span>
</div>
<div className="flex items-center gap-2">
{containers.length > 0 && (
<Select value={container} onValueChange={setContainer}>
<SelectTrigger className="h-8 w-[150px] text-xs bg-[var(--dg-bg-hover)] border-[var(--dg-border)]">
<Box className="h-3 w-3 mr-1 text-[var(--dg-text-muted)]" />
<SelectValue placeholder="容器" />
</SelectTrigger>
<SelectContent>{containers.map((c) => <SelectItem key={c} value={c}>{c}</SelectItem>)}</SelectContent>
</Select>
)}
<Select value={shell} onValueChange={setShell}>
<SelectTrigger className="h-8 w-[110px] text-xs bg-[var(--dg-bg-hover)] border-[var(--dg-border)]">
<SelectValue />
</SelectTrigger>
<SelectContent>{SHELLS.map(s => <SelectItem key={s.value} value={s.value}>{s.label}</SelectItem>)}</SelectContent>
</Select>
<Button variant="ghost" size="sm" className="h-8 px-2 text-[var(--dg-text-secondary)] hover:text-[var(--dg-text-primary)]"
onClick={() => { connect(); toast({ title: '正在重连…' }); }} title="重连">
<RotateCw className="h-3.5 w-3.5" />
</Button>
<button onClick={() => setFullscreen(!fullscreen)} className="p-1.5 rounded hover:bg-[var(--dg-bg-hover)] text-[var(--dg-text-secondary)]" title={fullscreen ? '退出全屏' : '全屏'}>
{fullscreen ? <Minimize2 className="h-4 w-4" /> : <Maximize2 className="h-4 w-4" />}
</button>
<button onClick={() => onOpenChange(false)} className="p-1.5 rounded hover:bg-[var(--dg-bg-hover)] text-[var(--dg-text-secondary)]" title="关闭">
<X className="h-4 w-4" />
</button>
</div>
</div>
{/* 终端容器 */}
<div
ref={containerRef}
className="bg-[#0f172a] cursor-text"
style={{ height: fullscreen ? 'calc(100vh - 49px)' : '480px' }}
onClick={handleTerminalClick}
/>
</DialogContent>
</Dialog>
);
}