5fe750eaad
Three UX improvements for the live build log viewer: 1. Auto-scroll (sticky-bottom): live build output now scrolls to the bottom as new lines arrive. Stops auto-scrolling when the operator manually scrolls up; resumes when they scroll back to the bottom. Same intent-tracking pattern used by the terminal pane. 2. Elapsed-time ticker: running builds show a live seconds/minutes counter in the row header that ticks every second. Stops and shows the final duration when the build finishes (done frame received) or errors out. 3. SSE-driven list refresh: subscribes to /dashboard/stream and debounces a fetchBuild() call (2s) whenever rebuild_queue_changed fires while the BUILD tab is active. New log entries and status changes appear without a manual refresh.
349 lines
14 KiB
JavaScript
349 lines
14 KiB
JavaScript
// /logs.html entry point: log viewer with three sub-tabs (BUILD, AGENT, SYSTEM).
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// BUILD — all-agents build log history, backed by GET /api/build-logs
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// AGENT — per-container journald viewer, backed by GET /api/journal/{name}
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// SYSTEM — host service logs, backed by GET /api/journal-host
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//
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// Tab routing via URL hash (#build, #agent, #system). Default: #build.
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//
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// Live improvements:
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// - Live build output auto-scrolls to the bottom (sticky-bottom) unless
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// the operator has manually scrolled up.
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// - Running builds show an elapsed-time counter in the row header that
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// ticks every second.
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// - The build list auto-refreshes (debounced 2s) when rebuild_queue_changed
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// fires from the dashboard SSE stream, so new log entries appear without
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// a manual page refresh.
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import {
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$, el, fmtAgeSecs, openStream,
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} from './common.js';
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(() => {
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// ─── tab routing ──────────────────────────────────────────────────────
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const TABS = ['build', 'agent', 'system'];
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function activeTab() {
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const hash = location.hash.replace('#', '');
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return TABS.includes(hash) ? hash : 'build';
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}
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function showTab(name) {
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for (const t of TABS) {
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const pane = document.getElementById('logs-pane-' + t);
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const tab = document.getElementById('logs-tab-' + t);
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const active = t === name;
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if (pane) pane.hidden = !active;
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if (tab) {
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tab.classList.toggle('logs-tab-active', active);
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tab.setAttribute('aria-selected', String(active));
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}
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}
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}
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window.addEventListener('hashchange', () => {
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const tab = activeTab();
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showTab(tab);
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if (tab === 'system') fetchSystem();
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});
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// ─── helpers ──────────────────────────────────────────────────────────
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// started_at / finished_at are unix seconds (i64), not milliseconds.
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function fmtTs(unixSecs) {
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if (!unixSecs) return '';
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const age = Math.floor(Date.now() / 1000) - unixSecs;
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return fmtAgeSecs(Math.max(0, age)) + ' ago';
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}
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function fmtDuration(secs) {
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if (secs < 60) return secs + 's';
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const m = Math.floor(secs / 60), s = secs % 60;
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return m + 'm ' + s + 's';
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}
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// ─── BUILD tab ────────────────────────────────────────────────────────
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const buildList = $('build-list');
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const buildRefresh = $('build-refresh');
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async function fetchBuild() {
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if (!buildList) return;
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buildList.replaceChildren();
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buildList.append(el('p', { class: 'meta' }, 'loading…'));
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try {
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const resp = await fetch('/api/build-logs?limit=30');
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if (!resp.ok) throw new Error('http ' + resp.status);
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const rows = await resp.json();
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buildList.replaceChildren();
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if (!rows || rows.length === 0) {
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buildList.append(el('p', { class: 'meta' }, '(no build logs yet)'));
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return;
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}
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const ul = el('ul', { class: 'build-logs-list' });
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for (const h of rows) {
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const li = el('li', { class: 'build-logs-item', 'data-log-id': String(h.id) });
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// status is null while running, 'ok'/'fail' when finished.
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const live = !h.status;
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const ok = h.status === 'ok';
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const statusClass = live ? 'badge badge-running' : ok ? 'badge badge-ok' : 'badge badge-fail';
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const statusLabel = live ? 'live' : ok ? 'ok' : 'fail';
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const age = h.finished_at ? fmtTs(h.finished_at) : (live ? '' : fmtTs(h.started_at));
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const runtime = h.runtime_secs != null
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? el('span', { class: 'build-logs-runtime meta' }, fmtDuration(Math.max(0, h.runtime_secs)))
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: live
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? el('span', { class: 'build-logs-runtime meta build-logs-live-dur' }, '…')
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: el('span', { class: 'build-logs-runtime meta' }, '');
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// For live builds, start an elapsed-time ticker immediately in the
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// row header so the operator can see how long the build has been
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// running without opening the log detail.
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let durTimer = null;
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if (live && h.started_at) {
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const updateDur = () => {
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const elapsed = Math.floor(Date.now() / 1000) - h.started_at;
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runtime.textContent = fmtDuration(Math.max(0, elapsed));
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};
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updateDur(); // show initial value right away
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durTimer = setInterval(updateDur, 1000);
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}
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const rowBtn = el('button', {
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type: 'button',
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class: 'build-logs-row-btn',
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'aria-expanded': 'false',
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},
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el('span', { class: statusClass }, statusLabel),
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el('span', { class: 'build-logs-agent' }, h.agent),
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runtime,
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el('span', { class: 'build-logs-kind' }, h.kind),
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el('span', { class: 'build-logs-age meta' }, age),
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el('span', { class: 'build-logs-cmdline meta' }, h.cmdline),
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);
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const detail = el('div', { class: 'build-logs-detail' });
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detail.hidden = true;
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let streamEs = null;
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rowBtn.addEventListener('click', async () => {
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const expanded = rowBtn.getAttribute('aria-expanded') === 'true';
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rowBtn.setAttribute('aria-expanded', String(!expanded));
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detail.hidden = expanded;
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if (expanded) {
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if (streamEs) { streamEs.close(); streamEs = null; }
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return;
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}
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// already loaded?
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if (detail.dataset.loaded) return;
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detail.replaceChildren();
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detail.append(
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el('a', {
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href: '/api/build-logs/id/' + h.id + '/raw',
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download: 'build-log-' + h.id + '.txt',
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class: 'build-logs-dl',
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}, '↓ download raw'),
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);
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if (live) {
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const pre = el('pre', { class: 'build-logs-output build-logs-live' }, '');
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const badge = el('span', { class: 'build-logs-live-badge badge badge-running' }, 'live');
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detail.append(badge, pre);
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// Sticky-bottom: auto-scroll to the bottom as new lines arrive
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// unless the operator has manually scrolled up. Track intent via
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// the scroll event rather than recomputing on each append.
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let atBottom = true;
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pre.addEventListener('scroll', () => {
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atBottom = pre.scrollHeight - pre.scrollTop - pre.clientHeight < 40;
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});
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streamEs = new EventSource('/api/build-logs/id/' + h.id + '/stream');
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let stdoutLen = 0, stderrLen = 0;
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streamEs.onmessage = (e) => {
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let frame;
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try { frame = JSON.parse(e.data); } catch { return; }
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if (frame.stdout_append) {
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pre.textContent += frame.stdout_append;
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if (atBottom) pre.scrollTop = pre.scrollHeight;
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stdoutLen += frame.stdout_append.length;
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}
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if (frame.stderr_append) {
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if (stderrLen === 0) pre.textContent += '\n--- stderr ---\n';
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pre.textContent += frame.stderr_append;
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if (atBottom) pre.scrollTop = pre.scrollHeight;
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stderrLen += frame.stderr_append.length;
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}
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if (frame.done) {
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// Stop the elapsed-time ticker and show the final duration.
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if (durTimer) { clearInterval(durTimer); durTimer = null; }
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if (h.started_at) {
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const elapsed = Math.floor(Date.now() / 1000) - h.started_at;
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runtime.textContent = fmtDuration(Math.max(0, elapsed));
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}
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badge.className = frame.status === 'ok' ? 'badge badge-ok' : 'badge badge-fail';
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badge.textContent = frame.status || 'done';
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streamEs.close(); streamEs = null;
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detail.dataset.loaded = '1';
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}
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};
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streamEs.onerror = () => {
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if (streamEs && streamEs.readyState === EventSource.CONNECTING) {
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pre.textContent = ''; stdoutLen = 0; stderrLen = 0;
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} else {
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if (durTimer) { clearInterval(durTimer); durTimer = null; }
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badge.textContent = 'stream error';
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badge.className = 'badge badge-fail';
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if (streamEs) { streamEs.close(); streamEs = null; }
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}
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};
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} else {
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const pre = el('pre', { class: 'build-logs-output' }, 'fetching…');
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detail.append(pre);
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try {
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const r2 = await fetch('/api/build-logs/id/' + h.id);
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if (!r2.ok) {
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pre.textContent = 'error ' + r2.status;
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} else {
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const full = await r2.json();
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const out = [full.stdout, full.stderr].filter(Boolean).join('\n--- stderr ---\n');
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pre.textContent = out || '(empty)';
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}
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detail.dataset.loaded = '1';
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} catch (err) {
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pre.textContent = 'fetch failed: ' + err;
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}
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}
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});
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li.append(rowBtn, detail);
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ul.append(li);
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}
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buildList.append(ul);
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// Deep-link: if the URL contains ?id=N, auto-expand that log entry
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// so a `logs →` link from the rebuild-queue panel drops the operator
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// straight into the live output without extra clicks.
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const deepId = new URLSearchParams(location.search).get('id');
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if (deepId) {
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const target = ul.querySelector('[data-log-id="' + deepId + '"]');
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if (target) {
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const btn = target.querySelector('.build-logs-row-btn');
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if (btn) {
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btn.click();
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target.scrollIntoView({ behavior: 'smooth', block: 'start' });
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}
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}
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}
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} catch (err) {
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buildList.replaceChildren();
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buildList.append(el('p', { class: 'meta' }, 'fetch failed: ' + err));
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}
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}
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if (buildRefresh) buildRefresh.addEventListener('click', fetchBuild);
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// Auto-refresh the build list when the dashboard SSE stream signals that
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// the rebuild queue changed — this surfaces new log entries and status
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// changes without needing a manual page refresh. Debounce 2s so a burst
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// of rapid queue mutations only triggers one fetch.
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{
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let buildRefreshTimer = null;
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const debouncedRefreshBuild = () => {
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if (activeTab() !== 'build') return;
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if (buildRefreshTimer) clearTimeout(buildRefreshTimer);
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buildRefreshTimer = setTimeout(fetchBuild, 2000);
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};
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const es = openStream('/dashboard/stream');
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if (es) {
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es.onmessage = (e) => {
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let ev;
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try { ev = JSON.parse(e.data); } catch { return; }
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if (ev.kind === 'rebuild_queue_changed') debouncedRefreshBuild();
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};
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}
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}
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// ─── AGENT tab ────────────────────────────────────────────────────────
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const agentSelect = $('agent-select');
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const agentUnitSelect = $('agent-unit-select');
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const agentRefresh = $('agent-refresh');
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const agentOutput = $('agent-output');
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// Populate agent selector from /api/state
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async function loadAgentList() {
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try {
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const resp = await fetch('/api/state');
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if (!resp.ok) return;
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const state = await resp.json();
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if (!agentSelect) return;
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agentSelect.replaceChildren();
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agentSelect.append(el('option', { value: '' }, '— select agent —'));
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for (const c of (state.containers || [])) {
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agentSelect.append(el('option', { value: c.name }, c.name));
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}
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} catch { /**/ }
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}
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let agentFetching = false;
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async function fetchAgent() {
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if (!agentSelect || !agentOutput) return;
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const name = agentSelect.value;
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if (!name) { agentOutput.textContent = 'select an agent above'; return; }
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if (agentFetching) return;
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agentFetching = true;
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agentOutput.textContent = 'fetching…';
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const unit = agentUnitSelect ? agentUnitSelect.value : '';
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const params = new URLSearchParams({ lines: '500' });
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if (unit) params.set('unit', unit);
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try {
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const resp = await fetch('/api/journal/' + encodeURIComponent(name) + '?' + params);
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const text = await resp.text();
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agentOutput.textContent = resp.ok ? (text || '(empty)') : 'error ' + resp.status + '\n' + text;
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agentOutput.scrollTop = agentOutput.scrollHeight;
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} catch (err) {
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agentOutput.textContent = 'fetch failed: ' + err;
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} finally {
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agentFetching = false;
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}
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}
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if (agentSelect) agentSelect.addEventListener('change', fetchAgent);
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if (agentUnitSelect) agentUnitSelect.addEventListener('change', fetchAgent);
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if (agentRefresh) agentRefresh.addEventListener('click', fetchAgent);
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// ─── SYSTEM tab ───────────────────────────────────────────────────────
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const systemUnitSelect = $('system-unit-select');
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const systemRefresh = $('system-refresh');
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const systemOutput = $('system-output');
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let systemFetching = false;
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async function fetchSystem() {
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if (!systemOutput) return;
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if (systemFetching) return;
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systemFetching = true;
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systemOutput.textContent = 'fetching…';
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const unit = systemUnitSelect ? systemUnitSelect.value : 'hive-c0re.service';
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const params = new URLSearchParams({ lines: '500' });
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if (unit) params.set('unit', unit);
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try {
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const resp = await fetch('/api/journal-host?' + params);
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const text = await resp.text();
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systemOutput.textContent = resp.ok ? (text || '(empty)') : 'error ' + resp.status + '\n' + text;
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systemOutput.scrollTop = systemOutput.scrollHeight;
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} catch (err) {
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systemOutput.textContent = 'fetch failed: ' + err;
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} finally {
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systemFetching = false;
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}
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}
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if (systemUnitSelect) systemUnitSelect.addEventListener('change', fetchSystem);
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if (systemRefresh) systemRefresh.addEventListener('click', fetchSystem);
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// ─── init ─────────────────────────────────────────────────────────────
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const tab = activeTab();
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showTab(tab);
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loadAgentList();
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fetchBuild();
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if (tab === 'system') fetchSystem();
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})();
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