bvandeusen
eefa38cc75
Add a live range switch to the history widget that re-requests the fragment without entering edit mode. It rewrites the parent cell's hx-get so the choice survives polling (htmx re-reads the attribute each poll), then fetches at once. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
89 lines
4.3 KiB
HTML
89 lines
4.3 KiB
HTML
{# host_agent history-graph widget — the host-view utilization chart, embedded
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on a dashboard. Fills the (resizable) panel; epoch-ms linear axis so no
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Chart.js date adapter is needed. #}
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{% set has_data = host and (series.cpu_pct or series.mem_used_pct or series.disk_root) %}
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{% if not host %}
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<div style="color:var(--text-muted);font-size:0.85rem;padding:0.75rem 0;">
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No host selected. <strong>Edit</strong> this dashboard and pick a host for this graph.
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</div>
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{% elif not has_data %}
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<div style="color:var(--text-muted);font-size:0.85rem;padding:0.75rem 0;">
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No agent metrics for <strong>{{ host.name }}</strong> in the last {{ hours }}h yet.
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</div>
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{% else %}
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<div style="display:flex;flex-direction:column;height:100%;min-height:200px;">
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{# Name the host the graph represents (panel title is generic) + a live range
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toggle that re-requests this widget without entering edit mode. #}
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<div style="flex:0 0 auto;display:flex;align-items:center;gap:0.5rem;flex-wrap:wrap;font-size:0.75rem;color:var(--text-muted);margin-bottom:0.3rem;">
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{% if session.user_id %}
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<a href="/hosts/{{ host.id }}" style="font-weight:600;">{{ host.name }}</a>
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{% else %}
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<strong style="color:var(--text);">{{ host.name }}</strong>
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{% endif %}
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<span class="hist-range" style="margin-left:auto;display:inline-flex;border:1px solid var(--border-mid);border-radius:5px;overflow:hidden;">
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{% for opt in [1, 6, 24] %}
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<button type="button" onclick="histRange({{ wid }}, '{{ host.id }}', {{ opt }})"
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style="border:0;cursor:pointer;padding:0.1rem 0.45rem;font-size:0.72rem;
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background:{% if opt == hours %}var(--accent){% else %}transparent{% endif %};
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color:{% if opt == hours %}#fff{% else %}var(--text-muted){% endif %};">{{ opt }}h</button>
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{% endfor %}
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</span>
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</div>
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<div style="flex:1 1 auto;min-height:150px;position:relative;">
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<canvas id="host-hist-{{ wid }}"></canvas>
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</div>
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</div>
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<script>
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// Live time-range switch. Rewrites the parent cell's hx-get so the choice sticks
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// across polls (htmx re-reads the attribute each poll), then fetches immediately.
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window.histRange = function (wid, hostId, hours) {
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var cell = document.getElementById("widget-" + wid);
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if (!cell) return;
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var base = (cell.getAttribute("hx-get") || "").split("?")[0];
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var url = base + "?host_id=" + encodeURIComponent(hostId) + "&hours=" + hours + "&wid=" + wid;
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cell.setAttribute("hx-get", url);
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if (window.htmx) window.htmx.ajax("GET", url, { target: cell, swap: "innerHTML" });
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};
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(function () {
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var el = document.getElementById("host-hist-{{ wid }}");
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if (!el) return;
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var series = {{ series|tojson }};
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var fmtTime = function (v) {
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var d = new Date(v);
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return ("0" + d.getHours()).slice(-2) + ":" + ("0" + d.getMinutes()).slice(-2);
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};
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var ds = [
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{ key: "cpu_pct", label: "CPU %", color: "#c8a840" },
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{ key: "mem_used_pct", label: "Mem %", color: "#4aa86a" },
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{ key: "disk_root", label: "Disk / %", color: "#c87840" },
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];
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new Chart(el.getContext("2d"), {
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type: "line",
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data: { datasets: ds.map(function (d) {
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return {
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label: d.label,
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data: (series[d.key] || []).map(function (p) { return { x: p[0], y: p[1] }; }),
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borderColor: d.color, backgroundColor: d.color, borderWidth: 1.5, tension: 0.25,
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};
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}) },
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options: {
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responsive: true, maintainAspectRatio: false,
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interaction: { mode: "index", intersect: false },
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elements: { point: { radius: 0 } },
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scales: {
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x: { type: "linear", ticks: { callback: function (v) { return fmtTime(v); }, maxTicksLimit: 6, color: "#8a8a92", font: { size: 10 } }, grid: { color: "#30303a" } },
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// Fixed 0–{{ y_max }} ceiling (server snaps the data peak up to the next
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// 10% band). Steady across refreshes — auto-scaling made the zoom jump on
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// every poll — while a banded ceiling still keeps the lines filling the panel.
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y: { min: 0, max: {{ y_max }}, ticks: { color: "#8a8a92", font: { size: 10 } }, grid: { color: "#30303a" } },
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},
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plugins: {
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legend: { labels: { color: "#b8b8b0", boxWidth: 10, font: { size: 11 } } },
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tooltip: { callbacks: { title: function (items) { return items.length ? fmtTime(items[0].parsed.x) : ""; } } },
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},
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},
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});
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})();
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</script>
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{% endif %}
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