forked from snxraven/peardock
Raven Scott
b2e04caabc
Expand server history samples with network/block rates and longer retention, and rebuild the details Stats tab with live KPIs, 1m–30m windows, auto-scale, pause, CSV export, and CPU/memory/net/disk charts.
76 lines
1.9 KiB
JavaScript
76 lines
1.9 KiB
JavaScript
/**
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* Ring-buffer stats history for per-container charts.
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* Samples include CPU, memory, and optional network / block I/O rates.
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*/
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const DEFAULT_MAX_POINTS = Number(process.env.PEARDOCK_STATS_HISTORY_POINTS) || 900
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/** @type {Map<string, Array<object>>} */
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const history = new Map()
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/**
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* @param {string} containerId
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* @param {{
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* cpu: number,
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* memory: number,
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* memoryLimit?: number,
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* netRxRate?: number,
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* netTxRate?: number,
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* blkReadRate?: number,
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* blkWriteRate?: number,
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* }} sample
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*/
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export function recordSample(containerId, sample) {
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if (!containerId) return
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let series = history.get(containerId)
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if (!series) {
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series = []
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history.set(containerId, series)
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}
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series.push({
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t: Date.now(),
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cpu: Number(sample.cpu) || 0,
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memory: Number(sample.memory) || 0,
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memoryLimit: Number(sample.memoryLimit) || 0,
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netRxRate: Number(sample.netRxRate) || 0,
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netTxRate: Number(sample.netTxRate) || 0,
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blkReadRate: Number(sample.blkReadRate) || 0,
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blkWriteRate: Number(sample.blkWriteRate) || 0,
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})
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while (series.length > DEFAULT_MAX_POINTS) series.shift()
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}
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/**
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* @param {string} containerId
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* @param {{ limit?: number, since?: number }} [opts]
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*/
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export function getHistory(containerId, opts = {}) {
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let series = history.get(containerId) || []
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const since = Number(opts.since)
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if (Number.isFinite(since) && since > 0) {
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series = series.filter((p) => p.t >= since)
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}
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const cap = Math.min(
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Number(opts.limit) || DEFAULT_MAX_POINTS,
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DEFAULT_MAX_POINTS
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)
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return series.slice(-cap)
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}
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/**
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* @param {string[]} activeIds
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*/
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export function pruneMissing(activeIds) {
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const set = new Set(activeIds)
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for (const id of history.keys()) {
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if (!set.has(id)) history.delete(id)
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}
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}
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export function clearHistory() {
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history.clear()
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}
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export function maxHistoryPoints() {
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return DEFAULT_MAX_POINTS
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}
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