iboard/server/komari-client.js
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完成基础功能
2026-08-06 16:55:03 +08:00

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3.8 KiB
JavaScript

// komari 实时监控客户端: 公开 API, 无鉴权, 请求时实时获取, 不落库
// GET /api/nodes 节点列表
// GET /api/recent/{uuid} 最近实时状态 (数组, 多个时间点)
// GET /api/records/load?uuid=... 1 分钟粒度历史 (komari 保留 24h)
const BASE = process.env.KOMARI_BASE || 'https://komari.honor3.com'
const TIMEOUT = 15000
async function jget(path) {
const ctrl = new AbortController()
const timer = setTimeout(() => ctrl.abort(), TIMEOUT)
try {
const r = await fetch(BASE + path, { headers: { 'User-Agent': 'iboard-monitor/1.0' }, signal: ctrl.signal })
if (!r.ok) throw new Error('komari ' + path + ' HTTP ' + r.status)
const j = await r.json()
if (j.status && j.status !== 'success') throw new Error('komari ' + path + ' status: ' + j.status + ' ' + (j.message || ''))
return j.data
} finally {
clearTimeout(timer)
}
}
// 节点列表 + 每节点最新实时快照 (并行拉取, 单节点失败不拖垮整体)
export async function fetchServers() {
const nodes = await jget('/api/nodes')
if (!Array.isArray(nodes)) return []
const snaps = await Promise.all(
nodes
.filter((n) => n.uuid)
.map(async (n) => {
try {
const recent = await jget('/api/recent/' + n.uuid)
return { node: n, snap: Array.isArray(recent) && recent.length ? recent[recent.length - 1] : null }
} catch (e) {
console.error('[komari] 节点 ' + n.uuid + ' 快照失败:', e.message)
return { node: n, snap: null }
}
}),
)
return snaps.map(({ node: n, snap }) => {
const uuid = n.uuid
return {
uuid,
name: n.name || uuid,
cpuName: n.cpu_name || '',
os: n.os || '',
region: n.region || '',
memTotal: snap ? Number(snap.ram?.total || 0) : Number(n.mem_total || 0),
diskTotal: snap ? Number(snap.disk?.total || 0) : Number(n.disk_total || 0),
cpuCores: Number(n.cpu_cores || 0),
cpuUsage: snap ? Number(snap.cpu?.usage || 0) : 0,
ramUsed: snap ? Number(snap.ram?.used || 0) : 0,
swapUsed: snap ? Number(snap.swap?.used || 0) : 0,
load1: snap ? Number(snap.load?.load1 || 0) : 0,
load5: snap ? Number(snap.load?.load5 || 0) : 0,
load15: snap ? Number(snap.load?.load15 || 0) : 0,
diskUsed: snap ? Number(snap.disk?.used || 0) : 0,
netIn: snap ? Number(snap.network?.down || 0) : 0,
netOut: snap ? Number(snap.network?.up || 0) : 0,
uptime: snap ? Number(snap.uptime || 0) : 0,
process: snap ? Number(snap.process || 0) : 0,
connections: snap ? Number(snap.connections?.tcp || 0) : 0,
status: snap ? 'online' : 'unknown',
recordedAt: snap && snap.updated_at ? new Date(snap.updated_at).toISOString() : new Date().toISOString(),
}
})
}
// 节点时序: komari 保留最近 24h, 1 分钟粒度
// 节点未开启 record 或已下线 (komari 404) 时返回空列表, 不向上抛 500
export async function fetchHistory(uuid) {
let data
try {
data = await jget('/api/records/load?uuid=' + encodeURIComponent(uuid))
} catch (e) {
console.error('[komari] ' + uuid + ' history 获取失败:', e.message)
return []
}
const records = data && Array.isArray(data.records) ? data.records : []
return records
.map((r) => ({
period: new Date(r.time).toISOString(),
cpu: Number(r.cpu || 0),
ram: Number(r.ram || 0),
load: Number(r.load || 0),
disk: Number(r.disk || 0),
// net_in/net_out 为 komari 原始值 (字节口径), 前端展示时再按需换算
netIn: Number(r.net_in || 0),
netOut: Number(r.net_out || 0),
process: Number(r.process || 0),
connections: Number(r.connections || 0),
}))
.filter((r) => !isNaN(Date.parse(r.period)))
}