完成基础功能

server/komari-client.js

@@ -0,0 +1,94 @@
+// 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)))
+}