Feat : Better stats

vps-monitor/agent/agent.py

@@ -122,12 +122,14 @@ def system_info(_: None = Depends(require_api_key)):
     net_recv_per_sec = (net2.bytes_recv - net1.bytes_recv) * 2
 
     return {
-        "cpu_percent":     cpu_percent,
-        "ram_used":        mem.used,
-        "ram_total":       mem.total,
-        "ram_percent":     mem.percent,
+        "cpu_percent":      cpu_percent,
+        "ram_used":         mem.used,
+        "ram_total":        mem.total,
+        "ram_percent":      mem.percent,
         "net_sent_per_sec": net_sent_per_sec,
         "net_recv_per_sec": net_recv_per_sec,
+        "net_bytes_sent":   net2.bytes_sent,
+        "net_bytes_recv":   net2.bytes_recv,
     }
 
 

vps-monitor/backend/main.py

@@ -9,6 +9,7 @@ import json
 import os
 import secrets
 import sqlite3
+from collections import deque
 from contextlib import contextmanager
 from datetime import datetime, timedelta, timezone
 from pathlib import Path
@@ -25,6 +26,10 @@ from pydantic import BaseModel
 # ─── Config ───────────────────────────────────────────────────────────────────
 
 DB_FILE        = Path(os.getenv("DB_FILE",     "data/monitor.db"))
+
+# ─── Ring buffer de stats (en mémoire) ───────────────────────────────────────
+_STATS_MAX_POINTS = 120   # 10 min à 5 s d'intervalle
+_stats_history: dict[str, deque] = {}
 SECRET_FILE    = Path(os.getenv("SECRET_FILE", "data/.jwt_secret"))
 AGENT_TIMEOUT  = int(os.getenv("AGENT_TIMEOUT", "5"))
 JWT_ALGORITHM  = "HS256"
@@ -279,6 +284,45 @@ async def fetch_vps_status(vps: dict) -> dict:
         }
 
 
+# ─── Collecteur de stats (tâche de fond) ─────────────────────────────────────
+
+async def _fetch_system_stat(vps: dict) -> None:
+    """Collecte un point de stats système pour un VPS et l'insère dans le ring buffer."""
+    try:
+        data = await agent_get(vps, "/system")
+        buf = _stats_history.setdefault(vps["id"], deque(maxlen=_STATS_MAX_POINTS))
+        buf.append({
+            "ts":               datetime.now(timezone.utc).isoformat(),
+            "cpu":              data["cpu_percent"],
+            "ram_percent":      data["ram_percent"],
+            "ram_used":         data["ram_used"],
+            "ram_total":        data["ram_total"],
+            "net_sent_per_sec": data["net_sent_per_sec"],
+            "net_recv_per_sec": data["net_recv_per_sec"],
+            "net_bytes_sent":   data.get("net_bytes_sent", 0),
+            "net_bytes_recv":   data.get("net_bytes_recv", 0),
+        })
+    except Exception:
+        pass  # VPS hors ligne ou agent non mis à jour — ignoré silencieusement
+
+
+async def _stats_collector() -> None:
+    """Tâche de fond : collecte les stats de tous les VPS toutes les 5 secondes."""
+    await asyncio.sleep(3)  # laisse l'app finir de démarrer
+    while True:
+        vps_list = load_vps()
+        await asyncio.gather(
+            *[_fetch_system_stat(v) for v in vps_list],
+            return_exceptions=True,
+        )
+        await asyncio.sleep(5)
+
+
+@app.on_event("startup")
+async def startup_event() -> None:
+    asyncio.create_task(_stats_collector())
+
+
 # ─── Routes Auth ──────────────────────────────────────────────────────────────
 
 @app.get("/api/auth/status")
@@ -370,6 +414,14 @@ def edit_vps(vps_id: str, body: VpsUpdateRequest, _: Annotated[dict, Depends(get
     return {"status": "ok"}
 
 
+@app.get("/api/vps/{vps_id}/stats")
+def get_vps_stats(vps_id: str, _: Annotated[dict, Depends(get_current_user)]):
+    """Retourne l'historique des stats système d'un VPS (ring buffer en mémoire)."""
+    if not any(v["id"] == vps_id for v in load_vps()):
+        raise HTTPException(status_code=404, detail="VPS introuvable")
+    return list(_stats_history.get(vps_id, deque()))
+
+
 @app.get("/api/status")
 async def all_status(_: Annotated[dict, Depends(get_current_user)]):
     """Retourne l'état de tous les VPS en parallèle."""

vps-monitor/frontend/src/App.jsx

@@ -5,6 +5,7 @@ import VpsCard       from './components/VpsCard'
 import LogsModal     from './components/LogsModal'
 import AddVpsModal   from './components/AddVpsModal'
 import EditVpsModal  from './components/EditVpsModal'
+import StatsModal    from './components/StatsModal'
 import LoginPage     from './components/LoginPage'
 
 const INTERVAL_OPTIONS = [
@@ -46,6 +47,8 @@ export default function App() {
   const [updateContent, setUpdateContent] = useState('')
   const [updateLoading, setUpdateLoading] = useState(false)
 
+  const [statsModal,    setStatsModal]    = useState(null)   // { vpsId, vpsName }
+
   // Vérifie si des utilisateurs existent (pour afficher login ou register)
   useEffect(() => {
     authStatus()
@@ -263,6 +266,7 @@ export default function App() {
                 onDelete={handleDeleteVps}
                 onUpdate={handleUpdate}
                 onEdit={setEditVps}
+                onStats={(vpsId, vpsName) => setStatsModal({ vpsId, vpsName })}
               />
             ))}
           </div>
@@ -305,6 +309,15 @@ export default function App() {
           onClose={() => setEditVps(null)}
         />
       )}
+
+      {/* Modal statistiques */}
+      {statsModal && (
+        <StatsModal
+          vpsId={statsModal.vpsId}
+          vpsName={statsModal.vpsName}
+          onClose={() => setStatsModal(null)}
+        />
+      )}
     </div>
   )
 }

vps-monitor/frontend/src/api/client.js

@@ -108,3 +108,8 @@ export async function updateVps(vpsId, data) {
   })
   return handleResponse(res)
 }
+
+export async function fetchVpsStats(vpsId) {
+  const res = await fetch(`${BASE}/vps/${vpsId}/stats`, { headers: authHeaders() })
+  return handleResponse(res)
+}

vps-monitor/frontend/src/components/StatsModal.jsx

@@ -0,0 +1,388 @@
+import { useEffect, useState, useCallback } from 'react'
+import { X, BarChart2, Cpu, MemoryStick, ArrowUp, ArrowDown, TrendingUp } from 'lucide-react'
+import { fetchVpsStats } from '../api/client'
+
+// ─── Formatters ───────────────────────────────────────────────────────────────
+
+function fmtBytes(bytes) {
+  if (!bytes || bytes < 1) return '0 B'
+  if (bytes < 1024)        return `${bytes.toFixed(0)} B`
+  if (bytes < 1024 ** 2)   return `${(bytes / 1024).toFixed(1)} KB`
+  if (bytes < 1024 ** 3)   return `${(bytes / 1024 ** 2).toFixed(1)} MB`
+  return `${(bytes / 1024 ** 3).toFixed(2)} GB`
+}
+
+function fmtBps(bps) {
+  if (bps === undefined || bps === null) return '—'
+  if (bps < 1024)        return `${bps.toFixed(0)} B/s`
+  if (bps < 1024 ** 2)   return `${(bps / 1024).toFixed(1)} KB/s`
+  return `${(bps / 1024 ** 2).toFixed(2)} MB/s`
+}
+
+function fmtRam(bytes) {
+  if (!bytes) return '—'
+  if (bytes < 1024 ** 3) return `${(bytes / 1024 ** 2).toFixed(0)} MB`
+  return `${(bytes / 1024 ** 3).toFixed(1)} GB`
+}
+
+function avg(arr) {
+  if (!arr.length) return '—'
+  return (arr.reduce((a, b) => a + b, 0) / arr.length).toFixed(1)
+}
+
+// ─── SVG Sparkline ────────────────────────────────────────────────────────────
+
+function Sparkline({ data, min = 0, max = 100, color, fill, height = 60 }) {
+  if (!data.length) {
+    return (
+      <div
+        className="flex items-center justify-center text-gray-700 text-xs italic"
+        style={{ height }}
+      >
+        En attente de données…
+      </div>
+    )
+  }
+
+  const W = 500
+  const H = height
+  const P = 3
+  const range = (max - min) || 1
+
+  const sx = (i) => P + (i / Math.max(data.length - 1, 1)) * (W - P * 2)
+  const sy = (v) => H - P - (Math.max(0, Math.min(1, (v - min) / range)) * (H - P * 2))
+
+  const linePts = data.map((v, i) => `${sx(i).toFixed(1)},${sy(v).toFixed(1)}`).join(' ')
+  const areaPts = [
+    `${sx(0).toFixed(1)},${(H - P).toFixed(1)}`,
+    ...data.map((v, i) => `${sx(i).toFixed(1)},${sy(v).toFixed(1)}`),
+    `${sx(data.length - 1).toFixed(1)},${(H - P).toFixed(1)}`,
+  ].join(' ')
+
+  // Hover tooltip state
+  const [tooltip, setTooltip] = useState(null)
+
+  const handleMouseMove = (e) => {
+    const rect = e.currentTarget.getBoundingClientRect()
+    const xRatio = (e.clientX - rect.left) / rect.width
+    const idx = Math.min(data.length - 1, Math.max(0, Math.round(xRatio * (data.length - 1))))
+    setTooltip({ idx, value: data[idx] })
+  }
+
+  return (
+    <div className="relative" style={{ height }}>
+      <svg
+        viewBox={`0 0 ${W} ${H}`}
+        preserveAspectRatio="none"
+        className="w-full cursor-crosshair"
+        style={{ height }}
+        onMouseMove={handleMouseMove}
+        onMouseLeave={() => setTooltip(null)}
+      >
+        {/* Grid lines */}
+        {[25, 50, 75].map(pct => {
+          const y = sy(min + range * pct / 100)
+          return (
+            <line
+              key={pct}
+              x1={P} y1={y.toFixed(1)}
+              x2={W - P} y2={y.toFixed(1)}
+              stroke="#1f2937" strokeWidth="1"
+            />
+          )
+        })}
+
+        {/* Area fill */}
+        <polygon points={areaPts} fill={fill} opacity="0.2" />
+
+        {/* Line */}
+        <polyline
+          points={linePts}
+          fill="none"
+          stroke={color}
+          strokeWidth="1.5"
+          strokeLinejoin="round"
+          strokeLinecap="round"
+        />
+
+        {/* Hover dot */}
+        {tooltip && (
+          <circle
+            cx={sx(tooltip.idx).toFixed(1)}
+            cy={sy(tooltip.value).toFixed(1)}
+            r="3"
+            fill={color}
+          />
+        )}
+      </svg>
+
+      {/* Tooltip bubble */}
+      {tooltip && (
+        <div
+          className="absolute top-0 left-1/2 -translate-x-1/2 bg-gray-800 border border-gray-700 rounded px-2 py-0.5 text-xs text-white pointer-events-none"
+          style={{ whiteSpace: 'nowrap' }}
+        >
+          {typeof tooltip.value === 'number' ? tooltip.value.toFixed(1) : tooltip.value}
+        </div>
+      )}
+    </div>
+  )
+}
+
+// Dual sparkline (upload + download on same chart)
+function DualSparkline({ sentData, recvData, height = 60 }) {
+  const allValues = [...sentData, ...recvData]
+  const maxVal = Math.max(...allValues, 1) * 1.15
+  const W = 500, H = height, P = 3
+
+  const sx = (i, len) => P + (i / Math.max(len - 1, 1)) * (W - P * 2)
+  const sy = (v) => H - P - (Math.max(0, Math.min(1, v / maxVal)) * (H - P * 2))
+
+  const mkLine = (data) => data.map((v, i) => `${sx(i, data.length).toFixed(1)},${sy(v).toFixed(1)}`).join(' ')
+  const mkArea = (data) => [
+    `${sx(0, data.length).toFixed(1)},${(H - P).toFixed(1)}`,
+    ...data.map((v, i) => `${sx(i, data.length).toFixed(1)},${sy(v).toFixed(1)}`),
+    `${sx(data.length - 1, data.length).toFixed(1)},${(H - P).toFixed(1)}`,
+  ].join(' ')
+
+  const [tooltip, setTooltip] = useState(null)
+
+  const handleMouseMove = (e) => {
+    const rect = e.currentTarget.getBoundingClientRect()
+    const xRatio = (e.clientX - rect.left) / rect.width
+    const idx = Math.min(sentData.length - 1, Math.max(0, Math.round(xRatio * (sentData.length - 1))))
+    setTooltip({ idx, sent: sentData[idx], recv: recvData[idx] })
+  }
+
+  return (
+    <div className="relative" style={{ height }}>
+      <svg
+        viewBox={`0 0 ${W} ${H}`}
+        preserveAspectRatio="none"
+        className="w-full cursor-crosshair"
+        style={{ height }}
+        onMouseMove={handleMouseMove}
+        onMouseLeave={() => setTooltip(null)}
+      >
+        {[25, 50, 75].map(pct => (
+          <line
+            key={pct}
+            x1={P} y1={sy(maxVal * pct / 100).toFixed(1)}
+            x2={W - P} y2={sy(maxVal * pct / 100).toFixed(1)}
+            stroke="#1f2937" strokeWidth="1"
+          />
+        ))}
+        <polygon points={mkArea(sentData)} fill="#38bdf8" opacity="0.15" />
+        <polyline points={mkLine(sentData)} fill="none" stroke="#38bdf8" strokeWidth="1.5" strokeLinejoin="round" />
+        <polygon points={mkArea(recvData)} fill="#a78bfa" opacity="0.15" />
+        <polyline points={mkLine(recvData)} fill="none" stroke="#a78bfa" strokeWidth="1.5" strokeLinejoin="round" />
+        {tooltip && sentData.length > 0 && (
+          <>
+            <circle cx={sx(tooltip.idx, sentData.length).toFixed(1)} cy={sy(tooltip.sent).toFixed(1)} r="3" fill="#38bdf8" />
+            <circle cx={sx(tooltip.idx, recvData.length).toFixed(1)} cy={sy(tooltip.recv).toFixed(1)} r="3" fill="#a78bfa" />
+          </>
+        )}
+      </svg>
+      {tooltip && (
+        <div className="absolute top-0 left-1/2 -translate-x-1/2 bg-gray-800 border border-gray-700 rounded px-2 py-1 text-xs text-white pointer-events-none flex gap-3" style={{ whiteSpace: 'nowrap' }}>
+          <span className="text-sky-400">↑ {fmtBps((tooltip.sent ?? 0) * 1024)}</span>
+          <span className="text-violet-400">↓ {fmtBps((tooltip.recv ?? 0) * 1024)}</span>
+        </div>
+      )}
+    </div>
+  )
+}
+
+// ─── Carte de stat ────────────────────────────────────────────────────────────
+
+function StatCard({ title, icon, current, average, unit, children }) {
+  return (
+    <div className="bg-gray-900 border border-gray-800 rounded-xl p-4 flex flex-col gap-3">
+      <div className="flex items-center justify-between">
+        <div className="flex items-center gap-2 text-gray-400 text-xs font-medium uppercase tracking-wide">
+          {icon}
+          {title}
+        </div>
+        {average !== undefined && (
+          <span className="text-xs text-gray-600">moy. {average}{unit}</span>
+        )}
+      </div>
+      <div className="text-2xl font-bold tabular-nums">
+        {current}<span className="text-sm font-normal text-gray-500 ml-1">{unit}</span>
+      </div>
+      {children}
+    </div>
+  )
+}
+
+// ─── Modal principal ──────────────────────────────────────────────────────────
+
+export default function StatsModal({ vpsId, vpsName, onClose }) {
+  const [stats, setStats] = useState([])
+  const [loading, setLoading] = useState(true)
+
+  const load = useCallback(async () => {
+    try {
+      const data = await fetchVpsStats(vpsId)
+      setStats(data)
+    } catch { /* silencieux */ }
+    setLoading(false)
+  }, [vpsId])
+
+  useEffect(() => {
+    load()
+    const id = setInterval(load, 5000)
+    return () => clearInterval(id)
+  }, [load])
+
+  const last = stats[stats.length - 1]
+
+  // Séries CPU / RAM
+  const cpuData = stats.map(s => s.cpu)
+  const ramData = stats.map(s => s.ram_percent)
+
+  // Réseau : KB/s pour l'affichage du graphique
+  const sentKB = stats.map(s => s.net_sent_per_sec / 1024)
+  const recvKB = stats.map(s => s.net_recv_per_sec / 1024)
+
+  // Trafic cumulé (delta first → last, bytes depuis démarrage du collecteur)
+  const sessionSent = stats.length > 1
+    ? Math.max(0, stats.at(-1).net_bytes_sent - stats[0].net_bytes_sent)
+    : 0
+  const sessionRecv = stats.length > 1
+    ? Math.max(0, stats.at(-1).net_bytes_recv - stats[0].net_bytes_recv)
+    : 0
+
+  const points = stats.length
+  const windowMin = points > 0 ? `${(points * 5 / 60).toFixed(0)} min` : '—'
+
+  return (
+    <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm p-4">
+      <div className="bg-gray-950 border border-gray-800 rounded-2xl w-full max-w-3xl max-h-[90vh] overflow-y-auto shadow-2xl">
+
+        {/* En-tête */}
+        <div className="flex items-center justify-between px-5 py-4 border-b border-gray-800 sticky top-0 bg-gray-950 z-10">
+          <div className="flex items-center gap-3">
+            <BarChart2 size={18} className="text-indigo-400" />
+            <div>
+              <h2 className="font-semibold text-sm">{vpsName}</h2>
+              <p className="text-xs text-gray-500">
+                {points > 0
+                  ? `${points} points sur ~${windowMin} · collecte toutes les 5 s`
+                  : 'En attente de données…'}
+              </p>
+            </div>
+          </div>
+          <button
+            onClick={onClose}
+            className="p-1.5 rounded-lg hover:bg-gray-800 text-gray-500 hover:text-white transition-colors"
+          >
+            <X size={16} />
+          </button>
+        </div>
+
+        {/* Contenu */}
+        {loading ? (
+          <div className="flex items-center justify-center py-16 text-gray-600 text-sm">
+            Chargement…
+          </div>
+        ) : stats.length === 0 ? (
+          <div className="flex flex-col items-center justify-center py-16 gap-3 text-gray-600 text-sm">
+            <BarChart2 size={32} className="text-gray-700" />
+            Aucune donnée disponible — le collecteur démarre dans quelques secondes.
+          </div>
+        ) : (
+          <div className="p-5 flex flex-col gap-4">
+
+            {/* CPU + RAM */}
+            <div className="grid grid-cols-2 gap-4">
+              <StatCard
+                title="CPU"
+                icon={<Cpu size={12} />}
+                current={last ? last.cpu.toFixed(1) : '—'}
+                average={avg(cpuData)}
+                unit="%"
+              >
+                <Sparkline data={cpuData} min={0} max={100} color="#818cf8" fill="#818cf8" height={56} />
+              </StatCard>
+
+              <StatCard
+                title="RAM"
+                icon={<MemoryStick size={12} />}
+                current={last ? last.ram_percent.toFixed(1) : '—'}
+                average={avg(ramData)}
+                unit="%"
+              >
+                <Sparkline data={ramData} min={0} max={100} color="#34d399" fill="#34d399" height={56} />
+                {last && (
+                  <p className="text-xs text-gray-600 -mt-1">
+                    {fmtRam(last.ram_used)} / {fmtRam(last.ram_total)}
+                  </p>
+                )}
+              </StatCard>
+            </div>
+
+            {/* Bande passante */}
+            <div className="bg-gray-900 border border-gray-800 rounded-xl p-4 flex flex-col gap-3">
+              <div className="flex items-center justify-between">
+                <div className="flex items-center gap-2 text-gray-400 text-xs font-medium uppercase tracking-wide">
+                  <TrendingUp size={12} />
+                  Bande passante
+                </div>
+                {last && (
+                  <div className="flex gap-4 text-xs">
+                    <span className="flex items-center gap-1 text-sky-400">
+                      <ArrowUp size={10} /> {fmtBps(last.net_sent_per_sec)}
+                    </span>
+                    <span className="flex items-center gap-1 text-violet-400">
+                      <ArrowDown size={10} /> {fmtBps(last.net_recv_per_sec)}
+                    </span>
+                  </div>
+                )}
+              </div>
+              <DualSparkline sentData={sentKB} recvData={recvKB} height={64} />
+              <div className="flex gap-4 text-xs text-gray-600">
+                <span className="flex items-center gap-1.5">
+                  <span className="w-2 h-2 rounded-full bg-sky-400 inline-block" />
+                  Upload
+                </span>
+                <span className="flex items-center gap-1.5">
+                  <span className="w-2 h-2 rounded-full bg-violet-400 inline-block" />
+                  Download
+                </span>
+              </div>
+            </div>
+
+            {/* Trafic total session */}
+            <div className="bg-gray-900 border border-gray-800 rounded-xl p-4">
+              <p className="text-xs font-medium uppercase tracking-wide text-gray-500 mb-4">
+                Trafic total (depuis le début de la collecte)
+              </p>
+              <div className="grid grid-cols-2 gap-4">
+                <div className="flex items-center gap-3">
+                  <div className="p-2.5 rounded-xl bg-sky-500/10 flex-shrink-0">
+                    <ArrowUp size={16} className="text-sky-400" />
+                  </div>
+                  <div>
+                    <p className="text-lg font-bold tabular-nums">{fmtBytes(sessionSent)}</p>
+                    <p className="text-xs text-gray-600">Envoyés</p>
+                  </div>
+                </div>
+                <div className="flex items-center gap-3">
+                  <div className="p-2.5 rounded-xl bg-violet-500/10 flex-shrink-0">
+                    <ArrowDown size={16} className="text-violet-400" />
+                  </div>
+                  <div>
+                    <p className="text-lg font-bold tabular-nums">{fmtBytes(sessionRecv)}</p>
+                    <p className="text-xs text-gray-600">Reçus</p>
+                  </div>
+                </div>
+              </div>
+            </div>
+
+          </div>
+        )}
+      </div>
+    </div>
+  )
+}

vps-monitor/frontend/src/components/VpsCard.jsx

@@ -1,4 +1,4 @@
-import { Server, Wifi, WifiOff, Trash2, ChevronDown, ChevronUp, RefreshCw, Cpu, MemoryStick, ArrowUp, ArrowDown, Pencil } from 'lucide-react'
+import { Server, Wifi, WifiOff, Trash2, ChevronDown, ChevronUp, RefreshCw, Cpu, MemoryStick, ArrowUp, ArrowDown, Pencil, BarChart2 } from 'lucide-react'
 import { useState } from 'react'
 import ContainerRow from './ContainerRow'
 import { tagColor } from './TagInput'
@@ -14,7 +14,7 @@ function formatRam(bytes) {
   return `${(bytes / 1024 ** 3).toFixed(1)} GB`
 }
 
-export default function VpsCard({ vps, onAction, onLogs, onDelete, onUpdate, onEdit }) {
+export default function VpsCard({ vps, onAction, onLogs, onDelete, onUpdate, onEdit, onStats }) {
   const [collapsed, setCollapsed] = useState(false)
   const [updatingProject, setUpdatingProject] = useState(null)
 
@@ -62,6 +62,16 @@ export default function VpsCard({ vps, onAction, onLogs, onDelete, onUpdate, onE
             {collapsed ? <ChevronDown size={14} /> : <ChevronUp size={14} />}
           </button>
 
+          {vps.online && (
+            <button
+              onClick={() => onStats(vps.id, vps.name)}
+              className="p-1.5 rounded hover:bg-gray-800 text-gray-500 hover:text-indigo-400 transition-colors"
+              title="Graphiques de performance"
+            >
+              <BarChart2 size={14} />
+            </button>
+          )}
+
           <button
             onClick={() => onEdit(vps)}
             className="p-1.5 rounded hover:bg-gray-800 text-gray-500 hover:text-gray-300 transition-colors"