시스템 모니터

frontend/anomaly/baseline.vue

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+<template>
+  <div class="app-layout">
+    <SidebarNav />
+    <div class="main-content">
+      <header class="main-header">
+        <h1 class="page-title">🕐 시간대별 베이스라인</h1>
+        <div class="header-actions">
+          <span class="context-badge">{{ context.day_type_label }} {{ context.current_hour }}시</span>
+          <button class="btn btn-primary" @click="refresh" :disabled="loading">
+            {{ loading ? '분석 중...' : '🔄 새로고침' }}
+          </button>
+        </div>
+      </header>
+      
+      <main class="main-body">
+        <!-- 접히는 설명 카드 -->
+        <div class="info-card collapsible" :class="{ collapsed: infoCollapsed }">
+          <div class="info-header" @click="infoCollapsed = !infoCollapsed">
+            <h3>📖 시간대별 베이스라인이란?</h3>
+            <span class="collapse-icon">{{ infoCollapsed ? '▼' : '▲' }}</span>
+          </div>
+          <div class="info-content" v-show="!infoCollapsed">
+            <p class="desc">
+              과거 2주간 동일 시간대(평일/주말 구분)의 데이터를 기반으로 베이스라인을 구축하고, 현재 값이 정상 범위를 벗어났는지 감지합니다.<br>
+              <code>편차 = (현재값 - 베이스라인평균) / 표준편차</code> | |편차| ≥ 2.0: 주의, |편차| ≥ 3.0: 위험
+            </p>
+            <div class="pros-cons">
+              <div class="pros">
+                <h4>✅ 장점</h4>
+                <ul>
+                  <li>시간대별 패턴을 반영 (업무시간 vs 야간)</li>
+                  <li>평소보다 "낮은" 값도 감지 가능</li>
+                  <li>배치 작업 등 정기 패턴 오탐 방지</li>
+                </ul>
+              </div>
+              <div class="cons">
+                <h4>❌ 단점</h4>
+                <ul>
+                  <li>최소 1~2주 데이터 필요</li>
+                  <li>운영 패턴 변경 시 재학습 필요</li>
+                  <li>구현 및 유지보수 복잡</li>
+                </ul>
+              </div>
+            </div>
+          </div>
+        </div>
+
+        <!-- 조회기간 + 차트/테이블 영역 -->
+        <div class="content-section">
+          <div class="period-row">
+            <span class="period-label">조회 기간</span>
+            <div class="period-buttons">
+              <button 
+                v-for="p in periods" 
+                :key="p.value"
+                :class="['period-btn', { active: selectedPeriod === p.value }]"
+                @click="changePeriod(p.value)"
+              >{{ p.label }}</button>
+            </div>
+          </div>
+          
+          <div class="chart-table-grid">
+            <div class="chart-section">
+              <h3>📈 이상감지 추이</h3>
+              <div class="chart-container">
+                <canvas ref="chartRef"></canvas>
+              </div>
+            </div>
+            
+            <div class="table-section">
+              <h3>📋 현재 베이스라인 비교</h3>
+              <table class="data-table compact">
+                <thead>
+                  <tr>
+                    <th>서버</th>
+                    <th>CPU (σ)</th>
+                    <th>MEM (σ)</th>
+                    <th>상태</th>
+                  </tr>
+                </thead>
+                <tbody>
+                  <tr v-for="server in allServers" :key="server.target_id">
+                    <td class="server-name">{{ server.server_name }}</td>
+                    <td :class="getDeviationClass(server.cpu_deviation)">{{ formatDeviation(server.cpu_current, server.cpu_deviation) }}</td>
+                    <td :class="getDeviationClass(server.mem_deviation)">{{ formatDeviation(server.mem_current, server.mem_deviation) }}</td>
+                    <td><span :class="['status-dot', server.status]"></span></td>
+                  </tr>
+                </tbody>
+              </table>
+            </div>
+          </div>
+        </div>
+
+        <!-- 이상감지 로그 -->
+        <div class="log-section">
+          <div class="log-header">
+            <h3>📜 이상감지 로그</h3>
+            <span class="log-count" v-if="logs.length">{{ logs.length }}건</span>
+          </div>
+          
+          <div v-if="logs.length === 0" class="no-logs">
+            이상감지 기록이 없습니다
+          </div>
+          
+          <div v-else class="log-list">
+            <div 
+              v-for="log in logs" 
+              :key="log.id" 
+              :class="['log-item', log.level]"
+            >
+              <span class="log-time">{{ formatLogTime(log.detected_at) }}</span>
+              <span :class="['log-level', log.level]">{{ log.level === 'danger' ? '🔴' : '🟡' }}</span>
+              <span class="log-server">{{ log.server_name }}</span>
+              <span class="log-metric">{{ log.metric }}</span>
+              <span class="log-value">σ={{ log.threshold_value?.toFixed(1) }}</span>
+              <span class="log-msg">{{ log.message }}</span>
+            </div>
+          </div>
+        </div>
+      </main>
+    </div>
+  </div>
+</template>
+
+
+<script setup lang="ts">
+import { Chart, registerables } from 'chart.js'
+Chart.register(...registerables)
+
+interface ServerBaseline {
+  target_id: number
+  server_name: string
+  cpu_current: number | null
+  mem_current: number | null
+  cpu_deviation: number | null
+  mem_deviation: number | null
+  status: string
+}
+
+interface AnomalyLog {
+  id: number
+  server_name: string
+  metric: string
+  level: string
+  threshold_value: number
+  message: string
+  detected_at: string
+}
+
+const loading = ref(false)
+const infoCollapsed = ref(true)
+const allServers = ref<ServerBaseline[]>([])
+const logs = ref<AnomalyLog[]>([])
+const chartRef = ref<HTMLCanvasElement | null>(null)
+const context = ref({ current_hour: 0, day_type: 'weekday', day_type_label: '평일' })
+let chart: Chart | null = null
+
+const selectedPeriod = ref('24h')
+const periods = [
+  { value: '1h', label: '1시간' },
+  { value: '6h', label: '6시간' },
+  { value: '12h', label: '12시간' },
+  { value: '24h', label: '24시간' },
+  { value: '7d', label: '7일' },
+  { value: '30d', label: '30일' }
+]
+
+
+async function refresh() {
+  loading.value = true
+  try {
+    const statusRes = await $fetch('/api/anomaly/baseline')
+    allServers.value = statusRes.servers || []
+    context.value = statusRes.context || { current_hour: 0, day_type: 'weekday', day_type_label: '평일' }
+    
+    const logRes = await $fetch(`/api/anomaly/logs?type=baseline&period=${selectedPeriod.value}`)
+    logs.value = logRes.logs || []
+    
+    const chartRes = await $fetch(`/api/anomaly/chart?type=baseline&period=${selectedPeriod.value}`)
+    updateChart(chartRes.data || [])
+  } catch (e) {
+    console.error('Failed to fetch data:', e)
+  } finally {
+    loading.value = false
+  }
+}
+
+function changePeriod(period: string) {
+  selectedPeriod.value = period
+  refresh()
+}
+
+function updateChart(data: any[]) {
+  if (!chartRef.value) return
+  if (chart) chart.destroy()
+  
+  chart = new Chart(chartRef.value, {
+    type: 'bar',
+    data: {
+      labels: data.map(d => d.time),
+      datasets: [
+        { label: 'Warning', data: data.map(d => d.warning), backgroundColor: '#fbbf24', borderRadius: 4 },
+        { label: 'Danger', data: data.map(d => d.danger), backgroundColor: '#ef4444', borderRadius: 4 }
+      ]
+    },
+    options: {
+      responsive: true,
+      maintainAspectRatio: false,
+      plugins: { legend: { position: 'top', labels: { boxWidth: 12, font: { size: 11 } } } },
+      scales: {
+        x: { stacked: true, grid: { display: false }, ticks: { font: { size: 10 } } },
+        y: { stacked: true, beginAtZero: true, ticks: { stepSize: 1, font: { size: 10 } } }
+      }
+    }
+  })
+}
+
+function getDeviationClass(dev: number | null): string {
+  if (dev === null) return ''
+  const abs = Math.abs(dev)
+  if (abs >= 3) return 'dev-danger'
+  if (abs >= 2) return 'dev-warning'
+  return ''
+}
+
+function formatDeviation(current: number | null, dev: number | null): string {
+  if (current === null || dev === null) return '-'
+  return `${current.toFixed(0)}% (${dev >= 0 ? '+' : ''}${dev.toFixed(1)})`
+}
+
+function formatLogTime(dateStr: string): string {
+  const date = new Date(dateStr)
+  return date.toLocaleTimeString('ko-KR', { hour: '2-digit', minute: '2-digit', second: '2-digit' })
+}
+
+onMounted(() => { refresh() })
+onUnmounted(() => { if (chart) chart.destroy() })
+</script>
+
+
+<style scoped>
+.app-layout { display: flex; height: 100vh; background: var(--bg-primary); }
+.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
+.main-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 24px; border-bottom: 1px solid var(--border-color); background: var(--bg-secondary); }
+.page-title { margin: 0; font-size: 20px; font-weight: 600; color: var(--text-primary); }
+.header-actions { display: flex; align-items: center; gap: 12px; }
+.context-badge { background: #dbeafe; color: #1e40af; padding: 6px 12px; border-radius: 6px; font-size: 13px; font-weight: 500; }
+.main-body { flex: 1; padding: 20px 24px; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; }
+
+.btn { padding: 8px 16px; border: none; border-radius: 6px; cursor: pointer; font-size: 14px; }
+.btn-primary { background: #3b82f6; color: white; }
+.btn-primary:hover { background: #2563eb; }
+.btn-primary:disabled { background: #93c5fd; cursor: not-allowed; }
+
+.info-card { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; }
+.info-header { display: flex; justify-content: space-between; align-items: center; padding: 14px 20px; cursor: pointer; }
+.info-header:hover { background: var(--bg-tertiary); }
+.info-header h3 { margin: 0; font-size: 15px; color: var(--text-primary); }
+.collapse-icon { color: var(--text-muted); font-size: 12px; }
+.info-content { padding: 0 20px 16px; }
+.info-content .desc { color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; font-size: 13px; }
+.info-content code { background: var(--bg-tertiary); padding: 2px 6px; border-radius: 4px; font-size: 12px; }
+
+.pros-cons { display: flex; gap: 16px; }
+.pros, .cons { flex: 1; padding: 12px; border-radius: 8px; }
+.pros { background: #f0fdf4; border: 1px solid #86efac; }
+.cons { background: #fef2f2; border: 1px solid #fca5a5; }
+.pros h4, .cons h4 { margin: 0 0 8px 0; font-size: 13px; }
+.pros ul, .cons ul { margin: 0; padding-left: 18px; font-size: 12px; color: var(--text-secondary); }
+
+.content-section { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 12px; padding: 16px; }
+.period-row { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--border-color); }
+.period-label { font-size: 13px; font-weight: 500; color: var(--text-muted); }
+.period-buttons { display: flex; gap: 6px; }
+.period-btn { padding: 6px 12px; border: 1px solid var(--border-color); border-radius: 6px; background: var(--bg-primary); color: var(--text-secondary); font-size: 12px; cursor: pointer; }
+.period-btn:hover { background: var(--bg-tertiary); }
+.period-btn.active { background: #3b82f6; color: white; border-color: #3b82f6; }
+
+.chart-table-grid { display: grid; grid-template-columns: 1fr 300px; gap: 16px; }
+.chart-section, .table-section { background: var(--bg-primary); border: 1px solid var(--border-color); border-radius: 8px; padding: 12px; }
+.chart-section h3, .table-section h3 { margin: 0 0 12px 0; font-size: 14px; color: var(--text-primary); }
+.chart-container { height: 200px; }
+
+.data-table.compact { width: 100%; border-collapse: collapse; font-size: 12px; }
+.data-table.compact th, .data-table.compact td { padding: 8px 6px; text-align: left; border-bottom: 1px solid var(--border-color); }
+.data-table.compact th { font-size: 11px; font-weight: 600; color: var(--text-muted); background: var(--bg-tertiary); }
+.data-table.compact .server-name { font-weight: 500; max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+
+.dev-warning { color: #ca8a04 !important; font-weight: 500; }
+.dev-danger { color: #dc2626 !important; font-weight: 600; }
+
+.status-dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
+.status-dot.normal { background: #22c55e; }
+.status-dot.warning { background: #f59e0b; }
+.status-dot.danger { background: #ef4444; }
+.status-dot.insufficient { background: #9ca3af; }
+
+.log-section { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 12px; padding: 16px; flex: 1; min-height: 200px; }
+.log-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
+.log-header h3 { margin: 0; font-size: 14px; color: var(--text-primary); }
+.log-count { font-size: 12px; color: var(--text-muted); background: var(--bg-tertiary); padding: 2px 8px; border-radius: 10px; }
+
+.no-logs { text-align: center; padding: 40px; color: var(--text-muted); font-size: 13px; }
+
+.log-list { max-height: 300px; overflow-y: auto; }
+.log-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 6px; margin-bottom: 4px; font-size: 12px; }
+.log-item.warning { background: #fefce8; }
+.log-item.danger { background: #fef2f2; }
+.log-time { color: var(--text-muted); font-family: monospace; min-width: 70px; }
+.log-level { font-size: 14px; }
+.log-server { font-weight: 600; color: var(--text-primary); min-width: 80px; }
+.log-metric { color: var(--text-secondary); min-width: 50px; }
+.log-value { font-weight: 600; min-width: 50px; }
+.log-item.warning .log-value { color: #ca8a04; }
+.log-item.danger .log-value { color: #dc2626; }
+.log-msg { color: var(--text-muted); flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+</style>