- Replace nginx+Chart.js client-side dashboard with Go server - Server-side rendered SVG charts (donut, line charts) - Direct Docker socket integration via Go stdlib - Embedded HTML template via //go:embed - Minimal scratch image (~9MB total) - Remove nginx.conf and client-side Chart.js
221 lines
8.9 KiB
HTML
221 lines
8.9 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Hub Dashboard</title>
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<style>
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*{margin:0;padding:0;box-sizing:border-box}
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body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;background:#0d1117;color:#e6edf3;line-height:1.5}
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.header{display:flex;justify-content:space-between;align-items:center;padding:14px 24px;border-bottom:1px solid #30363d;background:#161b22;position:sticky;top:0;z-index:100}
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.hl{display:flex;align-items:center;gap:12px}
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.hl .logo{width:30px;height:30px;border-radius:7px;background:linear-gradient(135deg,#58a6ff,#bc8cff);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px;color:#fff}
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.hl h1{font-size:17px;font-weight:600}
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.hl .sub{color:#8b949e;font-size:12px}
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.hr{display:flex;align-items:center;gap:14px}
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.hb{display:flex;align-items:center;gap:6px;font-size:12px;padding:4px 14px;border-radius:20px;font-weight:500}
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.hb.g{background:rgba(63,185,80,0.12);color:#3fb950}
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.hb.y{background:rgba(210,153,34,0.12);color:#d29922}
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.hb.r{background:rgba(248,81,73,0.12);color:#f85149}
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.hb .dot{width:8px;height:8px;border-radius:50%}
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.hb.g .dot{background:#3fb950}
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.hb.y .dot{background:#d29922}
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.hb.r .dot{background:#f85149}
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.upd{color:#6e7681;font-size:11px}
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.c{max-width:1440px;margin:0 auto;padding:16px 24px}
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.g{display:grid;gap:14px;grid-template-columns:repeat(12,1fr)}
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.card{background:#161b22;border:1px solid #30363d;border-radius:8px;padding:16px}
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.ch{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
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.ch h2{font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:0.06em;color:#8b949e}
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.ch .b{font-size:10px;background:#1c2333;padding:2px 10px;border-radius:10px;color:#8b949e}
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.sg{display:grid;gap:5px;grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
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.st{display:flex;align-items:center;gap:7px;padding:7px 9px;border:1px solid #30363d;border-radius:6px;font-size:12px;transition:all .15s}
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.st:hover{background:#1c2333}
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.st .i{width:7px;height:7px;border-radius:50%;flex-shrink:0}
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.st .i.g{background:#3fb950}
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.st .i.r{background:#f85149}
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.st .i.y{background:#d29922}
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.st .i.b{background:#58a6ff}
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.st .n{font-family:'SF Mono','Fira Code',monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
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.sg2{display:grid;grid-template-columns:1fr 1fr;gap:7px}
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.sb{background:#1c2333;border-radius:6px;padding:12px 8px;text-align:center}
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.sv{font-size:22px;font-weight:700;font-family:'SF Mono',monospace}
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.sl{font-size:10px;color:#8b949e;margin-top:2px;text-transform:uppercase;letter-spacing:.04em}
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.sv.a{color:#58a6ff}.sv.g{color:#3fb950}.sv.r{color:#f85149}.sv.y{color:#d29922}
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.links{display:flex;flex-wrap:wrap;gap:5px}
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.links a{color:#58a6ff;text-decoration:none;font-size:11px;padding:4px 10px;border:1px solid #30363d;border-radius:6px;transition:all .15s}
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.links a:hover{background:#1c2333;border-color:#58a6ff}
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.tl{list-style:none}
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.ti{padding:7px 0;border-bottom:1px solid #30363d;font-size:12px;display:flex;justify-content:space-between;align-items:center}
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.ti:last-child{border-bottom:none}
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.tl .ts{font-weight:500}
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.tl .to{color:#8b949e;font-size:11px;font-family:'SF Mono','Fira Code',monospace;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:280px}
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.tt{display:flex;gap:10px;font-size:11px;color:#8b949e;flex-shrink:0;align-items:center}
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.td{font-family:'SF Mono',monospace;font-weight:500;color:#58a6ff}
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.te{color:#f85149}
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.chart{display:flex;justify-content:center}
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.no-data{text-align:center;padding:30px 0;color:#6e7681;font-size:13px}
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.em{text-align:center;padding:20px;color:#6e7681;font-size:12px}
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@media(max-width:900px){
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.g{grid-template-columns:1fr}
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.sg2{grid-template-columns:1fr 1fr}
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.sg{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}
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.header{flex-direction:column;align-items:flex-start;gap:8px}
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}
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</style>
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</head>
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<body>
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<div class="header">
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<div class="hl">
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<div class="logo">H</div>
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<div>
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<h1>{{.SystemName}}</h1>
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<div class="sub">System Dashboard</div>
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</div>
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</div>
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<div class="hr">
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{{if eq .TotalDown 0}}
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<span class="hb g"><span class="dot"></span> All Systems Operational</span>
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{{else if lt .TotalDown 3}}
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<span class="hb y"><span class="dot"></span> {{.TotalDown}} degraded</span>
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{{else}}
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<span class="hb r"><span class="dot"></span> {{.TotalDown}} services down</span>
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{{end}}
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<span class="upd" id="ts"></span>
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</div>
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</div>
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<div class="c">
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<div class="g">
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<!-- Services -->
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<div class="card" style="grid-column:span 4">
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<div class="ch"><h2>Services</h2><span class="b">{{len .Services}}</span></div>
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<div class="sg">
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{{range .Services}}
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<div class="st">
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<span class="i {{if eq .State "running"}}g{{else if eq .State "jaeger"}}b{{else}}r{{end}}"></span>
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<span class="n">{{.Name}}</span>
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</div>
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{{else}}
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<div class="em">No services found</div>
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{{end}}
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</div>
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</div>
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<!-- Overview -->
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<div class="card" style="grid-column:span 2">
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<div class="ch"><h2>Overview</h2></div>
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<div class="sg2">
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<div class="sb"><div class="sv a">{{len .Services}}</div><div class="sl">Total</div></div>
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<div class="sb"><div class="sv a">{{.Running}}</div><div class="sl">Healthy</div></div>
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<div class="sb"><div class="sv g">{{if .Traces}}{{printf "%.0f" (index .Traces (sub (len .Traces) 1))}}{{else}}0{{end}}</div><div class="sl">Traces</div></div>
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<div class="sb"><div class="sv r">{{if .Errors}}{{printf "%.0f" (index .Errors (sub (len .Errors) 1))}}{{else}}0{{end}}</div><div class="sl">Errors</div></div>
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</div>
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</div>
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<!-- Health Donut (server-side SVG) -->
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<div class="card" style="grid-column:span 3">
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<div class="ch"><h2>Health</h2></div>
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<div class="chart">{{.HealthSVG}}</div>
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</div>
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<!-- Quick Links -->
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<div class="card" style="grid-column:span 3">
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<div class="ch"><h2>Links</h2></div>
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<div class="links">
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<a href="/jaeger" target="_blank">Jaeger UI</a>
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<a href="/api/prometheus/targets" target="_blank">Prometheus</a>
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<a href="https://github.com/asepharyana/asepharyana-hub" target="_blank">GitHub</a>
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{{$domain := "asepharyana.my.id"}}
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{{range .Services}}
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{{if and (ne .Name "jaeger") (ne .Name "traefik") (ne .Name "dashboard") (ne .Name "redis") (ne .Name "nats") (ne .Name "prometheus") (ne .Name "otel-collector") (not (hasSuffix .Name "-dapr"))}}
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<a href="https://{{.Name}}.{{$domain}}" target="_blank">{{.Name}}</a>
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{{end}}
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{{end}}
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</div>
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</div>
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<!-- Request Rate -->
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<div class="card" style="grid-column:span 4">
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<div class="ch"><h2>Request Rate</h2><span class="b">{{if .RPS}}{{printf "%.1f" (index .RPS (sub (len .RPS) 1))}}/s{{else}}-{{end}}</span></div>
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<div class="chart">{{.RPSSVG}}</div>
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</div>
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<!-- Latency -->
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<div class="card" style="grid-column:span 4">
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<div class="ch"><h2>Latency</h2><span class="b">{{if .Latency}}{{printf "%.0f" (index .Latency (sub (len .Latency) 1))}}ms{{else}}-{{end}}</span></div>
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<div class="chart">{{.LatencySVG}}</div>
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</div>
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<!-- Error Rate -->
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<div class="card" style="grid-column:span 4">
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<div class="ch"><h2>Error Rate</h2><span class="b">{{if .Errors}}{{printf "%.1f" (index .Errors (sub (len .Errors) 1))}}/s{{else}}-{{end}}</span></div>
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<div class="chart">{{.ErrorSVG}}</div>
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</div>
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<!-- Trace Volume -->
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<div class="card" style="grid-column:span 6">
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<div class="ch"><h2>Trace Volume</h2><span class="b">{{.TraceCount}} traces</span></div>
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<div class="chart">{{.TraceSVG}}</div>
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</div>
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<!-- Recent Traces -->
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<div class="card" style="grid-column:span 6">
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<div class="ch"><h2>Recent Traces</h2><span class="b">{{.TraceCount}}</span></div>
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<div class="tl">
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{{if .Traces}}
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<div id="tl">
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{{range .Traces}}
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<div class="ti">
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<div>
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<div class="ts">{{.Service}}</div>
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<div class="to">{{.Operation}}</div>
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</div>
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<div class="tt">
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<span class="td">{{safeDur .Duration}}</span>
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<span>{{.Spans}} spans</span>
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{{if .HasError}}<span class="te">error</span>{{end}}
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</div>
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</div>
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{{end}}
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</div>
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{{else}}
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<div class="em">No traces in the last 5 minutes</div>
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{{end}}
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</div>
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</div>
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</div>
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</div>
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<script>
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// Auto-refresh every 15s (no JS charts — server-side SVGs)
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function refresh() {
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fetch('/', {headers:{'X-Requested-With':'XMLHttpRequest'}})
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.then(r => r.text())
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.then(html => {
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document.open();
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document.write(html);
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document.close();
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})
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.catch(() => {});
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}
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document.getElementById('ts').textContent = 'updated ' + new Date().toLocaleTimeString();
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setInterval(() => { document.getElementById('ts').textContent = 'updated ' + new Date().toLocaleTimeString(); }, 1000);
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setTimeout(() => location.reload(), 15000);
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</script>
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</body>
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</html>
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