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aio-01d4-stu/Last3Mon/79/answers/79-lab01-challenge2-sources.json
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{
"name": "79 Ops facts + sources down (answer)",
"nodes": [
{
"name": "Facts webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 2,
"parameters": {
"httpMethod": "POST",
"path": "my-ops-facts",
"responseMode": "responseNode",
"options": {}
},
"webhookId": "663cb969-bc5a-52e7-929e-7e0161c2806d",
"position": [
0,
300
],
"id": "9bcf9913-ebc6-5ee9-af9d-284d07aa672e"
},
{
"name": "Get logs",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/logs/query",
"options": {},
"method": "POST",
"sendBody": true,
"specifyBody": "json",
"jsonBody": "={{ JSON.stringify({ from: $('Facts webhook').first().json.body?.from || '2026-10-26', to: $('Facts webhook').first().json.body?.to || '2026-10-30' }) }}"
},
"position": [
220,
300
],
"id": "2901463b-a9cd-5a60-a507-ee5d8c7e427b"
},
{
"name": "Get alerts",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/alerts",
"options": {
"response": {
"response": {
"neverError": true
}
}
}
},
"position": [
440,
300
],
"id": "83c33a5b-211d-5df2-812f-213bb1475e0d"
},
{
"name": "Get DLQ",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/dlq",
"options": {
"response": {
"response": {
"neverError": true
}
}
}
},
"position": [
660,
300
],
"id": "d4d021cb-61a5-57c7-acee-442d5a61c08a"
},
{
"name": "Get quality",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/quality-log",
"options": {
"response": {
"response": {
"neverError": true
}
}
}
},
"position": [
880,
300
],
"id": "868d3302-7097-5d73-bf80-23bd45e6872e"
},
{
"name": "Get quarantine",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/quarantine",
"options": {
"response": {
"response": {
"neverError": true
}
}
}
},
"position": [
1100,
300
],
"id": "d6269b34-e578-5ee4-b7fe-3db2a9caead9"
},
{
"name": "Get usage",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/usage/summary",
"options": {
"response": {
"response": {
"neverError": true
}
}
}
},
"position": [
1320,
300
],
"id": "8b616d0e-c4ae-586a-bde6-5030bf878fb7"
},
{
"name": "Get budget",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/budget",
"options": {
"response": {
"response": {
"neverError": true
}
}
}
},
"position": [
1540,
300
],
"id": "9b25971c-75c1-5f81-8aa2-6e186fa1aa98"
},
{
"name": "Get release",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.2,
"parameters": {
"url": "http://data-api:8800/releases/helpdesk",
"options": {
"response": {
"response": {
"neverError": true
}
}
}
},
"position": [
1760,
300
],
"id": "cf9221dc-d0d7-5b8a-8a59-027c2ea4a040"
},
{
"name": "Make facts",
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"parameters": {
"jsCode": "const body = $('Facts webhook').first().json.body ?? {};\nconst from = body.from || '2026-10-26', to = body.to || '2026-10-30';\nconst r4 = (v) => Math.round(v * 10000) / 10000;\nconst logs = $('Get logs').first().json.logs ?? [];\nconst total = logs.length, errors = logs.filter((l) => l.status === 'error').length;\nconst d = logs.map((l) => l.duration_ms).sort((a, b) => a - b);\nconst p95 = d.length ? d[Math.max(0, Math.ceil(0.95 * d.length) - 1)] : 0;\nconst groups = {};\nfor (const l of logs.filter((x) => x.status === 'error')) { const k = l.error_node + '\\u0000' + l.error_message; groups[k] = (groups[k] ?? 0) + 1; }\nconst top = Object.entries(groups).sort((a, b) => b[1] - a[1])[0];\nconst rel = {};\nfor (const l of logs.filter((x) => x.route === '자동 답변')) { const x = (rel[l.release] ??= { answers: 0, repeats: 0 }); x.answers += 1; if (l.repeat) x.repeats += 1; }\nconst rate = (name) => rel[name] ? r4(rel[name].repeats / rel[name].answers) : null;\nconst alerts = $('Get alerts').first().json.alerts ?? [];\nconst byReason = {};\nfor (const a of alerts) byReason[a.reason ?? 'unknown'] = (byReason[a.reason ?? 'unknown'] ?? 0) + 1;\nconst dlq = $('Get DLQ').first().json.items ?? [];\nconst q = $('Get quality').first().json.items ?? [];\nconst quarantine = $('Get quarantine').first().json.size ?? 0;\nconst usage = $('Get usage').first().json, budget = $('Get budget').first().json;\nconst down = [];\nif (!Array.isArray($('Get alerts').first().json.alerts)) down.push('alerts');\nif (!Array.isArray($('Get DLQ').first().json.items)) down.push('dlq');\nif (!Array.isArray($('Get quality').first().json.items) || typeof $('Get quarantine').first().json.size !== 'number') down.push('quality');\nif (typeof usage.cost_usd !== 'number' || typeof budget.daily_usd !== 'number') down.push('cost');\nif (!('active' in ($('Get release').first().json ?? {}))) down.push('release');\nconst users = Object.entries(usage.by_user ?? {}).sort((a, b) => b[1].cost_usd - a[1].cost_usd);\nconst release = $('Get release').first().json;\nconst facts = {\n period: { from, to },\n runs: { total, errors, error_rate: total ? r4(errors / total) : 0, p95_ms: p95,\n unanswered_rate: total ? r4(logs.filter((l) => l.route === '담당자 연결').length / total) : 0,\n top_failure: top ? { node: top[0].split('\\u0000')[0], message: top[0].split('\\u0000')[1], count: top[1] } : null },\n alerts: { count: alerts.length, high: alerts.filter((a) => a.severity === 'high').length, by_reason: byReason },\n dlq: { size: dlq.length, parked: dlq.filter((x) => x.parked).length, waiting: dlq.filter((x) => !x.parked).length },\n quality: { batches: q.length, avg_score: q.length ? r4(q.reduce((s, x) => s + x.score, 0) / q.length) : 0,\n last_score: q.length ? q.at(-1).score : null, rejected_batches: q.filter((x) => x.rejected).length, quarantine },\n cost: { requests: usage.requests ?? 0, calls: usage.calls ?? 0, cost_usd: Math.round((usage.cost_usd ?? 0) * 1e6) / 1e6,\n daily_usd: budget.daily_usd, used_ratio: budget.daily_usd ? r4(budget.used_usd / budget.daily_usd) : 0,\n top_user: users.length ? { user: users[0][0], cost_usd: Math.round(users[0][1].cost_usd * 1e6) / 1e6, share: r4(users[0][1].cost_usd / usage.cost_usd) } : null },\n release: { active: release.active, canary_release: release.canary?.release ?? null, canary_percent: release.canary?.percent ?? 0,\n active_repeat_rate: rate(release.active), canary_repeat_rate: release.canary ? rate(release.canary.release) : null },\n};\nfor (const k of down) facts[k] = null;\nfacts.sources_down = down;\nconst s = (red, yellow) => (red ? 'red' : yellow ? 'yellow' : 'green');\nconst f = { ...facts, ...Object.fromEntries(down.map((k) => [k, {}])) };\nconst canaryBad = Boolean(f.release?.canary_release) && f.release.canary_repeat_rate !== null && f.release.active_repeat_rate !== null\n && f.release.canary_repeat_rate > 2 * f.release.active_repeat_rate;\nconst health0 = {\n runs: s(f.runs.error_rate > 0.01, f.runs.unanswered_rate > 0.02),\n alerts: s(f.alerts.high >= 5, f.alerts.count >= 1),\n dlq: s(f.dlq.parked > 0, f.dlq.size > 0),\n quality: s(f.quality.last_score !== null && f.quality.last_score < 0.8, (f.quality.last_score !== null && f.quality.last_score < 0.9) || f.quality.quarantine > 0),\n cost: s(f.cost.used_ratio >= 1, f.cost.used_ratio >= 0.8),\n release: s(canaryBad, Boolean(f.release.canary_release)),\n};\nconst order = ['runs', 'alerts', 'dlq', 'quality', 'cost', 'release'];\nconst health = Object.fromEntries(order.map((k) => [k, down.includes(k) ? 'unknown' : health0[k]]));\nfacts.health = health;\nfacts.red = order.filter((k) => health[k] === 'red');\nfacts.yellow = order.filter((k) => health[k] === 'yellow');\nfacts.unknown = order.filter((k) => health[k] === 'unknown');\nfacts.overall = facts.red.length ? 'red' : (facts.yellow.length || facts.unknown.length) ? 'yellow' : 'green';\nreturn [{ json: facts }];"
},
"position": [
1980,
300
],
"id": "6ea60af4-425b-593d-b50e-d6219a4cb3e0"
},
{
"name": "Send facts",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1.1,
"parameters": {
"respondWith": "json",
"responseBody": "={{ $json }}",
"options": {}
},
"position": [
2200,
300
],
"id": "e38da5f3-bc63-5f44-b2dd-4689706c462c"
}
],
"connections": {
"Facts webhook": {
"main": [
[
{
"node": "Get logs",
"type": "main",
"index": 0
}
]
]
},
"Get logs": {
"main": [
[
{
"node": "Get alerts",
"type": "main",
"index": 0
}
]
]
},
"Get alerts": {
"main": [
[
{
"node": "Get DLQ",
"type": "main",
"index": 0
}
]
]
},
"Get DLQ": {
"main": [
[
{
"node": "Get quality",
"type": "main",
"index": 0
}
]
]
},
"Get quality": {
"main": [
[
{
"node": "Get quarantine",
"type": "main",
"index": 0
}
]
]
},
"Get quarantine": {
"main": [
[
{
"node": "Get usage",
"type": "main",
"index": 0
}
]
]
},
"Get usage": {
"main": [
[
{
"node": "Get budget",
"type": "main",
"index": 0
}
]
]
},
"Get budget": {
"main": [
[
{
"node": "Get release",
"type": "main",
"index": 0
}
]
]
},
"Get release": {
"main": [
[
{
"node": "Make facts",
"type": "main",
"index": 0
}
]
]
},
"Make facts": {
"main": [
[
{
"node": "Send facts",
"type": "main",
"index": 0
}
]
]
}
},
"settings": {
"executionOrder": "v1"
}
}