690419:1831 feat: update CI/CD to use SSH key authentication #05
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# Runbook: รัน k6 Performance Test บน Windows (PowerShell)
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**Target:** ADR-021 T048 — Verify `POST /workflow-engine/instances/:id/transition` P95 ≤ 5s (Clarify Q4)
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**Script:** `scripts/perf/workflow-transition.k6.js`
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---
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## Prerequisites
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- Windows 10/11 + PowerShell 5.1+ (หรือ PowerShell 7+)
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- `curl.exe` (built-in ตั้งแต่ Windows 10 1803+)
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- Backend API รันอยู่ (localhost:3001 หรือ staging URL)
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- ไฟล์ `test-5mb.pdf` (หรือขนาดใกล้เคียง ≤ 10MB)
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---
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## ขั้นที่ 1 — ติดตั้ง k6
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เลือก **1 วิธี**:
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```powershell
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# Chocolatey
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choco install k6
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# winget
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winget install k6.k6
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# หรือ download manual: https://github.com/grafana/k6/releases
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```
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ตรวจสอบ:
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```powershell
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k6 version
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# ควรได้: k6 v0.50.x (หรือใหม่กว่า)
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```
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---
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## ขั้นที่ 2 — เตรียมข้อมูลทดสอบ (ทำครั้งเดียวก่อนรัน)
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### 2.1 Login เอา JWT token
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```powershell
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$baseUrl = "http://localhost:3001"
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$loginBody = '{"username":"admin","password":"YOUR_PASSWORD"}'
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$loginRes = curl.exe -s -X POST "$baseUrl/api/auth/login" `
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-H "Content-Type: application/json" `
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-d $loginBody | ConvertFrom-Json
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$token = $loginRes.data.accessToken
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Write-Host "Token: $token" -ForegroundColor Green
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```
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### 2.2 อัปโหลดไฟล์ทดสอบ (Two-Phase)
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```powershell
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# Phase 1 — Upload (temp)
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$uploadRes = curl.exe -s -X POST "$baseUrl/api/files/upload" `
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-H "Authorization: Bearer $token" `
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-F "file=@test-5mb.pdf" | ConvertFrom-Json
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$tempId = $uploadRes.data.tempId
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$publicId = $uploadRes.data.publicId
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Write-Host "publicId=$publicId" -ForegroundColor Yellow
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# Phase 2 — Commit (is_temporary=false)
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curl.exe -s -X POST "$baseUrl/api/files/commit" `
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-H "Authorization: Bearer $token" `
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-H "Content-Type: application/json" `
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-d "{\""tempId\"":\""$tempId\""}"
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```
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### 2.3 หา Workflow Instance ID
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เลือก **1 วิธี**:
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**วิธี A — Query DB โดยตรง (แนะนำ):**
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```sql
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SELECT id, current_state
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FROM workflow_instances
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WHERE current_state IN ('PENDING_REVIEW', 'PENDING_APPROVAL')
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LIMIT 1;
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```
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**วิธี B — สร้าง RFA ใหม่แล้ว submit:**
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```powershell
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# สร้าง RFA → submit → workflow instance จะอยู่ใน PENDING_REVIEW อัตโนมัติ
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# (ดู backend/test/rfa.e2e-spec.ts สำหรับ payload ตัวอย่าง)
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```
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```powershell
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$instanceId = "<UUID ที่ได้>"
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```
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---
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## ขั้นที่ 3 — ตั้ง Environment Variables
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```powershell
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$env:BASE_URL = "http://localhost:3001"
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$env:USERNAME = "admin"
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$env:PASSWORD = "YOUR_PASSWORD"
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$env:INSTANCE_ID = $instanceId
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$env:ATTACHMENT_UUID = $publicId
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```
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---
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## ขั้นที่ 4 — รัน k6
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```powershell
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# จาก repo root
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k6 run scripts/perf/workflow-transition.k6.js
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```
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### ผลลัพธ์ที่คาดหวัง (Success)
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```
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✓ login successful
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✓ status is 2xx
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✓ duration < 5s (P95 SLA)
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checks.........................: 100.00% ✓ 20 ✗ 0
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http_req_duration..............: avg=2.1s p(95)=3.0s
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✓ transition_duration_ms.........: avg=2102 p(95)=3021
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✓ http_req_failed................: 0.00%
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running (0m22.5s), 0/1 VUs, 10 complete and 0 interrupted iterations
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```
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**ผ่าน SLA** เมื่อเห็น `✓` ที่:
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- `transition_duration_ms.........: p(95) < 5000`
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- `http_req_failed................: rate < 0.01`
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### ตัวอย่าง Failure
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```
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✗ transition_duration_ms
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p(95)=6821 (≥ 5000)
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✗ some iterations failed
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```
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Exit code ≠ 0 → ใช้เป็น CI gate ได้ทันที
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---
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## Troubleshooting
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| อาการ | สาเหตุ | วิธีแก้ |
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|---|---|---|
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| **HTTP 409 Conflict** ตั้งแต่ iter แรก | Instance ไม่อยู่ใน `PENDING_REVIEW`/`PENDING_APPROVAL` | ใช้ SQL ใน 2.3 วิธี A เพื่อหา instance ที่ state ถูกต้อง |
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| **HTTP 409** iter 2+ | iter 1 ทำให้ state เป็น `APPROVED` | (ก) ใช้ workflow DSL ที่ action กลับมา pending ได้ (เช่น `RETURN`) (ข) re-create instance ก่อนรัน |
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| **HTTP 400** "Idempotency-Key required" | Header หาย | ตรวจบรรทัด `'Idempotency-Key': idempotencyKey` ใน script (line ~94) |
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| **HTTP 403 Forbidden** | User ไม่ใช่ assigned handler | login ด้วย superadmin หรือ set `context.assignedUserId` = user_id ของ test user |
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| **Attachment mismatch** | `isTemporary=true` หรือ publicId ซ้ำ | re-run 2.2 เอา publicId ใหม่ทุกครั้ง |
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| **P95 > 5s** ทุก iter | ClamAV scan / Redis ช้า | ตรวจ `docker stats` — ClamAV RAM ≥ 1GB, Redis connection pool ≥ 10 |
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| **Cannot connect** | Backend ไม่รัน / port ชน | `docker compose ps` ตรวจ container healthy |
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---
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## Cleanup (หลังทดสอบ)
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```powershell
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# Reset env vars (ถ้าต้องการ)
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Remove-Item Env:\BASE_URL, Env:\USERNAME, Env:\PASSWORD, `
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Env:\INSTANCE_ID, Env:\ATTACHMENT_UUID
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```
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---
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## Manual Fallback (ไม่มี k6)
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```powershell
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$results = @()
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1..10 | ForEach-Object {
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$idk = [guid]::NewGuid().ToString()
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$body = "{\""action\"":\""APPROVE\"",\""attachmentPublicIds\"":[\""$env:ATTACHMENT_UUID\""]}"
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$sw = [Diagnostics.Stopwatch]::StartNew()
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$status = curl.exe -s -o $null -w "%{http_code}" -X POST `
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"$env:BASE_URL/api/workflow-engine/instances/$env:INSTANCE_ID/transition" `
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-H "Authorization: Bearer $token" `
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-H "Idempotency-Key: $idk" `
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-H "Content-Type: application/json" `
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-d $body
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$sw.Stop()
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$results += [PSCustomObject]@{
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Iter = $_
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Status = $status
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DurationMs = $sw.ElapsedMilliseconds
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}
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}
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$results | Format-Table
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$p95 = ($results.DurationMs | Sort-Object)[[int]([math]::Ceiling($results.Count * 0.95) - 1)]
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Write-Host "P95 = $p95 ms (SLA: < 5000)" -ForegroundColor $(if ($p95 -lt 5000) {'Green'} else {'Red'})
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```
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---
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## Sign-off Checklist
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- [ ] k6 run exit code = 0
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- [ ] `transition_duration_ms p(95) < 5000` ✓
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- [ ] `http_req_failed rate < 0.01` ✓
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- [ ] ทดสอบทั้ง 4 modules: RFA, Transmittal, Circulation, Correspondence (1 ครั้ง/module)
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- [ ] ทดสอบซ้ำบน staging environment (ไม่ใช่เฉพาะ localhost)
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- [ ] บันทึกผลลัพธ์ใน `specs/88-logs/perf-YYYY-MM-DD.md`
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**Sign-off ที่ staging = ปิด T048 ได้จริง**
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