Quiz tổng hợp

1## Health Check Monitoring Workflow
2 
3### Tổng quan:
4Cron Trigger (5 phút) → HTTP Request (3 services)
5→ IF (status ≠ 200) → Gửi cảnh báo + Log
6 
7### Chi tiết workflow:
8 
9NODE 1 — Cron Trigger:
10- Cấu hình: Every 5 minutes
11- Mode: "Every X minutes" = 5
12 
13NODE 2 — HTTP Request (Service 1):
14- Method: GET
15- URL: https://api.service1.com/health
16- Options: Timeout = 10 giây
17- Settings: Continue On Fail = true
18  (để workflow không dừng khi service down)
19 
20NODE 3 — HTTP Request (Service 2):
21- Tương tự Node 2, URL: https://api.service2.com/health
22- Chạy song song với Node 2
23 
24NODE 4 — HTTP Request (Service 3):
25- Tương tự, URL: https://api.service3.com/health
26 
27NODE 5 — Merge Node:
28- Mode: Append
29- Gộp kết quả từ 3 HTTP Request nodes
30 
31NODE 6 — IF Node:
32- Condition: {{ $json.statusCode }} !== 200
33  OR {{ $json.error }} is not empty
34- True branch → gửi cảnh báo
35- False branch → không làm gì (all services OK)
36 
37NODE 7 — Slack/Telegram (True branch):
38- Message template:
39  "🚨 SERVICE DOWN ALERT
40   Service: {{ $json.url }}
41   Status: {{ $json.statusCode }}
42   Error: {{ $json.error }}
43   Time: {{ $now.format('DD/MM/YYYY HH:mm:ss') }}"
44 
45NODE 8 — Google Sheets (Log):
46- Lưu lại lịch sử downtime
47- Columns: Timestamp | Service | Status | Error
48 
49### Error Handling:
50- Bật Retry On Fail cho HTTP nodes: 2 retries, 3s wait
51- Error Trigger workflow gửi email nếu workflow
52  monitoring bị fail

1## Product Data Pipeline Workflow
2 
3### Tổng quan:
4Webhook/Cron → HTTP Request (Get Products)
5→ Filter (price > 500K) → Set (Transform)
6→ Google Sheets (Save)
7 
8### Chi tiết workflow:
9 
10NODE 1 — Cron Trigger:
11- Schedule: Mỗi ngày lúc 8:00 AM
12- Hoặc dùng Webhook Trigger nếu cần chạy on-demand
13 
14NODE 2 — HTTP Request:
15- Method: GET
16- URL: https://api.store.com/products
17- Authentication: API Key (từ Credentials)
18- Headers: Content-Type = application/json
19- Response: Array of products
20  [{ id, name, price, category, stock }]
21 
22NODE 3 — IF Node (Filter):
23- Condition: {{ $json.price }} > 500000
24- True: sản phẩm giá cao → xử lý tiếp
25- False: bỏ qua sản phẩm giá thấp
26 
27NODE 4 — Set Node (Transform):
28- Mục đích: Chuyển đổi format dữ liệu
29- Mapping:
30  + Mã SP: {{ $json.id }}
31  + Tên: {{ $json.name }}
32  + Giá (VNĐ): {{ $json.price.toLocaleString() }}đ
33  + Danh mục: {{ $json.category }}
34  + Tồn kho: {{ $json.stock }}
35  + Trạng thái: {{ $json.stock > 0 ? 'Còn hàng'
36    : 'Hết hàng' }}
37  + Ngày cập nhật: {{ $now.format('DD/MM/YYYY') }}
38- Keep Only Set: true (chỉ giữ fields đã mapping)
39 
40NODE 5 — Google Sheets:
41- Credential: Google OAuth2
42- Operation: Append Row
43- Sheet: "Products_High_Value"
44- Column mapping theo fields từ Set Node
45 
46NODE 6 — Slack Notification (cuối cùng):
47- Message: "✅ Đã cập nhật {{ $items.length }}
48  sản phẩm giá cao vào Google Sheets"
49 
50### Error Handling:
51- HTTP Request: Retry On Fail = 3 lần
52- Continue On Fail cho Google Sheets node
53- Error Trigger → gửi Slack nếu pipeline fail

1## Order Processing System
2 
3### Kiến trúc tổng quan:
4Main Workflow (Webhook) → Sub-workflow 1 (Payment)
5                        → Sub-workflow 2 (Email)
6Error Workflow (Error Trigger → Alert)
7 
8### MAIN WORKFLOW — Order Processor:
9 
10NODE 1 — Webhook Trigger:
11- Method: POST
12- Path: /new-order
13- Authentication: Header Auth
14- Response: Immediately (trả 200 ngay)
15- Data nhận: { orderId, customer, items, total,
16  paymentMethod }
17 
18NODE 2 — Set Node (Validate):
19- Kiểm tra dữ liệu đầu vào
20- Thêm timestamp: {{ $now.toISO() }}
21- Thêm orderStatus: "processing"
22 
23NODE 3 — Execute Workflow (Payment):
24- Workflow: "Sub - Payment Processing"
25- Mode: Wait for completion
26- Input: orderId, total, paymentMethod
27- Nhận output: { paymentStatus, transactionId }
28 
29NODE 4 — IF Node (Payment Check):
30- Condition: {{ $json.paymentStatus }} === "success"
31- True → tiếp tục gửi email
32- False → xử lý payment failed
33 
34NODE 5 — Execute Workflow (Email):
35- Workflow: "Sub - Send Confirmation"
36- Input: orderId, customer.email, items, total,
37  transactionId
38- Chỉ chạy khi payment success (True branch)
39 
40NODE 6 — Respond to Webhook:
41- Response: { status: "completed", orderId,
42  transactionId }
43 
44### SUB-WORKFLOW 1 — Payment Processing:
45 
46NODE A — Execute Workflow Trigger:
47- Nhận input từ Main Workflow
48 
49NODE B — Switch Node (Payment Method):
50- Case "credit_card" → Stripe API
51- Case "bank_transfer" → Bank API
52- Case "e-wallet" → MoMo/ZaloPay API
53- Default → Error: "Unsupported payment method"
54 
55NODE C — HTTP Request (Payment Gateway):
56- Method: POST
57- URL: {{ payment gateway URL }}
58- Body: { amount, orderId, method }
59- Retry On Fail: 3 lần, wait 5s
60- Timeout: 30 giây
61 
62NODE D — Set Output:
63- paymentStatus: "success" hoặc "failed"
64- transactionId: {{ $json.txnId }}
65 
66### SUB-WORKFLOW 2 — Send Confirmation:
67 
68NODE X — Execute Workflow Trigger
69NODE Y — Email Node (Send):
70- Template: Order confirmation HTML
71- To: {{ $json.customerEmail }}
72- Subject: "Xác nhận đơn hàng #{{ $json.orderId }}"
73- Retry On Fail: 2 lần
74 
75### ERROR WORKFLOW:
76 
77NODE E1 — Error Trigger:
78- Kích hoạt khi bất kỳ workflow nào fail
79 
80NODE E2 — Switch (Severity):
81- Payment fail → High priority (Slack + Email)
82- Email fail → Medium priority (Slack only)
83- Other → Low priority (Log only)
84 
85NODE E3 — Slack Alert:
86- Channel: #alerts-critical
87- Message: "🚨 [{{ $json.workflow.name }}]
88  Node {{ $json.execution.lastNodeExecuted }} failed
89  Error: {{ $json.execution.error.message }}
90  Execution ID: {{ $json.execution.id }}"
91 
92NODE E4 — Google Sheets (Error Log):
93- Log toàn bộ lỗi để phân tích trending
94 
95### Workflow Settings (tất cả workflows):
96- Error Workflow: trỏ đến Error Workflow ID
97- Timeout: 120 giây (Main), 60 giây (Sub)
98- Save Successful Executions: true
99- Save Failed Executions: true
100- Retry On Fail: cấu hình cho từng node