[Solved] Given this Ingress YAML snippet using Traefik: apiVersion: networking.k8s.io/v1 kind: Ingress metadata: name: example-ingress annotations: kubernetes.io/ingress.class: "traefik" spec: rules: - host:... | Kubernetes

Kubernetes - Ingress

Given this Ingress YAML snippet using Traefik:

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: example-ingress
  annotations:
    kubernetes.io/ingress.class: "traefik"
spec:
  rules:
  - host: example.com
    http:
      paths:
      - path: /app
        pathType: Prefix
        backend:
          service:
            name: app-service
            port:
              number: 80

What happens when a user visits http://example.com/app/page?

ATraffic goes to default backend ignoring /app path

BTraffic is blocked because pathType is incorrect

CTraffic is routed to the app-service on port 80

DIngress controller returns 404 error

Step-by-Step Solution

Solution:

Step 1: Analyze ingress rule for host and path
The rule matches host example.com and path prefix /app, so /app/page matches.
Step 2: Check backend service and port
Requests matching the path are sent to app-service on port 80.
Final Answer:
Traffic is routed to the app-service on port 80 -> Option C
Quick Check:
Path prefix match routes traffic correctly [OK]

Quick Trick: Path prefix routes all subpaths to backend service [OK]

Common Mistakes:

Assuming pathType Prefix is invalid
Ignoring host match requirement
Thinking default backend handles matched paths

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Given this Ingress YAML snippet using Traefik:

Step 1: Analyze ingress rule for host and path

Step 2: Check backend service and port

Final Answer:

Quick Check:

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