K8s nginx ingress path return 404-CodePudding

I am trying to setup my services inside nginx ingress. In this case, I want to have a mail service along the path test.io/mail/. I make a request to test.io/mail/send_mail/ the response comes 404.

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: test-ingress
  namespace: test-backend
spec:
  ingressClassName: nginx
  rules:
  - host: test.io
    http:
      paths:
      - path: /mail/
        pathType: Exact
        backend:
          service:
            name: email-test
            port:
              number: 80

If I change the settings and remove the prefix, then everything will work.

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: test-ingress
  namespace: test-backend
spec:
  ingressClassName: nginx
  rules:
  - host: test.io
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: email-test
            port:
              number: 80

How do I properly set the prefix?

CodePudding user response：

Please have ingress yaml as below to use "pathType: Prefix" instead of "pathType: Exact"

 rules:
  - host: test.io
    http:
      paths:
      - path: /mail/
        pathType: Prefix

Please refer official documentation for more details for

pathType: Prefix

CodePudding user response：

Each path in an Ingress is required to have a corresponding path type. Paths that do not include an explicit pathType will fail validation. The only supported wildcard character for the path field of an Ingress is the * character. The * character must follow a forward slash (/) and must be the last character in the pattern. For example, /, /foo/, and /foo/bar/* are valid patterns, but , /foo/bar, and /foo//bar are not.A more specific pattern takes precedence over a less specific pattern. If you have both /foo/ and /foo/bar/, then /foo/bar/bat is taken to match /foo/bar/.For more information about path limitations and pattern matching, see the URL Maps documentation.

Suggestion :

apiVersion: networking.k8s.io/v1 kind: Ingress metadata: name: test-ingress namespace: test-backend spec: ingressClassName: nginx rules:

host: test.io http: paths:
- path: /mail/* pathType: Exact backend: service: name: email-test port: number: 80
- path: / pathType: Prefix backend: service: name: email-test port: number: 80

Additional reference doc : Refer1 Refer2