apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
    nginx.ingress.kubernetes.io/canary: "true"
    nginx.ingress.kubernetes.io/canary-by-query: test4
    nginx.ingress.kubernetes.io/canary-mod-divisor: "100"
    nginx.ingress.kubernetes.io/canary-mod-relational-operator: <
    nginx.ingress.kubernetes.io/canary-mod-remainder: "8"
    nginx.ingress.kubernetes.io/ssl-redirect: "true"
  creationTimestamp: "2023-11-01T09:42:20Z"
  generation: 2
  name: tengine-ingress-hello-query-mod-ing
  namespace: default
  resourceVersion: "28560903"
  uid: 689b085e-cd54-4549-9580-c9b578a54e9a
spec:
  ingressClassName: opensource-ingress
  rules:
  - host: echo.w1.com
    http:
      paths:
      - backend:
          service:
            name: tengine-ingress-hello4-service
            port:
              number: 80
        path: /
        pathType: Prefix
  tls:
  - hosts:
    - echo.w1.com
    secretName: https-server-1
status:
  loadBalancer:
    ingress:
    - {}

......................................................

$ curl -i -k https://echo.w1.com/?test4=1007
HTTP/2 301 
server: Tengine/3.1.0
date: Wed, 01 Nov 2023 10:19:23 GMT
location: /?test4=1007/
strict-transport-security: max-age=0
ups-target-key: default-tengine-ingress-hello4-service-80
x-protocol: HTTP/2.0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000

$ curl -i -k https://echo.w1.com/?test4=1008
HTTP/2 200 
server: Tengine/3.1.0
date: Wed, 01 Nov 2023 10:19:44 GMT
content-type: text/plain; charset=utf-8
content-length: 7
strict-transport-security: max-age=0
ups-target-key: default-tengine-ingress-echo-service-80
x-protocol: HTTP/2.0
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000

echo ok

Supports canary routing of modulo operation (mod) based on value of query param #50

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