feat: Gateway supports the configuration of forwarding tcp/udp traffic.

[hongzhouzi]

Signed-off-by: hongzhouzi hongzhouzi@kubesphere.io

What type of PR is this?

/kind feature

What this PR does / why we need it:

Gateway supports the configuration of forwarding tcp/udp traffic.

Which issue(s) this PR fixes:

Fixes # #5406

Special notes for reviewers:

Add tcp/udp two configuration items below the configuration options on the gateway edit page, and add tcp/udp configuration in the following format when create and update a Gateway CR.

Configure key-value pairs in tcp/udp configuration, the key is the external port to use and the value indicates the service to expose using the format: <namespace/service name>:<service port>:[PROXY]:[PROXY]
Reference: https://kubernetes.github.io/ingress-nginx/user-guide/exposing-tcp-udp-services/

apiVersion: gateway.kubesphere.io/v1alpha1
kind: Gateway
metadata: {}
spec:
  controller:
    tcp:
      '8080': 'default/example-tcp-svc1:9000'
      '8081': 'default/example-tcp-svc2:9001'
    udp:
      '53': 'kube-system/coredns:53'

Does this PR introduced a user-facing change?

Gateway supports the configuration of forwarding tcp/udp traffic.

Additional documentation, usage docs, etc.:

[hongzhouzi]

/cc @wansir @iawia002

[iawia002]

/lgtm

[ks-ci-bot]

LGTM label has been added.

Git tree hash: 146df6eb8c563744470bcc5fbb22dd82485db02e

[hongzhouzi]

/cc @harrisonliu5
Can you add this part of the operation and the parameters passed on the front-end page? Both the cluster gateway and the project gateway need to be added.

Add tcp/udp two configuration items below the configuration options on the gateway edit page, and add tcp/udp configuration in the following format when create and update a Gateway CR.

Configure key-value pairs in tcp/udp configuration, the key is the external port to use and the value indicates the service to expose using the format: <namespace/service name>:<service port>:[PROXY]:[PROXY] Reference: https://kubernetes.github.io/ingress-nginx/user-guide/exposing-tcp-udp-services/

apiVersion: gateway.kubesphere.io/v1alpha1
kind: Gateway
metadata: {}
spec:
  controller:
    tcp:
      '8080': 'default/example-tcp-svc1:9000'
      '8081': 'default/example-tcp-svc2:9001'
    udp:
      '53': 'kube-system/coredns:53'

[wansir]

/lgtm
/approve

[ks-ci-bot]

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