github鏈接 https://github.com/kubernetes/ingress-nginx/blob/main/docs/user-guide/exposing-tcp-udp-services.md
實踐篇:
1、在ingress-controller的啟動參數(shù)中添加以下內(nèi)容:
--tcp-services-configmap=\$\(POD_NAMESPACE\)/tcp-services --udp-services-configmap=\$\(POD_NAMESPACE\)/udp-services
完整版的啟動參數(shù):
/nginx-ingress-controller --election-id=ingress-controller-leader --ingress-class=nginx --configmap=\$\(POD_NAMESPACE\)/ingress-nginx-controller --validating-webhook=:8443 --validating-webhook-certificate=/usr/local/certificates/cert --validating-webhook-key=/usr/local/certificates/key --tcp-services-configmap=\$\(POD_NAMESPACE\)/tcp-services --udp-services-configmap=\$\(POD_NAMESPACE\)/udp-services
2、部署tcp服務(wù),這里不做詳細說明,可以啟動一個mysql;端口策略為:nodePort

image-20220323153215831.png
3、創(chuàng)建$(POD_NAMESPACE)/tcp-services 配置;我這邊的ingress-controller 的命名空間為 ingress-nginx

image-20220323153458207.png
4、網(wǎng)絡(luò)防火墻開放30306端口