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[Ingress Nginx/MetalLB] Install Ingress Nginx trên K8s bằng helm

Posted on July 4, 2021March 4, 2024 By nim 3 Comments on [Ingress Nginx/MetalLB] Install Ingress Nginx trên K8s bằng helm

https://kubernetes.github.io/ingress-nginx/deploy/#using-helm

Contents

Toggle
  • 1) Metallb
  • 2) Ingress Nginx
    • Configure to provide internal or private IP for Service with type LoadBalancer on EKS
    • Create Ingress for any service not inside the k8s cluster
  • Deploy Network load balancer (NLB) to expose the NGINX Ingress
  • Monitoring Ingress Nginx on Kubernetes

1) Metallb

Hiện tại mình cũng chưa có nhu cầu cài lại Metallb và vẫn đang chạy ở phiện bản 1.12.1
Tin mới là metallb đã có breaking changes in 0.13.x

Cài đặt metallb trước để auto nhận các service LB

kubectl create ns metallb
helm repo add metallb https://metallb.github.io/metallb
helm install metallb metallb/metallb

Phần config trong file value để tạo 1 range IP cho LB

configInline:
  address-pools:
   - name: default
     protocol: layer2
     addresses:
     - 192.168.21.240-192.168.21.250
addresses:
     - 192.168.21.240-192.168.21.250
Đây là range IP mà bạn sẽ cấp cho các ingress có Type LoadBalancer

2) Ingress Nginx

kubectl create ns ingress-nginx
helm repo add ingress-nginx https://kubernetes.github.io/ingress-nginx
helm repo update

helm install ingress-nginx ingress-nginx/ingress-nginx

Trước khi intall export value.yaml và sửa 1 số chi tiết sau:

CÒn nếu bạn sài argocd thì

Thực hành tạo ingress trên rancher he. tạo bằng cmd thì người ta chỉ đầy rồi.

Mình có 1 web tên là kiali và mình đã tạo service cho nó

ở phần này nói thêm với rancher khi mà bạn tạo ingress mà bạn workload như hình trên hình thì nó sẽ tạo cho bạn 1 service select tới workload của bạn.
Rồi nó nào 1 ingress select vào service mà rancher tạo.
Vì mình đã có service rồi nên ko chơi cách này.

Chờ síu cho nó active
OK nhé

Configure to provide internal or private IP for Service with type LoadBalancer on EKS

apiVersion: v1
kind: Service
metadata:
  name: argocd-server
  namespace: argocd
  labels:
    app.kubernetes.io/component: server
    app.kubernetes.io/instance: argocd
    app.kubernetes.io/name: argocd-server
    app.kubernetes.io/part-of: argocd
  annotations:
    service.beta.kubernetes.io/aws-load-balancer-internal: 'true' #look at
spec:
  ports:
    - name: http
      protocol: TCP
      port: 80
      targetPort: 8080
      nodePort: 30009
    - name: https
      protocol: TCP
      port: 443
      targetPort: 8080
      nodePort: 32184
  selector:
    app.kubernetes.io/name: argocd-server
  type: LoadBalancer #look at

Create Ingress for any service not inside the k8s cluster

Kubernetes Ingress to External Service

Deploy Network load balancer (NLB) to expose the NGINX Ingress

https://easoncao.com/eks-best-practice-load-balancing-3-en/

apiVersion: v1
kind: Service
metadata:
  annotations:
    service.beta.kubernetes.io/aws-load-balancer-backend-protocol: tcp
    service.beta.kubernetes.io/aws-load-balancer-cross-zone-load-balancing-enabled: "true"
    service.beta.kubernetes.io/aws-load-balancer-type: nlb
  labels:
    app.kubernetes.io/component: controller
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/part-of: ingress-nginx
    app.kubernetes.io/version: 1.1.3
  name: ingress-nginx-controller
  namespace: ingress-nginx
spec:
  externalTrafficPolicy: Local
  ports:
  - appProtocol: http
    name: http
    port: 80
    protocol: TCP
    targetPort: http
  - appProtocol: https
    name: https
    port: 443
    protocol: TCP
    targetPort: https
  selector:
    app.kubernetes.io/component: controller
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/name: ingress-nginx
  type: LoadBalancer

Monitoring Ingress Nginx on Kubernetes

https://github.com/kubernetes/ingress-nginx/blob/main/docs/user-guide/monitoring.md

Ingress, MetalLB

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Comments (3) on “[Ingress Nginx/MetalLB] Install Ingress Nginx trên K8s bằng helm”

  1. Pingback: [Harbor] Cài đặt Private Dockerhub – Harbor trên k8s bằng helm – repo Binami – NimTechnology
  2. Pingback: [Rancher/K8s] Cài đặt rancher trên K8s bằng Helm 3 – NimTechnology
  3. Pingback: [Istio-Multi Cluster] Tutorial is very detailed to install Primary-Remote on different networks – NimTechnology

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