Traefik 企业实战：部署生产级Traefik篇

[root@localhost ~]# kubectl get nodes
NAME                    STATUS   ROLES                  AGE    VERSION
localhost.localdomain   Ready    control-plane,master   1d     v1.22.10
 
[root@localhost ~]# helm version    
version.BuildInfo{Version:"v3.11.3", GitCommit:"323249351482b3bbfc9f5004f65d400aa70f9ae7", GitTreeState:"clean", GoVersion:"go1.20.3"}
[root@localhost ~]#

[root@localhost ~]# kubectl create ns metallb-system
 
[root@localhost ~]# helm repo add metallb https://metallb.github.io/metallb
"metallb" has been added to your repositories
 
[root@localhost ~]# helm install -n metallb-system metallb metallb/metallb
NAME: metallb
LAST DEPLOYED: Mon Aug 21 16:51:37 2023
NAMESPACE: metallb-system
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
MetalLB is now running in the cluster.
 
Now you can configure it via its CRs. Please refer to the metallb official docs
on how to use the CRs.

[root@localhost ~]# kubectl get pod -n metallb-system
NAME                                  READY   STATUS    RESTARTS       AGE
metallb-controller-77bbffbc7b-jr78f   1/1     Running   1 (1d ago)     1d
metallb-speaker-7pqhj                 1/1     Running   1 (1d ago)     1d

apiVersion: metallb.io/v1beta1
kind: IPAddressPool
metadata:
  name: default
  namespace: metallb-system
spec:
  addresses:
  - 192.168.36.139.139-192.168.36.200  # 手动配置IP范围
  autoAssign: true
---
apiVersion: metallb.io/v1beta1
kind: L2Advertisement
metadata:
  name: default
  namespace: metallb-system
spec:
  ipAddressPools:
  - default

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx
spec:
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
      - name: nginx
        image: nginx
        ports:
        - name: http
          containerPort: 80
 
---
apiVersion: v1
kind: Service
metadata:
  name: nginx
spec:
  ports:
  - name: http
    port: 80
    protocol: TCP
    targetPort: 80
  selector:
    app: nginx
  type: LoadBalancer

[root@localhost ~]# kubectl get service
NAME         TYPE           CLUSTER-IP     EXTERNAL-IP      PORT(S)        AGE
kubernetes   ClusterIP      10.96.0.1      <none>           443/TCP        1d
nginx        LoadBalancer  10.102.129.137 192.168.36.139   80:31274/TCP   1d
 
# 从集群外访问该IP地址：192.168.36.139

# 将 Traefik Labs 图表存储库添加到 Helm：
helm repo add traefik https://traefik.github.io/charts
 
# 您可以通过运行以下命令来更新图表存储库：
helm repo update

# 使用helm命令行安装它：
kubectl create ns traefik
helm install -n traefik traefik traefik/traefik

[root@localhost ~]# kubectl get all  -n  traefik   
NAME                           READY   STATUS    RESTARTS   AGE
pod/traefik-65944f8d5f-k5bfl   1/1     Running   0          1d
 
NAME              TYPE           CLUSTER-IP      EXTERNAL-IP      PORT(S)                      AGE
service/traefik   LoadBalancer   10.110.60.107   192.168.36.140   80:32301/TCP,443:31378/TCP   1d
 
NAME                      READY   UP-TO-DATE   AVAILABLE   AGE
deployment.apps/traefik   1/1     1            1           1d
 
NAME                                 DESIRED   CURRENT   READY   AGE
replicaset.apps/traefik-65944f8d5f   1         1         1       1d

# traefik-dashboard.yaml
apiVersion: traefik.containo.us/v1alpha1
kind: IngressRoute
metadata:
  name: dashboard
  namespace: traefik
spec:
  entryPoints:
    - web
  routes:
    - match: Host(`traefik.lc`)
      kind: Rule
      services:
        - name: api@internal
          kind: TraefikService

[root@localhost ~]# kubectl apply -f traefik-dashboard.yaml
ingressroute.traefik.containo.us/dashboard created

192.168.36.140 traefik.lc