K8s Apache APISIX API Gateway

加入helm源

$ helm repo add apisix https://charts.apiseven.com
$ helm repo update
$ helm search repo apisix

安裝apisix

helm install apisix apisix/apisix --set gateway.type=NodePort --set admin.allow.ipList="{0.0.0.0/0}" -n apisix --create-namespace
NAME: apisix
LAST DEPLOYED: Fri Sep 17 10:39:07 2021
NAMESPACE: apisix
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
1. Get the application URL by running these commands:
  export NODE_PORT=$(kubectl get --namespace apisix -o jsonpath="{.spec.ports[0].nodePort}" services apisix-gateway)
  export NODE_IP=$(kubectl get nodes --namespace apisix -o jsonpath="{.items[0].status.addresses[0].address}")
  echo http://$NODE_IP:$NODE_PORT

查看apisix-admin的接口key

$ export POD_NAME=$(kubectl get pods --namespace apisix -l "app.kubernetes.io/instance=apisix,app.kubernetes.io/name=apisix" -o jsonpath="{.items[0].metadata.name}")
$ kubectl -n apisix exec -it $POD_NAME cat conf/config.yaml |grep key
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
Defaulted container "apisix" out of: apisix, wait-etcd (init)
  admin_key:
      key: edd1c9f034335f136f87ad84b625c8f1
      key: 4054f7cf07e344346cd3f287985e76a2
    # ipc_shared_dict: 100m # custom shared cache, format: `cache-key: cache-size`
  - authz-keycloak
  - key-auth

安裝Dashboard 預設admin / admin

helm install apisix-dashboard apisix/apisix-dashboard -n apisix --create-namespace
NAME: apisix-dashboard
LAST DEPLOYED: Fri Sep 17 10:41:37 2021
NAMESPACE: apisix
STATUS: deployed
REVISION: 1
NOTES:
1. Get the application URL by running these commands:
  export POD_NAME=$(kubectl get pods --namespace apisix -l "app.kubernetes.io/name=apisix-dashboard,app.kubernetes.io/instance=apisix-dashboard" -o jsonpath="{.items[0].metadata.name}")
  export CONTAINER_PORT=$(kubectl get pod --namespace apisix $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
  echo "Visit http://127.0.0.1:8080 to use your application"
  kubectl --namespace apisix port-forward $POD_NAME 8080:$CONTAINER_PORT

安裝apisix-ingress-controller

 helm install apisix-ingress-controller apisix/apisix-ingress-controller --set config.apisix.baseURL=http://apisix-admin:9180/apisix/admin --set config.apisix.adminKey=edd1c9f034335f136f87ad84b625c8f1 -n apisix
NAME: apisix-ingress-controller
LAST DEPLOYED: Fri Sep 17 10:46:15 2021
NAMESPACE: apisix
STATUS: deployed
REVISION: 1
TEST SUITE: None
NOTES:
Get the application URL by running these commands:
export POD_NAME=$(kubectl get pods --namespace apisix -l "app.kubernetes.io/name=apisix-ingress-controller,app.kubernetes.io/instance=apisix-ingress-controller" -o jsonpath="{.items[0].metadata.name}")
export CONTAINER_PORT=$(kubectl get pod --namespace apisix $POD_NAME -o jsonpath="{.spec.containers[0].ports[0].containerPort}")
echo "Visit http://127.0.0.1:8080 to use your application"
kubectl --namespace apisix port-forward $POD_NAME 8080:$CONTAINER_PORT

檢查安裝好的服務

helm list -n apisix

上游類型也可以整合nacos

ApisixRoute路由yaml範例設定

------------------------------------
配置路由代理-使用ingress的方式 apisix-ingress.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: demo1-ingress
spec:
  ingressClassName: apisix
  rules:
  - host: ingress.gametw.cloudns.pro
    http:
      paths:
        - path: /
          pathType: Prefix
          backend:
            service:
              name: demo1
              port:
                number: 80

配置路由代理-使用apisix的方式 apisix-route.yaml

apiVersion: apisix.apache.org/v1
kind: ApisixRoute
metadata:
  name: demo1-route
spec:
  http:
  - name: demo1.gametw.cloudns.pro
    match:
      hosts:
      - apisix.
      paths:
      - "/*"
    backend:
     serviceName: demo1
     servicePort: 80

------------------------------------