ApiSix应用

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helm repo add bitnami https://charts.bitnami.com/bitnami
helm pull bitnami/etcd 
tar -xvf etcd-9.1.0.tgz
#注释 修改对应参数
helm install etcd -n ingress-apisix --set persistence.enabled=true ./

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global:
  storageClass: "nfs"
disasterRecovery:
  enabled: true
  pvc:
    storageClassName: nfs

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apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: data-etcd-0
  namespace: etcd
  labels:
    app.kubernetes.io/component: etcd
    app.kubernetes.io/instance: etcd
    app.kubernetes.io/name: etcd
spec:
  storageClassName: nfs
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Gi

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helm repo add apisix https://charts.apiseven.com
helm pull apisix apisix/apisix
tar -xvf apisix-2.1.0.tgz


#默认情况下 apisix-ingress-controller 监视api group 中的[Ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/)`networking/v1`资源，但是，如果您的 Kubernetes 集群早于`v1.19`，则需要更改 ingress 监视版本，这里修改apisix/charts/apisix-ingress-controller/values.yaml中ingressVersion=networking/v1beta1
# 安装
helm install apisix -n ingress-apisix --set etcd.enabled=false ./apisix

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#注释 修改etcd等对应参数
vim apisix/values.yaml
externalEtcd:
# -- if etcd.enabled is false, use external etcd, support multiple address, if your etcd cluster enables TLS, please use https scheme, e.g. https://127.0.0.1:2379.
  host:
    # host or ip e.g. http://172.20.128.89:2379
    - http://etcd.etcd.svc.cluster.local:2379
    - 密码

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dashboard:
  enabled: true
  config:
    conf:
      etcd:
        # -- Supports defining multiple etcd host addresses for an etcd cluster
      endpoints:
        - etcd.etcd.svc.cluster.local:2379
      # -- apisix configurations prefix
      prefix: "/apisix"
      # -- Specifies etcd basic auth username if enable etcd auth
      username: root
      # -- Specifies etcd basic auth password if enable etcd auth
      password: XXXXXX

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ingress-controller:
  enabled: true
  config:
    apisix:
      adminAPIVersion: "v3"

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修改apisix config配置文件添加如下内容：
discovery:
  kubernetes: { }


#注释  赋予权限
#kind: ServiceAccount
#apiVersion: v1
#metadata:
# name: apisix-k8s
# namespace: apisix
#---
#
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
 name: apisix-k8s
rules:
- apiGroups: [ "" ]
  resources: [ endpoints ]
  verbs: [ get,list,watch ]
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
 name: apisix-k8s
roleRef:
 apiGroup: rbac.authorization.k8s.io
 kind: ClusterRole
 name: apisix-k8s
subjects:
 - kind: ServiceAccount
   name: default
   namespace: apisix

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kubectl run nginx --image=nginx

apiVersion: v1
kind: Service
metadata:
  name: nginx
spec:
  selector:
    run: nginx
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80
  clusterIP: None

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选择服务发现kubernetes
服务名称：default/nginx:80（命名空间/服务名:端口）

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---
apiVersion: apisix.apache.org/v2
kind: ApisixRoute
metadata:
  name: test
spec:
  http:
  - name: rule1
    match:
      hosts:
      - 1.test.testkai.com
      paths:
      - /*
    backends:
       - serviceName: nginx
         servicePort: 80

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initContainers:
  - command:
  - sh
  - -c
  - until nc -z apisix-admin.ingress-apisix.svc.cluster.local 9180 ; do echo waiting for apisix-admin; sleep 2; done;