k8s部署Ingress并创建规则的详细介绍

## 这个地址被墙,需要科学上网！！！# mandatory.yaml为ingress所有资源yml文件的集合# 若是单独部署，需要分别下载configmap.yaml、namespace.yaml、rbac.yaml、service-nodeport.yaml、with-rbac.yamlwget https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/mandatory.yaml# service-nodeport.yaml为ingress通过nodeport对外提供服务，注意默认nodeport暴露端口为随机，可以编辑该文件自定义端口wget https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/provider/baremetal/service-nodeport.yaml

apiVersion: v1kind: Namespacemetadata:  name: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginx---kind: ConfigMap  name: nginx-configuration  namespace: ingress-nginx  name: tcp-services  name: udp-serviceskind: ServiceAccount  name: nginx-ingress-serviceaccountapiVersion: rbac.authorization.k8s.io/v1beta1kind: ClusterRole  name: nginx-ingress-clusterrolerules:  - apiGroups:      - ""    resources:      - configmaps      - endpoints      - nodes      - pods      - secrets    verbs:      - list      - watch      - get      - services      - "extensions"      - ingresses      - events      - create      - patch      - ingresses/status      - updatekind: Role  name: nginx-ingress-role      - namespaces    resourceNames:      # Defaults to "<election-id>-<ingress-class>"      # Here: "<ingress-controller-leader>-<nginx>"      # This has to be adapted if you change either parameter      # when launching the nginx-ingress-controller.      - "ingress-controller-leader-nginx"kind: RoleBinding  name: nginx-ingress-role-nisa-bindingroleRef:  apiGroup: rbac.authorization.k8s.io  kind: Rolesubjects:  - kind: ServiceAccount    name: nginx-ingress-serviceaccount    namespace: ingress-nginxkind: ClusterRoleBinding  name: nginx-ingress-clusterrole-nisa-binding  kind: ClusterRoleapiVersion: apps/v1kind: DaemonSet   name: nginx-ingress-controllerspec:  selector:    matchLabels:      app.kubernetes.io/name: ingress-nginx      app.kubernetes.io/part-of: ingress-nginx  template:    metadata:      labels:        app.kubernetes.io/name: ingress-nginx        app.kubernetes.io/part-of: ingress-nginx      annotations:        prometheus.io/port: "10254"        prometheus.io/scrape: "true"    spec:      hostNetwork: true      serviceAccountName: nginx-ingress-serviceaccount      containers:        - name: nginx-ingress-controller          image: siriuszg/nginx-ingress-controller:0.20.0          args:            - /nginx-ingress-controller            - --configmap=$(POD_NAMESPACE)/nginx-configuration            - --tcp-services-configmap=$(POD_NAMESPACE)/tcp-services            - --udp-services-configmap=$(POD_NAMESPACE)/udp-services            - --publish-service=$(POD_NAMESPACE)/ingress-nginx            - --annotations-prefix=nginx.ingress.kubernetes.io          securityContext:            allowPrivilegeEscalation: true            capabilities:              drop:                - ALL              add:                - NET_BIND_SERVICE            # www-data -> 33            runAsUser: 33          env:            - name: POD_NAME              valueFrom:                fieldRef:                  fieldPath: metadata.name            - name: POD_NAMESPACE                  fieldPath: metadata.namespace          ports:            - name: http              containerPort: 80            - name: https              containerPort: 443          livenessProbe:            failureThreshold: 3            httpGet:              path: /healthz              port: 10254              scheme: HTTP            initialDelaySeconds: 10            periodSeconds: 10            successThreshold: 1            timeoutSeconds: 10          readinessProbe:kind: Service  #type: NodePort  ports:  - name: http    port: 80    targetPort: 80    protocol: TCP  - name: https    port: 443    targetPort: 443

kubectl apply -f ingress-controller.yaml 

kubectl get pods --all-namespaces

kubectl get all

vi ingress-tomcat8.yaml

apiVersion: extensions/v1beta1kind: Ingressmetadata:  name: webspec:  rules:   - host: k8s.tomcat8.com    http:      paths:        - backend:           serviceName: tomcat8           servicePort: 80

kubectl apply -f ingress-tomcat8.yaml