如何部署ingress-nginx

如何部署ingress-nginx，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

源文件：https://raw.githubusercontent.com/kubernetes/ingress-nginx/nginx-0.26.2/deploy/static/mandatory.yaml

可以通过wget下载后作修改！

主要改动：
hostNetwork: true
bitnami/nginx-ingress-controller:0.26.2

apiVersion: v1kind: Namespacemetadata:  name: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginx---kind: ConfigMapapiVersion: v1metadata:  name: nginx-configuration  namespace: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginx---kind: ConfigMapapiVersion: v1metadata:  name: tcp-services  namespace: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginx---kind: ConfigMapapiVersion: v1metadata:  name: udp-services  namespace: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginx---apiVersion: v1kind: ServiceAccountmetadata:  name: nginx-ingress-serviceaccount  namespace: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginx---apiVersion: rbac.authorization.k8s.io/v1beta1kind: ClusterRolemetadata:  name: nginx-ingress-clusterrole  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginxrules:  - apiGroups:      - ""    resources:      - configmaps      - endpoints      - nodes      - pods      - secrets    verbs:      - list      - watch  - apiGroups:      - ""    resources:      - nodes    verbs:      - get  - apiGroups:      - ""    resources:      - services    verbs:      - get      - list      - watch  - apiGroups:      - ""    resources:      - events    verbs:      - create      - patch  - apiGroups:      - "extensions"      - "networking.k8s.io"    resources:      - ingresses    verbs:      - get      - list      - watch  - apiGroups:      - "extensions"      - "networking.k8s.io"    resources:      - ingresses/status    verbs:      - update---apiVersion: rbac.authorization.k8s.io/v1beta1kind: Rolemetadata:  name: nginx-ingress-role  namespace: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginxrules:  - apiGroups:      - ""    resources:      - configmaps      - pods      - secrets      - namespaces    verbs:      - get  - apiGroups:      - ""    resources:      - configmaps    resourceNames:      # Defaults to "-"      # Here: "-"      # This has to be adapted if you change either parameter      # when launching the nginx-ingress-controller.      - "ingress-controller-leader-nginx"    verbs:      - get      - update  - apiGroups:      - ""    resources:      - configmaps    verbs:      - create  - apiGroups:      - ""    resources:      - endpoints    verbs:      - get---apiVersion: rbac.authorization.k8s.io/v1beta1kind: RoleBindingmetadata:  name: nginx-ingress-role-nisa-binding  namespace: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginxroleRef:  apiGroup: rbac.authorization.k8s.io  kind: Role  name: nginx-ingress-rolesubjects:  - kind: ServiceAccount    name: nginx-ingress-serviceaccount    namespace: ingress-nginx---apiVersion: rbac.authorization.k8s.io/v1beta1kind: ClusterRoleBindingmetadata:  name: nginx-ingress-clusterrole-nisa-binding  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginxroleRef:  apiGroup: rbac.authorization.k8s.io  kind: ClusterRole  name: nginx-ingress-clusterrolesubjects:  - kind: ServiceAccount    name: nginx-ingress-serviceaccount    namespace: ingress-nginx---apiVersion: apps/v1kind: Deploymentmetadata:  name: nginx-ingress-controller  namespace: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginxspec:  replicas: 1  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:      # wait up to five minutes for the drain of connections      hostNetwork: true      terminationGracePeriodSeconds: 300      serviceAccountName: nginx-ingress-serviceaccount      nodeSelector:        kubernetes.io/os: linux      containers:        - name: nginx-ingress-controller          image: bitnami/nginx-ingress-controller:0.26.2          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              valueFrom:                fieldRef:                  fieldPath: metadata.namespace          ports:            - name: http              containerPort: 80              protocol: TCP            - name: https              containerPort: 443              protocol: TCP          livenessProbe:            failureThreshold: 3            httpGet:              path: /healthz              port: 10254              scheme: HTTP            initialDelaySeconds: 10            periodSeconds: 10            successThreshold: 1            timeoutSeconds: 10          readinessProbe:            failureThreshold: 3            httpGet:              path: /healthz              port: 10254              scheme: HTTP            periodSeconds: 10            successThreshold: 1            timeoutSeconds: 10          lifecycle:            preStop:              exec:                command:                  - /wait-shutdown---apiVersion: v1kind: LimitRangemetadata:  name: ingress-nginx  namespace: ingress-nginx  labels:    app.kubernetes.io/name: ingress-nginx    app.kubernetes.io/part-of: ingress-nginxspec:  limits:  - default:    min:      memory: 90Mi      cpu: 100m    type: Container

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