1.安装ingress
版本信息：
k8s：1.20.9
ingress: 0.48.1
https://github.com/kubernetes...

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下载镜像

docker pull registry.cn-hangzhou.aliyuncs.com/kubernetes-fan/ingress-nginx:v0.48.1

[root@node1 ingress]# docker images REPOSITORYTAGIMAGE IDCREATEDSIZE nginxlatest08b152afcfae13 days ago133MB registry.aliyuncs.com/google_containers/kube-proxyv1.20.98dbf9a6aa1862 weeks ago99.7MB registry.aliyuncs.com/google_containers/kube-controller-managerv1.20.9eb07fd4ad3b42 weeks ago116MB registry.aliyuncs.com/google_containers/kube-apiserverv1.20.90d0d57e4f64c2 weeks ago122MB registry.aliyuncs.com/google_containers/kube-schedulerv1.20.9295014c114b32 weeks ago47.3MB registry.cn-hangzhou.aliyuncs.com/kubernetes-fan/ingress-nginxv0.48.1ac0e4fe3e6b03 weeks ago279MB quay.io/coreos/flannelv0.14.08522d622299c2 months ago67.9MB registry.aliyuncs.com/google_containers/etcd3.4.13-00369cf4303ff11 months ago253MB registry.aliyuncs.com/google_containers/coredns1.7.0bfe3a36ebd2513 months ago45.2MB registry.aliyuncs.com/google_containers/pause3.280d28bedfe5d17 months ago683kB busybox1.3064f5d945efcc2 years ago1.2MB

下载deploy.yaml文件 地址：https://raw.githubusercontent...，如果下载不下来，可以使用下面的
注意：

• 部署环境为私有环境没有lb 所有把Deployment 改成DaemonSet
• 需要增加ipFamilyPolicy: PreferDualStack
  
  文章图片
  
• 修改镜像，使用本地的镜像

修改后的deploy.yaml文件

apiVersion: v1 kind: Namespace metadata: name: ingress-nginx labels: app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx--- # Source: ingress-nginx/templates/controller-serviceaccount.yaml apiVersion: v1 kind: ServiceAccount metadata: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: controller name: ingress-nginx namespace: ingress-nginx automountServiceAccountToken: true --- # Source: ingress-nginx/templates/controller-configmap.yaml apiVersion: v1 kind: ConfigMap metadata: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: controller name: ingress-nginx-controller namespace: ingress-nginx data: --- # Source: ingress-nginx/templates/clusterrole.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm name: ingress-nginx rules: - apiGroups: - '' resources: - configmaps - endpoints - nodes - pods - secrets verbs: - list - watch - apiGroups: - '' resources: - nodes verbs: - get - apiGroups: - '' resources: - services verbs: - get - list - watch - apiGroups: - extensions - networking.k8s.io# k8s 1.14+ resources: - ingresses verbs: - get - list - watch - apiGroups: - '' resources: - events verbs: - create - patch - apiGroups: - extensions - networking.k8s.io# k8s 1.14+ resources: - ingresses/status verbs: - update - apiGroups: - networking.k8s.io# k8s 1.14+ resources: - ingressclasses verbs: - get - list - watch --- # Source: ingress-nginx/templates/clusterrolebinding.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm name: ingress-nginx roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: ingress-nginx subjects: - kind: ServiceAccount name: ingress-nginx namespace: ingress-nginx --- # Source: ingress-nginx/templates/controller-role.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: controller name: ingress-nginx namespace: ingress-nginx rules: - apiGroups: - '' resources: - namespaces verbs: - get - apiGroups: - '' resources: - configmaps - pods - secrets - endpoints verbs: - get - list - watch - apiGroups: - '' resources: - services verbs: - get - list - watch - apiGroups: - extensions - networking.k8s.io# k8s 1.14+ resources: - ingresses verbs: - get - list - watch - apiGroups: - extensions - networking.k8s.io# k8s 1.14+ resources: - ingresses/status verbs: - update - apiGroups: - networking.k8s.io# k8s 1.14+ resources: - ingressclasses verbs: - get - list - watch - apiGroups: - '' resources: - configmaps resourceNames: - ingress-controller-leader-nginx verbs: - get - update - apiGroups: - '' resources: - configmaps verbs: - create - apiGroups: - '' resources: - events verbs: - create - patch --- # Source: ingress-nginx/templates/controller-rolebinding.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: RoleBinding metadata: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: controller name: ingress-nginx namespace: ingress-nginx roleRef: apiGroup: rbac.authorization.k8s.io kind: Role name: ingress-nginx subjects: - kind: ServiceAccount name: ingress-nginx namespace: ingress-nginx --- # Source: ingress-nginx/templates/controller-service-webhook.yaml apiVersion: v1 kind: Service metadata: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: controller name: ingress-nginx-controller-admission namespace: ingress-nginx spec: type: ClusterIP ports: - name: https-webhook port: 443 targetPort: webhook selector: app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/component: controller --- # Source: ingress-nginx/templates/controller-service.yaml apiVersion: v1 kind: Service metadata: annotations: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: controller name: ingress-nginx-controller namespace: ingress-nginx spec: type: NodePort ipFamilyPolicy: PreferDualStack ports: - name: http port: 80 protocol: TCP targetPort: http - name: https port: 443 protocol: TCP targetPort: https selector: app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/component: controller --- # Source: ingress-nginx/templates/controller-deployment.yaml apiVersion: apps/v1 kind: DaemonSet metadata: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: controller name: ingress-nginx-controller namespace: ingress-nginx spec: selector: matchLabels: app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/component: controller revisionHistoryLimit: 10 minReadySeconds: 0 template: metadata: labels: app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/component: controller spec: dnsPolicy: ClusterFirst containers: - name: controller image: registry.cn-hangzhou.aliyuncs.com/kubernetes-fan/ingress-nginx:v0.48.1 imagePullPolicy: IfNotPresent lifecycle: preStop: exec: command: - /wait-shutdown args: - /nginx-ingress-controller - --election-id=ingress-controller-leader - --ingress-class=nginx - --configmap=$(POD_NAMESPACE)/ingress-nginx-controller - --validating-webhook=:8443 - --validating-webhook-certificate=/usr/local/certificates/cert - --validating-webhook-key=/usr/local/certificates/key securityContext: capabilities: drop: - ALL add: - NET_BIND_SERVICE runAsUser: 101 allowPrivilegeEscalation: true env: - name: POD_NAME valueFrom: fieldRef: fieldPath: metadata.name - name: POD_NAMESPACE valueFrom: fieldRef: fieldPath: metadata.namespace - name: LD_PRELOAD value: /usr/local/lib/libmimalloc.so livenessProbe: failureThreshold: 5 httpGet: path: /healthz port: 10254 scheme: HTTP initialDelaySeconds: 10 periodSeconds: 10 successThreshold: 1 timeoutSeconds: 1 readinessProbe: failureThreshold: 3 httpGet: path: /healthz port: 10254 scheme: HTTP initialDelaySeconds: 10 periodSeconds: 10 successThreshold: 1 timeoutSeconds: 1 ports: - name: http containerPort: 80 protocol: TCP - name: https containerPort: 443 protocol: TCP - name: webhook containerPort: 8443 protocol: TCP volumeMounts: - name: webhook-cert mountPath: /usr/local/certificates/ readOnly: true resources: requests: cpu: 100m memory: 90Mi nodeSelector: kubernetes.io/os: linux serviceAccountName: ingress-nginx terminationGracePeriodSeconds: 300 volumes: - name: webhook-cert secret: secretName: ingress-nginx-admission --- # Source: ingress-nginx/templates/admission-webhooks/validating-webhook.yaml # before changing this value, check the required kubernetes version # https://kubernetes.io/docs/reference/access-authn-authz/extensible-admission-controllers/#prerequisites apiVersion: admissionregistration.k8s.io/v1 kind: ValidatingWebhookConfiguration metadata: labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook name: ingress-nginx-admission webhooks: - name: validate.nginx.ingress.kubernetes.io matchPolicy: Equivalent rules: - apiGroups: - networking.k8s.io apiVersions: - v1beta1 operations: - CREATE - UPDATE resources: - ingresses failurePolicy: Fail sideEffects: None admissionReviewVersions: - v1 - v1beta1 clientConfig: service: namespace: ingress-nginx name: ingress-nginx-controller-admission path: /networking/v1beta1/ingresses --- # Source: ingress-nginx/templates/admission-webhooks/job-patch/serviceaccount.yaml apiVersion: v1 kind: ServiceAccount metadata: name: ingress-nginx-admission namespace: ingress-nginx annotations: helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook --- # Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrole.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRole metadata: name: ingress-nginx-admission annotations: helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook rules: - apiGroups: - admissionregistration.k8s.io resources: - validatingwebhookconfigurations verbs: - get - update --- # Source: ingress-nginx/templates/admission-webhooks/job-patch/clusterrolebinding.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: ClusterRoleBinding metadata: name: ingress-nginx-admission annotations: helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook roleRef: apiGroup: rbac.authorization.k8s.io kind: ClusterRole name: ingress-nginx-admission subjects: - kind: ServiceAccount name: ingress-nginx-admission namespace: ingress-nginx --- # Source: ingress-nginx/templates/admission-webhooks/job-patch/role.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: Role metadata: name: ingress-nginx-admission namespace: ingress-nginx annotations: helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook rules: - apiGroups: - '' resources: - secrets verbs: - get - create --- # Source: ingress-nginx/templates/admission-webhooks/job-patch/rolebinding.yaml apiVersion: rbac.authorization.k8s.io/v1 kind: RoleBinding metadata: name: ingress-nginx-admission namespace: ingress-nginx annotations: helm.sh/hook: pre-install,pre-upgrade,post-install,post-upgrade helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook roleRef: apiGroup: rbac.authorization.k8s.io kind: Role name: ingress-nginx-admission subjects: - kind: ServiceAccount name: ingress-nginx-admission namespace: ingress-nginx --- # Source: ingress-nginx/templates/admission-webhooks/job-patch/job-createSecret.yaml apiVersion: batch/v1 kind: Job metadata: name: ingress-nginx-admission-create namespace: ingress-nginx annotations: helm.sh/hook: pre-install,pre-upgrade helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook spec: template: metadata: name: ingress-nginx-admission-create labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook spec: containers: - name: create image: docker.io/jettech/kube-webhook-certgen:v1.5.1 imagePullPolicy: IfNotPresent args: - create - --host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc - --namespace=$(POD_NAMESPACE) - --secret-name=ingress-nginx-admission env: - name: POD_NAMESPACE valueFrom: fieldRef: fieldPath: metadata.namespace restartPolicy: OnFailure serviceAccountName: ingress-nginx-admission securityContext: runAsNonRoot: true runAsUser: 2000 --- # Source: ingress-nginx/templates/admission-webhooks/job-patch/job-patchWebhook.yaml apiVersion: batch/v1 kind: Job metadata: name: ingress-nginx-admission-patch namespace: ingress-nginx annotations: helm.sh/hook: post-install,post-upgrade helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook spec: template: metadata: name: ingress-nginx-admission-patch labels: helm.sh/chart: ingress-nginx-3.34.0 app.kubernetes.io/name: ingress-nginx app.kubernetes.io/instance: ingress-nginx app.kubernetes.io/version: 0.48.1 app.kubernetes.io/managed-by: Helm app.kubernetes.io/component: admission-webhook spec: containers: - name: patch image: docker.io/jettech/kube-webhook-certgen:v1.5.1 imagePullPolicy: IfNotPresent args: - patch - --webhook-name=ingress-nginx-admission - --namespace=$(POD_NAMESPACE) - --patch-mutating=false - --secret-name=ingress-nginx-admission - --patch-failure-policy=Fail env: - name: POD_NAMESPACE valueFrom: fieldRef: fieldPath: metadata.namespace restartPolicy: OnFailure serviceAccountName: ingress-nginx-admission securityContext: runAsNonRoot: true runAsUser: 2000

修改了镜像，使用本地镜像

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2.apply安装
将deploy.yaml文件上传到下载ingress镜像的节点上去
kubectl apply -f deploy.yaml

[root@node1 ingress]# kubectl apply -f deploy.yaml namespace/ingress-nginx created serviceaccount/ingress-nginx created configmap/ingress-nginx-controller created clusterrole.rbac.authorization.k8s.io/ingress-nginx created clusterrolebinding.rbac.authorization.k8s.io/ingress-nginx created role.rbac.authorization.k8s.io/ingress-nginx created rolebinding.rbac.authorization.k8s.io/ingress-nginx created service/ingress-nginx-controller-admission created service/ingress-nginx-controller created deployment.apps/ingress-nginx-controller created validatingwebhookconfiguration.admissionregistration.k8s.io/ingress-nginx-admission created serviceaccount/ingress-nginx-admission created clusterrole.rbac.authorization.k8s.io/ingress-nginx-admission created clusterrolebinding.rbac.authorization.k8s.io/ingress-nginx-admission created role.rbac.authorization.k8s.io/ingress-nginx-admission created rolebinding.rbac.authorization.k8s.io/ingress-nginx-admission created job.batch/ingress-nginx-admission-create created job.batch/ingress-nginx-admission-patch created

pod状态

[root@node1 ingress]# kubectl get pods -o wide -n ingress-nginx NAMEREADYSTATUSRESTARTSAGEIPNODENOMINATED NODEREADINESS GATES ingress-nginx-admission-create-v6q5j0/1Completed02m48s10.244.2.47node3 ingress-nginx-admission-patch-pbbrn0/1Completed02m48s10.244.2.48node3 ingress-nginx-controller-7b68b5c46-jgvzn1/1Running02m49s10.244.2.49node3

svc状态

[root@node1 ingress]# kubectl get svc -n ingress-nginx NAMETYPECLUSTER-IPEXTERNAL-IPPORT(S)AGE ingress-nginx-controllerNodePort10.1.8.080:32182/TCP,443:30859/TCP4m8s ingress-nginx-controller-admissionClusterIP10.1.236.230443/TCP4m8s

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创建完成之后的ingress

[root@node1 ingress]# kubectl get ingress -n uat NAMECLASSHOSTSADDRESSPORTSAGE ingress-httpnginx.xiayuedu.com,tomcat.xiayuedu.com192.168.56.109,192.168.56.110807m8s [root@node1 ingress]#

部署了ingress服务之后，对外访问http和https端口见下面

[root@node1 ingress]# kubectl get svc -n ingress-nginx NAMETYPECLUSTER-IPEXTERNAL-IPPORT(S)AGE ingress-nginx-controllerNodePort10.1.153.24280:32293/TCP,443:31469/TCP18m ingress-nginx-controller-admissionClusterIP10.1.228.89443/TCP18m

正常访问
【k8s 安装ingress】
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