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做网站开发的有哪些公司,怎样注册自己的网站,深圳个人做网站,东莞市电池网站建设关于ingress的介绍，前面已经详细讲过了，参考ingress-nginx详解和部署方案。本案例ingress的部署使用deploymentLB的方式。 参考链接： 多个ingress部署 文章目录 1. 下载ingress的文件2. 文件资源分析3. 部署ingress3.1 部署第一套ingress3.1…

关于ingress的介绍，前面已经详细讲过了，参考ingress-nginx详解和部署方案。本案例ingress的部署使用deployment+LB的方式。

参考链接： 多个ingress部署

文章目录

    • 1. 下载ingress的文件
    • 2. 文件资源分析
    • 3. 部署ingress
      • 3.1 部署第一套ingress
        • 3.1.1 ingress文件
        • 3.1.2 执行apply命令
      • 3.2 部署第二套ingress
        • 3.2.1 ingress文件
        • 3.2.2 执行apply命令
    • 4. 测试
      • 4.1 部署nginx服务
      • 4.2 ingress-nginx-v1验证
      • 4.3 ingress-nginx-v2验证

1. 下载ingress的文件

下载地址：ingress.yaml

2. 文件资源分析

文件中涉及到的资源类型有如下：

  • Namespace
  • ServiceAccount
  • Role
  • ClusterRole
  • RoleBinding
  • ClusterRoleBinding
  • ConfigMap
  • Service
  • Deployment
  • Job
  • IngressClass
  • ValidatingWebhookConfiguration

其中主要是针对ingress controller和wekhooks的两类服务而言的，webhook此处我们不做讨论，本身随着ingress controller的服务走即可。

对于诸如ClusterRole、ClusterRoleBinding 集群资源，由于有相应的role、RoleBinding以及对应更底层的ServiceAccount和Namespace配合限制，因此可以不用动，因为最终是通过Namespace来限制隔离，可以做到RBAC的权限细分，因此公用即可。

对于Namespace，建议两套不同的ingress controller服务部署在不同的命名空间,因此修改下namespace的名称或者删除了自己闯创建。

对于Deployment，需要修改下ingress controller的启动参数--controller-class。

对于IngressClass，需要修改下name即可。

3. 部署ingress

3.1 部署第一套ingress

对于下载的文件，只做了以下的修改，其余地方保持不动：

  • 对已经定义的命名空间的name做了修改 - 即Namespace的name名称为ingress-nginx-v1；
  • 将所有的namespace替换成修改后的命名空间的名称 - 即所有namespace的名称修改为ingress-nginx-v1；
  • 将deployment下的--ingress-class和IngressClass下的name修改为nginx-v1
  • 将deployment下的--controller-class修改为k8s.io/ingress-nginx-v1
  • 将IngressClass下的spec下的controller修改为k8s.io/internal-ingress-nginx-v1
3.1.1 ingress文件

cat nginx-ingress-v1.1.3-v1.yaml

apiVersion: v1
kind: Namespace
metadata:labels:app.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxname: ingress-nginx-v1
---
apiVersion: v1
automountServiceAccountToken: true
kind: ServiceAccount
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginxnamespace: ingress-nginx-v1
---
apiVersion: v1
kind: ServiceAccount
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admissionnamespace: ingress-nginx-v1
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginxnamespace: ingress-nginx-v1
rules:
- apiGroups:- ""resources:- namespacesverbs:- get
- apiGroups:- ""resources:- configmaps- pods- secrets- endpointsverbs:- get- list- watch
- apiGroups:- ""resources:- servicesverbs:- get- list- watch
- apiGroups:- networking.k8s.ioresources:- ingressesverbs:- get- list- watch
- apiGroups:- networking.k8s.ioresources:- ingresses/statusverbs:- update
- apiGroups:- networking.k8s.ioresources:- ingressclassesverbs:- get- list- watch
- apiGroups:- ""resourceNames:- ingress-controller-leaderresources:- configmapsverbs:- get- update
- apiGroups:- ""resources:- configmapsverbs:- create
- apiGroups:- ""resources:- eventsverbs:- create- patch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admissionnamespace: ingress-nginx-v1
rules:
- apiGroups:- ""resources:- secretsverbs:- get- create
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:labels:app.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx
rules:
- apiGroups:- ""resources:- configmaps- endpoints- nodes- pods- secrets- namespacesverbs:- list- watch
- apiGroups:- ""resources:- nodesverbs:- get
- apiGroups:- ""resources:- servicesverbs:- get- list- watch
- apiGroups:- networking.k8s.ioresources:- ingressesverbs:- get- list- watch
- apiGroups:- ""resources:- eventsverbs:- create- patch
- apiGroups:- networking.k8s.ioresources:- ingresses/statusverbs:- update
- apiGroups:- networking.k8s.ioresources:- ingressclassesverbs:- get- list- watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission
rules:
- apiGroups:- admissionregistration.k8s.ioresources:- validatingwebhookconfigurationsverbs:- get- update
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginxnamespace: ingress-nginx-v1
roleRef:apiGroup: rbac.authorization.k8s.iokind: Rolename: ingress-nginx
subjects:
- kind: ServiceAccountname: ingress-nginxnamespace: ingress-nginx-v1
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admissionnamespace: ingress-nginx-v1
roleRef:apiGroup: rbac.authorization.k8s.iokind: Rolename: ingress-nginx-admission
subjects:
- kind: ServiceAccountname: ingress-nginx-admissionnamespace: ingress-nginx-v1
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:labels:app.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx
roleRef:apiGroup: rbac.authorization.k8s.iokind: ClusterRolename: ingress-nginx
subjects:
- kind: ServiceAccountname: ingress-nginxnamespace: ingress-nginx-v1
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission
roleRef:apiGroup: rbac.authorization.k8s.iokind: ClusterRolename: ingress-nginx-admission
subjects:
- kind: ServiceAccountname: ingress-nginx-admissionnamespace: ingress-nginx-v1
---
apiVersion: v1
data:allow-snippet-annotations: "true"
kind: ConfigMap
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-controllernamespace: ingress-nginx-v1
---
apiVersion: v1
kind: Service
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-controllernamespace: ingress-nginx-v1
spec:externalTrafficPolicy: Localports:- appProtocol: httpname: httpport: 80protocol: TCPtargetPort: http- appProtocol: httpsname: httpsport: 443protocol: TCPtargetPort: httpsselector:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxtype: LoadBalancer
---
apiVersion: v1
kind: Service
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-controller-admissionnamespace: ingress-nginx-v1
spec:ports:- appProtocol: httpsname: https-webhookport: 443targetPort: webhookselector:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxtype: ClusterIP
---
apiVersion: apps/v1
kind: Deployment
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-controllernamespace: ingress-nginx-v1
spec:minReadySeconds: 0revisionHistoryLimit: 10selector:matchLabels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxtemplate:metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxspec:containers:- args:- /nginx-ingress-controller- --publish-service=$(POD_NAMESPACE)/ingress-nginx-controller- --election-id=ingress-controller-leader- --controller-class=k8s.io/ingress-nginx-v1- --ingress-class=ingress-nginx-v1- --configmap=$(POD_NAMESPACE)/ingress-nginx-controller- --validating-webhook=:8443- --validating-webhook-certificate=/usr/local/certificates/cert- --validating-webhook-key=/usr/local/certificates/keyenv:- name: POD_NAMEvalueFrom:fieldRef:fieldPath: metadata.name- name: POD_NAMESPACEvalueFrom:fieldRef:fieldPath: metadata.namespace- name: LD_PRELOADvalue: /usr/local/lib/libmimalloc.soimage: k8s.gcr.io/ingress-nginx/controller:v1.1.3@sha256:31f47c1e202b39fadecf822a9b76370bd4baed199a005b3e7d4d1455f4fd3fe2imagePullPolicy: IfNotPresentlifecycle:preStop:exec:command:- /wait-shutdownlivenessProbe:failureThreshold: 5httpGet:path: /healthzport: 10254scheme: HTTPinitialDelaySeconds: 10periodSeconds: 10successThreshold: 1timeoutSeconds: 1name: controllerports:- containerPort: 80name: httpprotocol: TCP- containerPort: 443name: httpsprotocol: TCP- containerPort: 8443name: webhookprotocol: TCPreadinessProbe:failureThreshold: 3httpGet:path: /healthzport: 10254scheme: HTTPinitialDelaySeconds: 10periodSeconds: 10successThreshold: 1timeoutSeconds: 1resources:requests:cpu: 100mmemory: 90MisecurityContext:allowPrivilegeEscalation: truecapabilities:add:- NET_BIND_SERVICEdrop:- ALLrunAsUser: 101volumeMounts:- mountPath: /usr/local/certificates/name: webhook-certreadOnly: truednsPolicy: ClusterFirstnodeSelector:kubernetes.io/os: linuxserviceAccountName: ingress-nginxterminationGracePeriodSeconds: 300volumes:- name: webhook-certsecret:secretName: ingress-nginx-admission
---
apiVersion: batch/v1
kind: Job
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission-createnamespace: ingress-nginx-v1
spec:template:metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission-createspec:containers:- args:- create- --host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc- --namespace=$(POD_NAMESPACE)- --secret-name=ingress-nginx-admissionenv:- name: POD_NAMESPACEvalueFrom:fieldRef:fieldPath: metadata.namespaceimage: k8s.gcr.io/ingress-nginx/kube-webhook-certgen:v1.1.1@sha256:64d8c73dca984af206adf9d6d7e46aa550362b1d7a01f3a0a91b20cc67868660imagePullPolicy: IfNotPresentname: createsecurityContext:allowPrivilegeEscalation: falsenodeSelector:kubernetes.io/os: linuxrestartPolicy: OnFailuresecurityContext:fsGroup: 2000runAsNonRoot: truerunAsUser: 2000serviceAccountName: ingress-nginx-admission
---
apiVersion: batch/v1
kind: Job
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission-patchnamespace: ingress-nginx-v1
spec:template:metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission-patchspec:containers:- args:- patch- --webhook-name=ingress-nginx-admission- --namespace=$(POD_NAMESPACE)- --patch-mutating=false- --secret-name=ingress-nginx-admission- --patch-failure-policy=Failenv:- name: POD_NAMESPACEvalueFrom:fieldRef:fieldPath: metadata.namespaceimage: k8s.gcr.io/ingress-nginx/kube-webhook-certgen:v1.1.1@sha256:64d8c73dca984af206adf9d6d7e46aa550362b1d7a01f3a0a91b20cc67868660imagePullPolicy: IfNotPresentname: patchsecurityContext:allowPrivilegeEscalation: falsenodeSelector:kubernetes.io/os: linuxrestartPolicy: OnFailuresecurityContext:fsGroup: 2000runAsNonRoot: truerunAsUser: 2000serviceAccountName: ingress-nginx-admission
---
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-v1
spec:controller: k8s.io/ingress-nginx-v1
---
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission
webhooks:
- admissionReviewVersions:- v1clientConfig:service:name: ingress-nginx-controller-admissionnamespace: ingress-nginx-v1path: /networking/v1/ingressesfailurePolicy: FailmatchPolicy: Equivalentname: validate.nginx.ingress.kubernetes.iorules:- apiGroups:- networking.k8s.ioapiVersions:- v1operations:- CREATE- UPDATEresources:- ingressessideEffects: None
3.1.2 执行apply命令
kubectl apply -f nginx-ingress-v1.1.3-v1.yaml

在这里插入图片描述
查看ingress
在这里插入图片描述
查看LB
在这里插入图片描述

3.2 部署第二套ingress

同第一套的方法一样，也是对于下载的文件，只做了以下的修改，其余地方保持不动：

  • 对已经定义的命名空间的name做了修改 - 即Namespace的name名称为ingress-nginx-v2；
  • 将所有的namespace替换成修改后的命名空间的名称 - 即所有namespace的名称修改为ingress-nginx-v2；
  • 将deployment下的--ingress-class和IngressClass下的name修改为nginx-v2
  • 将deployment下的--controller-class修改为k8s.io/ingress-nginx-v2
  • 将IngressClass下的spec下的controller修改为k8s.io/internal-ingress-nginx-v2
3.2.1 ingress文件

cat nginx-ingress-v1.1.3-v2.yaml

apiVersion: v1
kind: Namespace
metadata:labels:app.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxname: ingress-nginx-v2
---
apiVersion: v1
automountServiceAccountToken: true
kind: ServiceAccount
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginxnamespace: ingress-nginx-v2
---
apiVersion: v1
kind: ServiceAccount
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admissionnamespace: ingress-nginx-v2
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginxnamespace: ingress-nginx-v2
rules:
- apiGroups:- ""resources:- namespacesverbs:- get
- apiGroups:- ""resources:- configmaps- pods- secrets- endpointsverbs:- get- list- watch
- apiGroups:- ""resources:- servicesverbs:- get- list- watch
- apiGroups:- networking.k8s.ioresources:- ingressesverbs:- get- list- watch
- apiGroups:- networking.k8s.ioresources:- ingresses/statusverbs:- update
- apiGroups:- networking.k8s.ioresources:- ingressclassesverbs:- get- list- watch
- apiGroups:- ""resourceNames:- ingress-controller-leaderresources:- configmapsverbs:- get- update
- apiGroups:- ""resources:- configmapsverbs:- create
- apiGroups:- ""resources:- eventsverbs:- create- patch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admissionnamespace: ingress-nginx-v2
rules:
- apiGroups:- ""resources:- secretsverbs:- get- create
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:labels:app.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx
rules:
- apiGroups:- ""resources:- configmaps- endpoints- nodes- pods- secrets- namespacesverbs:- list- watch
- apiGroups:- ""resources:- nodesverbs:- get
- apiGroups:- ""resources:- servicesverbs:- get- list- watch
- apiGroups:- networking.k8s.ioresources:- ingressesverbs:- get- list- watch
- apiGroups:- ""resources:- eventsverbs:- create- patch
- apiGroups:- networking.k8s.ioresources:- ingresses/statusverbs:- update
- apiGroups:- networking.k8s.ioresources:- ingressclassesverbs:- get- list- watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission
rules:
- apiGroups:- admissionregistration.k8s.ioresources:- validatingwebhookconfigurationsverbs:- get- update
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginxnamespace: ingress-nginx-v2
roleRef:apiGroup: rbac.authorization.k8s.iokind: Rolename: ingress-nginx
subjects:
- kind: ServiceAccountname: ingress-nginxnamespace: ingress-nginx-v2
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admissionnamespace: ingress-nginx-v2
roleRef:apiGroup: rbac.authorization.k8s.iokind: Rolename: ingress-nginx-admission
subjects:
- kind: ServiceAccountname: ingress-nginx-admissionnamespace: ingress-nginx-v2
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:labels:app.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx
roleRef:apiGroup: rbac.authorization.k8s.iokind: ClusterRolename: ingress-nginx
subjects:
- kind: ServiceAccountname: ingress-nginxnamespace: ingress-nginx-v2
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission
roleRef:apiGroup: rbac.authorization.k8s.iokind: ClusterRolename: ingress-nginx-admission
subjects:
- kind: ServiceAccountname: ingress-nginx-admissionnamespace: ingress-nginx-v2
---
apiVersion: v1
data:allow-snippet-annotations: "true"
kind: ConfigMap
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-controllernamespace: ingress-nginx-v2
---
apiVersion: v1
kind: Service
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-controllernamespace: ingress-nginx-v2
spec:externalTrafficPolicy: Localports:- appProtocol: httpname: httpport: 80protocol: TCPtargetPort: http- appProtocol: httpsname: httpsport: 443protocol: TCPtargetPort: httpsselector:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxtype: LoadBalancer
---
apiVersion: v1
kind: Service
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-controller-admissionnamespace: ingress-nginx-v2
spec:ports:- appProtocol: httpsname: https-webhookport: 443targetPort: webhookselector:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxtype: ClusterIP
---
apiVersion: apps/v1
kind: Deployment
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-controllernamespace: ingress-nginx-v2
spec:minReadySeconds: 0revisionHistoryLimit: 10selector:matchLabels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxtemplate:metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxspec:containers:- args:- /nginx-ingress-controller- --publish-service=$(POD_NAMESPACE)/ingress-nginx-controller- --election-id=ingress-controller-leader- --controller-class=k8s.io/ingress-nginx-v2- --ingress-class=ingress-nginx-v2- --configmap=$(POD_NAMESPACE)/ingress-nginx-controller- --validating-webhook=:8443- --validating-webhook-certificate=/usr/local/certificates/cert- --validating-webhook-key=/usr/local/certificates/keyenv:- name: POD_NAMEvalueFrom:fieldRef:fieldPath: metadata.name- name: POD_NAMESPACEvalueFrom:fieldRef:fieldPath: metadata.namespace- name: LD_PRELOADvalue: /usr/local/lib/libmimalloc.soimage: k8s.gcr.io/ingress-nginx/controller:v1.1.3@sha256:31f47c1e202b39fadecf822a9b76370bd4baed199a005b3e7d4d1455f4fd3fe2imagePullPolicy: IfNotPresentlifecycle:preStop:exec:command:- /wait-shutdownlivenessProbe:failureThreshold: 5httpGet:path: /healthzport: 10254scheme: HTTPinitialDelaySeconds: 10periodSeconds: 10successThreshold: 1timeoutSeconds: 1name: controllerports:- containerPort: 80name: httpprotocol: TCP- containerPort: 443name: httpsprotocol: TCP- containerPort: 8443name: webhookprotocol: TCPreadinessProbe:failureThreshold: 3httpGet:path: /healthzport: 10254scheme: HTTPinitialDelaySeconds: 10periodSeconds: 10successThreshold: 1timeoutSeconds: 1resources:requests:cpu: 100mmemory: 90MisecurityContext:allowPrivilegeEscalation: truecapabilities:add:- NET_BIND_SERVICEdrop:- ALLrunAsUser: 101volumeMounts:- mountPath: /usr/local/certificates/name: webhook-certreadOnly: truednsPolicy: ClusterFirstnodeSelector:kubernetes.io/os: linuxserviceAccountName: ingress-nginxterminationGracePeriodSeconds: 300volumes:- name: webhook-certsecret:secretName: ingress-nginx-admission
---
apiVersion: batch/v1
kind: Job
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission-createnamespace: ingress-nginx-v2
spec:template:metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission-createspec:containers:- args:- create- --host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc- --namespace=$(POD_NAMESPACE)- --secret-name=ingress-nginx-admissionenv:- name: POD_NAMESPACEvalueFrom:fieldRef:fieldPath: metadata.namespaceimage: k8s.gcr.io/ingress-nginx/kube-webhook-certgen:v1.1.1@sha256:64d8c73dca984af206adf9d6d7e46aa550362b1d7a01f3a0a91b20cc67868660imagePullPolicy: IfNotPresentname: createsecurityContext:allowPrivilegeEscalation: falsenodeSelector:kubernetes.io/os: linuxrestartPolicy: OnFailuresecurityContext:fsGroup: 2000runAsNonRoot: truerunAsUser: 2000serviceAccountName: ingress-nginx-admission
---
apiVersion: batch/v1
kind: Job
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission-patchnamespace: ingress-nginx-v2
spec:template:metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission-patchspec:containers:- args:- patch- --webhook-name=ingress-nginx-admission- --namespace=$(POD_NAMESPACE)- --patch-mutating=false- --secret-name=ingress-nginx-admission- --patch-failure-policy=Failenv:- name: POD_NAMESPACEvalueFrom:fieldRef:fieldPath: metadata.namespaceimage: k8s.gcr.io/ingress-nginx/kube-webhook-certgen:v1.1.1@sha256:64d8c73dca984af206adf9d6d7e46aa550362b1d7a01f3a0a91b20cc67868660imagePullPolicy: IfNotPresentname: patchsecurityContext:allowPrivilegeEscalation: falsenodeSelector:kubernetes.io/os: linuxrestartPolicy: OnFailuresecurityContext:fsGroup: 2000runAsNonRoot: truerunAsUser: 2000serviceAccountName: ingress-nginx-admission
---
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:labels:app.kubernetes.io/component: controllerapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-v2
spec:controller: k8s.io/ingress-nginx-v2
---
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:labels:app.kubernetes.io/component: admission-webhookapp.kubernetes.io/instance: ingress-nginxapp.kubernetes.io/name: ingress-nginxapp.kubernetes.io/part-of: ingress-nginxapp.kubernetes.io/version: 1.1.3name: ingress-nginx-admission
webhooks:
- admissionReviewVersions:- v1clientConfig:service:name: ingress-nginx-controller-admissionnamespace: ingress-nginx-v2path: /networking/v1/ingressesfailurePolicy: FailmatchPolicy: Equivalentname: validate.nginx.ingress.kubernetes.iorules:- apiGroups:- networking.k8s.ioapiVersions:- v1operations:- CREATE- UPDATEresources:- ingressessideEffects: None
3.2.2 执行apply命令

在这里插入图片描述查看LB
在这里插入图片描述

4. 测试

4.1 部署nginx服务

cat http-dep-v2.yaml

apiVersion: apps/v1
kind: Deployment
metadata:creationTimestamp: nulllabels:app: httpdname: httpd-v2
spec:replicas: 1selector:matchLabels:app: httpd-v2strategy: {}template:metadata:creationTimestamp: nulllabels:app: httpd-v2spec:containers:- image: nginx:latestname: httpd-v2resources: {}
status: {}

cat http-svc-v2.yaml

apiVersion: v1
kind: Service
metadata:creationTimestamp: nulllabels:app: httpd-v2name: httpd-v2
spec:ports:- port: 8000protocol: TCPtargetPort: 80selector:app: httpd-v2type: ClusterIP
status:loadBalancer: {}

4.2 ingress-nginx-v1验证

cat http-ingress-v2.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:name: httpd-v1namespace: default
spec:ingressClassName: ingress-nginx-v1rules:- host: test-v1.umissu.icuhttp:paths:- backend:service:name: httpd-v2port:number: 8000path: /pathType: Prefix

查看服务的ingress
在这里插入图片描述
阿里云dns解析
在这里插入图片描述
浏览器验证
在这里插入图片描述

4.3 ingress-nginx-v2验证

这里为了区分，我们在nginx中写入一个index.html文件,同时删除nginx服务的ingress
在这里插入图片描述
在这里插入图片描述
修改http-ingress-v2.yaml文件

  • 将metadata下的name: httpd-v1修改为name: httpd-v2
  • 将ingressClassName: ingress-nginx-v1修改为ingressClassName: ingress-nginx-v2

cat http-ingress-v2.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:name: httpd-v2namespace: default
spec:ingressClassName: ingress-nginx-v2rules:- host: test-v2.umissu.icuhttp:paths:- backend:service:name: httpd-v2port:number: 8000path: /pathType: Prefix

查看ingress
在这里插入图片描述
阿里云dns解析
在这里插入图片描述
浏览器验证
在这里插入图片描述


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