本文将为您介绍基于金山云容器服务搭建 Nginx-ingress 服务的操作指南。
Nginx-ingress controller部署
使用Nginx-ingress服务的前提是在集群内部署nginx-ingress controller，controller部署的nginx-ingress-install.yaml如下：
apiVersion: v1
kind: ServiceAccount
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: kube-system
---
apiVersion: v1
kind: ConfigMap
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: kube-system
data:
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
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
- update
- 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
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
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: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: kube-system
rules:
- apiGroups:
- ''
resources:
- namespaces
verbs:
- get
- apiGroups:
- ''
resources:
- configmaps
- pods
- secrets
- endpoints
verbs:
- get
- list
- watch
- apiGroups:
- ''
resources:
- services
verbs:
- get
- list
- update
- 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:
- endpoints
verbs:
- create
- get
- update
- apiGroups:
- ''
resources:
- events
verbs:
- create
- patch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx
namespace: kube-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: ingress-nginx
subjects:
- kind: ServiceAccount
name: ingress-nginx
namespace: kube-system
---
apiVersion: v1
kind: Service
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller-admission
namespace: kube-system
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
---
apiVersion: v1
kind: Service
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: kube-system
spec:
type: LoadBalancer
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
---
apiVersion: apps/v1
kind: Deployment
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: controller
name: ingress-nginx-controller
namespace: kube-system
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: hub.kce.ksyun.com/yangxiaohua/ingress-nginx:v0.41.2
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:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
timeoutSeconds: 1
successThreshold: 1
failureThreshold: 5
readinessProbe:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
periodSeconds: 10
timeoutSeconds: 1
successThreshold: 1
failureThreshold: 3
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
---
apiVersion: admissionregistration.k8s.io/v1
kind: ValidatingWebhookConfiguration
metadata:
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
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: kube-system
name: ingress-nginx-controller-admission
path: /networking/v1beta1/ingresses
---
apiVersion: v1
kind: ServiceAccount
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-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
namespace: kube-system
---
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-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
rules:
- apiGroups:
- admissionregistration.k8s.io
resources:
- validatingwebhookconfigurations
verbs:
- get
- update
---
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-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
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: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
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-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
namespace: kube-system
rules:
- apiGroups:
- ''
resources:
- secrets
verbs:
- get
- create
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
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-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
namespace: kube-system
roleRef:
apiGroup: rbac.authorization.k8s.io
kind: Role
name: ingress-nginx-admission
subjects:
- kind: ServiceAccount
name: ingress-nginx-admission
namespace: kube-system
---
apiVersion: batch/v1
kind: Job
metadata:
name: ingress-nginx-admission-create
annotations:
helm.sh/hook: pre-install,pre-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
namespace: kube-system
spec:
template:
metadata:
name: ingress-nginx-admission-create
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
containers:
- name: create
image: hub.kce.ksyun.com/yangxiaohua/kube-webhook-certgen:v1.5.0
imagePullPolicy: IfNotPresent
args:
- create
- --host=ingress-nginx-controller-admission,ingress-nginx-controller-admission.$(POD_NAMESPACE).svc
- --namespace=$(POD_NAMESPACE)
- --secret-name=ingress-nginx-admission
env:
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
restartPolicy: OnFailure
serviceAccountName: ingress-nginx-admission
securityContext:
runAsNonRoot: true
runAsUser: 2000
---
apiVersion: batch/v1
kind: Job
metadata:
name: ingress-nginx-admission-patch
annotations:
helm.sh/hook: post-install,post-upgrade
helm.sh/hook-delete-policy: before-hook-creation,hook-succeeded
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
namespace: kube-system
spec:
template:
metadata:
name: ingress-nginx-admission-patch
labels:
helm.sh/chart: ingress-nginx-3.10.1
app.kubernetes.io/name: ingress-nginx
app.kubernetes.io/instance: ingress-nginx
app.kubernetes.io/version: 0.41.2
app.kubernetes.io/managed-by: Helm
app.kubernetes.io/component: admission-webhook
spec:
containers:
- name: patch
image: hub.kce.ksyun.com/yangxiaohua/kube-webhook-certgen:v1.5.0
imagePullPolicy: IfNotPresent
args:
- patch
- --webhook-name=ingress-nginx-admission
- --namespace=$(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
执行以下命令安装部署nginx-ingress controller 0.41.2版本：
[[email protected] ~]# kubectl apply -f nginx-ingress-install.yaml
#将会在集群中创建如下资源
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
获取ingress-nginx-controller服务的IP地址。
注：本示例中为ingress-nginx-controller创建LoadBalancer类型service，如需定义LoadBalancer有关更多配置，可参考注释列表。
[[email protected] ~]# kubectl get svc -n kube-system | grep ingress-nginx-controller
ingress-nginx-controller LoadBalancer 10.254.39.165 120.92.xx.xx 80:31004/TCP,443:30182/TCP 26m
ingress-nginx-controller-admission ClusterIP 10.254.219.22 <none> 443/TCP 26m
通过EXTERNAL-IP（120.92.xx.xx），外部流量将访问到集群中的ingress-nginx-controller，进而实现Ingress规则中的路由转发。
创建测试应用
以下创建两个应用，用于测试。
hello-world.yaml如下：
apiVersion: apps/v1
kind: Deployment
metadata:
name: hello-world
spec:
replicas: 1
selector:
matchLabels:
app: hello-world
template:
metadata:
labels:
app: hello-world
spec:
containers:
- name: hello-world
image: hub.kce.ksyun.com/kingsoft/hello-world:latest
---
apiVersion: v1
kind: Service
metadata:
labels:
app: hello-world
name: hello-world-svc
spec:
ports:
- port: 80
protocol: TCP
targetPort: 80
selector:
app: hello-world
type: ClusterIP
hello-k8s.yaml如下：
apiVersion: apps/v1
kind: Deployment
metadata:
name: hello-k8s
spec:
replicas: 1
selector:
matchLabels:
app: hello-k8s
template:
metadata:
labels:
app: hello-k8s
spec:
containers:
- name: hello-k8s
image: hub.kce.ksyun.com/kingsoft/hello-k8s:latest
---
apiVersion: v1
kind: Service
metadata:
labels:
app: hello-k8s
name: hello-k8s-svc
spec:
ports:
- port: 8080
protocol: TCP
targetPort: 8080
selector:
app: hello-k8s
type: ClusterIP
创建对应的deploy和service：
[[email protected] hello]# kubectl create -f hello-k8s.yaml
deployment.extensions/hello-k8s created
service/hello-k8s-svc created
[[email protected] hello]# kubectl create -f hello-world.yaml
deployment.extensions/hello-world created
service/hello-world-svc created
[[email protected] hello]# kubectl get deploy
NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE
hello-k8s 1 1 1 1 5m2s
hello-world 1 1 1 1 4m50s
[[email protected] hello]# kubectl get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
hello-k8s-svc ClusterIP 10.254.131.29 <none> 8080/TCP 5m31s
hello-world-svc ClusterIP 10.254.244.96 <none> 80/TCP 5m19s
kubernetes ClusterIP 10.254.0.1 <none> 443/TCP 52d
Ingress配置策略
为了支持灵活的分发策略，ingress策略可以按照多种分发方式进行配置，下面对几种常见的ingress转发策略简单介绍。
同一域名下，不同的URL的路径转发到不同服务上
这种配置常用于一个网站通过不同的路径提供不同服务的场景。
通过如下的访问配置：
- 对 http://my.nginx.test/hello-k8s 的访问将被路由到后端名为"hello-k8s-svc" 的Service。
- 对 http://my.nginx.test/hello-world 的访问将被路由到后端名为"hello-world-svc" 的Service。
ingress.yaml如下：
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: nginx-test
annotations:
kubernetes.io/ingress.class: nginx
spec:
rules:
- host: my.nginx.test
http:
paths:
- path: /hello-world
backend:
serviceName: hello-world-svc
servicePort: 80
- path: /hello-k8s
backend:
serviceName: hello-k8s-svc
servicePort: 8080
创建ingress规则：
[[email protected] ~]# kubectl apply -f ingress.yaml
ingress.extensions/nginx-test created
[[email protected] ~]# kubectl get ingress
NAME HOSTS ADDRESS PORTS AGE
nginx-test my.nginx.test 80 15s
备注：
- 这里我们将自有域名my.nginx.test解析到负载均衡的IP。
- Ingress规则与nginx-ingress-controller的对应关系通过注解kubernetes.io/ingress.class: nginx来指定，表示此条ingress规则由nginx-ingress-controller处理。
在浏览器的访问验证如下：
不同的域名转发到不同的服务
这种配置常用于一个网站通过不同的域名或者虚拟主机名提供不同的服务的场景。
通过如下的访问配置：
- 对 http://nginx.hello.k8s 的访问将被路由到后端名为"hello-k8s-svc" 的Service。
- 对 http://nginx.hello.world 的访问将被路由到后端名为"hello-world-svc" 的Service。
ingress2.yaml如下：
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: nginx-test-2
annotations:
kubernetes.io/ingress.class: nginx
spec:
rules:
- host: nginx.hello.k8s
http:
paths:
- path: /
backend:
serviceName: hello-k8s-svc
servicePort: 8080
- host: nginx.hello.world
http:
paths:
- path: /
backend:
serviceName: hello-world-svc
servicePort: 80
创建Ingress规则：
[[email protected] ~]# kubectl apply -f ingress2.yaml
ingress.extensions/nginx-test-2 created
[[email protected] ~]# kubectl get ingress
NAME HOSTS ADDRESS PORTS AGE
nginx-test-2 nginx.hello.k8s,nginx.hello.world 80 19s
在浏览器的访问验证如下：
HTTPS访问
当Ingress配置TLS时，服务将以HTTPS协议的方式对外暴露。
准备证书
这里我们作为测试用例使用自签名证书，使用如下命令快速创建。
[[email protected] ~]# openssl req -newkey rsa:2048 -nodes -keyout tls.key -x509 -days 365 -out tls.crt
Generating a 2048 bit RSA private key
...............+++
.............................+++
writing new private key to 'tls.key'
-----
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [XX]:CN
State or Province Name (full name) []:Beijing
Locality Name (eg, city) [Default City]:Beijing
Organization Name (eg, company) [Default Company Ltd]:Kingsoft
Organizational Unit Name (eg, section) []:Ksyun
Common Name (eg, your name or your server's hostname) []:nginx.hello.k8s #配置需使用证书的域名
Email Address []:[email protected]
将会在当前路径下创建证书(tls.crt)和私钥文件(tls.key)。
创建Secret资源
根据现有证书和私钥创建Secret资源，将会创建一个类型为kubernetes.io/tls的Secret。
[[email protected] ~]# kubectl create secret tls secret-https --key tls.key --cert tls.crt
secret/secret-https created
创建Ingress规则
对上述示例中的http访问方式进行升级，实现对nginx.hello.k8s的https访问。ingress-https.yaml如下：
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: nginx-test-2
annotations:
kubernetes.io/ingress.class: nginx
nginx.ingress.kubernetes.io/ssl-redirect: "true" #开启重定向功能
spec:
rules:
- host: nginx.hello.k8s
http:
paths:
- path: /
backend:
serviceName: hello-k8s-svc
servicePort: 8080
tls:
- hosts:
- nginx.hello.k8s
secretName: secret-https
在浏览器的访问验证如下：
更多Nginx ingress controller的特性，请参考NGINX Ingress Controller。
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