我有一个在裸机上使用 kubernetes 的 centos7 部署。一切都很好。但是,我想得到一份Ingress
工作。所以简而言之,我想做的是从 Ingress 中终止 SSL,并在 ingress 和我的服务之间使用普通的 http。这就是我所做的:
2)我有一个入口控制器设置为:
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
name: nginx-ingress-controller
namespace: ingress-nginx
labels:
k8s-app: nginx-ingress-lb
kubernetes.io/cluster-service: "true"
spec:
template:
metadata:
labels:
k8s-app: nginx-ingress-lb
name: nginx-ingress-lb
spec:
hostNetwork: true
terminationGracePeriodSeconds: 60
serviceAccountName: nginx-ingress-serviceaccount
nodeSelector:
role: edge-router
containers:
- image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.12.0
name: nginx-ingress-lb
imagePullPolicy: Always
readinessProbe:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
livenessProbe:
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 10
timeoutSeconds: 1
# use downward API
env:
- name: POD_NAME
valueFrom:
fieldRef:
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
fieldPath: metadata.namespace
ports:
- containerPort: 80
hostPort: 80
- containerPort: 443
hostPort: 443
args:
- /nginx-ingress-controller
- --default-backend-service=$(POD_NAMESPACE)/default-http-backend
- --enable-ssl-passthrough
# - --default-ssl-certificate=$(POD_NAMESPACE)/tls-certificate
volumeMounts:
- name: tls-dhparam-vol
mountPath: /etc/nginx-ssl/dhparam
volumes:
- name: tls-dhparam-vol
secret:
secretName: tls-dhparam
注意 DaemonSet 和 nodeSelector。还有hostNetwork = true
这样我的 kubernetes 节点将打开 80 和 443 来监听路由)。
所以我尝试访问http://foo.bar.com,不出所料,什么也没有。我只是得到default backend - 404
页面。我需要入口规则....
3)所以我创建了这样的Ingress
规则:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: hub
annotations:
kubernetes.io/ingress.class: "nginx"
ingress.kubernetes.io/ssl-redirect: "true"
nginx.ingress.kubernetes.io/rewrite-target: /
nginx.org/ssl-services: "hub"
spec:
tls:
- hosts:
- foo.bar.com
secretName: tls-dhparam
rules:
- host: foo.bar.com
http:
paths:
- path: /
backend:
serviceName: hub
servicePort: 8000
所以它很好用!...对于 http...当我在http://foo.bar.com访问我的节点时,我可以访问我的服务(集线器)并可以登录。但是,由于必须登录,因此只有强制执行 https 才有意义......
所以我的问题是,当我将浏览器切换到https://foo.bar.com时,我最终得到了一个default backend - 404
页面。
查看上面提供的证书,我发现它是由 kubernetes 创建的:
Kubernetes Ingress Controller Fake Certificate
Self-signed root certificate
检查我的秘密:
$ kubectl -n ingress-nginx get secrets
NAME TYPE DATA AGE
default-token-kkd2j kubernetes.io/service-account-token 3 12m
nginx-ingress-serviceaccount-token-7f2sq kubernetes.io/service-account-token 3 12m
tls-dhparam Opaque 1 8m
我究竟做错了什么?