kubernetes - Cert-Manager 未颁发任何证书 Google Cloud Kubernetes
问题描述
我正在努力让 cert-manager 从 let's encrypt 颁发证书,我可以在 Google Cloud Kubernetes 中使用我的入口。
我有一个在默认命名空间中运行部署、服务和入口的集群。我还在 namecheap 注册了一个域,并从我的入口向 IP 地址添加了一条 A 记录。现在我可以使用http访问该网站,一切都很好。现在我想转移到 https 并且事情不起作用。
我已经安装了证书管理器:
kubectl create namespace cert-manager
kubectl apply --validate=false -f https://github.com/jetstack/cert-manager/releases/download/v0.13.1/cert-manager.yaml
我验证了 cert-manager 正在运行:
kubectl get pods --namespace cert-manager
NAME READY STATUS RESTARTS AGE
cert-manager-5655447474-kw9k7 1/1 Running 0 99m
cert-manager-cainjector-59c9dfd4f7-fjzbf 1/1 Running 0 99m
cert-manager-webhook-865b8fb666-7kmx2 1/1 Running 0 99m
现在我kubectl apply -f letsencrypt-prod.yaml
在默认命名空间中创建了一个 ClusterIssuer:
apiVersion: certmanager.k8s.io/v1alpha1
kind: ClusterIssuer
metadata:
name: letsencrypt-prod
spec:
acme:
server: https://acme-v02.api.letsencrypt.org/directory
email: 'my@email.com'
privateKeySecretRef:
name: letsencrypt-prod
http01: {}
并添加了一个证书kubectl apply -f certificate.yaml
:
apiVersion: certmanager.k8s.io/v1alpha1
kind: Certificate
metadata:
name: my-certs
spec:
secretName: my-certs
issuerRef:
name: letsencrypt-prod
kind: ClusterIssuer
commonName: "www.mydomain.de"
dnsNames:
- "www.mydomain.de"
acme:
config:
- dns01:
provider: cloud-dns
domains:
- "www.mydomain.de"
这是我的入口:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: my-ingress
annotations:
kubernetes.io/ingress.global-static-ip-name: "my-ip"
spec:
rules:
- host: www.mydomain.de
http:
paths:
- backend:
serviceName: my-service
servicePort: 80
tls:
- hosts:
- www.mydomain.de
secretName: my-certs
现在当我运行时kubectl describe certificate my-certs
没有事件:
kubectl describe certificate my-certs
Name: my-certs
Namespace: default
Labels: <none>
Annotations: kubectl.kubernetes.io/last-applied-configuration:
{"apiVersion":"certmanager.k8s.io/v1alpha1","kind":"Certificate","metadata":{"annotations":{},"name":"my-certs","namespace":"default"},"sp...
API Version: certmanager.k8s.io/v1alpha1
Kind: Certificate
Metadata:
Creation Timestamp: 2020-02-23T13:30:15Z
Generation: 1
Resource Version: 787204
Self Link: /apis/certmanager.k8s.io/v1alpha1/namespaces/default/certificates/my-certs
UID: a027a698-5640-11ea-bce8-42010a9c00dc
Spec:
Acme:
Config:
Dns 01:
Provider: cloud-dns
Domains:
www.mydomain.de
Common Name: www.mydomain.de
Dns Names:
www.mydomain.de
Issuer Ref:
Kind: ClusterIssuer
Name: letsencrypt-prod
Secret Name: my-certs
Events: <none>
在 Google Cloud Console 中,我看到消息“找不到 TLS 证书。继续设置负载平衡器以提供 HTTP”用于入口。
这里有什么问题或我错过了什么?
解决方案
您可以将以下注释添加到入口资源,而不是手动创建证书资源:
cert-manager.io/issuer: "letsencrypt-prod"
Cert-manager 将读取注释并使用它们来创建证书。
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: my-ingress
annotations:
kubernetes.io/ingress.global-static-ip-name: "my-ip"
cert-manager.io/cluster-issuer: "letsencrypt-prod"
spec:
rules:
- host: www.mydomain.de
http:
paths:
- backend:
serviceName: my-service
servicePort: 80
tls:
- hosts:
- www.mydomain.de
secretName: my-certs
在此之后检查是否创建了名为 my-certs 的密钥和证书。
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